CN107610595A - Flexible display apparatus - Google Patents
Flexible display apparatus Download PDFInfo
- Publication number
- CN107610595A CN107610595A CN201710863068.6A CN201710863068A CN107610595A CN 107610595 A CN107610595 A CN 107610595A CN 201710863068 A CN201710863068 A CN 201710863068A CN 107610595 A CN107610595 A CN 107610595A
- Authority
- CN
- China
- Prior art keywords
- flexible display
- layer
- display apparatus
- cover plate
- optical cement
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- 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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Abstract
The invention provides a kind of flexible display apparatus, including flexible display panels, optical cement layer, flexible cover plate and resistance to compression layer；The optical cement layer is arranged at the flexible display panels close to the side of the flexible cover plate；The resistance to compression layer is arranged between the optical cement layer and the flexible cover plate, to reduce deformation of the optical cement layer caused by being under pressure.The present invention can reduce deformation of the optical cement layer caused by being under pressure, and then improve the case hardness of flexible display apparatus by setting resistance to compression layer between optical cement layer and flexible cover plate in flexible display apparatus.
Description
Technical field
The present invention relates to display technology field, and in particular to a kind of flexible display apparatus.
Background technology
With the development of Display Technique, display device requires more and more higher, AMOLED (Active- to color and light degree
Matrix organic light emitting diode, active matrix organic light-emitting diode) gradually come into mobile set
The consumer electronics markets such as standby, television set.Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) is flexible
Display device has the advantages that frivolous, flexible, foldable, shock resistance, becomes emphasis widely studied at present.
Flexible cover plate replaces most top layer of traditional cover glass as OLED flexible display apparatus, it is necessary to is provided simultaneously with
The high rigidity durability and bending resistance of glass.
Flexible cover plate case hardness is mainly weighed using pencil hardness at present, passes through Surface hardening treatment, monolithic flexible
Cover plate hardness can reach 7~9H.But in whole flexible display apparatus structure, flexible cover plate and flexible display panels (bag
Containing display device necessity structure in addition to flexible cover plate, optical cement layer) interbed be connected with layer and need to use optical cement layer.
When having softer material below flexible cover plate, with the addition of external force, flexible cover plate deforms upon with optical cement layer,
Its case hardness is decreased obviously, it is impossible to meets the needs of display.It is viscoplasticity material to trace it to its cause and be primarily due to optical cement layer
Material, no crushing resistance, it easily produces permanent deformation after being under pressure, and causes flexible cover plate surface to occur because sinking trickle broken
Trace, reduce the case hardness of whole display device.
The content of the invention
The present invention provides a kind of flexible display apparatus, can lift the case hardness of the flexible display apparatus.
The present invention provides a kind of flexible display apparatus, including flexible display panels, optical cement layer, flexible cover plate and resistance to compression
Layer；
The optical cement layer is arranged at the flexible display panels close to the side of the flexible cover plate；
The resistance to compression layer is arranged between the optical cement layer and the flexible cover plate, with reduce the optical cement layer because by
To the deformation caused by pressure.
According to one embodiment of the invention, the resistance to compression layer includes elastic layer, and the elastic layer is coated on the flexible cover plate
Close to the side of the optical cement layer.
According to one embodiment of the invention, the elastic layer is transparent film layer.
According to one embodiment of the invention, the resistance to compression layer includes back-up coat.
According to one embodiment of the invention, the back-up coat is close to the flexible cover plate, to improve the anti-of the flexible cover plate
Pressure.
According to one embodiment of the invention, the back-up coat is close to the optical cement layer, to improve the anti-of the optical cement layer
Pressure.
According to one embodiment of the invention, the cushion includes gap particle and is arranged on that the gap is circumgranular to be filled out
Fill thing.
According to one embodiment of the invention, the size and arrangement mode of the gap particle is according to the flexible display panels
The size and arrangement mode arranged of organic light-emitting diode pixel.
According to one embodiment of the invention, the flexible cover plate includes the base material and hardened layer being stacked；
The base material is covered in the resistance to compression layer surface, and the hardened layer is covered in the base material away from the resistance to compression layer
Side.
According to one embodiment of the invention, the flexible display panels include first area and second area, firstth area
Domain is not foldable, and the second area is foldable；
The resistance to compression layer is arranged on the first area.
The present invention can reduce institute by setting resistance to compression layer between optical cement layer and flexible cover plate in flexible display apparatus
State deformation of the optical cement layer caused by being under pressure, prevent the flexible cover plate sunk because of the deformation of the optical cement layer and
There is trickle rupture, and then improve the case hardness of flexible display apparatus.
Brief description of the drawings
, below will be to embodiment or prior art in order to illustrate more clearly of embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in description, it should be apparent that, drawings in the following description are only some invented
Embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also be attached according to these
Figure obtains other accompanying drawings.
Fig. 1 is the structural representation of flexible display apparatus provided in an embodiment of the present invention；
Fig. 2 is another structural representation of flexible display apparatus provided in an embodiment of the present invention.
Fig. 3 is the another structural representation of flexible display apparatus provided in an embodiment of the present invention.
Fig. 4 is the structural representation of flexible display apparatus back-up coat provided in an embodiment of the present invention.
Fig. 5 is another structural representation of flexible display apparatus provided in an embodiment of the present invention.
Embodiment
The explanation of following embodiment is with reference to additional diagram, to illustrate the particular implementation that the present invention can be used to implementation
Example.The direction term that the present invention is previously mentioned, such as [on], [under], [preceding], [rear], [left side], [right side], [interior], [outer], [side]
Deng being only the direction with reference to annexed drawings.Therefore, the direction term used is to illustrate and understand the present invention, and is not used to
The limitation present invention.In figure, the similar unit of structure is represented to identical label.
The present invention is described further with specific embodiment below in conjunction with the accompanying drawings：
As shown in figure 1, the present invention provides a kind of flexible display apparatus 1, the flexible display apparatus 1 includes Flexible Displays face
Plate 11, optical cement layer 12, flexible cover plate 14 and resistance to compression layer 13.
Wherein, optical cement layer 12, flexible display panels 11 are arranged at close to the side of flexible cover plate 14；Resistance to compression layer 13, if
Put between optical cement layer 12 and the flexible cover plate 14, to reduce deformation of the optical cement layer 12 caused by being under pressure.
In certain embodiments, flexible display panels 11 include oled substrate, and the oled substrate includes array distribution
Pixel.
As shown in Fig. 2 flexible cover plate 14 includes the base material 141 and hardened layer 142 being stacked.
The base material 141 is covered in the surface of resistance to compression layer 13, and it is remote that the hardened layer 142 is covered in the base material 141
The side of the resistance to compression layer 13.
Prepared by base material 141, the material that base material 141 needs to select bending characteristic good, such as polyimides；Meanwhile as soft
The surface structure of property display device 1, base material 141 is also transparent film layer.
Hardened layer 142, the thickness of hardened layer 142 is between 10um~50um, with hardness is high, height is saturating, highlighted, without quiet crystalline substance
Point, intact trace, the characteristic without scuffing, and the light transmittance of hardened layer 142 is more than the light transmittance of base material 141.
Optical cement layer 12 includes optical cement, has water white transparency, light transmission rate more than 90%, cementing strength is good, can
The features such as cure shrinkage is small under room temperature or medium temperature, efficiently flexible display panels 11 and flexible cover plate 14 can be bonded；But
It is due to that the optical cement is viscoelastic material, no crushing resistance, easily generation is permanent after the optical cement layer 12 is under pressure becomes
Shape, so as to cause the surface of flexible display apparatus 1 trickle slight crack occur because sinking, therefore optical cement layer need to be reduced because being pressed
Deformation caused by power.
In certain embodiments, resistance to compression layer 13 includes elastic layer 131, as shown in Figure 2.In certain embodiments, resistance to compression layer
13 include back-up coat 132, as shown in Figure 3.
As shown in Fig. 2 when resistance to compression layer 13 is elastic layer 131, elastic layer 131 is close to flexible cover plate 14 and set.
Elastic layer 131 is one layer of high polymer material with specific function, and the high polymer material uses shape memory material
It is prepared by the one of which material of material, self-regeneration resin and the material with quick rebound characteristics；What deserves to be explained is elastic layer
131 be the requirement that transparent film layer and optical property meet flexible display apparatus 1.
The shape-memory material includes block polymer polycaprolactone-b- polylactides.
The self-regeneration material includes anti-with furans polymer and maleimide polymer progress diels-Alder
The copolymerization of (Diels-Alder, DA) thermal reversion is answered, is formed with the macromolecular network being formed by connecting by reversible crosslink covalent bond.
The material with quick resilient nature includes polyurethane rubber and thermoplastic polyester elastomer.
Due to elastic layer 131 be under pressure produce deformation after can be quickly returning to original state so that elastic layer 131
Deformation disappears, to improve the case hardness of flexible display apparatus 1, so as to avoid flexible display apparatus 1 by optical cement layer 12
Influence.
As shown in figure 3, resistance to compression layer is back-up coat 132, back-up coat 132 can both be close to optical cement layer 12 and set, can also
It is close to flexible cover plate 14 to set；
In an embodiment of the present invention, back-up coat 132 is close to optical cement layer 12, to improve the compressive resistance of optical cement layer 12,
Reduce deformation.
In an embodiment of the present invention, back-up coat 132 is close to flexible cover plate 14, to improve the compressive resistance of flexible cover plate 14,
So as to reduce the pressure that optical cement layer 12 is subject to, and then reduce the deformation of optical cement layer.
As shown in figure 4, back-up coat 132 includes gap particle 1321 and the filler being arranged on around gap particle 1321
1322。
Gap particle 1321 is prepared using macromolecule resin mixture, such as acrylate materials or epoxy-like materials.
Size and row of the size and arrangement mode of gap particle 1321 according to the OLED pixel of the flexible display panels 3
Row mode arranged, principle are can not to block and disturb OLED pixel to light.
Filler 1322 is arranged on around gap particle 1321, to ensure the compactness of back-up coat 132.
Filler 1322 is prepared using with the identical material of flexible cover plate 14, can also use the height with planarization effect
It is prepared by molecular material.
When flexible display apparatus 1 is pressed by outside, pressure is transmitted downwards from flexible cover plate 14, due to flexible cover plate 14
The presence of back-up coat 132 between optical cement layer 12, it can prevent flexible cover plate 14 from sinking with optical cement layer 12 to deform upon,
So as to improve the case hardness of flexible display apparatus 1.
As shown in figure 5, flexible display apparatus 1 includes first area 110 and second area 120, first area 110 can not roll over
Folded, second area 120 is foldable.
May not be resistant to bending in view of resistance to compression layer 13, delamination may occur in the case of crooked process radius is less, so as to
Cause whole flexible display apparatus 1 to fail, so resistance to compression layer 13 is arranged on into the first area 110, at second area 120 not
Resistance to compression layer 13 is set.
The present invention can reduce institute by setting resistance to compression layer between optical cement layer and flexible cover plate in flexible display apparatus
State deformation of the optical cement layer caused by being under pressure, prevent the flexible cover plate sunk because of the deformation of the optical cement layer and
There is trickle rupture, and then improve the case hardness of flexible display apparatus.
In summary, although the present invention is disclosed above with preferred embodiment, above preferred embodiment simultaneously is not used to limit
The system present invention, one of ordinary skill in the art, without departing from the spirit and scope of the present invention, it can make various changes and profit
Decorations, therefore protection scope of the present invention is defined by the scope that claim defines.
Claims (10)
1. a kind of flexible display apparatus, it is characterised in that the flexible display apparatus includes：
Flexible display panels, optical cement layer, flexible cover plate and resistance to compression layer；
The optical cement layer is arranged at the flexible display panels close to the side of the flexible cover plate；
The resistance to compression layer is arranged between the optical cement layer and the flexible cover plate, to reduce the optical cement layer because being pressed
Deformation caused by power.
2. flexible display apparatus according to claim 1, it is characterised in that the resistance to compression layer includes elastic layer, the bullet
Property layer is coated on the flexible cover plate close to the side of the optical cement layer.
3. flexible display apparatus according to claim 2, it is characterised in that the elastic layer is transparent film layer.
4. flexible display apparatus according to claim 1, it is characterised in that the resistance to compression layer includes back-up coat.
5. flexible display apparatus according to claim 4, it is characterised in that the back-up coat is close to the flexible cover plate,
To improve the compressive resistance of the flexible cover plate.
6. flexible display apparatus according to claim 4, it is characterised in that the back-up coat is close to the optical cement layer,
To improve the compressive resistance of the optical cement layer.
7. the flexible display apparatus according to claim 5 or 6, it is characterised in that the back-up coat include gap particle and
It is arranged on the circumgranular filler in the gap.
8. flexible display apparatus according to claim 7, it is characterised in that the size and arrangement mode of the gap particle
Size and arrangement mode arranged according to the organic light-emitting diode pixel of the flexible display panels.
9. flexible display apparatus according to claim 1, it is characterised in that the flexible cover plate includes the base being stacked
Material and hardened layer；
The base material is covered in the resistance to compression layer surface, and the hardened layer is covered in one of the base material away from the resistance to compression layer
Side.
10. flexible display apparatus according to claim 1, it is characterised in that the flexible display panels include the firstth area
Domain and second area, the first area is not foldable, and the second area is foldable；
The resistance to compression layer is arranged on the first area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710863068.6A CN107610595A (en) | 2017-09-22 | 2017-09-22 | Flexible display apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710863068.6A CN107610595A (en) | 2017-09-22 | 2017-09-22 | Flexible display apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107610595A true CN107610595A (en) | 2018-01-19 |
Family
ID=61061540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710863068.6A Pending CN107610595A (en) | 2017-09-22 | 2017-09-22 | Flexible display apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107610595A (en) |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108447405A (en) * | 2018-04-03 | 2018-08-24 | 武汉华星光电半导体显示技术有限公司 | A kind of flexible display panels, the manufacturing method of flexible display panels and display device |
| CN108538205A (en) * | 2018-04-25 | 2018-09-14 | 武汉华星光电技术有限公司 | Flexible cover plate and flexible display apparatus |
| CN108717256A (en) * | 2018-04-26 | 2018-10-30 | 努比亚技术有限公司 | A kind of display module and wearable device |
| CN108877529A (en) * | 2018-07-10 | 2018-11-23 | 昆山国显光电有限公司 | Flexible display screen cover board, Flexible Displays mould group and flexible display apparatus |
| CN109036131A (en) * | 2018-07-19 | 2018-12-18 | 武汉华星光电半导体显示技术有限公司 | Flexible display apparatus |
| CN109065748A (en) * | 2018-07-20 | 2018-12-21 | 云谷（固安）科技有限公司 | Display panel and display device equipped with it |
| CN109148526A (en) * | 2018-08-16 | 2019-01-04 | 云谷（固安）科技有限公司 | display panel and display device |
| CN109585674A (en) * | 2018-11-13 | 2019-04-05 | 武汉华星光电半导体显示技术有限公司 | Display module and preparation method thereof, electronic device |
| CN109659344A (en) * | 2018-12-17 | 2019-04-19 | 武汉华星光电半导体显示技术有限公司 | Flexible OLED-device |
| CN110085640A (en) * | 2019-04-24 | 2019-08-02 | 武汉华星光电半导体显示技术有限公司 | Flexible display panels and display device |
| CN110437752A (en) * | 2019-07-08 | 2019-11-12 | 武汉华星光电半导体显示技术有限公司 | The production method of optical cement, display panel and optical cement |
| WO2020034666A1 (en) * | 2018-08-16 | 2020-02-20 | 云谷（固安）科技有限公司 | Flexible display screen and display device |
| CN110911578A (en) * | 2019-11-07 | 2020-03-24 | 深圳市华星光电半导体显示技术有限公司 | Display panel |
| CN111312782A (en) * | 2020-02-27 | 2020-06-19 | 京东方科技集团股份有限公司 | Flexible display device, and method of manufacturing flexible display device |
| CN112185256A (en) * | 2020-09-30 | 2021-01-05 | 上海天马有机发光显示技术有限公司 | Foldable display device and method of manufacturing the same |
| CN112233548A (en) * | 2019-07-15 | 2021-01-15 | 陕西坤同半导体科技有限公司 | OCA optical cement 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 |
| US10985335B2 (en) | 2019-04-24 | 2021-04-20 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Flexible display panel 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 |
| CN114724465A (en) * | 2022-04-12 | 2022-07-08 | 武汉天马微电子有限公司 | Display screen and display device |
| US11444268B2 (en) | 2019-03-26 | 2022-09-13 | Apple Inc. | Electronic devices with flexible display cover layers |
| CN115691335A (en) * | 2022-11-02 | 2023-02-03 | 苏州恒悦新材料有限公司 | OLED supports membrane based on flexible screen body |
| US11947205B2 (en) | 2019-02-20 | 2024-04-02 | Huawei Technologies Co., Ltd. | Flexible display cover plate, display panel, and display apparatus |
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Cited By (34)
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| CN108447405A (en) * | 2018-04-03 | 2018-08-24 | 武汉华星光电半导体显示技术有限公司 | A kind of flexible display panels, the manufacturing method of flexible display panels and display device |
| CN108538205A (en) * | 2018-04-25 | 2018-09-14 | 武汉华星光电技术有限公司 | Flexible cover plate and flexible display apparatus |
| WO2019205478A1 (en) * | 2018-04-25 | 2019-10-31 | 武汉华星光电技术有限公司 | Flexible cover and flexible display device |
| CN108717256A (en) * | 2018-04-26 | 2018-10-30 | 努比亚技术有限公司 | A kind of display module and wearable device |
| CN108877529A (en) * | 2018-07-10 | 2018-11-23 | 昆山国显光电有限公司 | Flexible display screen cover board, Flexible Displays mould group and flexible display apparatus |
| CN109036131A (en) * | 2018-07-19 | 2018-12-18 | 武汉华星光电半导体显示技术有限公司 | Flexible display apparatus |
| CN109065748A (en) * | 2018-07-20 | 2018-12-21 | 云谷（固安）科技有限公司 | Display panel and display device equipped with it |
| US11088351B2 (en) | 2018-07-20 | 2021-08-10 | Yungu (Gu'an) Technology Co., Ltd. | Display panels and display devices |
| CN109148526A (en) * | 2018-08-16 | 2019-01-04 | 云谷（固安）科技有限公司 | display panel and display device |
| US11217125B2 (en) | 2018-08-16 | 2022-01-04 | Yungu (Gu'an) Technology Co., Ltd. | Flexible display screens and display devices |
| CN109148526B (en) * | 2018-08-16 | 2021-06-15 | 广州国显科技有限公司 | Display panel and display device |
| WO2020034666A1 (en) * | 2018-08-16 | 2020-02-20 | 云谷（固安）科技有限公司 | Flexible display screen and display device |
| CN109585674A (en) * | 2018-11-13 | 2019-04-05 | 武汉华星光电半导体显示技术有限公司 | Display module and preparation method thereof, electronic device |
| CN109659344A (en) * | 2018-12-17 | 2019-04-19 | 武汉华星光电半导体显示技术有限公司 | Flexible OLED-device |
| CN109659344B (en) * | 2018-12-17 | 2021-04-02 | 武汉华星光电半导体显示技术有限公司 | Flexible OLED device |
| US11947205B2 (en) | 2019-02-20 | 2024-04-02 | Huawei Technologies Co., Ltd. | Flexible display cover plate, display panel, and display apparatus |
| US11647648B2 (en) | 2019-03-26 | 2023-05-09 | Apple Inc. | Electronic devices with flexible display cover layers |
| US11444268B2 (en) | 2019-03-26 | 2022-09-13 | Apple Inc. | Electronic devices with flexible display cover layers |
| CN110085640A (en) * | 2019-04-24 | 2019-08-02 | 武汉华星光电半导体显示技术有限公司 | Flexible display panels and display device |
| US10985335B2 (en) | 2019-04-24 | 2021-04-20 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Flexible display panel and display device |
| WO2020215570A1 (en) * | 2019-04-24 | 2020-10-29 | 武汉华星光电半导体显示技术有限公司 | Flexible display panel and display device |
| CN110437752A (en) * | 2019-07-08 | 2019-11-12 | 武汉华星光电半导体显示技术有限公司 | The production method of optical cement, display panel and optical cement |
| CN112233548A (en) * | 2019-07-15 | 2021-01-15 | 陕西坤同半导体科技有限公司 | OCA optical cement and display device |
| 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 |
| 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 |
| CN110911578A (en) * | 2019-11-07 | 2020-03-24 | 深圳市华星光电半导体显示技术有限公司 | Display panel |
| CN111312782A (en) * | 2020-02-27 | 2020-06-19 | 京东方科技集团股份有限公司 | Flexible display device, and method of manufacturing flexible display device |
| CN111312782B (en) * | 2020-02-27 | 2023-06-27 | 京东方科技集团股份有限公司 | Flexible display device and method of manufacturing the same |
| CN112185256A (en) * | 2020-09-30 | 2021-01-05 | 上海天马有机发光显示技术有限公司 | Foldable display device and method of manufacturing the same |
| 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 |
| 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 |
| CN114724465A (en) * | 2022-04-12 | 2022-07-08 | 武汉天马微电子有限公司 | Display screen and display device |
| CN115691335B (en) * | 2022-11-02 | 2024-02-13 | 苏州恒悦新材料股份有限公司 | OLED support film based on flexible screen body |
| CN115691335A (en) * | 2022-11-02 | 2023-02-03 | 苏州恒悦新材料有限公司 | OLED supports membrane based on flexible screen body |
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Application publication date: 20180119 |