TWI388903B - Backlight module and application thereof - Google Patents

Description

Backlight module and its application

The present invention relates to a backlight module, and more particularly to a backlight module having a light source module composed of a plurality of light emitting units and its application on a liquid crystal display.

Please refer to FIG. 1 , which is a schematic cross-sectional view of a conventional LED backlight module. When assembling the conventional backlight module 100, a light-emitting diode protection cover 104 is first provided. The cross-sectional structure of the light-emitting diode protection cover 104 is U-shaped, and the light-emitting diode protection cover 104 is sequentially joined. The first portion 118, the second portion 120 and the third portion 122 are formed, and the first portion 118, the second portion 120 and the third portion 122 enclose a groove. Further, an LED light bar 110 is provided, wherein the LED strip 110 mainly includes a carrier 108 and a plurality of LEDs 106, and the LEDs 106 are disposed on one of the carriers 108. On the surface. Circuits are typically pre-positioned on the carrier 108, and the LEDs 106 are electrically coupled to the circuitry of the carrier 108. Next, the light-emitting diode strip 110 is placed in the recess of the LED protective cover 104, and the surface of the carrier 108 relative to the surface of the LED 106 is attached to the LED cover 104. The third part 122. The light guide plate 112 is disposed in the recess opening of the LED cover 104, and the light guide plate 112 is interposed between the opposite first portion 118 and the third portion 122 of the LED cover 104. The side surface 124 of the light guide plate 112 faces the light exit surface 126 of the light emitting diode 106.

Next, a backing plate 102 is provided. Generally, the backlight module 100 further has a reflective sheet 114 disposed on the bottom surface of the light guide plate 112 to improve the light source utilization ratio of the backlight module 100. The light-emitting diode protection cover 104 is placed on the back plate 102. In the backlight module 100, the stacked structure of the light guide plate 112 and the reflective sheet 114 is sandwiched by the first portion 118 of the light-emitting diode protective cover 104 and the carrier 108 of the light-emitting diode strip 110. In addition, in order to improve the optical quality of the backlight module 100, the backlight module 100 generally has a plurality of optical films 116 stacked on the light guide plate 112.

When the backlight module 100 is assembled, in order to position the LED strip 110, the side of the carrier 108 of the LED strip 110 must be close to the LED housing 104. Two parts 120. However, since the side of the carrier 108 close to the LED cover 104 is inside the recess of the LED cover 104, it is practically difficult to perform the second of the carrier 108 and the LED cover 104. The abutment procedure of the portion 120 also makes it difficult to confirm whether the carrier 108 has been properly attached to the surface of the second portion 120 of the deep portion of the recess of the LED housing 104.

Please refer to FIG. 2 , which is a cross-sectional view showing another conventional light-emitting diode backlight module. When the backlight module 200 is assembled, the back plate 202 and the light-emitting diode protection cover 204 are provided first, and then the light-emitting diode protection cover 204 is disposed on the back plate 202. Similarly, the light-emitting diode cover 204 has a U-shaped cross section and has a groove. The LED cover 204 is composed of a first portion 220, a second portion 222 and a third portion 224 which are sequentially joined. . Next, a light-emitting diode strip 210 is provided, wherein the light-emitting diode strip 210 is mainly composed of a carrier 208 on which a circuit is pre-positioned and a plurality of light-emitting diodes The polar bodies 206 are formed, and the light emitting diodes 206 are disposed on one surface of the carrier 208 and electrically connected to the carrier 208.

Next, the adhesive layer 218 is disposed on the surface of the carrier 208 opposite to the LED 206, and then the LED strip 210 is placed in the recess of the LED cover 204, and the adhesive layer 218 is utilized. The surface of the carrier 208 relative to the LED 206 is closely adhered to the second portion 222 of the LED cover 204, so that the LED strip 210 is fixed to the LED cover 204. The surface of the second portion 222 inside the groove. Next, the light guide plate 212 is disposed in the recess opening of the light-emitting diode protection cover 204, and the light guide plate 212 is disposed between the first portion 220 and the third portion 224 opposite to the light-emitting diode protection cover 204. The side surface 226 of the light guide plate 212 faces the light exit surface 228 of the light emitting diode 206. The backlight module 200 further includes a reflective sheet 214 disposed on the bottom surface of the light guide plate 212 to improve the light source utilization ratio of the backlight module 200. The reflective sheet 214 is sandwiched between the light guide plate 212 and the third portion of the light-emitting diode protection cover 204. Between 224. In addition, the backlight module 200 usually has a plurality of optical films 216 stacked on the light guide plate 212 to improve the optical quality of the backlight module 200.

Please refer to FIG. 3 , which is a cross-sectional view showing another conventional backlight module of a light-emitting diode. When the backlight module 300 is assembled, the back plate 302 and the light-emitting diode protection cover 304 are also provided first, and then the light-emitting diode protection cover 304 is disposed on the back plate 302. Similarly, the light-emitting diode cover 304 has a U-shaped cross-sectional structure and has a groove. The LED cover 304 is composed of a first portion 320, a second portion 322 and a third portion 324 which are sequentially joined. . In the backlight module 300, the first of the light-emitting diode protection cover 304 The portion 320 and/or the third portion 324 is provided with a fixing member 318 such as a hook or a spring, wherein the fixing member 318 is adjacent to the second portion 322. Next, a light-emitting diode strip 310 is provided, wherein the light-emitting diode strip 310 includes a carrier 308 on which a circuit is pre-configured, and a plurality of light-emitting diodes 306. The light-emitting diodes 306 are disposed on the light-emitting diodes 306. One of the plates 308 is electrically connected to the surface of the carrier 308.

Next, the light-emitting diode strip 310 is placed in the recess of the light-emitting diode cover 304, and the opposite side of the carrier 308 is clamped by the fixing members 318 disposed on the first portion 320 and the third portion 324. The side of the carrier 308 is closely adhered to the second portion 322 of the LED cover 306, and the LED strip 310 is fixed to the LED. The surface of the second portion 322 inside the recess of the protective cover 304. Subsequently, the light guide plate 312 is disposed in the recess opening of the light-emitting diode protection cover 304, and the light guide plate 312 is interposed between the first portion 320 and the third portion 324 of the light-emitting diode protection cover 304, thereby The side 326 of the light guide plate 312 faces the light exit surface 328 of the light emitting diode 306. In general, the backlight module 300 further has a reflective sheet 314 interposed between the bottom surface of the light guide plate 312 and the third portion 324 of the light-emitting diode cover 304 to improve the light source utilization ratio of the backlight module 300. In addition, the backlight module 300 generally has a plurality of optical films 316 stacked on the light guide plate 312 to enhance the optical performance of the backlight module 300.

When the backlight modules 200 and 300 are assembled, the bottom surface of the carrier 208 of the LED strip 210 and the carrier 308 of the LED strip 310 need to be in close proximity to the LED housing 204. Two parts 222 with light emitting diode The inner side of the second portion 322 of the body shield 304. Since the carrier plates 208 and 308 are generally rectangular structures having flexibility and a high aspect ratio, it is often difficult to completely attach the bottom surfaces of the carrier plates 208 and 308 to the inner sides of the respective second portions 222 and 322 during assembly. As a result, the carrier plates 208 and 308 are deformed, and the carrier plates 208 and 308 are not parallel to the side 226 of the light guide plate 212 and the side 326 of the light guide plate 312, respectively, thereby affecting the uniform illumination of the backlight modules 200 and 300. degree. In addition, when the light-emitting diode strips 210 and 310 need to be taken out due to heavy work or other factors, the carrier plates 208 and 308 are also highly likely to be deflected.

Moreover, in the backlight modules 200 and 300, the width 230 of the carrier 208 and the width 330 of the carrier 308 are respectively determined by the thickness 232 of the light guide plate 212 and the thickness 332 of the light guide plate 312. Therefore, under the trend of thinning of the light guide plates 212 and 312, the width 230 of the carrier 208 and the width 330 of the carrier 308 also need to be reduced, which will result in the carrier plates 208 and 308 being insufficient as the area of the circuit wiring, and forcing the load. The plates 208 and 308 require a high-priced two-layer substrate or a multi-layer substrate to accommodate the required wiring, resulting in a substantial increase in product cost.

In addition, in the backlight modules 100, 200, and 300, the light-emitting diode strips 110, 210, and 310 are respectively inserted into the recesses of the light-emitting diode protection cover 104, so that the light-emitting diodes are respectively The assembly and rework of the body light strips 110, 210 and 310 are relatively difficult, and it takes a lot of man-hours and manpower.

Therefore, the object of the present invention is to provide a backlight module and its liquid The application on the crystal display uses a plurality of frames to fix the light source module, so that the problem that the assembly of the light source module is not easy and the heavy work is difficult is solved.

Another object of the present invention is to provide a backlight module and an application thereof on a liquid crystal display. The width of the carrier of the light source module is not limited to the thickness of the light guide plate. Therefore, under the trend of thinning the light guide plate, the light source module The carrier board can still maintain a sufficient circuit layout area, and does not require an expensive double-layer circuit substrate or a multi-layer circuit substrate, thereby reducing product cost.

Another object of the present invention is to provide a backlight module and an application thereof on a liquid crystal display, which can directly replace the back frame and the light source module from the back side of the backlight module, which is very convenient.

According to the above object of the present invention, a backlight module includes: a light guide plate having a light incident surface, the light entrance mask having a central area; and a light source module comprising: a carrier board having a plane, and An upper end and a lower end, the distance between the upper end and the lower end is a width of the carrier; and an illumination unit is disposed on the plane of the carrier, and the distance between the illumination unit and the upper end and the lower end is not equal; wherein the illumination unit further has a In the illuminating center, the illuminating center emits light in a light-emitting direction to the central area, and the light-emitting direction is substantially perpendicular to the plane of the carrier.

According to another aspect of the present invention, a backlight module includes: a light guide plate having a light incident surface, the light entrance mask having a central area, and the light entrance mask having an upper side and a lower side, and the upper side and the lower side The distance between the two is a width of the light incident surface; and a light source module comprises: a carrier plate having a plane, and an upper end and a lower end, wherein the distance between the upper end and the lower end is a width of the carrier board, wherein The width of the carrier is greater than the width of the light-incident surface; and a light-emitting unit is disposed on the plane of the carrier; wherein the light-emitting unit has a light-emitting center, and is illuminated The heart emits light in a direction of light exiting to the central area, and the light exiting direction is substantially perpendicular to the plane of the carrier.

According to the purpose of the present invention, a liquid crystal display further includes at least one liquid crystal panel and a backlight module disposed on the back surface of the liquid crystal panel. The backlight module includes at least: a light guide plate having a light incident surface, the light entrance mask having a central area; and a light source module comprising: a carrier board having a plane, an upper end and a lower end, and an upper end The distance between the lower ends is the width of one of the carrier plates; and the light-emitting unit is disposed on the plane of the carrier plate, and the distance between the light-emitting unit and the upper end and the lower end is not equal; wherein the light-emitting unit has a light-emitting center, and the light-emitting center is along a light-emitting center The direction exits the light to the central area, and the light exiting direction is substantially perpendicular to the plane of the carrier.

According to the purpose of the present invention, a liquid crystal display is provided, which includes at least one liquid crystal panel and a backlight module disposed on the back surface of the liquid crystal panel. The backlight module includes at least: a light guide plate has a light incident surface, the light entrance mask has a central area, and the light entrance mask has an upper side and a lower side, and the distance between the upper side and the lower side is a light entrance surface. a width module; and a light source module comprising: a carrier plate having a plane, and an upper end and a lower end, wherein the distance between the upper end and the lower end is a width of the carrier board, wherein the width of the carrier board is greater than the entrance surface The width of the light-emitting unit is disposed on the plane of the carrier; wherein the light-emitting unit further has a light-emitting center, and the light-emitting center emits light in a light-emitting direction to the central area, and the light-emitting direction is substantially perpendicular to the plane of the carrier.

The invention discloses a backlight module and an application thereof. In order to make the invention For more detailed and complete description, refer to the following description and cooperate with the drawings of Figures 4 to 12.

Please refer to FIG. 4, which is a cross-sectional view of a liquid crystal display according to a first preferred embodiment of the present invention. In an exemplary embodiment, the liquid crystal display 400a includes at least a liquid crystal panel 402 and a backlight module 404a. The backlight module 404a is disposed on the back of the liquid crystal panel 402 relative to the user to provide a backlight source of the liquid crystal panel 402. The backlight module 404a mainly includes a light source module 416 and a light guide plate 428. In some embodiments, the backlight module 404a may further include frame elements 410a and 422a. The light source module 416 mainly includes a carrier 412 and one or more light emitting units 414, wherein the carrier 412 has opposite planes 480 and 482, and the light emitting units 414 are disposed on the plane 480 of the carrier 412, each of the light emitting units 414. Each has a light exiting surface 450, and the light emitting unit 414 has a light emitting center 556. In one embodiment, the carrier 412 has two ends 550 and 552 respectively on opposite sides of the plane 480, wherein the distance between the light emitting unit 414 and the two ends 550 and 552 of the carrier 412 is not equal. The carrier 412 has a width 444 which is the distance between the two ends 550 and 552 of the carrier 412. The carrier 412 has been pre-arranged according to product requirements, and the carrier 412 can be, for example, a fiberglass cloth substrate impregnated with a flame-resistant epoxy resin copper foil substrate (FR4), an aluminum composite panel (MCPCB), and a flexible printed circuit board ( FPC), or composite copper foil substrate (CEM-1). The light emitting unit 414 is electrically connected to the carrier 412 through a preset circuit in the carrier 412. The light source module 416 is disposed in a space surrounded by the frame members 410a and 422a and the light guide plate 428, and the carrier plate 412 of the light source module 416 is interposed between the frame member 410a and the frame member 422a. In an embodiment, the light source module 416 can be a light emitting diode strip. Thus, the light emitting unit 414 is a light emitting diode.

The cross-sectional structures of the frame members 410a and 422a are each substantially L-shaped, wherein the frame member 410a includes a first portion 406a and a second portion 408a that are interconnected, and the frame member 422a includes a first portion 418a and a second portion 420a that are interconnected. In an embodiment, the frame member 410a can be a metal frame and the frame member 422a can be a light source shield. The light source module 416 is disposed on the frame member 410a, and the plane 482 of the carrier plate 412 is attached to the inner side surface of the first portion 406a of the frame member 410a. End 552 of carrier 412 is contiguous with second portion 408a of frame member 410a, and end 550 of carrier 412 is opposite second portion 408a of frame member 410a. The light guide plate 428 is disposed on the second portion 408a of the frame member 410a. The light guide plate 428 has a light incident surface 448. The light guide plate 428 is disposed adjacent to one side of the light source module 416, and the light emitting surface 450 of the light emitting unit 414 and the light guide plate are disposed. The light surface 448 of 428 is oppositely arranged. The light incident surface 448 of the light guide plate 428 has a central area 554, wherein the light incident surface 448 of the light guide plate 428 has a width 562, which is the distance between the upper and lower sides of the light incident surface 448, and the carrier The width 444 of the 412 is preferably greater than the width 562 of the light incident surface 448 of the light guide plate 428. In one embodiment, the central region 554 of the light guide plate 428 has a width 560, and the width 560 of the central region 554 of the light guide plate 428 is preferably less than or equal to 1 mm. The illumination center 556 of the illumination unit 414 emits light in a light exit direction 558 to a central region 554 of the light guide plate 428, wherein the light exit direction 558 is substantially perpendicular to the plane 480 of the carrier 412. The frame member 422a cooperates with the frame member 410a to hold the light source module 416 and the light guide plate 428. The bottom surface of the second portion of the frame member 422a is disposed on the outer edge region of the upper surface of the light guide plate 428, and the frame member 422a The second portion 420a is also located above the light emitting unit 414. Thus, the light guide plate 428 is interposed between the second portion 420a of the frame member 422a and the second portion 408a of the frame member 410a. The plane 480 of the carrier plate 412 of the light source module 416 is attached to the outer side of the first portion 418a of the frame member 422a. Therefore, in the backlight module 404a, the carrier 412 of the light source module 416 is interposed between the first portion 406a of the frame member 410a and the first portion 418a of the frame member 422a.

In an embodiment, the backlight module 404a further includes buffer members 430 and 432, wherein the buffer member 430 is interposed between the first portion 418a of the frame member 422a and the plane 480 of the carrier 412, and the buffer member 432. It is then interposed between the plane 482 of the carrier 412 and the first portion 406a of the frame member 410a to provide stress or frictional cushioning between the frame members 422a and 410a and the carrier 412.

In some embodiments, the backlight module 404a further includes a reflective sheet 424, wherein the reflective sheet 424 is interposed between the light guide plate 428 and the second portion 408a of the frame member 410a. In still other embodiments, the backlight module 404a can further optionally include another reflective sheet 426, wherein the reflective sheet 426 is interposed between the second portion 420a of the frame member 422a and the light emitting unit 414. The light source utilization of the backlight module 404a can be improved by the arrangement of the reflective sheets 424 and/or 426.

In an embodiment, the backlight module 404a can be selectively provided with at least one optical film 440 according to product requirements to improve the optical quality of the backlight module 404a. In the exemplary embodiment, the backlight module 404a is provided with four optical films 440 stacked on the surface of the light guide plate 428, wherein the optical films are 440 is adjacent to the second portion 420a of the frame member 422a. In some embodiments, the liquid crystal display 400a further optionally includes two spacers 434 and 436 disposed on the second portion 420a of the frame member 422a, and the spacer 436 is further disposed within the first portion 418a of the frame member 422a. side. The spacer 434 is interposed between the liquid crystal panel 402 and the second portion 420a of the frame member 422a to support the liquid crystal panel 402 and separate the optical film 440 of the liquid crystal panel 402 and the backlight module 404a; and the spacer 436 Between the side of the liquid crystal panel 402 and the first portion 418a of the frame member 422a to fill the space between the liquid crystal panel 402 and the first portion 418a, the lateral movement of the liquid crystal panel 402 can be effectively restricted.

In an exemplary embodiment, the backlight module 404a further includes a resilient clip 452, wherein the cross-member of the elastic clip 452 is substantially U-shaped, and the elastic clip 452 clamps the first portion of the frame member 422a. 418a, carrier plate 412 of light source module 416, and first portion 406a of frame member 410a. Of course, when the backlight module 404a has the buffer members 430 and 432, it is respectively sandwiched between the first portion 418a of the frame member 422a and the plane 480 of the carrier 412, and the plane of the first portion 406a of the frame member 410a and the carrier 412. The cushioning members 430 and 432 between the 482 are also sandwiched by the elastic clips 452. The liquid crystal display 400a can be selectively provided with a front frame 438 for bonding and fixing the liquid crystal panel 402 and the backlight module 404a. The cross-sectional structure of the front frame 438 is substantially L-shaped, and one part of the front frame 438 is disposed. The periphery of the liquid crystal panel 402 is above the spacer 436, while the other portion is positioned on the outside of the frame member 410a.

In the liquid crystal display 400a, the width of the carrier 412 of the light source module 416 is wide. The width 444 of the carrier 412 is preferably smaller than the total thickness 446 of the combination of the liquid crystal display module composed of the liquid crystal panel 402 and the backlight module 404a. Therefore, the width 444 of the carrier 412 of the light source module 416 can be limited to the thickness 442 of the light guide plate 428, and can have sufficient circuit wiring area.

Please refer to FIG. 5, which is a cross-sectional view showing a liquid crystal display according to a second preferred embodiment of the present invention. In the exemplary embodiment, the structure of the liquid crystal display 400b is similar to that of the liquid crystal display 400a of the above embodiment, and the difference is that the frame member 410b of the backlight module 404b of the liquid crystal display 400b adopts a frame with the liquid crystal display 400a. Element 410a is a different material. In the liquid crystal display 400b, the backlight module 404b also has two frame members 410b and 422b, and the cross-sectional structures of the two frame members 410b and 422b are also L-shaped, wherein the frame member 410b is composed of interconnected first portions 406b and 408b. The frame member 422b is composed of interconnected first portions 418b and 420b. The frame member 422b is the same as the frame member 422a of the liquid crystal display 400a, and is a light source protection frame, and the frame member 410b is different from the frame member 410a of the liquid crystal display 400a, wherein the frame member 410b is a plastic frame instead of the frame member 410a of the metal frame. In order to greatly reduce the weight of the liquid crystal display 400b. Therefore, in the liquid crystal display 400b, the frame member 410b is a plastic frame, and the frame member 422b is a light source protection frame.

Please refer to FIG. 6 , which is a cross-sectional view showing a liquid crystal display according to a third preferred embodiment of the present invention. In the present exemplary embodiment, the structure of the liquid crystal display 400c is similar to that of the liquid crystal display 400a of the above embodiment. The difference between the liquid crystal displays 400c and 400a is that the liquid crystal display 400c replaces the frame member 422a of the liquid crystal display 400a and the combination of the spacers 434 and 436 with frame members 422c having different structural shapes. In the liquid crystal display 400c, the backlight module 404c also has two frame members 410c and 422c. Wherein, the cross-sectional structure of the frame member 410c is also substantially L-shaped and composed of the interconnected first portion 406c and the second portion 408c; and the cross-sectional structure of the frame member 422c includes the interconnected L-shaped structures 458 and 464, wherein The L-shaped structure 458 includes a first portion 454 and a second portion 456 that are interconnected, the L-shaped structure 464 includes a first portion 460 and a second portion 462 that are interconnected, and the second portion 456 and the L-shaped structure 464 of the L-shaped structure 458. The top end of the first portion 460 is connected, and the first portion 454 and the second portion 456 of the L-shaped structure 458 and the first portion 460 of the L-shaped structure 464 enclose an accommodation space 486. The carrier 412 of the light source module 416 is interposed in the accommodating space 486 with the first portion 406c of the frame member 410c. When the backlight module 404c is provided with the buffer members 430 and 432, the buffer member 430 interposed between the plane 480 of the carrier 412 and the first portion 460 of the L-shaped structure 464, and the plane 482 sandwiched between the carrier 412 and The cushioning member 432 between the first portions 406c of the frame member 410c is also sandwiched in the accommodating space 486. In one embodiment, the frame member 410c is the same as the frame member 410a of the liquid crystal display 400a, and is a metal frame, and the frame member 422c is a plastic frame, wherein the frame member 410c and the frame member 422c can be screwed or hooked. Combine.

In the liquid crystal display 400c, the L-shaped structure 464 of the frame member 422c is disposed at a position similar to the frame member 422a of the liquid crystal display 400a. The second portion 462 is disposed on the upper surface of the light guide plate 428, and cooperates with the second portion 408c of the frame member 410c to sandwich the portion of the light guide plate 428, and the reflective sheet 426 is disposed between the bottom surface of the second portion 462 and the light emitting unit 414. The reflective sheet 424 is also interposed between the light guide plate 428 and the second portion 408c of the frame member 410c. The second portion 462 of the L-shaped structure 464 is adjacent to one end of the optical film 440, for example, a more recessed accommodating space 484 for accommodating the outer edge portion of the optical film 440, and accommodating the pressing portion on the space 484. 488 limits the vertical movement of the optical film 440. The L-shaped structure 464 can further replace the spacers 434 and 436 of the liquid crystal display 400a, so that the liquid crystal panel 402 can be directly disposed on the second portion 462 of the L-shaped structure 464, and the first portion 462 of the L-shaped structure 464 has a large thickness. The space on the side of the liquid crystal panel 402 can be filled to restrict the lateral movement of the liquid crystal panel 402.

Referring to FIG. 7, a cross-sectional view of a liquid crystal display according to a fourth preferred embodiment of the present invention is shown. In the exemplary embodiment, the structure of the liquid crystal display 400d is similar to that of the liquid crystal display 400a of the above embodiment, wherein the main difference between the liquid crystal displays 400d and 400a is that, except for the frame elements similar to the frame members 410a and 422a of the liquid crystal display 400a. In addition to 410d and 422d, the liquid crystal display 400d further has another frame member 466 like the frame member 422c of the liquid crystal display 400c. In the liquid crystal display 400d, the backlight module 404d has three frame members 410d, 422d, and 466. The cross-sectional structure of the frame members 410d and 422d is also L-shaped, wherein the frame member 410d is composed of interconnected first portions 406d and 408d, and the frame member 422d is connected to the first portions 418d and 420d. On the other hand, the cross-sectional structure of the frame member 466 includes interconnected L Types 472 and 478, wherein the L-shaped structure 472 includes a first portion 468 and a second portion 470 that are interconnected, the L-shaped structure 478 includes a first portion 474 and a second portion 476 that are interconnected, and a second portion 472 of the L-shaped structure 472 The portion 470 is coupled to the top end of the first portion 474 of the L-shaped structure 478, and the first portion 468 and the second portion 470 of the L-shaped structure 472 and the first portion 474 of the L-shaped structure 478 enclose an accommodating space 490. The carrier 412 of the light source module 416, the first portion 406c of the frame member 410d, and the first portion 418d of the frame member 422d are interposed in the accommodating space 490. Similarly, when the backlight module 404d is provided with the buffer members 430 and 432, the buffer member 430 interposed between the plane 480 of the carrier plate 412 and the first portion 418d of the frame member 422d, and the plane sandwiched between the carrier plates 412 The buffer member 432 between the 482 and the first portion 406d of the frame member 410d is also sandwiched in the accommodating space 490. In one embodiment, the frame member 410d is the same as the frame member 410a of the liquid crystal display 400a, both of which are metal frames, the frame member 422d is a light source protection frame, and the frame member 466 is a plastic frame.

In the liquid crystal display 400d, the L-shaped structure 478 of the frame member 466 is disposed on the second portion 420d of the frame member 422d, and the frame member 422d is disposed at a position similar to the frame member 422a of the liquid crystal display 400a, and the liquid crystal panel 402 is disposed at The second portion 476 of the L-shaped structure 478 is on. Therefore, the second portion 476 of the L-shaped structure 478 is interposed between the liquid crystal panel 402 and the second portion 420d of the frame member 422d, and the first portion 474 of the L-shaped structure 478 is interposed between the side of the liquid crystal panel 402 and the frame member 422d. Part of 418d. The L-shaped structure 478 can replace the spacers 434 and 436 of the liquid crystal display 400a, so that the liquid crystal panel 402 can be directly disposed on the L-shaped junction. The first portion 474 of the L-shaped structure 478 also has a relatively large thickness to fill the space of the sides of the liquid crystal panel 402 to limit lateral movement of the liquid crystal panel 402.

Please refer to FIG. 8 , which is a cross-sectional view showing a liquid crystal display according to a fifth preferred embodiment of the present invention. In the exemplary embodiment, the liquid crystal display 400f includes at least a liquid crystal panel 402 and a backlight module 404f. The backlight module 404f is disposed on the back surface of the liquid crystal panel 402 to provide a backlight source of the liquid crystal panel 402. As in the foregoing embodiment, the backlight module 404f mainly includes a light source module 416 and a light guide plate 428. In some embodiments, backlight module 404f can further include frame members 410f and 422f. In one embodiment, the carrier 412 has two ends 550 and 552 respectively on opposite sides of the plane 480, wherein the distance between the light emitting unit 414 and the two ends 550 and 552 of the carrier 412 is not equal. The carrier 412 has a width 444 which is the distance between the two ends 550 and 552 of the carrier 412. In the liquid crystal display 400f, the frame member 410f is provided with one or more openings 504 corresponding to the light emitting units 414 of the light source module 416, wherein the light emitting units 414 of the light source module 416 are respectively disposed in the corresponding openings 504. In the exemplary embodiment, the frame member 422f may be a light source protection frame, and the frame member system 410f may be a metal frame. The light source module 416 and the frame member 422f are both disposed in the frame member 410f, wherein the carrier plate 412 of the light source module 416 is interposed between the frame members 422f and 410f. The light guide plate 428 is disposed on the side of the light source module 416, and is disposed on the frame member 410f. The light exiting surface 450 of the light emitting unit 414 is opposite to the light incident surface 448 of the light guide plate 428. The light source module 416 is located at the light guide plate 428. The light incident surface 448 is between the frame member 422f. In addition, in the backlight module 404f, The light exiting surface 450 of each of the light emitting units 414 can pass through the opening 504 of the frame member 422f to face the light incident surface 448 of the light guide plate 428. The light incident surface 448 of the light guide plate 428 has a central area 554, wherein the light incident surface 448 of the light guide plate 428 has a width 562, which is the distance between the upper and lower sides of the light incident surface 448, and the carrier The width 444 of the 412 is preferably greater than the width 562 of the light incident surface 448 of the light guide plate 428. In one embodiment, the central region 554 of the light guide plate 428 has a width 560, and the width 560 of the central region 554 of the light guide plate 428 is preferably less than or equal to 1 mm. The illumination center 556 of the illumination unit 414 emits light in a light exit direction 558 to a central region 554 of the light guide plate 428, wherein the light exit direction 558 is substantially perpendicular to the plane 480 of the carrier 412.

In the backlight module 400f, the cross-sectional structures of the frame members 410f and 422f are substantially U-shaped, wherein the frame member 410f includes a first portion 492f, a second portion 494f and a third portion 496f which are sequentially connected, and the frame member 422f The first portion 498, the second portion 500, and the third portion 502 are sequentially connected. In the exemplary embodiment, the carrier plate 412 of the light source module 416 is interposed between the second portion 494f of the frame member 410f and the second portion 500 of the frame member 422f. In addition, the light guide plate 428 is interposed between the first portion 498 of the frame member 422f and the opposite third portion 502, and the second portion 504 of the frame member 422f faces the light incident surface 448 of the light guide plate 428, and the opening 504 The system is disposed in the second portion 504. In one embodiment, the backlight module 404f is selectively provided with a reflective sheet 424 and at least one optical film 440. The reflective sheet 424 is disposed on the bottom surface of the light guide plate 428 and the third portion 502 of the frame member 422f. Meanwhile, the optical film 440 is stacked on the upper surface of the light guide plate 428.

The liquid crystal display 400f is further selectively provided with a front frame 438, wherein the front frame 438 is disposed on the outer edge of the liquid crystal panel 402, and is located on the outer side of the frame member 410f, and is designed through a structure such as a hook. It is engaged with, for example, the second portion 494f of the frame member 410f as shown in FIG. In some embodiments, the liquid crystal display 400f is further selectively provided with a carrier 516 for carrying the liquid crystal panel 402. In this embodiment, the carrier 516 can be, for example, a plastic frame plastic material. In an embodiment, the backlight module 404f further includes a buffer member 432, wherein the buffer member 432 is interposed between the plane 482 of the carrier 412 and the second portion 494f of the frame member 410f to provide the frame member. Stress shock or frictional cushioning between 410f and carrier plate 412. Moreover, the buffer member 432 may further include a heat dissipation effect and is a thermal pad.

In a liquid crystal display 400f of a preferred embodiment, the distance 506 between the plane 482 of the carrier 412 of the light source module 416 and the second portion 500 of the frame member 422f is less than or equal to the light exit surface 450 of each of the light emitting units 414. The distance 508 of the plane 482 of the plate 412 is increased by 0.5 mm.

Referring to FIG. 9, a cross-sectional view of a liquid crystal display according to a sixth preferred embodiment of the present invention is shown. In the exemplary embodiment, the structure of the liquid crystal display 400g is similar to that of the liquid crystal display 400f of the above embodiment, wherein the difference between the two is that the backlight module 404g of the liquid crystal display 400g replaces the liquid crystal with the frame member 422g having a different structural shape. The frame member 422f of the display 400f is combined with the carrier 516, and the light guide plate 428 is interposed between the first portion 510 of the frame member 422g and the third portion 496g of the frame member 410g. Therefore, in the liquid crystal display 400g, the backlight module 404g also has two frame members 410g and 422g, and the cross-sectional structures of the frame members 410g and 422g are both in a substantially U-shaped structure. The frame member 410g includes a first portion 492g, a second portion 494g, and a third portion 496g that are sequentially connected, and the frame member 422g includes a first portion 510, a second portion 512, and a third portion 514 that are sequentially connected. Similarly, the frame member 422g has one or more openings 518 disposed in the second portion 512, wherein the openings 518 correspond to the illumination units 414 of the light source module 416, respectively. In one embodiment, the frame member 410g is the same as the frame member 410f of the liquid crystal display 400f, both of which are metal frames, and the frame member 422g is a plastic frame.

In some embodiments, when the backlight module 404g is selectively provided with the reflective sheet 424, the reflective sheet 424 is interposed between the bottom surface of the light guide plate 428 and the third portion 496g of the frame member 410g. In addition, the liquid crystal display 400g can also be provided with a front frame 438 according to product requirements, wherein the front frame 438 is disposed on the outer edge of the liquid crystal panel 402, the frame members 422g and 410g, and the front frame 438 is located outside the frame member 410g and is transparent. The structural design of the hook and the like is engaged with the second portion 494g of the frame member 410g. The first portion 510 of the frame member 422g has a greater thickness and can replace the carrier 516 of the liquid crystal display 400f, so that the liquid crystal panel 402 can be disposed directly on the first portion 510 of the frame member 422g, and since the first portion 510 has a larger The thickness can fill the space on the side of the liquid crystal panel 402, and the lateral movement of the liquid crystal panel 402 can be effectively restricted.

Please refer to FIG. 10, which is a cross-sectional view of a liquid crystal display according to a seventh preferred embodiment of the present invention. In the present exemplary embodiment, the structure of the liquid crystal display 400h is similar to that of the liquid crystal display 400f of the above embodiment. The difference between the two is that the backlight module 404h of the liquid crystal display 400h replaces the frame member 422f of the liquid crystal display 400f with a frame member 422h of a high reflectivity material, wherein the frame member 422f is a light source protection frame. Therefore, in the liquid crystal display 400h, the backlight module 404h also has two frame members 410h and 422h, and the cross-sectional structures of the frame members 410h and 422h are also substantially U-shaped. The frame member 410h includes a first portion 492h, a second portion 494h, and a third portion 496h that are sequentially connected, and the frame member 422h includes a first portion 520, a second portion 522, and a third portion 524 that are sequentially connected. Similarly, the frame member 422h has one or more openings 526 disposed in the second portion 522, wherein the openings 526 correspond to the light emitting units 414 of the light source module 416, respectively. In the exemplary embodiment, frame members 410h and 422h may be, for example, metal frames.

Referring to FIG. 11, a cross-sectional view of a liquid crystal display according to an eighth preferred embodiment of the present invention is shown. In the exemplary embodiment, the structure of the liquid crystal display 400i is similar to that of the liquid crystal display 400f of the above embodiment, wherein the difference between the two is that the backlight module 404i of the liquid crystal display 400i replaces the liquid crystal display with the frame member 422i of the metal material. The frame member 422f of the 400f, and the first portion 528 of the frame member 422i is further designed with a stepped structure to replace the space occupied by the carrier 516 of the portion of the liquid crystal display 400f, so that the volume of the carrier 516 can be reduced. Therefore, in the liquid crystal display 400i, the backlight module 404i also has two frame members 410i and 422i, and the cross-sectional structures of the frame members 410i and 422i are also substantially in a U-shaped structure. Wherein, the frame member 410i includes a first portion 492i, a second portion 494i and a third portion 496i that are sequentially connected, and the frame member 422i includes the sequential The first portion 528, the second portion 530, and the third portion 532 are connected. Similarly, the frame member 422i has one or more openings 534 disposed in the second portion 530, wherein the openings 534 correspond to the light emitting units 414 of the light source module 416, respectively. In the exemplary embodiment, frame members 410i and 422i are identical to frame members 410f of liquid crystal display 400f, both of which are metal frames.

In addition, the first portion 528 of the frame member 422i is more concavely folded out of the stepped structure 546 to occupy a larger space between the side of the liquid crystal panel 402 and the carrier 412 of the light source module 416, thereby effectively filling the liquid crystal panel 402. The gap between the side and the carrier 412. In an embodiment, the liquid crystal display 400i further includes a buffer member 536 and a carrier member 516. The buffer member 536 and the carrier member 516 are respectively disposed on the side surface and the upper surface of the stepped structure 546 of the frame member 522i. The liquid crystal panel 402 is buffered and restrained and moved in the lateral direction, and the liquid crystal panel 402 is carried.

Referring to FIG. 12, a cross-sectional view of a liquid crystal display according to a ninth preferred embodiment of the present invention is shown. In the exemplary embodiment, the structure of the liquid crystal display 400j is similar to that of the liquid crystal display 400f of the above embodiment, wherein the difference between the two is that the backlight module 404j of the liquid crystal display 400j replaces the liquid crystal display 400f with the reflective sheet 422j. Frame member 422f, wherein frame member 422f is a light source protection frame. Therefore, in the liquid crystal display 400j, the backlight module 404j has the frame member 410j and the reflection sheet 422j, and the cross-sectional structure of the frame member 410j and the reflection sheet 422j are both in a substantially U-shaped structure. The frame member 410j includes a first portion 492j, a second portion 494j, and a third portion 496j that are sequentially connected, and the reflective sheet 422j includes a first portion 540, a second portion 542, and a third portion that are sequentially connected. 548. The reflective sheet 422j has one or more openings 544 disposed in the second portion 542, wherein the openings 542 correspond to the light emitting units 414 of the light source module 416, respectively. In the present exemplary embodiment, the frame member 410j is the same as the frame member 410f of the liquid crystal display 400f, and is a metal frame, but the reflective sheet 422j is a metal reflective member. Therefore, the liquid crystal display 400j can save the light source cover and reduce the cost.

It can be seen from the above embodiments of the present invention that one of the advantages of the present invention is that the backlight module of the present invention and its application on the liquid crystal display utilize a plurality of frames to fix the light source module, thereby solving the assembly of the light source module. It is not easy to solve the problem of heavy work.

According to the embodiment of the present invention, another advantage of the present invention is that the width of the carrier of the light source module is not limited to the thickness of the light guide plate in the backlight module of the present invention and its application on the liquid crystal display. Therefore, under the trend of thinning the light guide plate, the carrier plate of the light source module can maintain sufficient circuit layout area, and does not need to use an expensive double-layer circuit substrate or a multi-layer circuit substrate, thereby reducing product cost.

According to the embodiment of the present invention, another advantage of the present invention is that the backlight module of the present invention and its application on the liquid crystal display can directly replace the back frame and the light source module from the back of the backlight module. Very convenient.

Although the present invention has been described above in terms of a preferred embodiment, it is not intended to limit the invention, and it is intended that various modifications may be made without departing from the spirit and scope of the invention. And the scope of the present invention is defined by the scope of the appended claims.

100‧‧‧Backlight module

102‧‧‧ Backplane

104‧‧‧Lighting diode protection cover

106‧‧‧Lighting diode

108‧‧‧ Carrier Board

110‧‧‧Lighting diode strips

112‧‧‧Light guide plate

114‧‧‧reflector

116‧‧‧Optical diaphragm

118‧‧‧Part 1

120‧‧‧Part II

122‧‧‧Part III

124‧‧‧ side

126‧‧‧Glossy

200‧‧‧Backlight module

202‧‧‧ Backplane

204‧‧‧Lighting diode cover

206‧‧‧Lighting diode

208‧‧‧ Carrier Board

210‧‧‧Lighting diode strips

212‧‧‧Light guide plate

214‧‧‧reflector

216‧‧‧Optical diaphragm

218‧‧‧ adhesive layer

220‧‧‧Part 1

222‧‧‧ Part II

224‧‧‧Part III

226‧‧‧ side

228‧‧‧Glossy

230‧‧‧Width

232‧‧‧thickness

300‧‧‧Backlight module

302‧‧‧ Backplane

304‧‧‧Lighting diode protection cover

306‧‧‧Lighting diode

308‧‧‧ Carrier Board

310‧‧‧Lighting diode strip

312‧‧‧Light guide plate

314‧‧‧reflector

316‧‧‧Optical diaphragm

318‧‧‧Fixed parts

320‧‧‧Part 1

322‧‧‧Part II

324‧‧‧Part III

326‧‧‧ side

328‧‧‧Glossy

330‧‧‧Width

332‧‧‧ thickness

400a‧‧‧LCD display

400b‧‧‧LCD display

400c‧‧‧LCD display

400d‧‧‧LCD display

400f‧‧‧LCD display

400g‧‧‧LCD display

400h‧‧‧LCD monitor

400i‧‧‧LCD display

400j‧‧‧LCD monitor

402‧‧‧LCD panel

404a‧‧‧Backlight module

404b‧‧‧Backlight Module

404c‧‧‧Backlight Module

404d‧‧‧Backlight Module

404f‧‧‧Backlight Module

404g‧‧‧Backlight Module

404h‧‧‧Backlight module

404i‧‧‧Backlight Module

404j‧‧‧Backlight Module

406a‧‧‧Part 1

406b‧‧‧ part one

406c‧‧‧ part one

406d‧‧‧Part 1

408a‧‧‧Part II

408b‧‧‧ part two

408c‧‧‧Part II

408d‧‧‧Part II

410a‧‧‧Frame components

410b‧‧‧Frame components

410c‧‧‧Frame components

410d‧‧‧Frame components

410f‧‧‧Frame components

410g‧‧‧Frame components

410h‧‧‧Frame components

410i‧‧‧Frame components

410j‧‧‧Frame components

412‧‧‧ Carrier Board

414‧‧‧Lighting unit

416‧‧‧Light source module

418a‧‧‧Part 1

418b‧‧‧Part 1

418d‧‧‧Part 1

420a‧‧‧Part II

420b‧‧‧Part II

420d‧‧‧Part II

422a‧‧‧Frame components

422b‧‧‧Frame components

422c‧‧‧Frame components

422d‧‧‧Frame components

422f‧‧‧Frame components

422g‧‧‧Frame components

422h‧‧‧Frame components

422i‧‧‧Frame components

422j‧‧‧reflector

424‧‧‧reflector

426‧‧‧reflector

428‧‧‧Light guide plate

430‧‧‧ cushioning parts

432‧‧‧ cushioning parts

434‧‧‧ spacers

436‧‧‧ spacers

438‧‧‧ front box

440‧‧‧Optical diaphragm

442‧‧‧ thickness

444‧‧‧Width

446‧‧‧ thickness

448‧‧‧Into the glossy surface

450‧‧‧Glossy surface

452‧‧‧Flexible clips

454‧‧‧Part 1

456‧‧‧Part II

458‧‧‧L structure

460‧‧‧Part I

462‧‧‧Part II

464‧‧‧L structure

466‧‧‧Frame components

468‧‧‧Part II

470‧‧‧Part 1

472‧‧‧L structure

474‧‧‧Part 1

476‧‧‧Part II

478‧‧‧L structure

480‧‧‧ plane

482‧‧‧ Plane

484‧‧‧ accommodating space

486‧‧‧ accommodating space

488‧‧‧Depression

490‧‧‧ accommodating space

492f‧‧‧Part 1

492g‧‧‧Part 1

492h‧‧‧Part 1

492i‧‧‧Part 1

492j‧‧‧Part 1

494f‧‧‧Part II

494g‧‧‧Part II

494h‧‧‧Part II

494i‧‧‧Part II

494j‧‧‧Part II

496f‧‧‧Part III

496g‧‧‧Part III

496h‧‧‧Part III

496i‧‧‧Part III

496j‧‧‧Part III

498‧‧‧Part 1

500‧‧‧Part II

502‧‧‧Part III

504‧‧‧ openings

506‧‧‧ distance

508‧‧‧ distance

510‧‧‧Part 1

512‧‧‧Part II

514‧‧‧Part III

516‧‧‧Carrier

518‧‧‧ openings

520‧‧‧Part 1

522‧‧‧Part II

524‧‧‧Part III

526‧‧‧ openings

528‧‧‧Part 1

530‧‧‧Part II

532‧‧‧Part III

534‧‧‧ openings

536‧‧‧ cushioning parts

540‧‧‧Part 1

542‧‧‧Part II

544‧‧‧ openings

546‧‧‧step structure

548‧‧‧Part III

550‧‧‧

552‧‧‧

554‧‧‧Central District

556‧‧‧Lighting Center

558‧‧‧Lighting direction

560‧‧‧Width

562‧‧‧Width

FIG. 1 is a schematic cross-sectional view showing a conventional backlight module of a light-emitting diode.

FIG. 2 is a schematic cross-sectional view showing another conventional light-emitting diode backlight module.

FIG. 3 is a schematic cross-sectional view showing another conventional light-emitting diode backlight module.

4 is a cross-sectional view showing a liquid crystal display according to a first preferred embodiment of the present invention.

Figure 5 is a cross-sectional view showing a liquid crystal display according to a second preferred embodiment of the present invention.

Figure 6 is a cross-sectional view showing a liquid crystal display according to a third preferred embodiment of the present invention.

Figure 7 is a cross-sectional view showing a liquid crystal display according to a fourth preferred embodiment of the present invention.

Figure 8 is a cross-sectional view showing a liquid crystal display according to a fifth preferred embodiment of the present invention.

Figure 9 is a cross-sectional view showing a liquid crystal display according to a sixth preferred embodiment of the present invention.

Figure 10 is a cross-sectional view showing a liquid crystal display according to a seventh preferred embodiment of the present invention.

Figure 11 is a cross-sectional view showing a liquid crystal display according to an eighth preferred embodiment of the present invention.

Figure 12 is a cross-sectional view showing a liquid crystal display according to a ninth preferred embodiment of the present invention.

400a‧‧‧LCD display

402‧‧‧LCD panel

404a‧‧‧Backlight module

406a‧‧‧Part 1

408a‧‧‧Part II

410a‧‧‧Frame components

412‧‧‧ Carrier Board

414‧‧‧Lighting unit

416‧‧‧Light source module

418a‧‧‧Part 1

420a‧‧‧Part II

422a‧‧‧Frame components

424‧‧‧reflector

426‧‧‧reflector

428‧‧‧Light guide plate

430‧‧‧ cushioning parts

432‧‧‧ cushioning parts

434‧‧‧ spacers

436‧‧‧ spacers

438‧‧‧ front box

440‧‧‧Optical diaphragm

442‧‧‧ thickness

444‧‧‧Width

446‧‧‧ thickness

448‧‧‧Into the glossy surface

450‧‧‧Glossy surface

452‧‧‧Flexible clips

480‧‧‧ plane

482‧‧‧ Plane

550‧‧‧

552‧‧‧

554‧‧‧Central District

556‧‧‧Lighting Center

558‧‧‧Lighting direction

560‧‧‧Width

562‧‧‧Width

Claims (138)

A backlight module includes at least: a light guide plate having a light incident surface, the light incident mask having a central area; and a light source module comprising: a carrier board having a plane, and an upper end and a lower end, The distance between the upper end and the lower end is a width of the carrier; and an illumination unit is disposed on the plane of the carrier, the distance between the illumination unit and the upper end and the lower end is not equal; wherein the illumination The unit further has a light-emitting center, the light-emitting center emitting light to the central area along a light-emitting direction, the light-emitting direction being substantially perpendicular to the plane of the carrier; a first frame element, wherein the carrier is opposite to the plane Another plane is attached to one surface of the first frame member; and a second frame member, wherein the carrier is sandwiched between the first frame member and the second frame member, the first frame member and the second frame member The cross-sectional structure of the second frame member is substantially L-shaped, and each of the first frame member and the second frame member includes a first portion and a second portion interconnected, and the carrier is sandwiched between the first frame yuan Between the first portion of the piece and the first portion of the second frame member. The backlight module of claim 1, wherein the central portion has a width of less than or equal to 1 mm. The backlight module of claim 1, wherein the light guide plate is interposed between the second portion of the first frame member and the second portion of the second frame member. The backlight module of claim 3, further comprising a reflective sheet sandwiched between the light guide plate and the second portion of the first frame member. The backlight module of claim 4, further comprising at least another reflective sheet interposed between the second portion of the second frame member and the light emitting unit. The backlight module of claim 1, further comprising at least two buffer members, wherein the buffer members are respectively disposed between the plane of the carrier and the first portion of the second frame member, and The other plane of the carrier is between the first portion of the first frame member. The backlight module of claim 1, further comprising at least one elastic clip for clamping the first frame member, the carrier plate and the second frame member. The backlight module of claim 1, wherein the first frame member is a metal frame. The backlight module of claim 1, wherein the backlight module The first frame member is a plastic frame. A backlight module includes at least: a light guide plate having a light incident surface, the light incident mask having a central area; and a light source module comprising: a carrier board having a plane, and an upper end and a lower end, The distance between the upper end and the lower end is a width of the carrier; and an illumination unit is disposed on the plane of the carrier, the distance between the illumination unit and the upper end and the lower end is not equal; wherein the illumination The unit further has a light-emitting center, the light-emitting center emitting light to the central area along a light-emitting direction, the light-emitting direction being substantially perpendicular to the plane of the carrier; a first frame element, wherein the carrier is opposite to the plane Another plane is attached to one surface of the first frame member, the first frame member has an L-shaped cross-sectional structure, and a second frame member, the carrier plate is sandwiched between the first frame member and the second frame Between the components, wherein the second frame component comprises a first L-shaped structure and a second L-shaped structure interconnected, each of the first frame component, the first L-shaped structure and the second L-shaped structure comprises Connected to each other a first portion and a second portion, the second portion of the first L-shaped structure being coupled to a top end of the first portion of the second L-shaped structure, and the first portion and the second portion of the first L-shaped structure An accommodating space is formed between the first portions of the L-shaped structure, and the carrier plate and the first portion of the first frame member are interposed in the accommodating space. The backlight module of claim 10, further comprising at least two buffer members, wherein the buffer members are respectively disposed between the plane of the carrier and the first portion of the second L-shaped structure, And between the other plane of the carrier and the first portion of the first frame member. The backlight module of claim 10, wherein the light guide plate is interposed between the second portion of the first frame member and the second portion of the second L-shaped structure. The backlight module of claim 12, further comprising at least one reflective sheet interposed between the light guide plate and the second portion of the first frame member. The backlight module of claim 13, further comprising at least another reflective sheet sandwiching the second portion of the second L-shaped structure and the light emitting unit. The backlight module of claim 10, wherein the first frame member is a metal frame, and the second frame member is a plastic frame. The backlight module of claim 15, wherein the first frame member and the second frame member are coupled by screwing or hooking. A backlight module includes at least: a light guide plate having a light incident surface, the light incident mask having a central area; and a light source module comprising: a carrier board having a plane, and an upper end and a lower end, The distance between the upper end and the lower end is a width of the carrier; and an illumination unit is disposed on the plane of the carrier, the distance between the illumination unit and the upper end and the lower end is not equal; wherein the illumination The unit further has a light-emitting center, the light-emitting center emitting light to the central area along a light-emitting direction, the light-emitting direction being substantially perpendicular to the plane of the carrier; a first frame element, wherein the carrier is opposite to the plane Another plane is attached to one surface of the first frame member; a second frame member, wherein the carrier is sandwiched between the first frame member and the second frame member; and a third frame member is provided On the first frame member and the second frame member, wherein the third frame member is formed by interconnecting one of a first L-shaped structure and a second L-shaped structure, wherein the first frame member and the second frame member frame The cross-sectional structure of the piece is substantially L-shaped, and each of the first frame element, the second frame element, the first L-shaped structure and the second L-shaped structure comprise a first part and a second part connected to each other, The carrier plate is interposed between the first portion of the first frame member and the first portion of the second frame member, the second portion of the first L-shaped structure and the first portion of the second L-shaped structure It a top end connection, and an accommodating space is formed between the first portion of the first L-shaped structure and the first portion of the second L-shaped structure, the carrier, the first portion of the first frame member, and the The first portion of the second frame member is interposed in the accommodating space. The backlight module of claim 17, further comprising at least two buffer members, wherein the buffer members are respectively disposed between the plane of the carrier and the first portion of the second frame member, and The other plane of the carrier is between the first portion of the first frame member. The backlight module of claim 17, wherein the light guide plate is interposed between the second portion of the first frame member and the second portion of the second frame member, and the second frame The second portion of the component is interposed between the second portion of the second L-shaped structure and the light guide plate. The backlight module of claim 19, further comprising at least one reflective sheet interposed between the light guide plate and the second portion of the first frame member. The backlight module of claim 20, further comprising at least another reflective sheet sandwiching the second portion of the second frame member and the light emitting unit. The backlight module of claim 17, wherein the first frame component is a metal frame, and the third frame component is a glue frame. The backlight module of claim 17, wherein the light emitting unit is a light emitting diode. The backlight module of claim 17, further comprising at least one optical film disposed on the light guide plate. A backlight module includes at least: a light guide plate having a light incident surface, the light incident mask having a central area; and a light source module comprising: a carrier board having a plane, and an upper end and a lower end, The distance between the upper end and the lower end is a width of the carrier; and an illumination unit is disposed on the plane of the carrier, the distance between the illumination unit and the upper end and the lower end is not equal; wherein the illumination The unit further has an illuminating center, the illuminating center emitting light to the central area along a light emitting direction, the light emitting direction being substantially perpendicular to the plane of the carrier; a first frame element comprising at least one opening, wherein the illuminating unit is disposed In the opening, a light emitting surface of the light emitting unit passes through the opening to face the light incident surface of the light guide plate; and a second frame member, wherein the light source module and the first frame member are disposed in the a cross section of each of the first frame member and the second frame member The structure has a substantially U-shaped structure, and each of the first frame member and the second frame member includes a first portion, a second portion and a third portion sequentially connected to the first frame. Between the second portion of the element and the second portion of the second frame member. The backlight module of claim 25, wherein a distance between the plane of the carrier and the second portion of the first frame member is less than or equal to the light emitting surface of the light emitting unit to the carrier The distance of this plane is increased by 0.5 mm. The backlight module of claim 25, wherein the light guide plate is sandwiched between the first portion and the third portion of the first frame member. The backlight module of claim 27, further comprising at least one reflective sheet interposed between the light guide plate and the third portion of the first frame member. The backlight module of claim 25, wherein the first frame component is a light source protection frame, and the second frame component is a metal frame. The backlight module of claim 25, wherein each of the first frame member and the second frame member is a metal frame. The backlight module of claim 25, wherein the first frame component is a plastic frame, and the second frame component is a metal frame. The backlight module of claim 31, wherein the light guide plate is interposed between the first portion of the first frame member and the third portion of the second frame member. The backlight module of claim 32, further comprising at least one reflective sheet interposed between the light guide plate and the third portion of the second frame member. A backlight module includes at least: a light guide plate having a light incident surface, the light incident mask having a central area, and the light entrance mask has an upper side and a lower side, and a distance between the upper side and the lower side a light source module; a light source module comprising: a carrier plate having a plane, and an upper end and a lower end, and a distance between the upper end and the lower end is a width of the carrier board, wherein The width of the carrier is greater than the width of the light-incident surface; and a light-emitting unit is disposed on the plane of the carrier; wherein the light-emitting unit further has a light-emitting center, and the light-emitting center emits light along a light-emitting direction Up to the central region, the light exiting direction is substantially perpendicular to the plane of the carrier; a first frame member, wherein the carrier is opposite to the plane Planingly disposed on a surface of the first frame member; and a second frame member, wherein the carrier plate is sandwiched between the first frame member and the second frame member, wherein the first frame member and the first frame member The cross-sectional structure of the two frame members is substantially L-shaped, and each of the first frame members and the second frame member includes a first portion and a second portion interconnected, and the carrier is sandwiched between the first frame members Between the first portion and the first portion of the second frame member. The backlight module of claim 34, wherein the central portion has a width of less than or equal to 1 mm. The backlight module of claim 34, wherein the light guide plate is sandwiched between the second portion of the first frame member and the second portion of the second frame member. The backlight module of claim 36, further comprising at least one reflective sheet sandwiched between the light guide plate and the second portion of the first frame member. The backlight module of claim 37, further comprising at least another reflective sheet interposed between the second portion of the second frame member and the light emitting unit. Such as the backlight module described in claim 34, Having a second buffer member, wherein the buffer members are respectively disposed between the plane of the carrier and the first portion of the second frame member, and the other plane of the carrier and the first frame member Between the first parts. The backlight module of claim 34, further comprising at least one elastic clip for clamping the first frame member, the carrier plate and the second frame member. The backlight module of claim 34, wherein the first frame member is a metal frame. The backlight module of claim 34, wherein the first frame component is a plastic frame. A backlight module includes at least: a light guide plate having a light incident surface, the light incident mask having a central area, and the light entrance mask has an upper side and a lower side, and a distance between the upper side and the lower side a light source module; a light source module comprising: a carrier plate having a plane, and an upper end and a lower end, and a distance between the upper end and the lower end is a width of the carrier board, wherein The width of the carrier is greater than the width of the light-incident surface; and a light-emitting unit is disposed on the plane of the carrier; wherein the light-emitting unit further has a light-emitting center, and the light-emitting center emits light along a light-emitting direction To the central area, the light direction is a plane perpendicular to the plane of the carrier; a first frame member, wherein another plane of the carrier relative to the plane is attached to a surface of the first frame member, the cross-sectional structure of the first frame member is L-shaped; and a second frame member, wherein the carrier plate is sandwiched between the first frame member and the second frame member, the second frame member including one of the first L-shaped structure and a second An L-shaped structure, wherein each of the first frame member, the first L-shaped structure and the second L-shaped structure comprise a first portion and a second portion interconnected, wherein the second portion of the first L-shaped structure a portion is connected to a top end of the first portion of the second L-shaped structure, and an accommodating space is formed between the first portion of the first L-shaped structure and the first portion of the second L-shaped structure, the carrier The first portion of the first frame member is interposed in the accommodating space. The backlight module of claim 43, further comprising at least two buffer members, wherein the buffer members are respectively disposed between the plane of the carrier and the first portion of the second L-shaped structure, And between the other plane of the carrier and the first portion of the first frame member. The backlight module of claim 43, wherein the light guide plate is interposed between the second portion of the first frame member and the second portion of the second L-shaped structure. Such as the backlight module described in claim 45, and even more A reflective sheet is sandwiched between the light guide plate and the second portion of the first frame member. The backlight module of claim 46, further comprising at least another reflective sheet sandwiching the second portion of the second L-shaped structure and the light emitting unit. The backlight module of claim 43, wherein the first frame component is a metal frame, and the second frame component is a plastic frame. The backlight module of claim 48, wherein the first frame member and the second frame member are coupled by screwing or hooking. A backlight module includes at least: a light guide plate having a light incident surface, the light incident mask having a central area, and the light entrance mask has an upper side and a lower side, and a distance between the upper side and the lower side a light source module; a light source module comprising: a carrier plate having a plane, and an upper end and a lower end, and a distance between the upper end and the lower end is a width of the carrier board, wherein The width of the carrier is greater than the width of the light-incident surface; and a light-emitting unit is disposed on the plane of the carrier; wherein the light-emitting unit further has a light-emitting center. The light exits the light in a direction of light exiting to the central region, the light exiting direction being substantially perpendicular to the plane of the carrier; a first frame member, wherein the first plane of the carrier is attached to the first plane relative to the plane a surface of one of the frame members; a second frame member, wherein the carrier plate is interposed between the first frame member and the second frame member; and a third frame member disposed on the first frame member and the first frame member a second frame member, wherein the third frame member is formed by interconnecting one of a first L-shaped structure and a second L-shaped structure, wherein a cross-sectional structure of the first frame member and the second frame member is substantially L Type, each of the first frame member, the second frame member, the first L-shaped structure and the second L-shaped structure include a first portion and a second portion interconnected, the carrier plate being sandwiched between the first Between the first portion of a frame member and the first portion of the second frame member, wherein the second portion of the first L-shaped structure is coupled to the top end of the first portion of the second L-shaped structure, and The first part of the first L-shaped structure Forming an accommodating space with the first portion of the second L-shaped structure, the carrier plate, the first portion of the first frame member, and the first portion of the second frame member are disposed in the accommodating space in. The backlight module of claim 50, further comprising at least two buffer members, wherein the buffer members are respectively disposed between the plane of the carrier and the first portion of the second frame member, and The other plane of the carrier is between the first portion of the first frame member. The backlight module of claim 50, wherein the light guide plate is sandwiched between the second portion of the first frame member and the second portion of the second frame member, and the second frame The second portion of the component is interposed between the second portion of the second L-shaped structure and the light guide plate. The backlight module of claim 52, further comprising at least one reflective sheet sandwiched between the light guide plate and the second portion of the first frame member. The backlight module of claim 53, further comprising at least another reflective sheet sandwiching the second portion of the second frame member and the light emitting unit. The backlight module of claim 50, wherein the first frame component is a metal frame, and the third frame component is a plastic frame. The backlight module of claim 50, wherein the light emitting unit is a light emitting diode. The backlight module of claim 50, further comprising at least one optical film disposed on the light guide plate. A backlight module includes at least: a light guide plate having a light incident surface, the light entrance mask having a central area, The light-receiving mask has an upper side and a lower side, and the distance between the upper side and the lower side is a width of the light-incident surface; a light source module comprises: a carrier board having a plane and an upper end And a lower end, and the distance between the upper end and the lower end is a width of the carrier, wherein the width of the carrier is greater than the width of the light-incident surface; and an illumination unit disposed on the carrier In the plane, the light-emitting unit further has a light-emitting center, and the light-emitting center emits light to the central area along a light-emitting direction, the light-emitting direction is substantially perpendicular to the plane of the carrier; and the first frame element includes at least one An opening, wherein the light emitting unit is disposed in the opening, and a light emitting surface of the light emitting unit passes through the opening to face the light incident surface of the light guide plate; and a second frame component, wherein the light source module and the light source module a first frame member disposed in the second frame member, wherein each of the first frame member and the second frame member has a substantially U-shaped cross-sectional structure, and each of the first frame member and the second member frame One connecting member comprises a first portion in sequence, a second portion and a third portion, the carrier plate is interposed between the second portion of the second portion of the first frame and the second frame member of the element. The backlight module of claim 58, wherein a distance between the plane of the carrier and the second portion of the first frame member is less than or equal to the light emitting surface of the light emitting unit to the carrier The distance of this plane is increased by 0.5 mm. The backlight module of claim 58, wherein the light guide plate is sandwiched between the first portion and the third portion of the first frame member. The backlight module of claim 60, further comprising at least one reflective sheet interposed between the light guide plate and the third portion of the first frame member. The backlight module of claim 58, wherein the first frame component is a light source protection frame, and the second frame component is a metal frame. The backlight module of claim 58, wherein each of the first frame member and the second frame member is a metal frame. The backlight module of claim 58, wherein the first frame component is a plastic frame, and the second frame component is a metal frame. The backlight module of claim 64, wherein the light guide plate is sandwiched between the first portion of the first frame member and the third portion of the second frame member. Such as the backlight module described in claim 65, A reflection sheet is included between the light guide plate and the third portion of the second frame member. A liquid crystal display includes at least: a liquid crystal panel; and a backlight module disposed on the back of the liquid crystal panel, wherein the backlight module comprises at least: a light guide plate having a light incident surface, the light entrance mask having a center a light source module comprising: a carrier plate having a plane, and an upper end and a lower end, the distance between the upper end and the lower end being a width of the carrier; and a light emitting unit disposed at the load In the plane of the board, the distance between the upper end and the lower end of the illuminating unit is not equal; wherein the illuminating unit further has an illuminating center, and the illuminating center emits light in a light emitting direction to the central area, and the light emitting direction is substantially vertical On the plane of the carrier. a first frame member, wherein the other plane of the carrier is attached to one surface of the first frame member; and a second frame member, wherein the carrier is sandwiched between the first frame member Between the second frame member and the second frame member, wherein the first frame member and the second frame member have a substantially L-shaped cross-sectional structure, and each of the first frame member and the second frame member includes an interconnected one Part and one second The carrier is sandwiched between the first portion of the first frame member and the first portion of the second frame member. The liquid crystal display of claim 67, wherein the central region has a width of less than or equal to 1 mm. The liquid crystal display of claim 67, wherein the light guide plate is interposed between the second portion of the first frame member and the second portion of the second frame member. The liquid crystal display of claim 69, wherein the backlight module further comprises at least one reflective sheet interposed between the light guide plate and the second portion of the first frame member. The liquid crystal display of claim 70, wherein the backlight module further comprises at least another reflective sheet interposed between the second portion of the second frame member and the light emitting unit. The liquid crystal display of claim 67, wherein the backlight module further comprises at least two buffer members, and the buffer members are respectively disposed on the plane of the carrier and the first portion of the second frame member. Between and between the other plane of the carrier and the first portion of the first frame member. A liquid crystal display according to claim 67, wherein The backlight module further includes at least one elastic clip for clamping the first frame member, the carrier and the second frame member. The liquid crystal display of claim 73, further comprising at least one carrier and a buffer member, wherein the carrier is interposed between the liquid crystal panel and the second portion of the second frame member, and the buffer member Between the side of the liquid crystal panel and the first portion of the second frame member. The liquid crystal display according to claim 74, further comprising at least a front frame, wherein the front frame is disposed on a periphery of the liquid crystal panel and the buffer member, and is located on an outer side of the first frame member. A liquid crystal display includes at least: a liquid crystal panel; and a backlight module disposed on the back of the liquid crystal panel, wherein the backlight module comprises at least: a light guide plate having a light incident surface, the light entrance mask having a center a light source module comprising: a carrier plate having a plane, and an upper end and a lower end, the distance between the upper end and the lower end being a width of the carrier; and a light emitting unit disposed at the load In the plane of the board, the distance between the upper end and the lower end of the light emitting unit is not equal; wherein the light emitting unit has a light emitting center, the hair The light center emits light in a light exiting direction to the central area, the light exiting direction being substantially perpendicular to the plane of the carrier. a first frame member, wherein another plane of the carrier relative to the plane is attached to one surface of the first frame member, the first frame member is a metal frame; and a second frame member, wherein the carrier member a plate is interposed between the first frame member and the second frame member; and a third frame member is disposed on the first frame member and the second frame member, wherein the third frame member is interconnected a first L-shaped structure and a second L-shaped structure, wherein the first frame element and the second frame element have a substantially L-shaped cross-sectional structure, and each of the first frame element and the second frame The element, the first L-shaped structure and the second L-shaped structure comprise a first portion and a second portion interconnected, wherein the second portion of the first L-shaped structure and the second portion of the second L-shaped structure a portion of the top end is connected, and an accommodating space is formed between the first portion of the first L-shaped structure and the first portion of the second L-shaped structure, the carrier, the first portion of the first frame member, And the first part of the second frame member Provided in the accommodating space. The liquid crystal display of claim 76, wherein the second portion of the second L-shaped structure is between the liquid crystal panel and the second portion of the second frame member, and the second L-shaped The first portion of the structure is between the side of the liquid crystal panel and the second frame member Between the first part. The liquid crystal display of claim 76, wherein the third frame member is a plastic frame. The liquid crystal display of claim 76, wherein the second frame component is a light source protection frame. A liquid crystal display includes at least: a liquid crystal panel; and a backlight module disposed on the back of the liquid crystal panel, wherein the backlight module comprises at least: a light guide plate having a light incident surface, the light entrance mask having a center a light source module comprising: a carrier plate having a plane, and an upper end and a lower end, the distance between the upper end and the lower end being a width of the carrier; and a light emitting unit disposed at the load In the plane of the board, the distance between the upper end and the lower end of the illuminating unit is not equal; wherein the illuminating unit further has an illuminating center, and the illuminating center emits light in a light emitting direction to the central area, and the light emitting direction is substantially vertical On the plane of the carrier. a first frame member, wherein another plane of the carrier relative to the plane is attached to a surface of the first frame member; a second frame member, wherein the carrier plate is sandwiched between the first frame member and the second frame member, wherein the first frame member has an L-shaped cross-sectional structure, and the second frame member includes interconnected a first L-shaped structure and a second L-shaped structure, wherein each of the first frame member, the first L-shaped structure and the second L-shaped structure comprise a first portion and a second portion interconnected, wherein The second portion of the first L-shaped structure is coupled to the top end of the first portion of the second L-shaped structure, and the first portion of the first L-shaped structure and the first portion of the second L-shaped structure An accommodating space is formed between the carrier and the first portion of the first frame member. The liquid crystal display of claim 80, wherein the backlight module further comprises at least two buffering members, and the buffering members are respectively disposed on the plane of the carrier and the second L-shaped structure. Between a portion, and the other plane of the carrier and the first portion of the first frame member. The liquid crystal display of claim 80, wherein the light guide plate is interposed between the second portion of the first frame member and the second portion of the second L-shaped structure. The liquid crystal display of claim 82, wherein the backlight module further comprises at least two reflective sheets respectively disposed on the light guide plate Between the second portions of the first frame member and the second portion of the second L-shaped structure and the light emitting unit. The liquid crystal display according to claim 80, wherein the first frame member is a metal frame, and the second frame member is a plastic frame. The liquid crystal display of claim 80, wherein the second portion of the second L-shaped structure is interposed between the light guide plate and the liquid crystal panel. The liquid crystal display of claim 80, wherein the light emitting unit is a light emitting diode. The liquid crystal display of claim 80, wherein the backlight module further comprises at least one optical film disposed on the light guide plate. The liquid crystal display of claim 80, wherein the width of the carrier is greater than the thickness of the light guide plate, but less than the total thickness of the combination of the liquid crystal panel and the backlight module. A liquid crystal display comprising at least: a liquid crystal panel; and a backlight module disposed on a back surface of the liquid crystal panel, wherein the backlight module The group includes at least: a light guide plate having a light incident surface, the light entrance mask having a central area; and a light source module comprising: a carrier plate having a plane, and an upper end and a lower end, the upper end and the lower end The distance between the two is a width of the carrier; and a light emitting unit is disposed on the plane of the carrier, the distance between the light emitting unit and the upper end and the lower end is not equal; wherein the light emitting unit has a light emitting Center, the illuminating center emits light to the central area along a light exiting direction, the light emitting direction being substantially perpendicular to the plane of the carrier. a first frame member includes at least one opening, wherein the light emitting unit is disposed in the opening, and a light emitting surface of the light emitting unit passes through the opening to face the light incident surface of the light guide plate; and a second frame The component, wherein the light source module and the first frame component are disposed in the second frame component, wherein each of the first frame component and the second frame component have a substantially U-shaped cross-sectional structure, and each The first frame member and the second frame member include a first portion, a second portion and a third portion sequentially connected to the second frame and the second frame of the first frame member Between the second parts of the component. A liquid crystal display according to claim 89, wherein The distance between the plane of the carrier and the second portion of the first frame member is less than or equal to the distance from the light exiting surface of the light emitting unit to the plane of the carrier plus 0.5 mm. The liquid crystal display of claim 89, wherein the light guide plate is interposed between the first portion and the third portion of the first frame member. The liquid crystal display of claim 91, wherein the backlight module further comprises at least one reflective sheet interposed between the light guide plate and the third portion of the first frame member. The liquid crystal display according to claim 91, further comprising a front frame disposed on an outer edge of the liquid crystal panel and located on an outer side of the second frame member and engaged with the second frame member. The liquid crystal display of claim 93, further comprising at least one carrier between the first portion of the first frame member and the first portion of the second frame member, and interposed between the liquid crystal panel Between the side and the carrier. The liquid crystal display according to claim 94, wherein the first frame member is a light source protection frame, and the second frame member is a metal frame. The liquid crystal display of claim 94, wherein each of the first frame member and the second frame member is a metal frame. The liquid crystal display according to claim 94, wherein the first frame member is a light source protection frame, and the second frame member is a metal frame. The liquid crystal display of claim 93, further comprising a carrier member and a buffer member respectively between the first portion of the first frame member and the bottom surface of the liquid crystal panel, and between the liquid crystal panel The side is between the first portion of the first frame member. The liquid crystal display of claim 89, wherein the light guide plate is interposed between the first portion of the first frame member and the third portion of the second frame member. The liquid crystal display of claim 99, wherein the backlight module further comprises at least one reflective sheet interposed between the light guide plate and the third portion of the second frame member. The liquid crystal display according to claim 99, wherein the first frame member is a plastic frame, and the second frame member is a metal frame. For example, the liquid crystal display described in claim 99, At least a front frame is disposed on the outer edge of the liquid crystal panel, the first frame member and the second frame member, and is located on the outer side of the second frame member and engaged with the second frame member. A liquid crystal display includes at least: a liquid crystal panel; and a backlight module disposed on the back of the liquid crystal panel, wherein the backlight module comprises at least: a light guide plate having a light incident surface, the light entrance mask having a center And the light-receiving mask has an upper side and a lower side, and a distance between the upper side and the lower side is a width of the light-incident surface; a light source module comprising: a carrier board having a plane, and An upper end and a lower end, wherein a distance between the upper end and the lower end is a width of the carrier, wherein the width of the carrier is greater than the width of the light incident surface; and an illumination unit is disposed on the carrier The light-emitting unit further has a light-emitting center that emits light in a light-emitting direction to the central region, the light-emitting direction being substantially perpendicular to the plane of the carrier, a first frame member, wherein a plane of the carrier plate attached to one surface of the first frame member; and a second frame member, wherein the carrier plate is sandwiched between the first frame member and the second frame member between, In the first frame member and the second cross-sectional view of the frame member The structure is substantially L-shaped, and each of the first frame member and the second frame member includes a first portion and a second portion interconnected, and the carrier is sandwiched between the first portion of the first frame member and Between the first portions of the second frame member. The liquid crystal display of claim 103, wherein the central region has a width of less than or equal to 1 mm. The liquid crystal display of claim 103, wherein the light guide plate is interposed between the second portion of the first frame member and the second portion of the second frame member. The liquid crystal display of claim 105, wherein the backlight module further comprises at least one reflective sheet interposed between the light guide plate and the second portion of the first frame member. The liquid crystal display of claim 106, wherein the backlight module further comprises at least another reflective sheet interposed between the second portion of the second frame member and the light emitting unit. The liquid crystal display of claim 103, wherein the backlight module further comprises at least two buffer members, and the buffer members are respectively disposed on the plane of the carrier and the first portion of the second frame member. Between and between the other plane of the carrier and the first portion of the first frame member. The liquid crystal display of claim 103, wherein the first frame member is a metal frame. The liquid crystal display of claim 109, wherein the backlight module further comprises at least one elastic clip for clamping the first frame member, the carrier and the second frame member. The liquid crystal display of claim 110, further comprising at least one carrier and a buffer member, wherein the carrier is interposed between the liquid crystal panel and the second portion of the second frame member, and the buffer The piece is between the side of the liquid crystal panel and the first portion of the second frame member. The liquid crystal display according to claim 111, further comprising at least a front frame, wherein the front frame is disposed on a periphery of the liquid crystal panel and the buffer member, and is located on an outer side of the first frame member. A liquid crystal display includes at least: a liquid crystal panel; and a backlight module disposed on the back of the liquid crystal panel, wherein the backlight module comprises at least: a light guide plate having a light incident surface, the light entrance mask having a center a region, and the light entrance mask has an upper side and a lower side, and a distance between the upper side and the lower side is a width of the light incident surface; A light source module includes: a carrier plate having a plane, and an upper end and a lower end, wherein a distance between the upper end and the lower end is a width of the carrier, wherein the width of the carrier is greater than the input The light-emitting unit is disposed on the plane of the carrier; wherein the light-emitting unit further has a light-emitting center, and the light-emitting center emits light in a light-emitting direction to the central area, and the light-emitting direction is substantially a plane of the first frame member, wherein the plane of the carrier plate is attached to one surface of the first frame member, the first frame member is a metal frame; a second frame member, wherein the carrier plate is sandwiched between the first frame member and the second frame member; and a third frame member is disposed on the first frame member and the second frame member The third frame member is formed by interconnecting one of the first L-shaped structure and the second L-shaped structure, wherein the cross-sectional structure of the first frame member and the second frame member is substantially L-shaped, and each of the Frame element The second frame member, the first L-shaped structure and the second L-shaped structure include a first portion and a second portion interconnected, wherein the second portion of the first L-shaped structure and the second L-shaped portion a top end of the first portion of the structure is connected, and an accommodating space is formed between the first portion of the first L-shaped structure and the first portion of the second L-shaped structure, the carrier plate, the first frame member The first portion and the first portion of the second frame member are interposed in the accommodating space. The liquid crystal display of claim 113, wherein the second portion of the second L-shaped structure is between the liquid crystal panel and the second portion of the second frame member, and the second L-shaped The first portion of the structure is between the side of the liquid crystal panel and the first portion of the second frame member. The liquid crystal display of claim 113, wherein the third frame component is a plastic frame. A liquid crystal display includes at least: a liquid crystal panel; and a backlight module disposed on the back of the liquid crystal panel, wherein the backlight module comprises at least: a light guide plate having a light incident surface, the light entrance mask having a center And the light-receiving mask has an upper side and a lower side, and a distance between the upper side and the lower side is a width of the light-incident surface; a light source module comprising: a carrier board having a plane, and An upper end and a lower end, wherein a distance between the upper end and the lower end is a width of the carrier, wherein the width of the carrier is greater than the width of the light incident surface; and an illumination unit is disposed on the carrier On the plane; Wherein, the light-emitting unit further has a light-emitting center, the light-emitting center emitting light to the central area along a light-emitting direction, the light-emitting direction being substantially perpendicular to the plane of the carrier, a first frame component, wherein the carrier plate is opposite a further plane of the plane is attached to a surface of the first frame member; and a second frame member, wherein the carrier is sandwiched between the first frame member and the second frame member, wherein the first A cross-sectional structure of a frame member is L-shaped, and the second frame member includes a first L-shaped structure and a second L-shaped structure interconnected, wherein each of the first frame member and the first L-shaped structure The second L-shaped structure includes a first portion and a second portion interconnected, wherein the second portion of the first L-shaped structure is connected to the top end of the first portion of the second L-shaped structure, and An accommodating space is formed between the first portion of the L-shaped structure and the first portion of the second L-shaped structure, and the carrier plate and the first portion of the first frame member are interposed in the accommodating space. The liquid crystal display of claim 116, wherein the backlight module further comprises at least two buffer members, and the buffer members are respectively disposed on the plane of the carrier and the second L-shaped structure. Between a portion, and the other plane of the carrier and the first portion of the first frame member. For example, the liquid crystal display described in claim 116, The light guide plate is interposed between the second portion of the first frame member and the second portion of the second L-shaped structure. The liquid crystal display of claim 118, wherein the backlight module further comprises at least two reflective sheets interposed between the light guide plate and the second portion of the first frame member, and the second L-shaped The second portion of the structure is between the light emitting unit. The liquid crystal display according to claim 116, wherein the first frame member is a metal frame, and the second frame member is a plastic frame. The liquid crystal display of claim 116, wherein the second portion of the second L-shaped structure is interposed between the light guide plate and the liquid crystal panel. The liquid crystal display of claim 116, wherein the light emitting unit is a light emitting diode. The liquid crystal display of claim 116, wherein the backlight module further comprises at least one optical film disposed on the light guide plate. The liquid crystal display of claim 116, wherein the width of the carrier is greater than the thickness of the light guide plate, but smaller than the liquid crystal The total thickness of the combination of the panel and the backlight module. A liquid crystal display includes at least: a liquid crystal panel; and a backlight module disposed on the back of the liquid crystal panel, wherein the backlight module comprises at least: a light guide plate having a light incident surface, the light entrance mask having a center And the light-receiving mask has an upper side and a lower side, and a distance between the upper side and the lower side is a width of the light-incident surface; a light source module comprising: a carrier board having a plane, and An upper end and a lower end, wherein a distance between the upper end and the lower end is a width of the carrier, wherein the width of the carrier is greater than the width of the light incident surface; and an illumination unit is disposed on the carrier The light-emitting unit further has an illuminating center, the illuminating center emitting light to the central area along a light-emitting direction, the light-emitting direction being substantially perpendicular to the plane of the carrier, a first frame component, including At least one opening, wherein the light emitting unit is disposed in the opening, and a light emitting surface of the light emitting unit passes through the opening to face the light incident surface of the light guide plate; and a second frame member, wherein the light The first module is disposed in the frame member of the second frame member, wherein each of the first frame member and the cross-sectional structure of the second frame element as a substantial ㄈ shaped structure, and each of the first frame element And the second frame member includes a first portion, a second portion and a third portion sequentially connected, wherein the carrier is interposed between the second portion of the first frame member and the second frame member Between the two parts. The liquid crystal display of claim 125, wherein a distance between the plane of the carrier and the second portion of the first frame member is less than or equal to the light exiting surface of the light emitting unit to the carrier The distance of the plane is increased by 0.5 mm. The liquid crystal display of claim 125, wherein the light guide plate is interposed between the first portion and the third portion of the first frame member. The liquid crystal display of claim 127, wherein the backlight module further comprises at least one reflective sheet interposed between the light guide plate and the third portion of the first frame member. The liquid crystal display according to claim 127, further comprising a front frame disposed on an outer edge of the liquid crystal panel and located on an outer side of the second frame member and engaged with the second frame member. The liquid crystal display of claim 129, further comprising at least one carrier between the first portion of the first frame member and the first portion of the second frame member, and interposed between the liquid crystal panel Between the side and the carrier. The liquid crystal display of claim 130, wherein the first frame component is a light source protection frame, and the second frame component is a metal frame. The liquid crystal display of claim 130, wherein each of the first frame member and the second frame member is a metal frame. The liquid crystal display of claim 130, wherein the first frame component is a light source protection frame, and the second frame component is a metal frame. The liquid crystal display of claim 129, further comprising at least one carrier and a buffer member between the first portion of the first frame member and the bottom surface of the liquid crystal panel, and between the liquid crystal panel The side is between the first portion of the first frame member. The liquid crystal display of claim 125, wherein the light guide plate is interposed between the first portion of the first frame member and the third portion of the second frame member. The liquid crystal display of claim 135, wherein the backlight module further comprises at least one reflective sheet sandwiched between the light guide plate and Between the third portions of the second frame member. The liquid crystal display of claim 135, wherein the first frame component is a plastic frame, and the second frame component is a metal frame. The liquid crystal display of claim 135, further comprising a front frame disposed on an outer edge of the liquid crystal panel, the first frame member and the second frame member, and located on an outer side of the second frame member And engaging with the second frame member.