CN109448542A - Display screen cover board and display screen with the cover board - Google Patents
Display screen cover board and display screen with the cover board Download PDFInfo
- Publication number
- CN109448542A CN109448542A CN201811151985.2A CN201811151985A CN109448542A CN 109448542 A CN109448542 A CN 109448542A CN 201811151985 A CN201811151985 A CN 201811151985A CN 109448542 A CN109448542 A CN 109448542A
- Authority
- CN
- China
- Prior art keywords
- display screen
- cover board
- colloid portion
- screen cover
- ink
- 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.)
- Granted
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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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a kind of display screen cover board and with the display screen of the cover board, display lid plate involved in it includes substrate, ink layer and optical adhesive layer, the substrate has viewfinder area and rim area, the rim area is located at the viewfinder area periphery, the ink layer takes shape in the rim area back side, the optical adhesive layer includes being distributed in the first colloid portion at the viewfinder area back side and with first colloid portion periphery integrally connected and extending to the second colloid portion at the ink area back side, several grooves extended from first colloid portion's outer rim to second colloid portion's outer rim are formed in second colloid portion；Design structure based on optical adhesive layer in the present invention, the bubble formed at substrate back ink stepped locations is relatively easy to be discharged under pressure, and it will not remain between ink layer and substrate, bubble is recoiled to again at ink stepped locations after can discharging to avoid pressure, can so effectively improve the production yield of display screen.
Description
Technical field
The present invention relates to design of LED field more particularly to a kind of display screen cover board and with the display screen of the cover board.
Background technique
Refering to what is shown in Fig. 1, existing display screen cover board 100 includes glass substrate 11, is formed in outside 11 back side of glass substrate
Enclose the ink layer 12 in region and the optical adhesive layer 13 of connecting cover plate 100 and other layers of (not shown) of display screen；Wherein,
The intermediate hollow out of ink layer 12 is to form the display area of display screen.In the processing and making process of display screen, optical adhesive layer 13 is covered
It is placed on 11 back side intermediate region (corresponding with display area) of glass substrate and 12 back side of ink layer, to realize display screen cover board
Connection between 100 and the other layers of display screen.
It, can shape at 11 back side of glass substrate due to 12 middle part hollow out of ink layer in shown in Fig. a kind of display screen cover board 100
At ink step (i.e. ink segment difference), according to existing optical cement attaching process, tend to be formed at ink stepped locations
Bubble 14.After there is bubble, secondary de-bubble is generally carried out by the way of high pressure de-bubble；Secondary de-bubble can be in certain proportion
Upper solution part bubble product, but success rate is not very high and can largely have rebound phenomena, and it is secondary for those
The display products that de-bubble also can not be solved or be rebounded generally require return to tear processing open, and entire production process is caused to produce
Increased costs.
In view of this, it is necessary to provide a kind of technological means that can effectively solve the problem that the above technical problem.
Summary of the invention
Present invention seek to address that technical problem of the existing technology, for achieving the above object, the present invention provides
A kind of display screen cover board, specific design method are as follows.
A kind of display screen cover board, including substrate, ink layer and optical adhesive layer, the substrate have viewfinder area and frame
Area, the rim area are located at the viewfinder area periphery, and the ink layer takes shape in the rim area back side, the optical adhesive layer packet
Include the first colloid portion for being distributed in the viewfinder area back side and with first colloid portion periphery integrally connected and extend to institute
The second colloid portion at the ink area back side is stated, is formed in second colloid portion several from first colloid portion's outer rim to described
The groove that second colloid portion outer rim extends.
Further, the groove faces away from the ink layer by the table that the ink layer is close in second colloid portion
Direction be recessed molding.
Further, the groove runs through second colloid portion, two surface.
Further, every a side of Yu Suoshu optical adhesive layer, multiple groove equidistantly distributeds.
Further, the second colloid portion is not less than 0.5mm from the outside extension width of first colloid portion outer rim.
Further, the ink layer is superimposed the thickness in second colloid portion and the consistency of thickness in first colloid portion.
Further, the display screen cover board further includes adjacent second colloid portion's outer rim and fits in the ink layer back
The foam glue-line in face.
Further, the ink layer is superimposed the thickness of the foam glue-line and the consistency of thickness in first colloid portion.
Further, material is made as any one in glass, PET, PSA, PC, PMMA in the substrate.
The present invention also provides a kind of display screen, which includes above-described display screen cover board, the display screen
Also there is the display panel layer being bonded with the optical adhesive layer back side.
The beneficial effects of the present invention are: the design structure based on optical adhesive layer in display screen cover board provided by the present invention, base
The bubble formed at back ink stepped locations is relatively easy to be discharged by groove under external pressure effect, and will not remain
Between ink layer and substrate, bubble is recoiled to again at ink stepped locations after can discharging to avoid pressure, so specific
The production yield of display screen can be effectively improved in application process.
Detailed description of the invention
Fig. 1 show the cross-sectional view of display screen cover board in the prior art；
Fig. 2 show a kind of cross-sectional view of embodiment of the display screen of the invention cover board；
Fig. 3 show the enlarged diagram of the part a in Fig. 2；
Fig. 4 show the schematic rear view of optical adhesive layer；
Fig. 5 show a kind of schematic perspective view of optical adhesive layer；
Fig. 6 show the enlarged diagram of the part b in Fig. 5；
Fig. 7 show the another of optical adhesive layer of the present invention and implements structure partial enlarged diagram；
Fig. 8 show the floor map that substrate back forms ink layer；
Fig. 9 show the floor map that structured rear surface shown in Fig. 8 is fitted with optical adhesive layer；
Figure 10 show the cross-sectional view of the display screen of the invention cover board another embodiment；
Figure 11 show the enlarged diagram of the part c in Figure 10；
Figure 12 show the floor map of optical adhesive layer and the cooperation of foam glue-line；
Figure 13 show a kind of cross-sectional view of embodiment of display screen involved in the present invention.
Specific embodiment
Hereinafter, the present invention will be described in detail with reference to various embodiments shown in the accompanying drawings, referring to figure 2. to Figure 13 institute
Show, is some preferable implementation structures of the invention.
Refering to what is shown in Fig. 2, display screen cover board 200 according to the present invention includes substrate 21, ink layer 22 and optical cement
Layer 23.Wherein, substrate 21 has viewfinder area 211 and rim area 212, and rim area 212 is located at 211 periphery of viewfinder area；In conjunction with Fig. 8 institute
Show, the ink layer 22 in the present invention takes shape in 212 back side of rim area.
It is relatively easy to understand, the viewfinder area 211 in the present invention is enclosed to set by ink layer 22 to be formed.Specifically, substrate 21 by
Transparent material is made, and generallys use glass, any one in PET, PSA, PC, PMMA is made；The material of ink layer 22 is not
The ink solidification of light transmission forms, and in 200 structure of display screen cover board, the ink layer 22 positioned at 212 back side of rim area can stop
Light penetrates substrate 21；And due to no ink material in viewfinder area 211, light can pass through；In the specific implementation process,
The inside edge of ink layer 22 is smooth, so that the display screen for being equipped with the display screen cover board 200, which has, preferably shows function
Energy.
Specifically in the present invention, with reference to shown in Fig. 1, optical adhesive layer 23 includes being distributed in the first of 211 back side of viewfinder area
Colloid portion 231 and with 231 periphery integrally connected of the first colloid portion and extend to the second colloid portion 232 at 22 back side of ink area.
As shown in connection with fig. 4, it is formed in the second colloid portion 232 in the present invention several from 231 outer rim of the first colloid portion to the second colloid portion
The groove 230 that 232 outer rims extend.
Further combined with shown in Fig. 8, Fig. 9, in the present invention area size in the first colloid portion 232 substantially with viewfinder area 211
Area size it is consistent, i.e., after optical adhesive layer 23 fits in 21 back side of substrate, groove 230 is from 22 inside edge position of ink layer
Place extends outwardly.In this way, the gas formed (i.e. at the inside edge position of ink layer 22) at 21 backside ink stepped locations of substrate
Bubble is relatively easy to be discharged outside to by groove 230 under external pressure effect, and will not remain in ink layer 22 and substrate 21
Between, bubble is recoiled to again at ink stepped locations after can discharging to avoid pressure, can so be had in the specific application process
Effect improves the production yield of display screen.
In conjunction with shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, in this specific embodiment, groove 230 is close to ink by the second colloid portion 232
One table of layer 22 faces away from the direction recess molding of ink layer 22.Specifically, having in optical adhesive layer 23 in the present embodiment
One surface of groove 230 is arranged towards 21 back side of substrate, when forming bubble so at 21 backside ink stepped locations of substrate, outside
Portion's pressure can make the bubble be expelled directly out from groove 230.
Refering to what is shown in Fig. 7, in another embodiment of the invention, groove 230 runs through 232 liang of the second colloid portion surface, base
The function having the same of optical adhesive layer 23 of the structure shown in the optical adhesive layer 23 and Fig. 6 of the structure, may be implemented bubble
Smooth discharge.
It is of the invention it is another be not shown in the figure in embodiment, groove 230 is by the second colloid portion 232 far from ink layer 22
One surface is recessed towards the direction for being close to ink layer 22 to be formed, i.e., the surface in optical adhesive layer 23 with groove 230 is backwards to substrate
21 settings.In this way, being acted on based on external pressure, optical adhesive layer 23 when forming bubble at 21 backside ink stepped locations of substrate
Corresponding to certain deformation can be generated at 230 position of groove, so that bubble is smoothly discharged；And after bubble discharge, once
External pressure release, optical adhesive layer 23 correspond to 230 position of groove and are in and can restore original-shape to a certain extent, and make the
Ink layer 22 is close to towards a surface of substrate 21 by two colloid portions 232, to effectively outside air be avoided to be again introduced into optical cement
Between layer 23 and substrate 21.
In the present invention, in every a side of optical adhesive layer 23, several 230 equidistantly distributeds of groove.With reference to Fig. 4, Fig. 5 institute
Show, in the specific embodiment, optical adhesive layer 23 is in rectangle, and several grooves 230 are distributed on four sides of optical adhesive layer 23,
230 equidistantly distributed of multiple grooves on each side.
As the preferred embodiment of the present invention, the second colloid portion 232 is wide from the outside extension of 231 outer rim of the first colloid portion
Degree is not less than 0.5mm, so may insure that viewfinder area 11 can be completely covered in optical adhesive layer 23, and make the side of optical adhesive layer 23
There is enough bonding forces between edge and ink layer 22.In the specific implementation process, the outer rim in the second colloid portion 232 can abut
To the marginal position of substrate 21, the outer rim in the second colloid portion 232 can also only be located at the marginal position of substrate 21 as shown in Figure 2
Inside.
Refering to what is shown in Fig. 3, the ink layer 22 in the present embodiment is superimposed thickness and the first colloid portion in the second colloid portion 232
231 consistency of thickness, the i.e. back side of optical adhesive layer 23 have more even curface, in order to which display screen cover board 200 passes through light
It learns and forms excellent bonding matching relationship between glue-line 23 and the other layers of display screen.
As another embodiment of the present invention, when the outer rim in the second colloid portion 232 is located in the marginal position of substrate 21
When side, with reference to shown in Figure 10, Figure 11, Figure 12, the display screen cover board 200 in the present embodiment further includes adjacent second colloid portion 232
Outer rim and the foam glue-line 24 for fitting in 22 back side of ink layer.
Due to the setting of foam glue-line 24, pass through optical adhesive layer 23 and other layers of display screen formation in display screen cover board 200
It, can be to avoid forming gap on the outside of 232 edge of the second colloid portion between the other layers of display screen and ink layer 22 when bonding.As
A kind of specific implementation structure of present embodiment, with reference to shown in Figure 11, ink layer 22 is superimposed the thickness and first of foam rubber layer 24
The consistency of thickness in colloid portion 231.
With reference to shown in Figure 13, the present invention also provides a kind of display screen, the display screen include more than display screen cover board 20
And the display panel layer 3 being bonded with 23 back side of optical adhesive layer.In different implementation structures, display panel layer 3 and optical adhesive layer
The specific component of 23 fittings can be adjusted according to the specific structure of display screen.For example, in some implementation structures, display panel
The specific component that layer 3 is bonded with optical adhesive layer 23 can be polaroid；And in some implementation structures, display panel layer 3 and light
Learning the specific component that glue-line 23 is bonded is touch-control glass；It is not unfolded one by one herein specifically.
In conjunction with shown in Figure 13, based on the design structure of display screen cover board 200, the top surface of display panel layer 3 and display lid
The back side of plate is capable of forming preferable plane bonding.In the specific manufacturing process of the display screen shown in Figure 13, optical adhesive layer 23 is pre-
It is first attached at the top surface of display panel layer 3, and foam glue-line 24 is attached at 22 back side of ink layer in advance, then by display screen cover board
200 back side conforms to the top surface of display panel layer 3, to constitute the display screen with cover board.Display screen cover board 200 conforms to
After display panel layer 3, bubble described above, both can realize that bubble was eliminated in such a way that two sides press, tool if it exists
Body operational means refers to the prior art, does not do tired state herein.
In the present invention, for constituting each layer of structure of display screen cover board 200, the back side refers to using in user
When display screen, the one side far from eyes of user.
It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book
With the other embodiments of understanding.
The series of detailed descriptions listed above only for feasible embodiment of the invention specifically
Protection scope bright, that they are not intended to limit the invention, it is all without departing from equivalent implementations made by technical spirit of the present invention
Or change should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of display screen cover board, including substrate, ink layer and optical adhesive layer, the substrate has viewfinder area and rim area,
The rim area is located at the viewfinder area periphery, and the ink layer takes shape in the rim area back side, which is characterized in that the light
Learn glue-line include be distributed in the first colloid portion at the viewfinder area back side and with first colloid portion periphery integrally connected simultaneously
The second colloid portion at the ink area back side is extended to, is formed in second colloid portion several from outside first colloid portion
The groove that edge extends to second colloid portion's outer rim.
2. display screen cover board according to claim 1, which is characterized in that the groove is close to institute by second colloid portion
The table for stating ink layer faces away from the direction recess molding of the ink layer.
3. display screen cover board according to claim 2, which is characterized in that the groove runs through second colloid portion, two table
Face.
4. display screen cover board according to claim 1, which is characterized in that every a side of Yu Suoshu optical adhesive layer, it is multiple
The groove equidistantly distributed.
5. display screen cover board according to claim 1, which is characterized in that the second colloid portion is from first colloid portion outer rim
Outside extension width is not less than 0.5mm.
6. display screen cover board according to claim 1, which is characterized in that the ink layer is superimposed second colloid portion
The consistency of thickness of thickness and first colloid portion.
7. display screen cover board described in -6 any one according to claim 1, which is characterized in that the display screen cover board further includes
Adjacent second colloid portion's outer rim and the foam glue-line for fitting in the ink layer back side.
8. display screen cover board according to claim 7, which is characterized in that the ink layer is superimposed the thickness of the foam glue-line
The consistency of thickness of degree and first colloid portion.
9. display screen cover board described in -6 any one according to claim 1, which is characterized in that it is glass that material, which is made, in the substrate
Any one in glass, PET, PSA, PC, PMMA.
10. a kind of display screen, which is characterized in that described aobvious including display screen cover board described in any one of claim 1-9
Display screen also has the display panel layer being bonded with the optical adhesive layer back side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811151985.2A CN109448542B (en) | 2018-09-29 | 2018-09-29 | Display screen cover plate and display screen with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811151985.2A CN109448542B (en) | 2018-09-29 | 2018-09-29 | Display screen cover plate and display screen with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109448542A true CN109448542A (en) | 2019-03-08 |
| CN109448542B CN109448542B (en) | 2021-07-09 |
Family
ID=65545942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811151985.2A Active CN109448542B (en) | 2018-09-29 | 2018-09-29 | Display screen cover plate and display screen with same |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110764651A (en) * | 2019-10-25 | 2020-02-07 | 业成科技（成都）有限公司 | Display device |
| CN111862808A (en) * | 2020-06-28 | 2020-10-30 | 京东方科技集团股份有限公司 | Display cover plate, preparation method thereof and flexible display device |
| CN112689864A (en) * | 2019-08-19 | 2021-04-20 | 京东方科技集团股份有限公司 | Foldable display screen, manufacturing method thereof and display device |
| CN113327511A (en) * | 2021-06-03 | 2021-08-31 | 业成科技（成都）有限公司 | Display device and electronic apparatus |
| WO2022037148A1 (en) * | 2020-08-19 | 2022-02-24 | 昆山国显光电有限公司 | Display panel and sound box |
| WO2022100213A1 (en) * | 2020-11-11 | 2022-05-19 | 荣耀终端有限公司 | Cover body structure, back cover, and electronic device |
| CN114613259A (en) * | 2020-12-03 | 2022-06-10 | 乐金显示有限公司 | Display device |
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| Publication number | Publication date |
|---|---|
| CN109448542B (en) | 2021-07-09 |
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Application publication date: 20190308 Assignee: Yungu (Gu'an) Technology Co., Ltd.|Bazhou Yungu Electronic Technology Co., Ltd.|Kunshan Institute of technology new flat panel display technology center Co., Ltd Assignor: Kunshan Guo Xian Photoelectric Co., Ltd. Contract record no.: X2019990000156 Denomination of invention: Display screen cover plate and display screen with same License type: Common License Record date: 20191030 |
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