CN109410773A - A kind of mosaic screen - Google Patents
A kind of mosaic screen Download PDFInfo
- Publication number
- CN109410773A CN109410773A CN201811308043.0A CN201811308043A CN109410773A CN 109410773 A CN109410773 A CN 109410773A CN 201811308043 A CN201811308043 A CN 201811308043A CN 109410773 A CN109410773 A CN 109410773A
- Authority
- CN
- China
- Prior art keywords
- region
- display panel
- cover board
- thin film
- mosaic screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
- G02B5/0231—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having microprismatic or micropyramidal shape
-
- 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
Abstract
The application provides a kind of mosaic screen, comprising: the non-display area of at least two pieces of display panels, each display panel edge includes frame, and adjacent two display panel forms gap in stitching portion；Cover board is set to the panel surface, and surface of the cover board far from the display panel side is plane, and the surface close to the display panel side includes bending regional peace face region；The bending region is corresponding with the frame region of the display panel, and the plane domain is corresponding with the display area of the display panel；Optical thin film is set to the lid surface, and including the upper surface far from the cover board side and close to the lower surface of the cover board side；Wherein, the lower surface of the optical thin film includes the microstructure area of the corresponding frame region, and the upper surface includes the scattering region of the corresponding frame region.
Description
Technical field
This application involves display panel manufacturing field more particularly to a kind of mosaic screens.
Background technique
Liquid crystal display is the display equipment of current mainstream, is widely used in the splicing field of more large screen.But due to liquid
The structural principle of crystal display can all have the frame of a black in the surrounding of each display, which mainly includes sealing
The frame glue of liquid crystal and for input data signal or the circuit of scanning signal, further includes structure frame thickness etc..
The black surround phenomenon occurred between different liquid crystal displays in the splicing of large screen namely so-called splicing seams, meeting
Generating biggish viewing influences.Generally vision is realized by adding the optical glass cover board with optical signature at splicing seams
On piece eliminate.However use the optical visual to eliminate piece method, big visual angle and while facing will have two kinds completely not
Same performance.It faces piece to eliminate, but piece is exaggerated at big visual angle.Therefore, existing scheme is unable to satisfy practical production
Product use demand.
Therefore, the prior art is defective, needs to improve.
Summary of the invention
The application provides a kind of mosaic screen, can effectively solve the problem that existing mosaic screen under big visual angle splicing seams amplify ask
Topic, can visually eliminate splicing seams.
To solve the above problems, technical solution provided by the present application is as follows:
The application provides a kind of mosaic screen, comprising:
The non-display area of at least two pieces of display panels, each display panel edge includes frame, and adjacent two
The display panel forms gap in stitching portion；
Cover board is formed in the panel surface, and surface of the cover board far from the display panel side is plane,
The cover board includes bending regional peace face region close to the surface of the display panel side；
The bending region is corresponding with the frame region of the display panel, the plane domain and the display panel
Display area is corresponding；And
Optical thin film is formed in the lid surface, and the optical thin film includes the upper surface far from the cover board side,
With the lower surface close to the cover board side；
Wherein, the lower surface of the optical thin film includes the microstructure area of the corresponding frame region, it is described on
Surface includes the scattering region of the corresponding frame region.
In the mosaic screen of the application, the microstructure area and the scattering region are corresponding positioned at the frame region
Optical axis within the scope of.
It is described within the scope of the corresponding optical axis for being located at the frame region of the optical thin film in the mosaic screen of the application
The lower surface of optical thin film is micro-structure face, and the upper surface of the optical thin film is scattering surface.
In the mosaic screen of the application, the cross sectional shape of the lower surface of the optical thin film in the microstructure area
Handstand triangle, handstand including regular distribution are trapezoidal；Alternatively, the cross sectional shape includes the handstand triangle of irregular distribution
Shape, handstand are trapezoidal.
In the mosaic screen of the application, the part that the upper surface of the optical thin film corresponds to the scattering region includes
The particle being uniformly or non-uniformly distributed, so that the part that the upper surface corresponds to the scattering region has default roughness.
In the mosaic screen of the application, the mosaic screen includes at least two pieces of cover boards, and at least two pieces of cover boards
It is corresponded with the display panel, at least two pieces of cover boards are spliced at the gap.
In the mosaic screen of the application, the bending region of the cover board and the frame region of the display panel
Corresponding, the bending region surrounds the plane domain.
There is default spacing, and the cover board in the mosaic screen of the application, between the cover board and the display panel
Between being greater than the position of the corresponding plane domain with spacing of the display panel between the position in the corresponding bending region
Spacing.
In the mosaic screen of the application, bonded between the optical thin film and the cover board by optical adhesive layer, the lid
It is bonded between plate and the display panel by air layer or the optical adhesive layer.
In the mosaic screen of the application, the bending region of the cover board is arc, and the bending region is described aobvious
Show that the projection width of panel is greater than the width of the frame region.
The application's has the beneficial effect that compared to existing mosaic screen, mosaic screen provided by the present application, by disappearing having
The lid surface of piece function adds one layer of optical thin film, and the optical thin film and cover board faying face are micro-structure face, this is optically thin
Film is scattering surface backwards to the surface of cover board.There are effective light convergence effects in the micro-structure face, are guaranteeing the original optics effect of cover board
In the case where fruit, it can assist eliminating piece；Light is spread using the scattering surface of the optical thin film, to guarantee each visual angle
When observation, piece all can't see.The optical thin film covers all areas within the scope of the optical axis of frame region, therefore can reach nothing
Dead angle disappears the effect of piece.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of embodiment or technical solution in the prior art
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only some of application
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is a kind of structure chart of mosaic screen provided by the embodiments of the present application；
Fig. 2 is the structure chart of optical thin film provided by the embodiments of the present application；
Fig. 3 is the structure chart of another mosaic screen provided by the embodiments of the present application；
Fig. 4 is the optical schematic diagram of mosaic screen provided by the embodiments of the present application.
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 application
Example.The direction term that the application 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 application, rather than to
Limit the application.The similar unit of structure is with being given the same reference numerals in the figure.
The application is directed to the mosaic screen of the prior art, and there are splicing seams to eliminate, the splicing seams meeting especially under big visual angle
The technical issues of being amplified, the present embodiment are able to solve the defect.
Fig. 1 show a kind of structure chart of mosaic screen provided by the embodiments of the present application.The mosaic screen includes:
At least two pieces of display panels mutually spliced in the present embodiment, are illustrated for convenience, only list two pieces it is aobvious
Show the explanation that panel is spliced, it is to be understood that in practical applications may include that muti-piece display panel is spliced.
Adjacent two pieces of display panels 101 as shown in Figure 1, the non-display area of each display panel 101 include
Frame 102, the frame 102 is mainly for the protection of the display panel 101.The frame 102 is located at the display panel 101
Edge, i.e., positioned at the mosaic screen gap at；The frame 102 mainly includes the frame glue of encapsulated liquid crystals and is used for defeated
Enter the circuit of data-signal or scanning signal；It certainly further include structure frame thickness when being finally assembling to mould group.Therefore, no
The same display panel 101 will have certain gap when being stitched together, and visually will appear certain black surround area
Domain.The display panel 101 can be one of displays such as LCD, OLED, FED.
Cover board 103, is formed in 101 surface of display panel, and cover board 103 described in figure is integral structure, the lid
Surface of the plate 103 far from 101 side of display panel is plane, and the cover board 103 is close to 101 side of display panel
Surface includes bending region 103A and plane domain 103B.The rim area of bending the region 103A and the display panel 101
Domain 101A is corresponding, and the display area 101B of the plane domain 103B and the display panel 101 is corresponded.
There is default spacing X, and the cover board 103 and the display between the cover board 103 and the display panel 101
Spacing of the panel 101 between the position of the correspondence bending region 103A is greater than between the position of the corresponding plane domain 103B
Spacing.
The bending region 103A is arc, and the arc is towards 101 side of display panel, so that the cover board
103 are configured similarly to the structure of convex lens at the position of the bending region 103A, by the described aobvious of the display panel 101
Show that the image information of the region edge 101B is deviated and amplified, image information is enabled to cover the splicing of the mosaic screen
Gap, to be blocked to the frame 102, it can eliminate the splicing gap of the mosaic screen under positive visual angle, realize
It is seamless spliced under positive visual angle, and show that image is completely continuous.
In one embodiment, the bending region 103A is greater than the side in the projection width of the display panel 101
The width of frame region 101A.
The cover board 103 is made of clear material, and material includes PMMA (polymethyl methacrylate), PS (saturating benzene, bright
Benzene), MS (copolymer of methyl methacrylate and styrene), glass, one of quartz etc. or more than one.
Optical thin film 104 is formed in 103 surface of cover board, leads between the optical thin film 104 and the cover board 103
Optical adhesive layer (not indicating in figure) bonding is crossed, passes through air layer or institute between certain cover board 103 and the display panel 101
State optical adhesive layer bonding.The optical thin film 104 includes the upper surface far from 103 side of cover board, and close to the cover board
The lower surface of 103 sides.Wherein, the lower surface of the optical thin film 104 includes the micro- of the corresponding frame region 101A
Structural region, the upper surface include the scattering region of the corresponding frame region 101A.The microstructure area and it is described dissipate
Region is penetrated to correspond between adjacent two display panel 101 in the optical axis range Y of the frame region 101A.
The areal extent of the optical thin film 104 in figure is consistent with the optical axis range Y of the frame region 101A, with institute
The corresponding position positioned at the optical axis range Y of optical thin film 104 is stated to be illustrated.
Fig. 2 is the structure chart of optical thin film provided by the embodiments of the present application.The structure of the optical thin film 104 includes but not
(a) (b) (c) the three kinds of structures being limited in Fig. 2, the optical thin film 104 are made of clear material, the optical thin film 104
The lower surface is micro-structure face 104A, and the cross sectional shape of the micro-structure face 104A includes the handstand right angle three of equidistantly distributed
It is angular, i.e. reversed prism structure (as shown in a)；Its cross sectional shape can also include that the handstand of equidistantly distributed is trapezoidal (such as institute in b
Show)；Alternatively, its cross sectional shape can also include the handstand right angled triangle of spacing difference and regular distribution (as shown in c)；When
So, cross sectional shape can also include but is not limited to the handstand triangle of irregular distribution or trapezoidal and other the not similar shapes that stand upside down
Shape and combinations thereof.
The upper surface of the optical thin film 104 is scattering surface 104B.The scattering surface 104B includes uniformly or uneven
The particle of even distribution, so that the scattering surface 104B has default roughness.The scattering surface 104B can be patterned structure shape
At being also possible to particle-filled (beads coating), certainly, the scattering surface 104B can also use other usual manners
Realize the roughening on surface.
In one embodiment, the scattering surface 104B uses particle-filled mode, and the particle diameter is wavelength rank,
The Rayleigh scattering effect that light diffusion may be implemented, to realize Lambertian light diffusion effect.
Since there are effective light convergence effects by the micro-structure face 104A, guaranteeing the cover board 103 original optics effect
In the case where fruit, it can assist eliminating piece；The scattering surface 104B is recycled to spread light, to guarantee that each visual angle is seen
When examining, piece all can't see.In addition, the optical thin film 104 covers owning in the optical axis range Y of the frame region 101A
Region, therefore can reach no dead angle and disappear the effect of piece.
Fig. 3 is the structure chart of another mosaic screen provided by the embodiments of the present application.Compared to cover board described in above-mentioned Fig. 1
The panel size of 103 whole face structure is larger, has one to the more demanding of technique, and to the screen size of the mosaic screen
Fixed restriction.Therefore, the figure provide the cover board 103 be separate structure, i.e., the area size of the described cover board 103 with it is described
The area size of display panel 101 is identical, and technique requires lower, and cost is relatively low, and when use spells the adjacent cover board 103
It connects.The cover board 103 is corresponded with the display panel 101, and the bending region 103A of the cover board 103 is shown with described
Show that the frame region 101A of panel 101 is corresponding, the plane domain 103B is surrounded by the bending region 103A.
Fig. 4 is the optical schematic diagram of mosaic screen provided by the embodiments of the present application.The display panel is from display area edge
Optical thin film described in bending region directive of the light of sending through the cover board, since the micro-structure face of the optical thin film exists
Effective light convergence effect can converge to the light of the display panel edge the corresponding bezel locations, then by described
The scattering surface of optical thin film spreads light, to achieve the effect that eliminate piece.Due to the bending region of the cover board
Special designing so that the piece be can't see within the scope of positive visual angle α, micro-structure face in conjunction with the optical thin film and
Scattering surface, so that the piece be can't see within the scope of big visual angle β.When can guarantee each view, piece all can't see,
It can reach no dead angle to disappear the effect of piece.
Although above preferred embodiment is not to limit in conclusion the application is disclosed above with preferred embodiment
The application processed, those skilled in the art are not departing from spirit and scope, can make various changes and profit
Decorations, therefore the protection scope of the application subjects to the scope of the claims.
Claims (10)
1. a kind of mosaic screen characterized by comprising
The non-display area of at least two pieces of display panels, each display panel edge includes frame, described in adjacent two
Display panel forms gap in stitching portion；
Cover board is formed in the panel surface, and surface of the cover board far from the display panel side is plane, described
Cover board includes bending regional peace face region close to the surface of the display panel side；
The bending region is corresponding with the frame region of the display panel, the display of the plane domain and the display panel
Region is corresponding；And
Optical thin film is formed in the lid surface, and the optical thin film includes the upper surface far from the cover board side, and is leaned on
The lower surface of the nearly cover board side；
Wherein, the lower surface of the optical thin film includes the microstructure area of the corresponding frame region, the upper surface
Scattering region including the correspondence frame region.
2. mosaic screen according to claim 1, which is characterized in that the microstructure area and the scattering region are corresponding
Within the scope of the optical axis of the frame region.
3. mosaic screen according to claim 1, which is characterized in that the optical thin film, which corresponds to, is located at the frame region
Within the scope of optical axis, the lower surface of the optical thin film is micro-structure face, and the upper surface of the optical thin film is scattering
Face.
4. mosaic screen according to claim 1, which is characterized in that the lower surface of the optical thin film is in micro- knot
The cross sectional shape in structure region include regular distribution handstand triangle, stand upside down it is trapezoidal；Alternatively, the cross sectional shape includes irregular
The handstand triangle of distribution, handstand are trapezoidal.
5. mosaic screen according to claim 1, which is characterized in that the upper surface of the optical thin film corresponds to described dissipate
The part for penetrating region includes the particle being uniformly or non-uniformly distributed, so that the upper surface corresponds to the part tool of the scattering region
There is default roughness.
6. mosaic screen according to claim 1, which is characterized in that the mosaic screen includes at least two pieces of cover boards, and
At least two pieces of cover boards and the display panel correspond, and at least two pieces of cover boards are spliced at the gap.
7. mosaic screen according to claim 6, which is characterized in that the bending region of the cover board and the display surface
The frame region of plate is corresponding, and the bending region surrounds the plane domain.
8. mosaic screen according to claim 1, which is characterized in that exist between the cover board and the display panel default
Spacing, and the cover board is greater than the corresponding plane with spacing of the display panel between the position in the corresponding bending region
Spacing between the position in region.
9. mosaic screen according to claim 1, which is characterized in that pass through optics between the optical thin film and the cover board
Glue-line bonding, is bonded between the cover board and the display panel by air layer or the optical adhesive layer.
10. mosaic screen according to claim 1, which is characterized in that the bending region of the cover board is arc, described
It is bent the width that region is greater than the frame region in the projection width of the display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811308043.0A CN109410773A (en) | 2018-11-05 | 2018-11-05 | A kind of mosaic screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811308043.0A CN109410773A (en) | 2018-11-05 | 2018-11-05 | A kind of mosaic screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109410773A true CN109410773A (en) | 2019-03-01 |
Family
ID=65471637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811308043.0A Pending CN109410773A (en) | 2018-11-05 | 2018-11-05 | A kind of mosaic screen |
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| Country | Link |
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| CN (1) | CN109410773A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110751909A (en) * | 2019-10-31 | 2020-02-04 | 云谷（固安）科技有限公司 | Display panel and display device |
| CN111048000A (en) * | 2019-12-26 | 2020-04-21 | 深圳市华星光电半导体显示技术有限公司 | Splicing display panel and splicing display device |
| CN111445807A (en) * | 2020-04-24 | 2020-07-24 | 深圳市华星光电半导体显示技术有限公司 | L ED spliced display panel |
| CN111856806A (en) * | 2019-04-30 | 2020-10-30 | 群创光电股份有限公司 | Display device |
| CN114333610A (en) * | 2022-01-04 | 2022-04-12 | 京东方科技集团股份有限公司 | Tiled display panel and display device |
| WO2023108757A1 (en) * | 2021-12-13 | 2023-06-22 | Tcl华星光电技术有限公司 | Tiled screen and display terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114333610B (en) * | 2022-01-04 | 2023-12-05 | 京东方科技集团股份有限公司 | Spliced display panel and display device |
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Application publication date: 20190301 |
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