CN109164519A - Diffuser plate, backing structure and display panel - Google Patents
Diffuser plate, backing structure and display panel Download PDFInfo
- Publication number
- CN109164519A CN109164519A CN201811126196.3A CN201811126196A CN109164519A CN 109164519 A CN109164519 A CN 109164519A CN 201811126196 A CN201811126196 A CN 201811126196A CN 109164519 A CN109164519 A CN 109164519A
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- diffuser plate
- joint face
- light
- face
- plummer
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0273—Diffusing elements; Afocal elements characterized by the use
- G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Optical Elements Other Than Lenses (AREA)
- Planar Illumination Modules (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention provides a kind of diffuser plate, backing structure and display panel, and the diffuser plate is plate-like structure, has first surface and second surface in the horizontal direction；Third surface and the 4th surface vertically；And along the 5th surface of third direction and the 6th surface, the third direction perpendicular to it is described horizontally and vertically；Wherein, the first surface is that light injects face, and the second surface is located above the first surface, is light outgoing plane；The second surface connect with third surface by the first joint face, and the second surface is connected by the second joint face and the 4th surface, first joint face and the second joint face for arc-shaped curved surface and or smooth inclined-plane.The present invention by provide it is a kind of with arc-shaped curved surface and or smooth inclined-plane diffuser plate replace classic flat-plate type diffuser plate, light can be projected the region right above plummer by refraction, to visually reduce or even eliminate the blanking bar at display panel edge.
Description
Technical field
The present invention relates to turn field of electronic display more particularly to a kind of diffuser plate, backing structure and display panel.
Background technique
With the development of display technology, the purposes of display panel has been not limited to show as television set, monitor, computer
The display screen of the small devices such as screen, is also more applied in the large-sized monitor in public sphere.To be applied to airport,
The large scales of occasions such as school, convention place, exhibition room, the demand of high-resolution display also gradually increase.However, mesh
Preceding main flow display volume production full-size is only 65 cun or so, is unable to satisfy the demand of large-area displays.Greater area of display
Demand needs are completed by using tiled display.
Tiled display needs the display for splicing to have very narrow frame design, and between two neighboring display
Piece is small as far as possible, to realize seamless display.And in practice, there are many difficult points urgent needs to overcome for narrow frame design.Example
In design of backlight module, there is blanking bar, such as Fig. 1 in the plummer surface that the light circulation way of straight-down negative will lead to diffuser plate
It is shown.The width of reduction plummer can reduce the width of blanking bar, but can not eliminate.Importantly, diffuser plate is in cold and hot ring
Meeting contraction or expansion under border, it is meant that the width of plummer cannot reduce without limitation, that is, have to be larger than some numerical value, also just mean
Unavoidable in the display area of backlight module there is blanking bar.
Summary of the invention
The present invention provides a kind of diffuser plate, backing structure and display panel, to solve due between plummer and diffuser plate
The gap that can not be eliminated and caused display blanking bar.
To solve the above problems, technical solution provided by the invention is as follows:
A kind of diffuser plate, wherein the diffuser plate is plate-like structure, has first surface and second in the horizontal direction
Surface；Third surface and the 4th surface vertically；And along the 5th surface of third direction and the 6th surface, described
Three directions perpendicular to it is described horizontally and vertically；Wherein, the first surface is that light injects face, the second surface
It is light outgoing plane above the first surface；The second surface is connected by the first joint face with third surface, institute
It states second surface to connect by the second joint face and the 4th surface, first joint face and the second joint face are arc-shaped curved surface
With or smooth inclined-plane.
A specific embodiment according to the present invention, wherein the material of the diffuser plate is that refractive index is less than greater than 1.48
1.60 material.
A specific embodiment according to the present invention, wherein the thickness on the third surface and the 4th surface is greater than or equal to
/ 10th of 5th surface and the 6th surface thickness.
A specific embodiment according to the present invention, wherein first joint face and the second joint face are on the first surface
Projection width in the horizontal direction be no more than 20mm.
Correspondingly, including backboard, the light source on the backboard, being located at the present invention also provides a kind of backing structure
The plummer and the diffuser plate above the plummer of the light source side, the diffuser plate are plate-like structure, tool
There are first surface and second surface in the horizontal direction；Third surface and the 4th surface vertically；And along third party
To the 5th surface and the 6th surface, the third direction perpendicular to it is described horizontally and vertically；Wherein, described first
Surface is that light injects face, and the second surface is located above the first surface, is light outgoing plane；The second surface is logical
The first joint face to be crossed to connect with third surface, the second surface is connected by the second joint face and the 4th surface, and described first
Joint face and the second joint face be arc-shaped curved surface and or smooth inclined-plane.
A specific embodiment according to the present invention, wherein the plummer has loading end in the horizontal direction, it is described
Diffuser plate is located on the loading end, edge of the loading end described in the Edge Distance of the diffuser plate far from the diffuser plate side
Distance be greater than the diffuser plate maximum swelling size.
A specific embodiment according to the present invention, wherein loading end described in the Edge Distance of the diffuser plate is positioned at described
The distance at the edge below diffuser plate is greater than the maximum collapse size of the diffuser plate.
Correspondingly, the present invention also provides a kind of display panel, including backing structure and it is located above the backing structure
Functional film layer, the backing structure includes backboard, the light source on the backboard, positioned at the plummer of the light source side
And the diffuser plate above the plummer, the diffuser plate are plate-like structure, have the first table in the horizontal direction
Face and second surface；Third surface and the 4th surface vertically；And along the 5th surface of third direction and the 6th table
Face, the third direction perpendicular to it is described horizontally and vertically；Wherein, the first surface is that light injects face, institute
It states second surface to be located above the first surface, is light outgoing plane；The second surface passes through the first joint face and third
Surface connection, the second surface are connected by the second joint face and the 4th surface, first joint face and the second joint face
For arc-shaped curved surface and or smooth inclined-plane.
A specific embodiment according to the present invention, wherein the functional film layer includes inclined above the diffuser plate
Light film.
A specific embodiment according to the present invention, wherein the functional film layer includes the increasing above the light polarizing film
Measure film.
The invention has the benefit that by provide it is a kind of with arc-shaped curved surface and or smooth inclined-plane diffuser plate generation
For the diffuser plate of classic flat-plate type, light can be projected the region right above plummer by refraction, thus visually
The blanking bar at display panel edge has been reduced or even eliminated, can make tiled display plate that there is better display effect, improve use
Family experience.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of display panel in the prior art；
Fig. 2 is that the partial enlargement of display panel in the prior art is intended to；
Fig. 3 (a) and Fig. 3 (b) is the schematic diagram for the blanking bar that diffuser plate of the invention eliminates display panel；
Fig. 4 is the structural schematic diagram of the diffuser plate in one embodiment in the present invention；
Fig. 5 is sectional view of the diffuser plate in Fig. 4 along the direction A-A '；
Fig. 6 is the structural schematic diagram of the diffuser plate in another embodiment in the present invention；
Fig. 7 is the structural schematic diagram using the display panel of the diffuser plate in Fig. 4；
Fig. 8 is the structural schematic diagram using the display panel of the diffuser plate in Fig. 6.
Specific embodiment
The explanation of following embodiment is referred to the additional illustration, the particular implementation that can be used to implement to illustrate the present invention
Example.The direction term that the present invention is previously mentioned, such as [on], [under], [preceding], [rear], [left side], [right side], [interior], [outer], [side]
Deng being only the direction with reference to annexed drawings.Therefore, the direction term used be to illustrate and understand the present invention, rather than to
The limitation present invention.The similar unit of structure is with being given the same reference numerals in the figure.
The prior art is illustrated in conjunction with attached drawing first.Referring to Fig. 1, the display panel of the prior art generally includes " L "
Shape backboard 110, positioned at the pcb board 120 of the horizontally extending upper of the backboard 110, fold-line-shaped plummer
130, the backlight 140 above the pcb board, the diffuser plate 150 supported by plummer 130, and it is located at the diffusion
Film layer 160 above plate.Wherein, the plummer 130 includes the first part extended along the vertical direction and second part, and
The horizontally extending Part III for being used to connect the first part and second part, the Part III is for placing
Diffuser plate 150.Fig. 2 is that the partial enlargement of the display panel in Fig. 1 is intended to, wherein the length of the Part III of plummer 130 is
L, it is D that diffuser plate 150, which is placed in the length on plummer 130, between the edge of diffuser plate 150 and the first part of plummer 130
Distance be W.Since plummer 130 is non-light-emitting area, the optical link that backlight 140 issues can not reach plummer 130, because
This, no matter human eye from display in terms of which angle, blanking bar can all occur.Reduction plummer width L can alleviate blanking bar, but nothing
Method is eliminated.Importantly, diffuser plate meeting contraction or expansion under hot-cool environment, leading to L, there are lower limits, that is, have to be larger than some
Numerical value.Therefore there are unavoidable blanking bars at display panel edge in the prior art.
Therefore, the present invention provides a kind of diffuser plate, backing structure and display panel, to solve due to plummer and diffuser plate
Between the gap that can not eliminate and caused display blanking bar.Specifically, technical solution provided by the invention is as follows:
A kind of diffuser plate, wherein the diffuser plate is plate-like structure, has first surface and second in the horizontal direction
Surface；Third surface and the 4th surface vertically；And along the 5th surface of third direction and the 6th surface, described
Three directions perpendicular to it is described horizontally and vertically；Wherein, the first surface is that light injects face, the second surface
It is light outgoing plane above the first surface；The second surface is connected by the first joint face with third surface, institute
It states second surface to connect by the second joint face and the 4th surface, first joint face and the second joint face are arc-shaped curved surface
With or smooth inclined-plane.
The embodiment of the present invention is described in detail below in conjunction with attached drawing.
Referring first to Fig. 3 (a) and Fig. 3 (b), Fig. 3 (a) and Fig. 3 (b) are that diffuser plate of the invention eliminates the dark of display panel
The schematic diagram of band.The marginal texture of diffuser plate 150 has conclusive effect to the round of light.In traditional diffuser plate
In, the angle between each side is right angle, and adjacent side is perpendicular to one another, therefore optical path can not reach on plummer 130
Side.In the present invention, by by the edge of plate be set as arc-shaped curved surface and or smooth inclined-plane, by arc-shaped curved surface and or it is flat
The optical correction on sliding inclined-plane acts on, and the light energy other than plummer 130 is extended to the top of plummer 130, to reduce
Or eliminate the blanking bar at display panel edge.
Referring to fig. 4, Fig. 4 is the structural schematic diagram of the diffuser plate in one embodiment in the present invention.The wherein diffusion
Plate is plate-like structure, has first surface and second surface in the horizontal direction；Third surface and the 4th vertically
Surface；And along the 5th surface of third direction and the 6th surface, the third direction is perpendicular to the horizontal direction and vertically
Direction；Wherein, the first surface is that light injects face, and the second surface is located above the first surface, penetrates for light
It appears；The second surface connect with third surface by the first joint face, and the second surface passes through the second joint face and the
The connection of four surfaces, first joint face and the second joint face are arc-shaped curved surface.Fig. 5 is the diffuser plate in Fig. 4 along the direction A-A '
Sectional view.Wherein, the thickness T0 on the third surface and the 4th surface is greater than or equal to the 5th surface and the 6th surface thickness T
1/10th.The width D 1 of projection in the horizontal direction of first joint face and the second joint face on the first surface does not surpass
Cross 20mm.
Preferably, in the present embodiment, in order to more preferably realize the refraction of light, wherein the material of the diffuser plate is refraction
Rate is greater than 1.48 material less than 1.60.Can make transparent material, be also possible to the material for having certain mist degree: as glass, quartz,
PMMA, MS, PS etc..
It is the structural schematic diagram of the diffuser plate in another embodiment in the present invention referring to Fig. 6, Fig. 6.The wherein expansion
It falls apart as plate-like structure, there are first surface and second surface in the horizontal direction；Third surface vertically and
Four surfaces；And along the 5th surface of third direction and the 6th surface, the third direction is perpendicular to the horizontal direction and hangs down
Histogram to；Wherein, the first surface is that light injects face, and the second surface is located above the first surface, is light
Outgoing plane；The second surface connect with third surface by the first joint face, the second surface by the second joint face with
The connection of 4th surface, first joint face and the second joint face are smooth bevel.Wherein, the third surface and the 4th surface
Thickness T0 be greater than or equal to 1/10th of the 5th surface and the 6th surface thickness T.First joint face and the second connection
The width D 1 of projection in the horizontal direction of face on the first surface is no more than 20mm.
Preferably, in the present embodiment, in order to more preferably realize the refraction of light, wherein the material of the diffuser plate is refraction
Rate is greater than 1.48 material less than 1.60.Can make transparent material, be also possible to the material for having certain mist degree: as glass, quartz,
PMMA, MS, PS etc..
Correspondingly, including backboard, the light source on the backboard, being located at the present invention also provides a kind of backing structure
The plummer and the diffuser plate above the plummer of the light source side, the diffuser plate are plate-like structure, tool
There are first surface and second surface in the horizontal direction；Third surface and the 4th surface vertically；And along third party
To the 5th surface and the 6th surface, the third direction perpendicular to it is described horizontally and vertically；Wherein, described first
Surface is that light injects face, and the second surface is located above the first surface, is light outgoing plane；The second surface is logical
The first joint face to be crossed to connect with third surface, the second surface is connected by the second joint face and the 4th surface, and described first
Joint face and the second joint face be arc-shaped curved surface and or smooth inclined-plane.
Specifically, the plummer has loading end in the horizontal direction, the diffuser plate is located on the loading end, institute
The distance for stating edge of the loading end described in the Edge Distance of diffuser plate far from the diffuser plate side is greater than the diffuser plate most
Big dilation dimension.Simultaneously the diffuser plate Edge Distance described in loading end be located at the edge below the diffuser plate distance it is big
In the maximum collapse size of the diffuser plate.
In traditional diffuser plate, the angle between each side is right angle, and adjacent side is perpendicular to one another, therefore light
Road can not reach 130 top of plummer.In the present invention, by by the edge of plate be set as arc-shaped curved surface and or it is smooth oblique
Face, by arc-shaped curved surface and or smooth inclined-plane optical correction act on, the light energy other than plummer 130 is extended to and is held
The top of microscope carrier 130, to reduce or eliminate the blanking bar at display panel edge.
Correspondingly, the present invention also provides a kind of display panel, including backing structure and it is located above the backing structure
Functional film layer, the backing structure includes backboard, the light source on the backboard, positioned at the plummer of the light source side
And the diffuser plate above the plummer, the diffuser plate are plate-like structure, have the first table in the horizontal direction
Face and second surface；Third surface and the 4th surface vertically；And along the 5th surface of third direction and the 6th table
Face, the third direction perpendicular to it is described horizontally and vertically；Wherein, the first surface is that light injects face, institute
It states second surface to be located above the first surface, is light outgoing plane；The second surface passes through the first joint face and third
Surface connection, the second surface are connected by the second joint face and the 4th surface, first joint face and the second joint face
For arc-shaped curved surface and or smooth inclined-plane.
Preferably, the functional film layer includes the light polarizing film above the diffuser plate.
Preferably, wherein the functional film layer includes the increment film above the light polarizing film.
Angle between each side of the diffuser plate of conventional display panels application is right angle, and adjacent side is hung down each other
Directly, therefore optical path can not reach 130 top of plummer.In the present invention, by by the edge of plate be set as arc-shaped curved surface and or
Smooth inclined-plane, by arc-shaped curved surface and or smooth inclined-plane optical correction act on, by the light energy other than plummer 130
The top of plummer 130 is extended to, to reduce or eliminate the blanking bar at display panel edge.
Fig. 7 is the structural schematic diagram using the display panel of the diffuser plate in Fig. 4.In the present embodiment, using with arc
The diffuser plate 152 of curved surface is instead of traditional diffuser plate.As can be seen that the diffuser plate with arc-shaped curved surface can be effectively by back
The light of light source is transmitted to above plummer, even is eliminated blanking bar to visually weaken.
Fig. 8 is the structural schematic diagram using the display panel of the diffuser plate in Fig. 6.In the present embodiment, using with smooth
The diffuser plate 154 on inclined-plane is instead of traditional diffuser plate.As can be seen that the diffuser plate with smooth bevel can be effectively by back
The light of light source is transmitted to above plummer, even is eliminated blanking bar to visually weaken.
The invention has the benefit that by provide it is a kind of with arc-shaped curved surface and or smooth inclined-plane diffuser plate generation
For the diffuser plate of classic flat-plate type, light can be projected the region right above plummer by refraction, thus visually
The blanking bar at display panel edge has been reduced or even eliminated, can make tiled display plate that there is better display effect, improve use
Family experience.
In conclusion although the present invention has been disclosed above in the preferred embodiment, but above preferred embodiment is not to limit
The system present invention, those skilled in the art can make various changes and profit without departing from the spirit and scope of the present invention
Decorations, therefore protection scope of the present invention subjects to the scope of the claims.
Claims (10)
1. a kind of diffuser plate, which is characterized in that the diffuser plate is plate-like structure, have first surface in the horizontal direction and
Second surface；Third surface and the 4th surface vertically；And along the 5th surface of third direction and the 6th surface, institute
State third direction perpendicular to it is described horizontally and vertically；Wherein, the first surface be light inject face, described second
Surface is located above the first surface, is light outgoing plane；The second surface is connected by the first joint face and third surface
It connects, the second surface is connected by the second joint face and the 4th surface, and first joint face and the second joint face are arc
Curved surface and or smooth inclined-plane.
2. diffuser plate according to claim 1, which is characterized in that the material of the diffuser plate is that refractive index is small greater than 1.48
In 1.60 material.
3. diffuser plate according to claim 1, which is characterized in that the thickness on the third surface and the 4th surface be greater than or
Equal to 1/10th of the 5th surface and the 6th surface thickness.
4. diffuser plate according to claim 1, which is characterized in that first joint face and the second joint face are in the first table
The width of projection in the horizontal direction on face is no more than 20mm.
5. a kind of backing structure, which is characterized in that including backboard, the light source on the backboard, be located at the light source side
Plummer and the diffuser plate above the plummer, the diffuser plate be plate-like structure, have in the horizontal direction
First surface and second surface；Third surface and the 4th surface vertically；And along the 5th surface of third direction
With the 6th surface, the third direction perpendicular to it is described horizontally and vertically；Wherein, the first surface is penetrated for light
Enter face, the second surface is located above the first surface, is light outgoing plane；The second surface passes through the first joint face
It is connected with third surface, the second surface is connected by the second joint face and the 4th surface, first joint face and second
Joint face be arc-shaped curved surface and or smooth inclined-plane.
6. backing structure according to claim 5, which is characterized in that the plummer has carrying in the horizontal direction
Face, the diffuser plate are located on the loading end, and loading end described in the Edge Distance of the diffuser plate is far from the diffuser plate one
The distance at the edge of side is greater than the maximum swelling size of the diffuser plate.
7. backing structure according to claim 6, which is characterized in that loading end position described in the Edge Distance of the diffuser plate
The distance at the edge below the diffuser plate is greater than the maximum collapse size of the diffuser plate.
8. a kind of display panel, which is characterized in that the functional film layer including backing structure and above the backing structure, institute
Stating backing structure includes backboard, the light source on the backboard, positioned at the plummer of the light source side and positioned at described
Diffuser plate above plummer, the diffuser plate are plate-like structure, have first surface and second surface in the horizontal direction；
Third surface and the 4th surface vertically；And along the 5th surface of third direction and the 6th surface, the third party
To perpendicular to it is described horizontally and vertically；Wherein, the first surface is that light injects face, and the second surface is located at
It is light outgoing plane above the first surface；The second surface is connected with third surface by the first joint face, and described the
Two surfaces are connected by the second joint face and the 4th surface, first joint face and the second joint face be arc-shaped curved surface and or
Smooth inclined-plane.
9. display panel according to claim 8, which is characterized in that the functional film layer includes being located on the diffuser plate
The light polarizing film of side.
10. display panel according to claim 9, which is characterized in that the functional film layer includes being located at the light polarizing film
The increment film of top.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811126196.3A CN109164519B (en) | 2018-09-26 | 2018-09-26 | Diffusion plate, backlight structure and display panel |
| PCT/CN2019/075145 WO2020062759A1 (en) | 2018-09-26 | 2019-02-15 | Diffusion plate, backlight structure, and display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811126196.3A CN109164519B (en) | 2018-09-26 | 2018-09-26 | Diffusion plate, backlight structure and display panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109164519A true CN109164519A (en) | 2019-01-08 |
| CN109164519B CN109164519B (en) | 2021-01-15 |
Family
ID=64880389
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811126196.3A Active CN109164519B (en) | 2018-09-26 | 2018-09-26 | Diffusion plate, backlight structure and display panel |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109164519B (en) |
| WO (1) | WO2020062759A1 (en) |
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| WO2020062759A1 (en) * | 2018-09-26 | 2020-04-02 | 惠州市华星光电技术有限公司 | Diffusion plate, backlight structure, and display panel |
| CN111292618A (en) * | 2020-03-26 | 2020-06-16 | 京东方科技集团股份有限公司 | Backlight module, display screen and spliced screen |
| WO2023202187A1 (en) * | 2022-04-19 | 2023-10-26 | 惠州视维新技术有限公司 | Tiled screen and display apparatus |
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| CN113539135B (en) * | 2021-08-02 | 2023-08-01 | 宁波视睿迪光电有限公司 | Light box and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020062759A1 (en) * | 2018-09-26 | 2020-04-02 | 惠州市华星光电技术有限公司 | Diffusion plate, backlight structure, and display panel |
| CN110095904A (en) * | 2019-05-27 | 2019-08-06 | 惠州市华星光电技术有限公司 | Down straight aphototropism mode set and liquid crystal display device |
| WO2020237956A1 (en) * | 2019-05-27 | 2020-12-03 | 惠州市华星光电技术有限公司 | Direct type blacklight module and liquid crystal display device |
| CN111292618A (en) * | 2020-03-26 | 2020-06-16 | 京东方科技集团股份有限公司 | Backlight module, display screen and spliced screen |
| CN111292618B (en) * | 2020-03-26 | 2022-03-08 | 京东方科技集团股份有限公司 | Backlight module, display screen and spliced screen |
| US11360351B2 (en) | 2020-03-26 | 2022-06-14 | Beijing Boe Display Technology Co., Ltd. | Backlight module, display screen and tiled display device |
| WO2023202187A1 (en) * | 2022-04-19 | 2023-10-26 | 惠州视维新技术有限公司 | Tiled screen and display apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109164519B (en) | 2021-01-15 |
| WO2020062759A1 (en) | 2020-04-02 |
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