CN208271483U - A kind of display device - Google Patents
A kind of display device Download PDFInfo
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- CN208271483U CN208271483U CN201820941363.9U CN201820941363U CN208271483U CN 208271483 U CN208271483 U CN 208271483U CN 201820941363 U CN201820941363 U CN 201820941363U CN 208271483 U CN208271483 U CN 208271483U
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- flexible
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- display device
- flexible layer
- cover board
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Abstract
The utility model embodiment discloses a kind of display device.The display device includes flexible display panels and the cover board for being set to the flexible display panels light emission side；Wherein, the cover board includes the first flexible layer being stacked, hardened layer, functional layer and the second flexible layer, and first flexible layer is located at the side that the hardened layer closes on the flexible display panels.The scheme of the utility model embodiment improves the bending resistance of cover board, to improve the bending resistance of display device.
Description
Technical field
The utility model embodiment is related to display technology more particularly to a kind of display device.
Background technique
With the continuous development of display technology, flexible display technologies are becoming increasingly popular.Flexible display apparatus is as new one
The display device in generation, because it has many advantages, such as thin and light, high contrast, quick response, wide viewing angle, high brightness, full color, therefore
In mobile phone, personal digital assistant (PDA), digital camera, car-mounted display, laptop, wall hung television and military field etc.
Be widely used prospect.
However existing flexible display apparatus bending resistance is poor, is easily broken in bending, influences user experience.
Utility model content
The utility model provides a kind of display device, to improve the bending resistance of display device.
The utility model embodiment provides a kind of display device, which includes:
Flexible display panels and the cover board for being set to the flexible display panels light emission side；
Wherein, the cover board includes the first flexible layer being stacked, hardened layer, functional layer and the second flexible layer, described
First flexible layer is located at the side that the hardened layer closes on the flexible display panels.
Optionally, the cover board further includes third flexible layer, and the third flexible layer is set to the hardened layer and described
Between functional layer.
Optionally, the thickness of second flexible layer and the third flexible layer is respectively less than the thickness of first flexible layer
Degree.
Optionally, the thickness of second flexible layer is greater than the thickness of the third flexible layer.
Optionally, the thickness of second flexible layer and the third flexible layer is 1-3um.
Optionally, the material of first flexible layer, second flexible layer and the third flexible layer be polyimides,
Polyethylene terephthalate (polyethylene terephthalate, PET) or polymethyl methacrylate
(polymethyl methacrylate, PMMA).
Optionally, the display device further include:
Polaroid, the polaroid are set between the flexible display panels and the cover board.
Optionally, the display device further include: touch panel, the touch panel are set to the polaroid and described
Between flexible display panels.
Optionally, the flexible display panels include flexible base board and the organic light emission that is set on the flexible base board
Structure, the organic light-emitting structure are set to the side that the flexible base board closes on the cover board.
Optionally, the flexible display panels further include covering the thin-film encapsulation layer of the organic light-emitting structure.
Cover board by being closed on the side of flexible display panels and far from flexible display panels by the utility model embodiment
Side is disposed as flexible membrane layer, when so that display device being bent, the first flexible layer and the second flexible layer can with cushion cover by
The stress arrived, the stress for avoiding hardened layer and functional layer from being subject to is excessive and is broken, and the bending resistance of cover board is improved, to mention
The bending resistance of display device is risen.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of display device provided by the embodiment of the utility model；
Fig. 2 is the schematic diagram of another display device provided by the embodiment of the utility model；
Fig. 3 is the schematic diagram of another display device provided by the embodiment of the utility model；
Fig. 4 is the schematic diagram of another display device provided by the embodiment of the utility model；
Fig. 5 is the schematic diagram of another display device provided by the embodiment of the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than the restriction to the utility model.It further needs exist for
It is bright, part relevant to the utility model is illustrated only for ease of description, in attached drawing rather than entire infrastructure.
Fig. 1 is a kind of schematic diagram of display device provided by the embodiment of the utility model, with reference to Fig. 1, the display device packet
It includes:
Flexible display panels 10 and the cover board 20 for being set to 10 light emission side of flexible display panels；
Wherein, cover board 20 includes the first flexible layer 21, hardened layer 22, functional layer 23 and the second flexible layer being stacked
24, the first flexible layer 24 is located at the side that hardened layer 22 closes on flexible display panels 10.
Wherein, hardened layer 22 is used to increase the hardness of cover board 20, and functional layer 23 is with functions such as anti-fingerprint, anti-glares
Coating.Specifically, since cover board 20 is located at the surface layer of display device, in display device bending, stress that cover board 20 is subject to compared with
Greatly, cover board 20 is caused easily to be broken.By the way that cover board 20 to be closed on to the side of flexible display panels 10 and far from Flexible Displays face
The side of plate 10 is disposed as flexible membrane layer, and when so that display device being bent, the first flexible layer 21 and the second flexible layer 22 can be with
The stress that cushion cover is subject to, the stress for avoiding hardened layer 22 and functional layer 23 from being subject to is excessive and is broken, and improves cover board 20
Bending resistance, to improve the bending resistance of display device.
Fig. 2 is the schematic diagram of another display device provided by the embodiment of the utility model, optionally, with reference to Fig. 2, cover board
20 further include third flexible layer 25, and third flexible layer 25 is set between hardened layer 22 and functional layer 23.
Specifically, being easiest to be broken in bending, by hardened layer 22 and function since 22 hardness of hardened layer is larger
Third flexible layer 25 is set between layer 23, can further avoid showing with the stress between pooling feature layer 23 and hardened layer 22
Hardened layer 22 is broken when device is bent, and further improves the bending resistance of cover board 20, to further promote display
The bending resistance of device.
Optionally, the thickness of the second flexible layer 24 and third flexible layer 25 is respectively less than the thickness of the first flexible layer 21.
Specifically, the first flexible layer 21 is used to carry hardened layer 22 and functional layer 23, and guarantee the flexibility of cover board 20, hardens
Layer will lead to lid if the second flexible layer 24 and 25 thickness of third flexible layer are excessive mainly for increasing the surface hardness of cover board 20
The surface hardness of plate 20 reduces, and is respectively less than the first flexible layer by the thickness of the second flexible layer 24 of setting and third flexible layer 5825
21 thickness ensure that cover board 20 has biggish surface hardness while improving the bending resistance of cover board 20.
Optionally, the thickness of the second flexible layer 24 is greater than the thickness of third flexible layer 25.
Specifically, when display device bending, it is bigger to close on the stress that the film layer on display device surface is subject to, due to
For second flexible layer 24 relative to third flexible layer 25 closer to the surface of display device, the stress that third flexible layer 25 is subject to is opposite
Second flexible layer 24 is smaller, and the thickness by the way that the second flexible layer 24 is arranged is greater than the thickness of third flexible layer 25, so that second is soft
Property layer 24 can stress that preferably cushion cover 20 is subject to, and ensure that cover board 20 has relatively thin thickness, meet display dress
The lightening development trend set.
Optionally, the thickness of the second flexible layer and third flexible layer is 1-3um.
In this way, the stress that the second flexible layer 24 and the better cushion cover 20 of third flexible layer 25 are subject to,
While improving the bending resistance of cover board 20, it ensure that cover board 20 has biggish surface hardness and relatively thin thickness.
Optionally, the material of the first flexible layer 21, the second flexible layer 24 and third flexible layer 25 be polyimides, PET or
PMMA。
Wherein, polyimides has excellent mechanical performance, and tensile strength is all in 100Mpa or more, as engineering plastic
Material, elasticity modulus is usually 3-4Gpa.PET has excellent physical mechanical property in wider temperature range, is used for a long time
For temperature up to 120 DEG C, electrical insulating property is excellent, creep resistance, fatigue durability, and rub resistance and dimensional stability are all fine.
The mechanical strength of PMMA is higher, and stretch-proof and shock proof ability are 7-18 times higher than simple glass, and tensile strength is 6-7 kilograms
Power/millimeter2, compressive resistance is 12-14 kilogram/millimeter2.It is soft by the first flexible layer 21 of setting, the second flexible layer 24 and third
Property layer 25 material be polyimides, PET or PMMA, ensure that the bending resistance with higher of cover board 20.
Fig. 3 is the schematic diagram of another display device provided by the embodiment of the utility model, optionally, with reference to Fig. 3, display
Device further include:
Polaroid 30, polaroid 30 are set between flexible display panels 10 and cover board 20.
Specifically, some metal layers or metal wire inside flexible display panels 10 can reflect ambient, from
And it influences image and shows.Ambient can be filtered out by the way that polaroid 30 is arranged between flexible display panels 10 and cover board 20,
The ambient being incident on inside flexible display panels 10 is greatly reduced, keeps picture apparent.
Fig. 4 is the schematic diagram of another display device provided by the embodiment of the utility model, optionally, with reference to Fig. 4, display
Device further include: touch panel 40, touch panel 40 are set between polaroid 30 and flexible display panels 10.
Specifically, touch panel 40 may include flexible substrate substrate, and the touch-control being set on flexible substrate substrate
Electrode.Touch panel 40 also can be set inside flexible display panels 10, form embedded touch control panel, flexible substrate substrate
Other film layers that can be multiplexed inside flexible display panels.
Fig. 5 is the schematic diagram of another display device provided by the embodiment of the utility model, optionally, flexible with reference to Fig. 5
Display panel 10 includes flexible base board 11 and the organic light-emitting structure 12 being set on flexible base board 11, organic light-emitting structure 12
It is set to the side that flexible base board 11 closes on cover board 20.
Wherein, flexible base board 11 is the array substrate for driving organic light-emitting structure 12 luminous, and flexible base board 11 includes display
Area 110 and non-display area 120, viewing area 110 is corresponding to have organic light-emitting structure 20, realizes the display of picture, non-display area 120
Picture is not presented in corresponding region.Array substrate includes substrate, and substrate is flexible, can be by with flexible any appropriate
Insulating materials is formed.For example, flexible substrate can be by such as polyimides (PI), polycarbonate (PC), polyether sulfone (PES), poly-
Ethylene glycol terephthalate (PET), polyethylene naphthalate (PEN), polyarylate (PAR) or glass fibre increase
The polymer materials such as strong plastics (FRP) are formed.Flexible base board 11 can be transparent, translucent or opaque.
Organic light-emitting structure 12 is located in the viewing area 110 of substrate 10, organic light-emitting structure 20 generally include first electrode,
Luminescent layer and second electrode.
Optionally, flexible display panels 10 further include covering the thin-film encapsulation layer 13 of organic light-emitting structure 12.
Specifically, thin-film encapsulation layer 13 is located in organic light-emitting structure 12, protect luminescent layer and other thin layers from outside
The influence of moisture and oxygen etc..To include inorganic layer and organic layer, inorganic layer and organic layer are staggeredly stacked thin-film encapsulation layer 13.
The present embodiment by cover board 20 is closed on flexible display panels 10 side and far from flexible display panels 10 one
Side is disposed as flexible membrane layer, and when so that display device being bent, the first flexible layer 21 and the second flexible layer 22 can be with cushion covers
The stress being subject to, the stress for avoiding hardened layer 22 and functional layer 23 from being subject to is excessive and is broken, and improves the bending resistance of cover board 20
Can, to improve the bending resistance of display device.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright
Aobvious variation, readjustment and substitution is without departing from the protection scope of the utility model.Therefore, although passing through above embodiments
The utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from
It can also include more other equivalent embodiments in the case that the utility model is conceived, and the scope of the utility model is by appended
Scope of the claims determine.
Claims (10)
1. a kind of display device characterized by comprising
Flexible display panels and the cover board for being set to the flexible display panels light emission side；
Wherein, the cover board includes the first flexible layer being stacked, hardened layer, functional layer and the second flexible layer, and described first
Flexible layer is located at the side that the hardened layer closes on the flexible display panels.
2. display device according to claim 1, it is characterised in that:
The cover board further includes third flexible layer, and the third flexible layer is set between the hardened layer and the functional layer.
3. display device according to claim 2, it is characterised in that:
The thickness of second flexible layer and the third flexible layer is respectively less than the thickness of first flexible layer.
4. display device according to claim 3, it is characterised in that:
The thickness of second flexible layer is greater than the thickness of the third flexible layer.
5. display device according to claim 2, it is characterised in that:
The thickness of second flexible layer and the third flexible layer is 1-3um.
6. display device according to claim 2, it is characterised in that:
The material of first flexible layer, second flexible layer and the third flexible layer is polyimides, poly- terephthaldehyde
Sour glycol ester PET or polymetylmethacrylate.
7. display device according to claim 1, which is characterized in that further include:
Polaroid, the polaroid are set between the flexible display panels and the cover board.
8. display device according to claim 7, which is characterized in that further include:
Touch panel, the touch panel are set between the polaroid and the flexible display panels.
9. display device according to claim 1, it is characterised in that:
The flexible display panels include flexible base board and the organic light-emitting structure that is set on the flexible base board, described to have
Machine light emitting structure is set to the side that the flexible base board closes on the cover board.
10. display device according to claim 9, it is characterised in that:
The flexible display panels further include covering the thin-film encapsulation layer of the organic light-emitting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820941363.9U CN208271483U (en) | 2018-06-19 | 2018-06-19 | A kind of display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820941363.9U CN208271483U (en) | 2018-06-19 | 2018-06-19 | A kind of display device |
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| Publication Number | Publication Date |
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| CN208271483U true CN208271483U (en) | 2018-12-21 |
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| CN201820941363.9U Active CN208271483U (en) | 2018-06-19 | 2018-06-19 | A kind of display device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019242426A1 (en) * | 2018-06-22 | 2019-12-26 | 京东方科技集团股份有限公司 | Cover plate and preparation method therefor, and display panel and display apparatus |
| CN110807991A (en) * | 2019-11-08 | 2020-02-18 | 武汉华星光电半导体显示技术有限公司 | Cover plate and display device |
| CN111361257A (en) * | 2020-04-20 | 2020-07-03 | Oppo广东移动通信有限公司 | Foldable cover plate, foldable screen assembly and electronic equipment |
| CN111429800A (en) * | 2019-01-10 | 2020-07-17 | 三星显示有限公司 | Display device |
| WO2020168748A1 (en) * | 2019-02-20 | 2020-08-27 | 华为技术有限公司 | Flexible display cover plate, display panel and display apparatus |
| CN112689816A (en) * | 2019-08-19 | 2021-04-20 | 京东方科技集团股份有限公司 | Flexible display device and manufacturing method thereof |
| CN113035065A (en) * | 2021-03-05 | 2021-06-25 | 京东方科技集团股份有限公司 | Cover plate and display device |
| WO2021209057A1 (en) * | 2020-04-17 | 2021-10-21 | 华为技术有限公司 | Flexible cover plate, flexible screen, and foldable electronic device |
| CN115019660A (en) * | 2022-06-29 | 2022-09-06 | 武汉华星光电半导体显示技术有限公司 | Display module and display device |
| WO2023071663A1 (en) * | 2021-10-27 | 2023-05-04 | 京东方科技集团股份有限公司 | Packaging structure, display substrate and manufacturing method therefor, and display device |
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2018
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019242426A1 (en) * | 2018-06-22 | 2019-12-26 | 京东方科技集团股份有限公司 | Cover plate and preparation method therefor, and display panel and display apparatus |
| US11402879B2 (en) | 2018-06-22 | 2022-08-02 | Boe Technology Group Co., Ltd. | Cover plate, method for preparing the same, display panel, and display device |
| CN111429800B (en) * | 2019-01-10 | 2023-11-28 | 三星显示有限公司 | Display apparatus |
| CN111429800A (en) * | 2019-01-10 | 2020-07-17 | 三星显示有限公司 | Display device |
| US11947205B2 (en) | 2019-02-20 | 2024-04-02 | Huawei Technologies Co., Ltd. | Flexible display cover plate, display panel, and display apparatus |
| WO2020168748A1 (en) * | 2019-02-20 | 2020-08-27 | 华为技术有限公司 | Flexible display cover plate, display panel and display apparatus |
| CN111599268A (en) * | 2019-02-20 | 2020-08-28 | 华为技术有限公司 | Flexible display cover plate, display panel and display device |
| CN112689816A (en) * | 2019-08-19 | 2021-04-20 | 京东方科技集团股份有限公司 | Flexible display device and manufacturing method thereof |
| CN112689816B (en) * | 2019-08-19 | 2024-03-15 | 京东方科技集团股份有限公司 | Flexible display device and manufacturing method thereof |
| CN110807991A (en) * | 2019-11-08 | 2020-02-18 | 武汉华星光电半导体显示技术有限公司 | Cover plate and display device |
| CN110807991B (en) * | 2019-11-08 | 2021-12-03 | 武汉华星光电半导体显示技术有限公司 | Cover plate and display device |
| WO2021209057A1 (en) * | 2020-04-17 | 2021-10-21 | 华为技术有限公司 | Flexible cover plate, flexible screen, and foldable electronic device |
| CN111361257A (en) * | 2020-04-20 | 2020-07-03 | Oppo广东移动通信有限公司 | Foldable cover plate, foldable screen assembly and electronic equipment |
| WO2022183757A1 (en) * | 2021-03-05 | 2022-09-09 | 京东方科技集团股份有限公司 | Cover plate and display device |
| CN113035065A (en) * | 2021-03-05 | 2021-06-25 | 京东方科技集团股份有限公司 | Cover plate and display device |
| WO2023071663A1 (en) * | 2021-10-27 | 2023-05-04 | 京东方科技集团股份有限公司 | Packaging structure, display substrate and manufacturing method therefor, and display device |
| CN115019660A (en) * | 2022-06-29 | 2022-09-06 | 武汉华星光电半导体显示技术有限公司 | Display module and display device |
| CN115019660B (en) * | 2022-06-29 | 2023-12-01 | 武汉华星光电半导体显示技术有限公司 | Display module and display device |
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Address after: 201506 No. nine, No. 1568 engineering road, Shanghai, Jinshan District Patentee after: Shanghai Hehui optoelectronic Co., Ltd Address before: 201506 No. nine, No. 1568 engineering road, Shanghai, Jinshan District Patentee before: EverDisplay Optronics (Shanghai) Ltd. |