CN111312087A - Splicing screen connecting structure and display device - Google Patents
Splicing screen connecting structure and display device Download PDFInfo
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- CN111312087A CN111312087A CN202010248270.XA CN202010248270A CN111312087A CN 111312087 A CN111312087 A CN 111312087A CN 202010248270 A CN202010248270 A CN 202010248270A CN 111312087 A CN111312087 A CN 111312087A
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- guide plate
- light guide
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
- G09F9/3026—Video wall, i.e. stackable semiconductor matrix display modules
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
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Abstract
The invention provides a splicing screen connecting structure and a display device. The display device comprises a spliced screen connecting structure, wherein the spliced screen connecting structure is arranged at the joint of two spliced screens and comprises a light guide plate and a reflector; the light guide plate is positioned on one side of the light emitting surface of the spliced screen; the light guide plate is arranged on one side of the light emitting surface, which deviates from the spliced screen, of the light guide plate, and the light reflecting plate is used for reflecting light rays which pass through the light guide plate. According to the invention, the splicing screen connecting structure is arranged at the joint of the two splicing screens and used for reflecting light rays passing through the light guide plate, so that dark lines at the splicing joint are avoided, the diffuse reflection layer is further arranged for scattering the light rays, so that bright lines are avoided when the light rays are reflected, the light rays emitted at the splicing joint are emitted from all angles through diffuse reflection, optical seamless splicing is realized by utilizing optical coverage, and the visual experience is improved.
Description
Technical Field
The invention relates to the field of display, in particular to a splicing screen connecting structure and a display device.
Background
A Liquid Crystal Display (LCD) is a Flat Panel Display (FPD) that displays images by using the characteristics of Liquid Crystal materials, and has the advantages of lightness, thinness, low driving voltage, low power consumption, and the like.
The liquid crystal material of the liquid crystal display cannot emit light autonomously, and a backlight module is required to provide the required light source. Generally, the backlight module can be divided into two types, i.e. a side-type backlight module and a direct-type backlight module: the direct type backlight module needs to have a certain light mixing distance, so the thickness of the liquid crystal display adopting the direct type backlight module is not ideal: the side-in backlight module emits light from the side of the light guide plate without the problem of light mixing distance, so the side-in backlight module is generally adopted in the prior art based on the consideration of thinning of the liquid crystal display.
At present, the industry can manufacture small-size display devices such as mobile phone screens in one-step molding mode, the size of the equipment is limited, and the large size of the spliced screen with the medium and large sizes can be realized only by adopting a multi-screen splicing mode.
The current large-medium size spliced screen has the following problems: the splicing part is warped and uneven, the splicing part is broken, the light is cut off, the splicing part is cut off, and the black edge is cut off, so that the dark line appears. These problems can often be covered by large optical mixing spaces (OD). However, as the thickness of the display screen is thinner and thinner, the reserved light mixing space is more limited, so that dark lines appear at seams, and a dark shadow is formed at each seam, so that the seams are visible, the brightness of the display device is uneven, and the visual experience is reduced.
Disclosure of Invention
The invention aims to provide a spliced screen connecting structure and a display device, and solves the problems that dark lines appear at spliced seams of a large-size spliced screen due to uneven light mixing, dark shadows are formed at each seam, the seams are visible, and the brightness of the display device is uneven.
In order to achieve the above object, the present invention provides a splicing screen connecting structure, which is arranged at a seam between two splicing screens, and comprises a light guide plate and a light reflecting plate; the light guide plate is positioned on one side of the light emitting surface of the spliced screen; the reflector is arranged on one side of the light guide plate, which deviates from the light emergent surface of the spliced screen, and is used for reflecting light rays passing through the light guide plate.
Furthermore, the spliced screen connecting structure further comprises a diffuse reflection layer which is arranged on one side of the light guide plate, which faces the light emergent surface of the spliced screen.
Further, the diffuse reflection layer has a concave-convex diffuse reflection surface for scattering light.
Furthermore, the diffuse reflection layer is arranged on the surface of the light guide plate on the side far away from the reflector, and the diffuse reflection layer and the light guide plate are integrally arranged.
Further, the diffuse reflection layer comprises acrylic acid.
Further, the length of the reflector along the extending direction of the seam is equal to the length of the light guide plate along the extending direction of the seam, and the length of the reflector perpendicular to the extending direction of the seam is smaller than the length of the light guide plate perpendicular to the extending direction of the seam.
Further, the splicing screen connecting structure further comprises an optical adhesive layer, and the optical adhesive layer is arranged between the light guide plate and the reflector.
The invention also provides a display device which comprises the spliced screen connecting structure.
Furthermore, the display device also comprises a first spliced screen and a second spliced screen; the first spliced screen is provided with a first display panel and a first backlight module; the second spliced screen is provided with a second display panel and a second backlight module; the spliced screen connecting structure is arranged at the joint of the first spliced screen and the second spliced screen; the reflector is arranged between the first backlight module and the second backlight module; one end of the light guide plate is arranged between the first display panel and the first backlight module.
Further, a diffuse reflection layer is arranged at a seam between the first display panel and the second display panel.
The spliced screen connecting structure and the display device have the advantages that the spliced screen connecting structure is arranged at the joint of the two spliced screens and used for reflecting light rays passing through the light guide plate, dark lines at the joint are avoided, the diffuse reflection layer is further arranged for scattering the light rays, bright lines are avoided when the light rays are reflected, the light rays emitted at the joint are emitted from all angles through diffuse reflection, optical seamless splicing is achieved through optical covering, and visual experience is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic structural diagram of a splicing screen connection structure in an embodiment of the present invention;
FIG. 2 is a schematic diagram of the diffuse reflection layer according to the embodiment of the present invention;
fig. 3 is a schematic structural diagram of a display device according to an embodiment of the invention.
The components in the figure are identified as follows:
1. a light guide plate 2, a reflector 3, a diffuse reflection layer 4, an optical adhesive layer,
10. a spliced screen connecting structure, 20, a first spliced screen, 30, a second spliced screen,
21. a first display panel 22, a first backlight module 31, a second display panel,
32. a second backlight module 100 and a display device.
Detailed Description
The following description of the various embodiments refers to the accompanying drawings that illustrate specific embodiments in which the invention may be practiced. The directional terms mentioned in the present invention, such as [ upper ], [ lower ], [ front ], [ rear ], [ left ], [ right ], [ inner ], [ outer ], [ side ], are only referring to the directions of the attached drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention. In the drawings, elements having similar structures are denoted by the same reference numerals.
In the drawings, the thickness of layers and regions are exaggerated for clarity. For example, the thicknesses and sizes of elements in the drawings are arbitrarily shown for convenience of description, and thus, the described technical scope is not limited by the drawings.
In addition, it is also to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Referring to fig. 1, an embodiment of the invention provides a splicing screen connecting structure 10, which is disposed at a seam of two splicing screens and includes a light guide plate 1 and a light reflecting plate 2; the light guide plate 1 is positioned on one side of the light emitting surface of the spliced screen; the reflector 2 is arranged on one side of the light emitting surface of the spliced screen, which is deviated from the light guide plate 1, and is used for reflecting light rays passing through the light guide plate 1.
In this embodiment, the splicing screen connection structure 10 further includes a diffuse reflection layer 3, which is disposed on one side of the light guide plate 1 facing the light exit surface of the splicing screen and is used for scattering light. Fig. 2 is a schematic diagram of the diffuse reflection layer 3 for diffusely reflecting light to realize scattering of light.
In this embodiment, the diffuse reflection layer 3 has a concave-convex diffuse reflection surface for scattering light. Therefore, bright lines are avoided when light rays are reflected, light rays emitted at the splicing seam are emitted from all angles through diffuse reflection of the diffuse reflection layer 3, and optical seamless splicing is achieved through optical coverage.
In this embodiment, the diffuse reflection layer 3 is disposed on the surface of the light guide plate 1 far away from the side of the light reflection plate 2, the diffuse reflection layer 3 and the light guide plate 1 are integrally disposed, that is, the light guide plate 1 is subjected to light reflection treatment of surface roughening, so that the light guide plate 1 is used for scattering light, bright lines are avoided when the light is reflected, light emitted from the splicing seam is emitted from various angles through the diffuse reflection light, and optical seamless splicing is realized by using optical coverage.
Preferably, the distribution range of the diffuse reflective layer 3 corresponds to the distribution range of the reflector 2.
In this embodiment, the material of the diffuse reflection layer 3 includes acrylic acid. The diffuse reflection layer 3 is made in a manner including coating acrylic.
In this embodiment, the length of the reflector 2 along the extending direction of the seam is equal to the length of the light guide plate 1 along the extending direction of the seam, and the length of the reflector 2 perpendicular to the extending direction of the seam is less than the length of the light guide plate 1 perpendicular to the extending direction of the seam. The arrangement is favorable for size adaptation during splicing.
In this embodiment, the splicing screen connecting structure 10 further includes an optical adhesive layer 4 disposed between the light guide plate 1 and the reflector 2. The optical adhesive layer 4 is transparent OCA optical adhesive, and the optical adhesive layer 4 is used for fixing the light guide plate 1 and the reflector 2, so that the transmission and utilization of light rays are increased.
Referring to fig. 3, the present invention further provides a display device 100 including the above-mentioned splicing screen connecting structure 10.
The display device 100 in this embodiment may be: any product or component with a display function, such as a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigator and the like.
Referring to fig. 3, in the present embodiment, the display device 100 further includes a first tiled screen 20 and a second tiled screen 30; the first spliced screen 20 is provided with a first display panel 21 and a first backlight module 22, and the first backlight module 22 is arranged below the first display panel 21; the second spliced screen 30 is provided with a second display panel 31 and a second backlight module 32, and the second backlight module 32 is arranged below the second display panel 31; the first spliced screen 20 and the second spliced screen 30 are arranged side by side, and the spliced screen connecting structure 10 is arranged at the joint of the first spliced screen 20 and the second spliced screen 30; the reflector 2 is disposed between the first backlight module 22 and the second backlight module 32; one end of the light guide plate 1 parallel to the seam is sandwiched between the first display panel 21 and the first backlight module 22, and the other end of the light guide plate 1 parallel to the seam is sandwiched between the second display panel 31 and the second backlight module 32.
The optical adhesive layer 4 can also be used for connecting the spliced screen connecting structure 10, the first spliced screen 20 and the second spliced screen 30, so that the transmission and utilization of light rays are increased.
In this embodiment, a diffuse reflection layer 3 is further disposed at a seam between the first display panel 21 and the second display panel 31 for scattering light, and the light direction is shown in fig. 3. A schematic diagram of the diffuse reflection layer 3 for diffusely reflecting light is shown in fig. 2.
In this embodiment, the diffuse reflection layer 3 has a concave-convex diffuse reflection surface for scattering light. Therefore, bright lines are avoided when light rays are reflected, light rays emitted at the splicing seam are emitted from all angles through diffuse reflection of the diffuse reflection layer 3, and optical seamless splicing is achieved through optical coverage.
In this embodiment, the diffuse reflection layer 3 is disposed on the surface of the light guide plate 1 far away from the side of the light reflection plate 2, the diffuse reflection layer 3 and the light guide plate 1 are integrally disposed, that is, the light guide plate 1 is subjected to light reflection treatment of surface roughening, so that the light guide plate 1 is used for scattering light, bright lines are avoided when the light is reflected, light emitted from the splicing seam is emitted from various angles through the diffuse reflection light, and optical seamless splicing is realized by using optical coverage. Preferably, the distribution range of the diffuse reflective layer 3 corresponds to the distribution range of the reflector 2.
In this embodiment, the material of the diffuse reflection layer 3 includes acrylic. The diffuse reflection layer 3 is made by coating acrylic acid, that is, the acrylic acid is filled between the first display panel 21 and the second display panel 31, and the formed diffuse reflection layer 3 is disposed at a seam between the first display panel 21 and the second display panel 31.
The spliced screen connecting structure and the display device have the advantages that the spliced screen connecting structure is arranged at the joint of the two spliced screens and used for reflecting light rays passing through the light guide plate, dark lines at the joint are avoided, the diffuse reflection layer is further arranged for scattering the light rays, bright lines are avoided when the light rays are reflected, the light rays emitted at the joint are emitted from all angles through the diffuse reflection light rays, optical seamless splicing is achieved through optical covering, and visual experience is improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a concatenation screen connection structure locates the seam crossing of two concatenation screens, a serial communication port, include:
the light guide plate is positioned on one side of the light emitting surface of the spliced screen; and
the light guide plate is arranged on the light guide plate and deviates from one side of the light emergent surface of the spliced screen, and the light reflecting plate is used for reflecting light rays passing through the light guide plate.
2. The spliced screen connection structure of claim 1, further comprising:
and the diffuse reflection layer is arranged on one side of the light guide plate, which faces the light emergent surface of the spliced screen.
3. A tiled screen attachment structure according to claim 2, wherein the diffusive reflective layer has a diffusive reflective surface with indentations for scattering light.
4. The splicing screen connecting structure according to claim 2, wherein the diffuse reflection layer is disposed on a surface of the light guide plate on a side away from the reflector, and the diffuse reflection layer and the light guide plate are integrally disposed.
5. The tiled screen attachment structure of claim 2, wherein the material of the diffusive reflective layer comprises acrylic.
6. The splicing screen connecting structure according to claim 1, wherein a length of the reflector along an extending direction of the seam is equal to a length of the light guide plate along the extending direction of the seam, and a length of the reflector perpendicular to the extending direction of the seam is smaller than a length of the light guide plate perpendicular to the extending direction of the seam.
7. The spliced screen connection structure of claim 1, further comprising:
and the optical adhesive layer is arranged between the light guide plate and the reflector.
8. A display device comprising the tiled screen connection structure of any of claims 1-7.
9. The display device according to claim 8, further comprising:
the first spliced screen is provided with a first display panel and a first backlight module, and the first backlight module is arranged below the first display panel;
the second spliced screen is provided with a second display panel and a second backlight module, and the second backlight module is arranged below the second display panel;
the first spliced screen and the second spliced screen are arranged side by side, and the spliced screen connecting structure is arranged at the joint of the first spliced screen and the second spliced screen; the reflector is arranged between the first backlight module and the second backlight module; one end of the light guide plate parallel to the seam is clamped between the first display panel and the first backlight module, and the other end of the light guide plate parallel to the seam is clamped between the second display panel and the second backlight module.
10. The display device according to claim 9, wherein a diffuse reflection layer is further provided at a seam between the first display panel and the second display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010248270.XA CN111312087B (en) | 2020-04-01 | 2020-04-01 | Splicing screen connecting structure and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010248270.XA CN111312087B (en) | 2020-04-01 | 2020-04-01 | Splicing screen connecting structure and display device |
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| CN111312087A true CN111312087A (en) | 2020-06-19 |
| CN111312087B CN111312087B (en) | 2021-11-02 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114078398A (en) * | 2021-11-22 | 2022-02-22 | 深圳创维－Rgb电子有限公司 | Spliced screen and display device |
| CN114141154A (en) * | 2021-12-06 | 2022-03-04 | Tcl华星光电技术有限公司 | Tiled display device |
| WO2023108733A1 (en) * | 2021-12-13 | 2023-06-22 | Tcl华星光电技术有限公司 | Tiled screen and display terminal |
| WO2023116072A1 (en) * | 2021-12-22 | 2023-06-29 | 绵阳惠科光电科技有限公司 | Backlight module and display device |
| TWI813261B (en) * | 2022-04-19 | 2023-08-21 | 友達光電股份有限公司 | Display apparatus |
| WO2023173479A1 (en) * | 2022-03-16 | 2023-09-21 | 广州华星光电半导体显示技术有限公司 | Backlight module and display device |
| US11841569B2 (en) | 2021-12-06 | 2023-12-12 | Tcl China Star Optoelectronics Technology Co., Ltd. | Splicing display device |
| US12010896B2 (en) | 2021-02-25 | 2024-06-11 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Display device and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US12010896B2 (en) | 2021-02-25 | 2024-06-11 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Display device and manufacturing method thereof |
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| US11841569B2 (en) | 2021-12-06 | 2023-12-12 | Tcl China Star Optoelectronics Technology Co., Ltd. | Splicing display device |
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| WO2023173479A1 (en) * | 2022-03-16 | 2023-09-21 | 广州华星光电半导体显示技术有限公司 | Backlight module and display device |
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|---|---|
| CN111312087B (en) | 2021-11-02 |
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