CN110444118A - A kind of cover board and its display device - Google Patents
A kind of cover board and its display device Download PDFInfo
- Publication number
- CN110444118A CN110444118A CN201910694674.9A CN201910694674A CN110444118A CN 110444118 A CN110444118 A CN 110444118A CN 201910694674 A CN201910694674 A CN 201910694674A CN 110444118 A CN110444118 A CN 110444118A
- Authority
- CN
- China
- Prior art keywords
- cover board
- buffer
- accommodating space
- board according
- bent area
- 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
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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
- G09F9/301—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 flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
Abstract
The present invention relates to a kind of cover board and its display devices, on the one hand, buffer layer of the present invention includes buffer structure and the buffering accommodating space being set between the buffer structure, and the buffer function of cover board can be improved with this；On the other hand, the density of setting of the buffering accommodating space of the non-bent area is less than the density of setting of the buffering accommodating space of the bent area by the present invention, with the rigidity of this cover board for guaranteeing non-bent area, it is easy to implement the bent performance of the cover board of bent area, improves the wear-resisting property of cover board.
Description
Technical field
The present invention relates to field of display technology, and in particular to a kind of cover board and its display device.
Background technique
Display device can be transformed into the data of computer various texts, number, symbol or intuitive image and show
Come, and can use the input tools such as keyboard and order or data is inputted computer, by system hardware and software at any time
Increase, revise, converting display content.Display device according to display device used be divided into plasma, liquid crystal, light emitting diode and
The types such as cathode-ray tube.
With the development of display industry, demand of the people to terminal display screen is increasing, it is desirable that and it is higher and higher, such as
Increasing in the mancarried device of mobile phone, plate, personal computer etc. using the demand of large scale screen.Compared to biography
System display screen, flexible display screen is with the obvious advantage, not only more frivolous in volume, and original device is lower than in power consumption, meanwhile, it is based on it
Characteristic flexible, flexibility is good, robustness also greatly improve.Screen size is bigger, is easier to the features such as portable exactly
It is the development trend of display industry.
Common foldable display device the top is cover board, is played a protective role, mainly protecting against shock and scratch-resistant.Lid
The common preparation method of plate is often realized with very thin thickness or multilayered structure.The cover board that such technique is made is because of its knot
On the one hand the homogeneity of structure is easy to be impacted, cover board can not be buffered, and the impact being subject to easily is passed to display panel
Element in turn results in the problems such as device failure finally causes bright line, blackspot；On the other hand, it is prepared by the thin plate of multilayered structure
Cover board, can absorb impact well, however, the connection between thin plate and thin plate is extremely important because the thin plate number of plies is more,
It is more easy to appear obscission, in turn results in the bad phenomenon of display.The cover board being currently known, with display panel it is compound after,
The effect of buffering can not be played, it is therefore desirable to seek the novel cover board of one kind to solve the above problems.
Summary of the invention
It is an object of the present invention to provide a kind of cover board and its display device, buffer function can be played, and can
Bring obscission is folded to eliminate relatively thin multilayer cover sheetpile, and then improves display effect.
To solve the above-mentioned problems, an embodiment of the invention provides a kind of cover board, including: basal layer,
Buffer layer and hardening coat.Wherein the buffer layer is set on the basal layer；The hardening coat is set to described slow
It rushes on layer；The buffer layer includes buffer structure and the buffering accommodating space being set between the buffer structure.
Further, wherein cover board definition has bent area and non-bent area, wherein the bent area is bent area, institute
The buffering accommodating space density of setting for stating non-bent area is less than the buffering accommodating space density of setting of the bent area.
Further, wherein the buffering accommodating space shape includes one of rectangle, circle, ellipse, triangle
Or it is a variety of.
Further, wherein the buffer structure includes being spaced apart from each other the buffer bar of setting and being arranged at intervals at described two
Buffer stopper between two adjacent buffer bars.
Further, wherein the length range of the buffer stopper be 0-3um, width range 0-3um, thickness range 0-
3um。
Further, wherein the composition material of the buffer structure of the buffer layer includes poly terephthalic acid class plastics, gathers
One of acid imide is a variety of.
Further, wherein the composition material of the basal layer includes poly terephthalic acid class plastics, in polyimides
It is one or more.
Further, wherein the hardening coat is by the polymer based on polymethyl methacrylate and based on the polymerization of silicon
Object mixing composition.
Further, wherein the range of solid content of the composition material of the hardening coat is 30%-40%.
Another embodiment of the invention additionally provides a kind of display device, including cover board of the present invention.
The invention has the advantages that the present invention relates to a kind of cover board and its display devices, on the one hand, cover board of the invention is equipped with
Buffer layer, the buffer layer include buffer structure and the buffering accommodating space being set between the buffer structure, can with this
To improve the buffer function of cover board；On the other hand, the present invention is small by the density of setting of the buffering accommodating space of the non-bent area
It is easy to implement curved in the density of setting of the buffering accommodating space of the bent area with the rigidity of this cover board for guaranteeing non-bent area
The bent performance of the cover board of folding area, improves the wear-resisting property of cover board.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those skilled in the art, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the structural schematic diagram of cover board of the present invention.
Fig. 2 is the structural schematic diagram of the buffer layer of cover board of the present invention.
Fig. 3 is the structural schematic diagram of the display device of that present invention.
Component mark is as follows in figure:
100, cover board 101, bent area
102, non-bent area 1, basal layer
2, buffer layer 3, hardening coat
21, buffer structure 22, buffering accommodating space
211, buffer bar 212, buffer stopper
200, display panel
Specific embodiment
Below in conjunction with Figure of description, the preferred embodiments of the present invention are described in detail, with complete to those of skill in the art
It is whole to introduce technology contents of the invention, prove that the present invention can be implemented with citing, so that technology contents disclosed by the invention are more
It is clear, so that will more readily understand how implement the present invention by those skilled in the art.However the present invention can pass through many differences
The embodiment of form emerges from, and protection scope of the present invention is not limited only to the embodiment mentioned in text, Examples below
The range that is not intended to limit the invention of explanation.
The direction term that the present invention is previously mentioned, for example, "upper", "lower", "front", "rear", "left", "right", "inner", "outside", "
Side " etc. is only the direction in attached drawing, and direction term used herein is of the invention for explanation and illustration, rather than is used
To limit the scope of protection of the present invention.
In the accompanying drawings, the identical component of structure is indicated with same numbers label, everywhere the similar component of structure or function with
Like numeral label indicates.In addition, in order to facilitate understanding and description, the size and thickness of each component shown in the drawings are any
It shows, the present invention does not limit the size and thickness of each component.
When certain components, when being described as " " another component "upper", the component can be placed directly within described another group
On part；There may also be an intermediate module, the component is placed on the intermediate module, and the intermediate module is placed in another group
On part.When a component is described as " installation is extremely " or " being connected to " another component, the two can be understood as direct " installation "
Or " connection " or a component pass through an intermediate module " installation is extremely " or " being connected to " another component.
Embodiment 1
As shown in Figure 1, a kind of cover board 100, the definition of cover board 100 has bent area 101 and non-bent area 102.Wherein institute
Stating cover board includes: basal layer 1, buffer layer 2 and hardening coat 3.
Wherein the composition material of the basal layer 1 includes one of poly terephthalic acid class plastics, polyimides or more
Kind.Thus manufactured basal layer 1 has good flexibility, especially with basal layer 1 made of polyimides with more good
Light transmission.
As shown in Figure 1, 2, wherein the buffer layer 2 is set on the basal layer 1.The buffer layer 2 includes buffering knot
Structure 21 and the buffering accommodating space 22 being set between the buffer structure 21, the buffer function of cover board 100 can be improved with this.
Wherein the composition material of the buffer structure 21 of the buffer layer 2 includes poly terephthalic acid class plastics, polyimides
One of or it is a variety of, it is possible thereby to preferably increase cover board 100 buffer function.
Wherein 22 shape of buffering accommodating space includes one of rectangle, circle, ellipse, triangle or a variety of.
The shape that accommodating space 22 is buffered described in the present embodiment is rectangle, specifically, the buffer structure 21 includes being spaced apart from each other to set
The buffer bar 211 set and it is arranged at intervals at buffer stopper 212 between the adjacent buffer bar 211 two-by-two.The wherein buffering
The length range of block 212 is 0-3um, width range 0-3um, thickness range 0-3um, it is preferred that the buffer stopper 212
Length is 2um, width 1um, with a thickness of 1um, the pressure generated when can alleviate cover board bending by accommodating space 22 with this,
Thus achieve the effect that the buffer layer 2 to be formed improves the buffer function of cover board 100.
The buffering that wherein buffering 22 density of setting of accommodating space of the non-bent area 102 is less than the bent area 101 is received
Hold 22 density of setting of space, not only guarantees the rigidity of the cover board 100 of non-bent area 102 with this, but also the lid of bent area 101 can be improved
The bent performance of plate 100 improves the wear-resisting property of cover board 100.
As shown in Figure 1, wherein the hardening coat 3 is set on the buffer layer 2.Wherein the hardening coat 2 is by having
Machine object and inorganic matter are mixed to form, wherein the range of solid content of the composition material of the hardening coat 2 is 30%-40%.Specifically
, the organic matter can be the polymer based on polymethyl methacrylate, and the inorganic matter can be the polymerization based on silicon
Object.
Further, wherein the polymer based on polymethyl methacrylate can be containing epoxy group, propylene
One of polymer of perester radical is a variety of.
Further, wherein the polymer based on silicon can be one of epoxysilicone, silsesquioxane
Or it is a variety of.
Specifically, basal layer 1 can be formed by being coated with PI solution on the glass substrate；Then on the basal layer 1
Coated with buffer layer material carries out UV exposure curing by special light shield, to be formed including buffer structure 21 and be set to institute
State the buffer layer 2 of the buffering accommodating space 22 between buffer structure 21；After the completion of to be solidified, upper, buffer layer 2 exists basal layer 1
Under, bottom be coated with hardening coat material, and by the solid content of hardening coat material control between 30%-40%, it is laggard
Row UV curing and drying can form above-mentioned cover board 100.
As shown in figure 3, another embodiment of the invention additionally provides a kind of display device, related to including the present invention
And cover board 100 and be set to the display panel 200 of 100 lower section of the cover board.It is able to solve existing display device because
Vulnerable to impact caused by covering plate structure homogeneity, it can not buffer, easily pass to the element of display panel, in turn result in because of device
The problems such as damage causes bright line, blackspot.Since the cover board is equipped with buffer layer, the buffer layer includes buffer structure and setting
Cover board can be improved to the buffer function of stress with this in buffering accommodating space between the buffer structure；And the lid
The setting for the buffering accommodating space that the density of setting of the buffering accommodating space of the non-bent area is less than the bent area by plate is close
Degree, with the rigidity of this cover board for guaranteeing non-bent area, is easy to implement the bent performance of the cover board of bent area, improves the resistance to of cover board
Grind performance.It is possible thereby to improve display device for the buffer function of stress, and improve the bending performance of display device.
As shown in figure 3, the definition of display panel 200 has bent area and non-bent area, also, the bent area of the cover board
101 is corresponding with the bent area of the display panel 200, and the non-bent area 102 of the cover board is non-with the display panel 200
Bent area is corresponding.It is possible thereby to improve the whole bending resistance of display device.
Cover board provided by the present invention and its display device are described in detail above.It should be understood that as described herein
Illustrative embodiments should be to be considered only as descriptive, be used to help understand method and its core concept of the invention, and simultaneously
It is not used in the limitation present invention.The description of features or aspect should be usually considered suitable for it in each illustrative embodiments
Similar features or aspects in his exemplary embodiment.Although reference example embodiment describes the present invention, it can suggest institute
The technical staff in category field carries out various change and change.The invention is intended to cover these in the scope of the appended claims
Variation and change, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of cover board characterized by comprising
Basal layer；
Buffer layer, the buffer layer are set on the basal layer；And
Hardening coat, the hardening coat are set on the buffer layer；
The buffer layer includes buffer structure and the buffering accommodating space being set between the buffer structure.
2. cover board according to claim 1, which is characterized in that its definition has bent area and non-bent area, the non-bending
The buffering accommodating space density of setting in area is less than the buffering accommodating space density of setting of the bent area.
3. cover board according to claim 1, which is characterized in that the buffering accommodating space shape includes rectangle, circle, ellipse
One of round, triangle is a variety of.
4. cover board according to claim 1, which is characterized in that the buffer structure includes the buffer bar for being spaced apart from each other setting
And it is arranged at intervals at buffer stopper between the adjacent buffer bar two-by-two.
5. cover board according to claim 4, which is characterized in that the length range of the buffer stopper is 0-3um, width range
For 0-3um, thickness range 0-3um.
6. cover board according to claim 1, which is characterized in that the composition material of the buffer structure of the buffer layer includes poly-
One of terephthaldehyde's acids plastics, polyimides are a variety of.
7. cover board according to claim 1, which is characterized in that the composition material of the basal layer includes poly terephthalic acid
One of class plastics, polyimides are a variety of.
8. cover board according to claim 1, which is characterized in that the hardening coat is by based on polymethyl methacrylate
Polymer and based on silicon mixed with polymers composition.
9. cover board according to claim 8, which is characterized in that the range of solid content of the composition material of the hardening coat is
30%-40%.
10. a kind of display device, which is characterized in that including cover board described in any one of claim 1-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910694674.9A CN110444118A (en) | 2019-07-30 | 2019-07-30 | A kind of cover board and its display device |
| PCT/CN2019/110796 WO2021017171A1 (en) | 2019-07-30 | 2019-10-12 | Cover plate and display device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910694674.9A CN110444118A (en) | 2019-07-30 | 2019-07-30 | A kind of cover board and its display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110444118A true CN110444118A (en) | 2019-11-12 |
Family
ID=68432250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910694674.9A Pending CN110444118A (en) | 2019-07-30 | 2019-07-30 | A kind of cover board and its display device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110444118A (en) |
| WO (1) | WO2021017171A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113087402A (en) * | 2019-12-23 | 2021-07-09 | Uti有限公司 | Flexible covering window |
| CN115019643A (en) * | 2022-03-31 | 2022-09-06 | 武汉天马微电子有限公司 | Composite buffer structure, preparation method thereof and display device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204801184U (en) * | 2015-07-09 | 2015-11-25 | 深圳市臻元庆科技有限公司 | Transparent optics hard coating film with breakage -proof screen function |
| CN105975135A (en) * | 2016-06-22 | 2016-09-28 | 联想(北京)有限公司 | Display device, electronic equipment and manufacturing method of display device |
| JP2017021181A (en) * | 2015-07-10 | 2017-01-26 | コニカミノルタ株式会社 | Optical film, polarizing plate, and image display device |
| CN109872629A (en) * | 2019-01-31 | 2019-06-11 | 武汉天马微电子有限公司 | Cover board and display device |
| CN109940948A (en) * | 2019-03-29 | 2019-06-28 | 京东方科技集团股份有限公司 | A kind of preparation method of flexible cover plate, display device and flexible cover plate |
-
2019
- 2019-07-30 CN CN201910694674.9A patent/CN110444118A/en active Pending
- 2019-10-12 WO PCT/CN2019/110796 patent/WO2021017171A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204801184U (en) * | 2015-07-09 | 2015-11-25 | 深圳市臻元庆科技有限公司 | Transparent optics hard coating film with breakage -proof screen function |
| JP2017021181A (en) * | 2015-07-10 | 2017-01-26 | コニカミノルタ株式会社 | Optical film, polarizing plate, and image display device |
| CN105975135A (en) * | 2016-06-22 | 2016-09-28 | 联想(北京)有限公司 | Display device, electronic equipment and manufacturing method of display device |
| CN109872629A (en) * | 2019-01-31 | 2019-06-11 | 武汉天马微电子有限公司 | Cover board and display device |
| CN109940948A (en) * | 2019-03-29 | 2019-06-28 | 京东方科技集团股份有限公司 | A kind of preparation method of flexible cover plate, display device and flexible cover plate |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113087402A (en) * | 2019-12-23 | 2021-07-09 | Uti有限公司 | Flexible covering window |
| CN113087402B (en) * | 2019-12-23 | 2023-08-25 | Uti有限公司 | flexible cover window |
| CN115019643A (en) * | 2022-03-31 | 2022-09-06 | 武汉天马微电子有限公司 | Composite buffer structure, preparation method thereof and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021017171A1 (en) | 2021-02-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191112 |
|
| RJ01 | Rejection of invention patent application after publication |