CN110047393A - A kind of cover board of bent display panel, bent display panel and display device - Google Patents
- ️Tue Jul 23 2019
Info
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Publication number
- CN110047393A CN110047393A CN201910347393.6A CN201910347393A CN110047393A CN 110047393 A CN110047393 A CN 110047393A CN 201910347393 A CN201910347393 A CN 201910347393A CN 110047393 A CN110047393 A CN 110047393A Authority
- CN
- China Prior art keywords
- area
- bent
- cover board
- display panel
- glass substrate Prior art date
- 2019-04-28 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.)
- Pending
Links
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
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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
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention provides a kind of cover board of bent display panel, and the cover board includes glass substrate, and the glass baseplate surface is formed with depressed area, and the depressed area is by the thinning glass substrate to bent thickness；Also, flexible material is filled in the depressed area, to cooperate the glassy layer of the depressed area to form the bendable folding area of the cover board；The utility model has the advantages that the embodiment of the present invention, by using glass in non-bent area, in the structure that bendable folding area adds flexible material to fill using ultra-thin glass, reaching reduces the cost of bent cover board, improves surface hardness and enhances the technical effect of user's feel.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of cover boards of bent display panel, bent display surface Plate and display device.
Background technique
As the technology of flexible OLED constantly develops, flexible OLED display is more and more wider in the terminals utilization such as mobile phone General, it is a hair from the DF (foldable) in present SF (fixed curvature) to future that the terminals such as mobile phone, which show more and more diversified, Exhibition trend, wherein the cover board utilization of folding mobile phone is also more and more extensive, the foldable cover (CW) that present tradition uses is main If adding hard coat on transparent PI (polyimides), using the foldable cover of this sampling technology can exist cost compared with High, the problems such as surface hardness is inadequate, feel is bad.
In conclusion the cover board of the bent display panel of the prior art, adds hard coat on transparent PI due to using Structure, lead to that higher cost, surface hardness are inadequate, feel is bad.Therefore, it is necessary to a kind of new bent display panel is provided Cover board improve this defect.
Summary of the invention
The embodiment of the present invention provides a kind of cover board of bent display panel, for solving the bent display of the prior art The cover board of panel, due to using the structure for adding hard coat on transparent PI, cause higher cost, surface hardness not enough, feel Bad technical problem.
The embodiment of the present invention provides a kind of cover board of bent display panel, and the cover board includes glass substrate, the glass Glass substrate surface is formed with depressed area, and the depressed area is by the thinning glass substrate to bent thickness；Also, the recess Flexible material is filled in area, to cooperate the glassy layer of the depressed area to form the bendable folding area of the cover board.
According to one preferred embodiment of the present invention, the region except the bendable folding area of the cover board is non-bent area, described non- The thickness range of the glass substrate of bent area is 0.5 millimeter to 1 millimeter.
According to one preferred embodiment of the present invention, the thickness range of the glass substrate of the bendable folding area be 0.03 millimeter extremely 0.1 millimeter.
According to one preferred embodiment of the present invention, the sum of the thickness of glassy layer of the flexible material and the depressed area, with The thickness of the glass substrate of the non-bent area is equal.
According to one preferred embodiment of the present invention, in the glass substrate, the bendable folding area is connected with buffer area, described slow It rushes area and is connected with non-bent area；The glassy layer of the buffer area is thinner than the glass substrate, and is thicker than the glass of the bendable folding area The glassy layer of glass layer, the glassy layer of the buffer area and the bendable folding area forms stepped recesses, filling in the stepped recesses Flexible material.
According to one preferred embodiment of the present invention, the stepped recesses include positioned at the bendable folding area square groove and Positioned at the buffer area and the groove body of the connection square groove, the cross sectional shape of the groove body is rectangle, triangle or arc.
The flexible material described according to one preferred embodiment of the present invention is polyimides.
According to one preferred embodiment of the present invention, the glass baseplate surface is provided with black out ink, the black out ink with The four edges of the glass substrate are corresponding, and are located at the side of depressed area opening, for separating the cover board corresponding to institute State viewing area and the non-display area of bent display panel.
The embodiment of the present invention provides a kind of bent display panel, and the bent display panel includes above-mentioned cover board.
The embodiment of the present invention provides a kind of display device, and the display device includes above-mentioned bent display panel.
The utility model has the advantages that a kind of cover board of bent display panel provided in an embodiment of the present invention, by making in non-bent area With glass, in the structure that bendable folding area adds flexible material to fill using ultra-thin glass, reaching reduces the cost of bent cover board, mentions High surface hardness and the technical effect for enhancing user's feel.
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 floor map of the cover board of bent display panel provided in an embodiment of the present invention；
Fig. 2 is the cross-section diagram of the cover board for the bent display panel that first embodiment of the invention provides；
Fig. 3 a~3c is the cross-section diagram of the cover board for the bent display panel that second embodiment of the invention provides.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those skilled in the art's every other implementation obtained without making creative work Example, shall fall within the protection scope of the present invention.
The cover board of the bent display panel of the prior art, due to leading using the structure for adding hard coat on transparent PI Cause higher cost, surface hardness is inadequate, feel is bad, and the present embodiment is able to solve the defect.
As shown in Figure 1, the floor map of the cover board of bent display panel provided in an embodiment of the present invention, it can from figure To be intuitive to see very much the part composed structure of the cover board of bent display panel of the invention, the cover board includes glass base Plate, the glass baseplate surface define bendable folding area 101 and the non-bent area positioned at 101 two sides of bendable folding area 102, the glass baseplate surface is provided with ink frame 103, and the ink frame 103 is a kind of black out ink, for that will show The non-display area of showing device separates, the frame of similar mobile phone.
Wherein, the glass substrate of the bendable folding area 101 is by being thinned to bent thickness, and filling flexible material, this One structure makes the cover board have bendable folding endurance, and reduces costs, and improves surface hardness and touch feeling.
As shown in Fig. 2, the cross-section diagram of the cover board for the bent display panel that first embodiment of the invention provides, it can from figure To be intuitive to see very much the part composed structure of the cover board of bent display panel of the invention, the cover board includes glass base Plate, the glass baseplate surface are formed with depressed area 203, and the depressed area 203 is by the thinning glass substrate to bent thickness Degree；Also, it is filled with flexible material in the depressed area 203, it is described to cooperate the glassy layer 204 of the depressed area 203 to be formed The bendable folding area 201 of cover board.
In this embodiment, the region except the bendable folding area 201 of the cover board is non-bent area 202, the non-bending The thickness range of the glass substrate in area 202 is 0.5 millimeter to 1 millimeter, the thickness of the glass substrate 204 of the bendable folding area 201 Range is 0.03 millimeter to 0.1 millimeter, the sum of the thickness of the glassy layer 204 of the flexible material and the depressed area 203, with institute The thickness for stating the glass substrate 205 of non-bent area 202 is equal；The glass baseplate surface is provided with black out ink 206, the screening Light ink 206 is corresponding with the four edges of the glass substrate, and is located at the side of the depressed area 203 opening, for separating State viewing area and non-display area of the cover board corresponding to the bent display panel.
Wherein, the flexible material is polyimides, the thinning glass substrate technique of the depressed area be chemical etching or Person's computer numerical control cutter or laser, in the production process, first by common glass substrate mark off bendable folding area and Then non-bent area determines the cup depth of bendable folding area, reuse reduction process and carry out to glass substrate thinned, finally fill The follow-up process such as flexible material, production ink frame, complete the production of cover board.
As shown in Fig. 3 a~3c, the cross-section diagram of the cover board for the bent display panel that second embodiment of the invention provides, from The part composed structure of the cover board of bent display panel of the invention can be intuitive to see very much in figure, the cover board includes glass Glass substrate, the glass baseplate surface are formed with depressed area 304, and the depressed area 304 is by the thinning glass substrate to bendable Roll over thickness；Also, it is filled with flexible material in the depressed area 304, to cooperate the glassy layer 305 of the depressed area 304 to be formed The bendable folding area 301 of the cover board；Wherein, the bendable folding area 301 is connected with buffer area 303, and the buffer area 303 is connected with Non- bent area 302, the thickness range of the glass substrate of the non-bent area 302 are 0.5 millimeter to 1 millimeter, the bendable folding area The thickness range of 301 glass substrate 305 is 0.03 millimeter to 0.1 millimeter；The flexible material of the bendable folding area 301 with it is described The sum of the thickness of the glassy layer 305 of depressed area 304 is equal with the thickness of glass substrate 306 of the non-bent area 302；It is described Glass baseplate surface is provided with black out ink 308, and the black out ink 308 is corresponding with the four edges of the glass substrate, and position In the depressed area 304 opening side, for separate the cover board corresponding to the bent display panel viewing area with Non-display area.
Correspondingly, the glassy layer of the buffer area 303 is thinner than the glass substrate, and is thicker than institute in the glass substrate State the glassy layer 305 of bendable folding area, the formation step of glassy layer 305 of the glassy layer of the buffer area 303 and the bendable folding area Groove, the stepped recesses are interior to be filled with flexible material；The stepped recesses include positioned at the bendable folding area square groove, with And positioned at the buffer area 303 and the groove body of the connection square groove, the cross sectional shape of the groove body is rectangle 307 (as schemed 3a), triangle 309 (such as Fig. 3 b) or arc 310 (such as Fig. 3 c).
Specifically, the flexible material is the glass base of polyimides, the depressed area 304 and the buffer area 303 Plate reduction process is chemical etching or computer numerical control cutter or laser, in the production process, first by common glass Substrate marks off bendable folding area, non-bent area and buffer area, then determines cup depth and the buffer area of bendable folding area Groove shapes and depth reuse reduction process and carry out thinned, last filling flexible material, production ink side to glass substrate The follow-up process such as frame complete the production of cover board.
In this embodiment, by the way that buffer area is arranged between bendable folding area and non-bent area, a part bending can be offset Stress reduces glass and is damaged, can extend the service life of product.
The embodiment of the present invention provides a kind of bent display panel, and the bent display panel includes above-mentioned cover board.
The embodiment of the present invention provides a kind of display device, and the display device includes above-mentioned bent display panel.
In conclusion a kind of cover board of bent display panel provided in an embodiment of the present invention, by making in non-bent area With glass, in the structure that bendable folding area adds flexible material to fill using ultra-thin glass, reaching reduces the cost of bent cover board, mentions High surface hardness and the technical effect for enhancing user's feel, solve the cover board of the bent display panel of the prior art, by In using the structure for adding hard coat on transparent PI, the technology that higher cost, surface hardness are inadequate, feel is bad is caused to be asked Topic.
It is provided for the embodiments of the invention the cover board of bent display panel a kind of, bent display panel and aobvious above Showing device is described in detail.It should be understood that illustrative embodiments as described herein should be to be considered only as descriptive, it is used for It facilitates the understanding of the method and its core concept of the invention, and is not intended to restrict the invention.
Claims (10)
1. a kind of cover board of bent display panel, which is characterized in that the cover board includes glass substrate, the glass substrate table Face is formed with depressed area, and the depressed area is by the thinning glass substrate to bent thickness；Also, it is filled in the depressed area Flexible material, to cooperate the glassy layer of the depressed area to form the bendable folding area of the cover board.
2. the cover board of bent display panel as described in claim 1, which is characterized in that except the bendable folding area of the cover board Region be non-bent area, the thickness range of the glass substrate of the non-bent area is 0.5 millimeter to 1 millimeter.
3. the cover board of bent display panel as claimed in claim 2, which is characterized in that the glass substrate of the bendable folding area Thickness range be 0.03 millimeter to 0.1 millimeter.
4. the cover board of bent display panel as claimed in claim 3, which is characterized in that the flexible material and the recess The sum of the thickness of glassy layer in area is equal with the thickness of glass substrate of the non-bent area.
5. the cover board of bent display panel as described in claim 1, which is characterized in that in the glass substrate, it is described can Bent area is connected with buffer area, and the buffer area is connected with non-bent area；
The glassy layer of the buffer area is thinner than the glass substrate, and is thicker than the glassy layer of the bendable folding area, the buffer area Glassy layer and the glassy layer of the bendable folding area form stepped recesses, flexible material is filled in the stepped recesses.
6. the cover board of bent display panel as claimed in claim 5, which is characterized in that the stepped recesses include being located at institute State the square groove of bendable folding area and positioned at the buffer area and the groove body of the connection square groove, the section shape of the groove body Shape is rectangle, triangle or arc.
7. the cover board of bent display panel as described in claim 1, which is characterized in that the flexible material is that polyamides is sub- Amine.
8. the cover board of bent display panel as described in claim 1, which is characterized in that the glass baseplate surface is provided with Black out ink, the black out ink is corresponding with the four edges of the glass substrate, and is located at the side of depressed area opening, uses Correspond to viewing area and the non-display area of the bent display panel in the separation cover board.
9. a kind of bent display panel, which is characterized in that the bent display panel includes lid described in claim 1-8 Plate.
10. a kind of display device, which is characterized in that the display device includes bent display panel as claimed in claim 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910347393.6A CN110047393A (en) | 2019-04-28 | 2019-04-28 | A kind of cover board of bent display panel, bent display panel and display device |
| PCT/CN2019/087326 WO2020220401A1 (en) | 2019-04-28 | 2019-05-17 | Cover plate of bendable display panel, bendable display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910347393.6A CN110047393A (en) | 2019-04-28 | 2019-04-28 | A kind of cover board of bent display panel, bent display panel and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110047393A true CN110047393A (en) | 2019-07-23 |
Family
ID=67279798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910347393.6A Pending CN110047393A (en) | 2019-04-28 | 2019-04-28 | A kind of cover board of bent display panel, bent display panel and display device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110047393A (en) |
| WO (1) | WO2020220401A1 (en) |
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| US11227514B2 (en) | 2019-12-06 | 2022-01-18 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Cover, manufacturing method of cover, and display device |
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