KR20120054939A - Liquid crystal display device - Google Patents

Abstract

PURPOSE: A liquid crystal display device is provided to prevent unnecessary processing costs. CONSTITUTION: A liquid crystal panel(110) is mounted on a backlight unit. A support main(130) is coupled with a cover bottom. The support main is made of a vertical portion. The support main surrounds edges of the liquid crystal panel and the backlight unit. A plurality of panel pins(200) support a part of edges of the liquid crystal panel. The panel fins are coupled with the support main. At least two panel pins are separated at a fixed interval along with one edge of the liquid crystal panel.

Description

[0001] Liquid crystal display device [0002]

The present invention relates to a liquid crystal display device, and more particularly, to a liquid crystal display device capable of light weight and thinness.

Liquid crystal display devices (LCDs), which are used for TVs and monitors due to their high contrast ratio and are advantageous for displaying moving images, are characterized by optical anisotropy and polarization of liquid crystals. The principle of image implementation by

Such a liquid crystal display is an essential component of a liquid crystal panel bonded through a liquid crystal layer between two side-by-side substrates, and realizes a difference in transmittance by changing an arrangement direction of liquid crystal molecules with an electric field in the liquid crystal panel. do.

However, since the liquid crystal panel does not have its own light emitting element, a separate light source is required in order to display the difference in transmittance as an image. To this end, a backlight including a light source is disposed on the back of the liquid crystal panel.

Here, a cold cathode fluorescent lamp (CCFL), an external electrode fluorescent lamp, and a light emitting diode (LED) are used as a light source of the backlight unit. .

Among them, LEDs are particularly widely used as light sources for displays with features such as small size, low power consumption, and high reliability.

1 is a cross-sectional view of a liquid crystal display device using a general LED as a light source.

As illustrated, a general liquid crystal display device includes a liquid crystal panel 10, a backlight unit 20, a support main 30, a cover bottom 50, and a top cover 40.

The liquid crystal panel 10 is a part that plays a key role in image expression and is composed of first and second substrates 12 and 14 bonded to each other with a liquid crystal layer interposed therebetween.

The backlight unit 20 is provided behind the liquid crystal panel 10.

The backlight unit 20 includes an LED assembly 29 arranged along at least one edge length direction of the support main 30, a white or silver reflecting plate 25 seated on the cover bottom 50, and a reflecting plate ( A light guide plate 23 seated on 25 and a plurality of optical sheets 21 interposed thereon.

At this time, the LED assembly 29 is configured on one side of the light guide plate 23, and the plurality of LEDs 29a emitting white light and the LED PCB (printed circuit board: 29b, hereinafter, PCB) is mounted on which the LED 29a is mounted. ).

The liquid crystal panel 10 and the backlight unit 20 have a top cover 40 surrounding the top edge of the liquid crystal panel 10 and a back surface of the backlight unit 20 in a state where the edges are surrounded by the support main 30 having a rectangular frame shape. Cover cover 50 to cover each is coupled in front and rear are integrated through the support main 30 as a medium.

In this case, the top cover 40 is a rectangular frame having a cross section bent in a shape of “a” so as to cover the top and side edges of the liquid crystal panel 110, and opens the front surface of the top cover 40 to open the liquid crystal panel 10. Configure to display the image implemented in the.

In addition, reference numerals 19a and 19b denote polarizers attached to the front and rear surfaces of the liquid crystal panel 10 to control the polarization direction of light, respectively.

On the other hand, the liquid crystal display device has recently been widely used, such as a desktop computer monitor and a wall-mounted television, as well as a portable computer. It is actively underway.

However, despite efforts to manufacture a liquid crystal display device in a light weight and a thin shape, there are too many components constituting the liquid crystal display device, which hinders the thinness and light weight of the liquid crystal display device.

In particular, unnecessary process cost by the top cover 40 is increased a lot.

That is, the top cover 40 cuts the metal plate to a certain size of a rectangular shape, forms a rectangular opening surface inside the cut metal plate, and then bands the cross section to form an "a" shape. And it is formed by drawing (processing), in this case, in order to form the opening surface of the top cover 40, since the metal plate of a relatively large area must be removed after cutting, unnecessary material cost is increased.

The present invention has been made to solve the above problems, and a first object of the present invention is to provide a thin and lightweight liquid crystal display device.

In addition, the second object of the present invention is to prevent unnecessary process cost of the liquid crystal display device, and to reduce the process cost of the liquid crystal display device.

In order to achieve the object as described above, the present invention is covered covertum; A backlight unit seated on the cover bottom; A liquid crystal panel seated on the backlight unit; A support main assembly assembled with the cover bottom and having a vertical portion and covering an edge of the backlight unit and the liquid crystal panel; A plurality of panel pins which support a portion of an upper surface of the edge of the liquid crystal panel and are assembled and fastened to the support main, wherein each of the plurality of panel pins comprises a first part and a second part perpendicular to the first part and the second part; And a third portion perpendicular to the portion and parallel to the first portion and facing each other, wherein the vertical portion corresponds to each of the plurality of panel pins, and the through hole and the third portion through which the first portion is inserted. The present invention provides a liquid crystal display device having a coupling groove which is assembled and fastened.

In this case, the plurality of panel pins are positioned along at least two intervals along one edge of the liquid crystal panel, and the vertical portion protrudes higher than the liquid crystal panel, and the through hole protrudes higher than the liquid crystal panel. Is provided in the area.

In addition, the first portion is formed longer than the width of the vertical portion, and supports a portion of the edge of the liquid crystal panel through the first portion, the end of the third portion is provided with a locking end, the coupling groove The locking step corresponding to the locking end is provided.

The locking end is bent vertically from the end of the third part toward the first part, tapered toward the end of the third part, and the coupling groove corresponds to the length of the third part. The coupling groove corresponds to the length of the third portion, and the size of the coupling groove is 1.1 to 1.2 times larger than the outer diameter of the locking end, and the locking end is in the process of passing through the coupling groove. The outer surface of is in close contact with the inner surface of the coupling groove.

Here, the third portion is formed with a length of less than 1/2 of the width of the vertical portion, the panel pin is made of a metal material or a plastic material.

The support main includes a protrusion formed inside the vertical portion, the liquid crystal panel is mounted on the protrusion, and the backlight unit includes a reflector, a light guide plate positioned on the reflector, and a plurality of optical sheets interposed on the light guide plate. And a light source positioned at one side of the light guide plate.

In addition, the backlight unit may include a reflector, a light source arranged in parallel on the reflector, and a plurality of optical sheets interposed on the light source.

As described above, according to the present invention, by providing a plurality of panel pins assembled and fastened with the support main along the edge of the liquid crystal panel and supporting a part of the upper edge of the liquid crystal panel, the light weight and thinness of the existing top cover are eliminated. There is an effect that can provide a liquid crystal display device.

In addition, there is an effect of simplifying and reassembling the process, and by removing the top cover, there is an effect of reducing the process cost.

1 is a cross-sectional view of a liquid crystal display device using a general LED as a light source.
2 is an exploded perspective view schematically illustrating a liquid crystal display according to an exemplary embodiment of the present invention.
Figure 3 is a perspective view schematically showing the structure of a panel pin according to an embodiment of the present invention.
4A to 4C are perspective views schematically showing various structures of panel pins according to an embodiment of the present invention.
FIG. 5 is a schematic cross-sectional view of a partial cross section of FIG. 2 modularized; FIG.
6 is an enlarged cross-sectional view of a portion of FIG. 5;

Hereinafter, embodiments according to the present invention will be described in detail with reference to the drawings.

2 is an exploded perspective view schematically illustrating a liquid crystal display according to an exemplary embodiment of the present invention.

As shown, the liquid crystal display device includes a liquid crystal panel 110, a backlight unit 120, a support main 130, a cover bottom 150, and a plurality of modules for modularizing the liquid crystal panel 110 and the backlight unit 120. The panel pin 200 is configured.

Looking at each of them in more detail, the liquid crystal panel 110 plays a key role in image expression, and the first substrate 112 and the second substrate 114 bonded to each other with the liquid crystal layer interposed therebetween. Include.

At this time, although not shown in the drawings under the premise of an active matrix method, a plurality of gate lines and data lines intersect each other and a pixel is defined on an inner surface of the first substrate 112, which is commonly referred to as a lower substrate or an array substrate. Thin film transistors (TFTs) are provided at each intersection to correspond one-to-one to the transparent pixel electrodes formed in each pixel.

An inner surface of the second substrate 114, called an upper substrate or a color filter substrate, may correspond to each pixel, for example, a color filter of red (R), green (G), and blue (B) color, and these. A black matrix is provided covering each of the gate lines, the data lines, and the thin film transistors. In addition, a transparent common electrode covering the red (R), green (G), and blue (B) colors and the black matrix is provided.

A polarizer (not shown) for selectively transmitting only specific light is attached to the outer surfaces of the first and second substrates 112 and 114, respectively.

Along the at least one edge of the liquid crystal panel 110, the printed circuit board 117 is connected through a connecting member 116 such as a flexible circuit board or a tape carrier package (TCP) to support the modularization process. The side surface of the main 130 or the cover bottom 150 is properly folded to be in close contact.

When the thin film transistor selected for each gate line is turned on by the on / off signal of the gate driver circuit, the liquid crystal panel 110 transmits the signal voltage of the data driver circuit to the corresponding pixel electrode through the data line. The arrangement direction of the liquid crystal molecules is changed by the electric field between the pixel electrode and the common electrode, indicating a difference in transmittance.

In addition, the liquid crystal display according to the present invention is provided with a backlight unit 120 for supplying light from its rear surface such that the difference in transmittance of the liquid crystal panel 110 is expressed to the outside.

The backlight unit 120 includes an LED assembly 129, a white or silver reflecting plate 125, a light guide plate 123 seated on the reflecting plate 125, and an optical sheet 121 interposed thereon. .

The LED assembly 129 is located at one side of the light guide plate 123 to face the light incident surface of the light guide plate 123, and the LED assembly 129 has a plurality of LEDs 129a and a plurality of LEDs 129a at regular intervals. It includes a PCB (129b) to be spaced apart.

Here, the LED 129a may be a light source. In addition to the LED 129a, a fluorescent lamp such as a cold cathode fluorescent lamp or an external electrode fluorescent lamp may be used.

At this time, the plurality of LEDs 129a include LED chips (not shown) which emit all of the colors of RGB or emit white, and emit white light toward the light incident surface of the light guide plate 123. On the other hand, the plurality of LEDs (129a) emits light having a color of red (R), green (G), blue (B), respectively, by lighting the plurality of RGB LEDs (129a) at once to produce white light by color mixing It can also be implemented.

The light guide plate 123 into which the light emitted from the plurality of LEDs 129a is incident is spread evenly to a large area of the light guide plate 123 while the light incident from the LED 129a propagates through the light guide plate 123 by a plurality of total reflections. The surface light source is provided to the liquid crystal panel 110.

The light guide plate 123 may include a pattern of a specific shape on the rear surface to supply a uniform surface light source.

Here, the pattern may be configured in various ways, such as an elliptical pattern, a polygon pattern, a hologram pattern, and the like to guide the light incident into the light guide plate 123. The pattern is formed on the lower surface of the light guide plate 123 by a printing method or an injection method.

The reflective plate 125 is positioned on the rear surface of the light guide plate 123, and reflects light passing through the rear surface of the light guide plate 123 toward the liquid crystal panel 110 to improve the brightness of the light.

The optical sheet 121 on the light guide plate 123 includes a diffusion sheet and at least one light collecting sheet, and diffuses or collects light passing through the light guide plate 123 to provide a more uniform surface light source to the liquid crystal panel 110. Make it incident.

The liquid crystal panel 110 and the backlight unit 120 are modularized through the support main 130, the cover bottom 150, and a plurality of panel pins 200. The cover bottom 150 is formed on the back of the backlight unit 120. The horizontal surface 151 being in close contact with the edge 153 is vertically bent upwardly.

The support main 130 having a rectangular frame shape formed of a vertical part 131 mounted on the cover bottom 150 and covering the edge of the liquid crystal panel 110 and the backlight unit 120 is coupled with the cover bottom 150. do.

In addition, a plurality of panel pins 200 are disposed at regular intervals along the edges of the liquid crystal panel 110, and each panel pin 200 covers only a portion of the upper surface of the four edges of the liquid crystal panel 110. Opening the front of the 110 to display an image implemented in the liquid crystal panel 110.

The plurality of panel pins 200 extend outside the vertical portion 131 of the support main 130 to be assembled and fastened with the support main 130.

At this time, the vertical part 131 of the support main 130 has a through hole 135 and a coupling groove 137 for assembling and fastening the plurality of panel pins 200.

Therefore, the plurality of panel pins 200, the support main 130, and the cover bottom 150 coupled with the support main 130 are all modularized.

That is, the edge of the liquid crystal panel 110 and the backlight unit 120 of the present invention is surrounded by the vertical portion 131 of the support main 130, and the detachment of the backlight unit 120 is performed through the cover bottom 150. Will be prevented.

In addition, the plurality of panel pins 200 cover a part of the upper surface of the four edges of the liquid crystal panel 110 to prevent detachment of the liquid crystal panel 110.

This is because a plurality of panel pins 200 replace the original role of the existing top cover (40 of FIG. 1), and thus, the liquid crystal display device can be lighter and thinner by removing the top cover (40 of FIG. 1). Simplifying and reassembling the process has an easy effect.

In addition, due to the removal of the top cover (40 in Figure 1), it is possible to reduce the process cost.

In this case, the support main 130 may be referred to as a guide panel or a main support, a mold frame, and the cover bottom 150 may be referred to as a bottom cover or a lower cover.

3 is a perspective view schematically showing the structure of a panel pin according to an embodiment of the present invention.

As shown, the panel pin 200 is perpendicular to the first portion 210 and the second portion 220 and the second portion 220 perpendicular to the first portion 210 and the first portion 210. It consists of a third portion 230 facing each other horizontally, the end of the third portion 230 is a locking end 240 is configured.

Here, the first portion 210 covers a portion of the upper surface of the edge of the liquid crystal panel (110 in FIG. 2), and the third portion 230 is a vertical portion (131 in FIG. 2) of the support main (130 in FIG. 2). It is assembled and fastened to serve to fix the panel pin 200.

The locking end 240 serves to assemble and fasten the panel pin 200 and the support main (130 of FIG. 2), and has a shape that is vertically bent toward the first part 210 and the third part 230. Toward the end of the tapered shape.

This, the locking end 240 is to form a hook (hook) shape.

Thus, a through hole (135 in FIG. 2) through which the first portion 210 is inserted is formed in the vertical portion (131 in FIG. 2) of the support main (130 in FIG. 2), and the support main (FIG. 2 in FIG. 2). A coupling groove (137 of FIG. 2) is formed in the vertical portion (131 of FIG. 2) of the 130 to which the third portion 230 is fitted.

At this time, the engaging groove (not shown) is formed in the engaging groove (137 of FIG. 2) is supported by the engaging end 240.

That is, by fitting the third portion 230 of the panel pin 200 to the coupling groove (137 of FIG. 2) of the support main (130 of FIG. 2), the panel pin 200 is supported by the support main (130 of FIG. 2). ) And the first part 210 penetrates the through hole (133 in FIG. 2) of the support main (130 in FIG. 2) to cover a portion of the upper surface of the edge of the liquid crystal panel (110 in FIG. 2). The desorption of the liquid crystal panel 110 of FIG. 2 is prevented.

Therefore, the panel pin 200 has a first portion 210 is formed longer than the third portion 230, the length (H1) of the first portion 210 is perpendicular to the support main (130 of FIG. 2) It is formed longer than the width of the portion (131 of FIG. 2), the length (H2) of the third portion 230 is formed shorter than the width of the vertical portion (131 of FIG. 2) of the support main (130 of FIG. .

That is, the length H1 of the first portion 210 is about 1.5 times longer than the width of the vertical portion (131 of FIG. 2) of the support main (130 of FIG. 2), and the length H1 of the third portion 230. The length H2 is preferably configured to have a length of 1/2 or less than the width of the vertical portion (131 in FIG. 2) of the support main (130 in FIG. 2).

The panel pin 200 may be made of a metal material, or may be made of a mold made of the same plastic material as the support main (130 of FIG. 2).

Here, since the locking end 240 is formed in a tapered shape, a process of inserting the locking end 240 into the coupling groove (137 of FIG. 2) of the support main (130 of FIG. 2) may be more easily performed. .

In this case, the first portion 210 of the panel pin 200 may be formed in various forms as shown in Figures 4a to 4c.

That is, as shown in FIG. 4A, the width of the first portion 210 of the panel pin 200 toward the center of the display area may be reduced or may be curved as illustrated in FIG. 4B.

In addition, as illustrated in FIG. 4C, the first portion 210 may be opened.

FIG. 5 is a schematic cross-sectional view of a partial cross section of FIG. 2 modularized, and FIG. 6 is an enlarged cross-sectional view of a portion of FIG. 5.

As illustrated, the reflective plate 125, the light guide plate 123, the LED assembly 129 provided on one side of the light guide plate 123, and the optical sheets 121 are stacked on the light guide plate 123 to form a backlight unit ( 120).

In addition, the liquid crystal panel 110 having a liquid crystal layer (not shown) is disposed between the backlight unit 120 and the first and second substrates 112 and 114 and the first and second substrates 112 and 114. On each of the outer surfaces of the 112 and 114, polarizing plates 119a and 119b for selectively transmitting only specific light are attached.

The backlight unit 120 and the liquid crystal panel 110 have an edge surrounded by the support main 130, and a cover bottom 150 formed of a horizontal surface 151 and a side surface 153 is coupled to the back surface thereof.

The first part 210 covering a part of the upper edge of the liquid crystal panel 110, the second part 220 perpendicular to the first part 210, and the first part 210 perpendicular to the second part 220. ) And a plurality of panel pins 200 formed of a third portion 230 facing each other horizontally with the support main 130.

In this case, the support main 130 protrudes vertically into the vertical part 131 and the vertical part 131 having a rectangular frame shape having a predetermined thickness covering the edges of the liquid crystal panel 110 and the backlight unit 120. The protrusion 133 may be configured to distinguish the positions of the liquid crystal panel 110 and the backlight unit 120.

Accordingly, the liquid crystal panel 110 is seated and supported on the protrusion 133, and the liquid crystal panel 110 and the backlight unit 120 are surrounded by edges by the vertical portion 131.

Here, the vertical portion 131 of the support main 130 is formed to protrude higher than the liquid crystal panel 110 in order to prevent horizontal flow of the liquid crystal panel 110 mounted on the protrusion 133.

Therefore, the liquid crystal panel 110 is prevented from horizontal flow by the vertical portion 131 of the support main 130, thereby preventing the flow in the -X and + X axis directions defined in the drawing, and also the liquid crystal panel ( 110 is prevented in the -Y-axis direction defined in the drawings by the protrusion 133 of the support main 130.

In this case, a through hole 135 through which the first portion 210 of the panel pin 200 is inserted is formed in the vertical portion 131 protruding higher than the liquid crystal panel 110, and the lower portion of the through hole 135 is formed. The coupling groove 137 to which the third portion 230 of the panel pin 200 is fitted is formed.

Therefore, the liquid crystal panel 110 is seated on the protrusion 133 of the support main 130, and then the first portion 210 and the third portion 230 of the panel pin 200 pass through the support main 130. By fitting pressure to the 135 and the coupling groove 137, and is fastened to each other by fitting.

At this time, the size of the through hole 135 is configured to have a size that can be inserted while the outer surface of the first portion 210 of the panel pin 200 abuts, the coupling groove 137 is a third portion ( The locking end 240 of 230 is configured to have a size that is tightly inserted.

That is, the coupling groove 137 is formed about 1.1 to 1.2 times larger than the outer diameter of the locking end 240 of the third portion 230, so that the locking end 240 passes through the coupling groove 137. It is to be inserted in close contact with the inner surface of the coupling groove (137).

At this time, the locking step 139 is provided on the inner side of the coupling groove 137, the locking end 240 provided at the end of the third portion 230 of the panel pin 200 is like the coupling groove 137. After passing through, it is caught and supported by the locking step 139 of the coupling groove 137.

Therefore, the third portion 230 of the panel pin 200 is assembled and fastened to the coupling groove 137 of the support main 130, thereby fixing the position of the panel pin 200, and simultaneously supporting the panel pin 200 and the support. The main 130 is assembled and fastened.

In addition, since the first portion 210 of the panel pin 200 has a length H1 of about 1.5 times or more than the width h of the vertical portion 131 of the support main 130, the panel pin 200 The first portion 210 passes through the through hole 135 of the support main 130 to support the top edge of the liquid crystal panel 110.

In this case, the upper edge of the liquid crystal panel 110 supported by the first portion 210 is a non-display area, and the entire display area of the liquid crystal panel 110 is opened to display an image implemented in the liquid crystal panel 110. Configure.

Accordingly, the panel pin 200 is completely blocked by the flow in the X-axis direction and the Y-axis direction defined in the drawing, and the liquid crystal panel 110 also flows in the + Y-axis direction through the panel pin 200. This is prevented and the desorption of the liquid crystal panel 110 in the + Y axis direction is prevented.

That is, the liquid crystal panel 110 includes -X, + X,-defined by the first portion 210 of the panel pin 200, the vertical portion 131 of the support main 130, and the protrusion 133. Since the flow is prevented in both the Y and + Y directions, the liquid crystal panel 110 can be prevented from being distorted or lifted by an external impact while being mounted on the protrusion 133 of the support main 130. do.

Therefore, the panel pin 200 of the present invention is to replace the original role of the existing top cover (40 in FIG. 1).

Through this, it is possible to delete the top cover (40 in Figure 1), it is possible to thin the liquid crystal display module through the deletion of the top cover (40 in Figure 1), to simplify the process and bring about the effect of easy reassembly. do.

In addition, due to the removal of the top cover (40 in Figure 1), it is possible to reduce the process cost.

Here, the number of the panel pins 200 is not limited as long as at least two of the panel pins 200 are provided at the edge of the liquid crystal panel 110 in order to strengthen the coupling force of the modular liquid crystal display device. Therefore, the number and location of the panel pins 200 can be linked.

As described above, the liquid crystal display of the present invention is assembled with the support main 130 along the edge of the liquid crystal panel 110 and a plurality of panel pins 200 supporting a part of the upper edge of the liquid crystal panel 110. In this case, the liquid crystal display module can be made thin by eliminating the existing top cover (40 of FIG. 1), and the effect of simplifying and reassembling the process is brought.

In addition, due to the removal of the top cover (40 in Figure 1), it is possible to reduce the process cost.

Meanwhile, in the above description, the backlight unit 120 is commonly referred to as a side light method, and according to the purpose, a plurality of LEDs 129a may be arranged on the PCB 129b, and the LED assembly 129 may be used. It is also possible to be located on both sides of the light guide plate 123 facing each other.

In addition, in the above description, for convenience, a side light method is used as a liquid crystal display device in which a plurality of panel pins 200 according to the present invention can be used. However, this may be applied to a direct type method. In the deleted state, a plurality of LED assemblies 129 may be configured on the reflector plate 125.

The present invention is not limited to the above embodiments, and various modifications can be made without departing from the spirit of the present invention.

110: liquid crystal panel 112: first substrate, 114: second substrate
119a and 119b: first and second polarizing plates
121: optical sheet, 123: light guide plate, 125: reflector plate,
129: LED assembly (129a: LED, 129b: PCB)
130: support main (131: vertical portion, 133: protrusion, 135: through hole, 137: coupling groove, 139: coupling jaw), 140: top cover
150: cover bottom (151: horizontal plane, 153: side)
200: panel pin (210: first part, 220: second part, 230: third part, 240: locking end)

Claims (12)

Covertum;
A backlight unit seated on the cover bottom;
A liquid crystal panel seated on the backlight unit;
A support main assembly assembled with the cover bottom and having a vertical portion and covering an edge of the backlight unit and the liquid crystal panel;
A plurality of panel pins which support a portion of the upper surface of the edge of the liquid crystal panel and are assembled and fastened with the support main
Each of the plurality of panel pins includes a first portion, a second portion perpendicular to the first portion, and a third portion perpendicular to the second portion and parallel to the first portion and facing each other. And a through-hole corresponding to each of the plurality of panel pins in the vertical portion, and a through hole into which the first portion is inserted and a coupling groove assembled into the third portion.
The method of claim 1,
The plurality of panel pins are located at least two spaced apart a predetermined interval along one edge of the liquid crystal panel.
The method of claim 1,
The vertical portion protrudes upwardly higher than the liquid crystal panel, and the through hole is provided in an area protruding upwardly higher than the liquid crystal panel.
The method of claim 3, wherein
And the first portion is formed to be longer than the width of the vertical portion to support a portion of an edge of the liquid crystal panel through the first portion.
The method of claim 1,
A locking end is provided at an end of the third portion, and a locking step corresponding to the locking end is provided in the coupling groove.
The method of claim 5, wherein
The locking end is bent vertically from the end of the third portion toward the first portion, and has a tapered shape toward the end of the third portion.
The method according to claim 6,
The coupling groove corresponds to the length of the third portion, the size of the coupling groove is 1.1 ~ 1.2 times larger than the outer diameter of the locking end, the locking end of the locking end in the process of passing through the coupling groove The outer surface is in close contact with the inner surface of the coupling groove.
The method of claim 7, wherein
And the third portion is formed to have a length of 1/2 or less than a width of the vertical portion.
The method of claim 1,
The panel pin is formed of a metal material or a plastic material.
The method of claim 1,
The support main includes a protrusion formed inside the vertical portion, and the liquid crystal panel is mounted on the protrusion.
The method of claim 1,
The backlight unit includes a reflective plate, a light guide plate positioned on the reflective plate, a plurality of optical sheets interposed on the light guide plate, and a light source positioned at one side of the light guide plate.
The method of claim 1,
The backlight unit includes a reflective plate, a light source arranged in parallel on the reflective plate, and a plurality of optical sheets interposed on the light source.

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