CN105892192A - Flexible electronic paper display device and manufacturing method thereof - Google Patents
Flexible electronic paper display device and manufacturing method thereof Download PDFInfo
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- CN105892192A CN105892192A CN201610397051.1A CN201610397051A CN105892192A CN 105892192 A CN105892192 A CN 105892192A CN 201610397051 A CN201610397051 A CN 201610397051A CN 105892192 A CN105892192 A CN 105892192A
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- electronic paper
- flexible electronic
- paper display
- display device
- cover plate
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/165—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field
- G02F1/166—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect
- G02F1/167—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect by electrophoresis
Abstract
The invention discloses a flexible electronic paper display device and a manufacturing method thereof. The flexible electronic paper display device is characterized in that a flexible electronic paper membrane and a driving backing plate are connected to form a flexible electronic paper display panel, an optical transparent adhesive layer is arranged between a cover plate and the flexible electronic paper display panel, a water oxidation resistant protective membrane is arranged on the side, far away from the cover plate, of the flexible electronic paper display panel, a package structure is arranged on the periphery of the flexible electronic paper display panel, and a flexible circuit board is connected with the driving backing plate. According to the flexible electronic paper display device and the manufacturing method thereof, the display quality of a flexible electronic paper display screen is not affected, and a stable and reliable structure can be obtained, a flexible display terminal which is attractive in appearance, excellent in performance, easy to manufacture, reliable in structure and durable in use is provided, and the quality problem of the flexible electronic paper display device is solved.
Description
Technical field
The invention belongs to photoelectric display field, particularly relate to a kind of flexible electronic paper display device and manufacture method thereof.
Background technology
Electronic Paper has reflection light display nature, flexible, be prone to inexpensively to manufacture and many advantages such as low-power consumption.With
Other Display Technique is compared, and the reflectance of Electronic Paper and contrast are preferable, is to be suitable for people to dress and the media of outdoor display,
And under light includes direct sunlight, display device based on Electronic Paper can still provide for using normally, is therefore widely used in
Price tag shows, IC-card shows, on all kinds of intelligent terminal and wearable device.
Electronic Paper of the prior art display product is based on the rigid electronic paper screen of glass base, flexible deflection Electronic Paper screen ratio
Rarer.In recent years, the development of flexible electronic paper Display Technique is very rapid, and processing technology and the technology of various advanced persons continue to bring out,
Flexible electronic paper display quality is improved constantly.
In view of its short and small frivolous, pliability is strong and the feature such as super low-power consumption, flexible electronic paper display screen is gradually by all kinds of intelligence eventually
End is applied.But flexible electronic paper screen is when arranging in pairs or groups with terminal unit, is configured between terminal unit and cover plate, due to flexibility
The inherent character of deflection material, its mechanical performance and display quality must be properly settled simultaneously.Many patents are changing
When entering the mechanical performance of flexible display screen, ignore or weaken its display quality.Chinese patent CN201210208465.7 designs
Back support mode, though impact resistance can to a certain degree be improved, but poor seismic behavior, it is easily caused screen skew or tilts,
Affect display quality, be unfavorable for that market is applied.It is special that Chinese patent CN201210208465.7, CN201110084898.1 disclose
In profit structure, all there is certain gap between display screen and cover plate, on the one hand this gap is easily accessible dust, impact display effect
Really；Clearance distance the most between the two is difficult to control to uniformly, under the catadioptric effect of ambient light, easily produces dry
Relate to striped, have a strong impact on screen display quality.On the other hand, owing to flexible electronic paper display device has the feature of flexibility,
After what confession people were random is bending or folding over, if curved transitions, or the curved transitions when equipment Assembling Production, may result in dress
Putting stress deformation, its internal display dielectric layer is impaired, and the most each isolation of components finally affects display effect and service life.
Chinese patent CN201010518104.3 discloses the curve flexibility display screen of baroque encapsulating housing, it is intended to improve with this
Solve mechanical performance and the display quality of flexible screen, but the method complicated in mechanical structure, manufacture method be complicated and consumption of materials big,
Product yield and cost are also difficult to control to.
In view of this, it is necessary to propose new construction and the manufacture method of a kind of flexible electronic paper display device, neither affect flexible electrical
The display quality of sub-paper display screen, can get again solid and reliable structure, it is provided that a kind of good looking appearance, excellent performance, it is easy to system
Make and long-lived Flexible Displays terminal, to solve the quality problem of flexible electronic paper display device.
Summary of the invention
The technical problem to be solved is to overcome the deficiencies in the prior art, it is provided that a kind of good looking appearance, excellent performance, easily
In manufacture, the reliable and long-lived flexible electronic paper display device of structure and manufacture method thereof.
For solving above-mentioned technical problem, the present invention provides a kind of flexible electronic paper display device, including cover plate, and flexible electronic paper membrane,
Drive backboard, flexible circuit board, it is characterised in that: described flexible electronic paper membrane is connected to form flexible electronic paper with driving backboard and shows
Show panel, between described cover plate and flexible electronic paper display floater, be provided with optical clear glue-line, described flexible electronic paper display floater
Side away from cover plate is provided with water resistant oxygen protecting film, and described flexible electronic paper display floater periphery is provided with encapsulating structure, described flexibility
Wiring board is connected with driving backboard.
Described encapsulating structure is simultaneously connected with cover plate and flexible electronic paper display floater, and covers flexible electronic paper display floater and cover plate
Between gap and step.
The material of described optical clear glue-line is OCA optical cement, and the thickness of described optical clear glue-line is more than 50 microns.
The thickness of described optical clear glue-line is 50-300 micron.
Described cover plate is curved surface cover plate, and material can be plastics, safety glass, pottery or sapphire, and described the size of the cover plate is more than
Flexible electronic paper display floater, described driving backboard uses flexible deflection material, described flexible deflection material can be poly-right
PET, cyclic olefin polymer, PEN, polyimides, Merlon, polyether sulfone,
Polymethyl methacrylate or the thickness thin glass less than 0.2 millimeter,.
Described flexible electronic paper membrane is Electrophoretic display medium.
Described water resistant oxygen protecting film can be inorganic protective film, organic protective film or composite film, described water resistant oxygen protecting film
Thickness is below more than 50 nanometers and 1000 nanometers.
The material of described encapsulating structure is that water vapor protects glue, and described water vapor protection glue is optic-solidified adhesive or heat-curable glue, described
The thickness of water vapor protection glue is more than 50 microns.
A kind of manufacture method of flexible electronic paper display device, it is characterised in that: described flexible electronic paper display floater passes sequentially through
Hot pressing, deaeration, the mode of solidification electron-lucent glue-line form single unit system with cover plate laminating.
Described flexible electronic paper membrane is connected with driving backboard by heat lamination mode, described electronics paper membrane and the electrical connection driving backboard
Being realized by transfer electrode, described flexible electronic paper display floater prebends molding, and fits in curved surface lid when the most flexible
On plate.
The present invention is reached to provide the benefit that: use said structure and the flexible electronic paper display device of manufacture method, the most existing
Like product structure is had to significantly reduce interference and the loss of light so that display picture is more true to nature, decreases product thickness, also
Having display picture and will not enter the advantages such as dust, seamless the combining closely between flexible electronic paper screen and transparent cover plate adds device
Mechanical strength, improve device stability, it is also possible to be applicable to abnormity cover plate curve flexibility display device of electronic paper, meanwhile,
This structure can prevent steam from laterally permeating from display medium Electronic Paper, solves flexible electronic paper lateral moisture barrier problem, improves dress
Put stability, extension fixture life-span, there is good looking appearance, excellent performance, it is easy to manufacturing, structure is reliable and long-lived excellent
Gesture.
Accompanying drawing explanation
Fig. 1 is the structural representation of the flexible electronic paper display device of the present invention.
Detailed description of the invention
The present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of a kind of exemplary embodiment of the present invention, as it is shown in figure 1, curve flexibility Electronic Paper display dress
Put and include cover plate 1, flexible electronic paper membrane 3, drive backboard 4, flexible circuit board 7, cover plate 1 is curved strengthened glass cover plate,
Backboard 4 is driven to use flexible deflection material, flexible electronic paper membrane 3 to be connected to form flexible electronic paper display surface with driving backboard 4
Plate 10, cover plate 1 size is more than flexible electronic paper display floater 10, is provided with between cover plate 1 and flexible electronic paper display floater 10
Optical clear glue-line 2, the thickness of optical clear glue-line 2 is 50-300 micron, and flexible electronic paper display floater 10 is away from cover plate 1
Side be provided with water resistant oxygen protecting film 5, the thickness of water resistant oxygen protecting film 5 is below more than 50 nanometers and 1000 nanometers, flexible
Electronic paper display panel 10 periphery is provided with encapsulating structure 6, and encapsulating structure 6 is simultaneously connected with cover plate 1 and flexible electronic paper display floater
10, and cover the gap between flexible electronic paper display floater 10 and cover plate 1 and step, the material of encapsulating structure 6 is water vapor
Protection glue, the thickness of water vapor protection glue is more than 50 microns, and flexible circuit board 7 is connected with driving backboard 4.
In above-mentioned curve flexibility display device of electronic paper, the material of each ingredient all has multiple choices:
Cover plate 1 material can be plastics, safety glass, pottery or sapphire, and these material hardness are relatively big, can effectively prevent
Friction cut；When select plastics etc. flexible preferably material is as cover plate material time, by can the holding curve flexibility of relatively limits
The overall flexibility of display device of electronic paper so that it is be more suitable for wearable device etc. and the most in use produce dynamic bending deformation
Use environment, when selecting the preferable materials of hardness such as safety glass as cover plate material, then can retain song to a certain extent
The flexibility of face flexible electronic paper display device, and reach more preferable protected effect and use texture, the curved surface steel in exemplary embodiments
Change glass cover-plate to be i.e. made up of 3D abnormity globoidal glass.When the size of the cover plate is more than flexible electronic paper display floater, the song formed
Face flexible electronic paper display device has been provided with good outward appearance globality and structural stability, can be directly anchored to required environment
In use, decrease component count, simplify assemble flow, facilitate production application.
Optical clear glue-line 2 uses two-sided laminating type to connect cover plate 1 and flexible electronic paper display floater 10, and its material can be adopted
The OCA optical cement conventional with touch screen field or UV glue (ultraviolet cured adhesive), OCA optical cement layer has transmitance high (99%
Above), caking property is strong, high temperature resistant, and non-yellowing without being layered and being prone to the advantages such as processing, refractive index is close with glass, can significantly drop
Low smooth line reflection, minimizing appear fiber-loss thus promote brightness, make picture the most clear, strengthen the display effect of screen,
Therefore as preferred material.On the one hand optical clear glue-line stabilizes the knot of cover plate and flexible electronic paper display floater as binding agent
Structure, reduces device thickness, on the other hand also possesses good flexibility, does not affect the entirety of curve flexibility display device of electronic paper
Flexible expression, also can fit from the cover plate perfection of different profiles, also fill up between cover plate and flexible electronic paper display floater simultaneously
Space, make the impurity such as dust, steam be not easily accessible device produce interference, maintain the cleanliness factor of flexible display screen.
Flexible electronic paper membrane 3 can be the electrophoresis showed medium of microcapsule, micro-cup, it is also possible to be electrowetting layer, preferably microcapsule
Electrophoresis showed medium.
Drive backboard 4 to make for flexible deflection material, polyethylene terephthalate (polyethylene can be used
Terephthalate, PET), cyclic olefin polymer (polycyclic olefin, PCO), PEN
(polyethylene naphthalene, PEN), polyimides (polyimide, PI), Merlon (polycarbonate,
PC), polyether sulfone (polyether sulphone, PES) or polymethyl methacrylate (Polymethyl methacrylate,
PMMA) etc., it is possible to use thin glass (thickness is less than 0.2mm).
Drive on backboard 4 dot-matrix drive circuit that can be to make and have TFT drive circuit, it is also possible to be preset with figure passive
Drive circuit.Under TFT active driving design, drive backboard 4 upper surface can include multiple thin film transistor (TFT) (in figure not
Display), thin film transistor (TFT) can be that the processing procedure array such as non-crystalline silicon or low temperature polycrystalline silicon is formed at driving backboard 4 upper surface；Can also
It is that organic thin film transistor array is formed at driving backboard 4 upper surface；Under the passive matrix of preset pattern designs, drive backboard
Show electrode (not shown) on 4 is the most corresponding preset pattern.Drive the formation of backboard 4 upper surface drive circuit
Being to be realized by patterning process, use photoetching process or printing technology, finishing patterns processing procedure, to increase pliability, it is achieved
Deflection electronic paper display panel.The flexible electronic paper display floater 10 of deflection under the effect of optical clear glue-line to special-shaped cover
The structure adaptability of plate 1 is higher.
Water resistant oxygen protecting film 5 has stop steam and the characteristic of shielding of ultraviolet (UV), it is possible to use inorganic protective film, wherein
Inorganic protective film may include that SiOx, SiNx, SiON, Al2O3 etc.；By chemical deposition (CVD), sputtering (sputter)
Or coating (coating) mode forms passivation layer, and its thickness can be more than 50nm and below 1000nm.Water resistant oxygen is protected
Cuticula 5 can also be organic protective film, and organic protective film may include that general common polymer (PMMA, PS), has phenol
(phenol) polymeric derivative of group, acrylic polymer, acid imide macromolecule, aryl oxide family macromolecule, amide
Family macromolecule, fluorine family macromolecule, xylol family macromolecule, vinyl alcohol macromolecule and mixture thereof etc..Water resistant oxygen protecting film
5 can also is that the composite film into inorganic insulating membrane and organic insulating film.The water oxygen permeability of water resistant oxygen protecting film 5 is less than 0.1
g/m2/day。
The material of encapsulating structure can be that water vapor protects glue, and water vapor protection glue can be optic-solidified adhesive or heat-curable glue, selects
Water vapor protection glue is as the advantage of encapsulating structure, each several part group to curve flexibility display device of electronic paper that can be good
Part is attached and encapsulates fixing, also can intercept steam simultaneously, protects intraware, nor affects on curve flexibility Electronic Paper and show
The overall flexibility of device is expressed.
In the manufacture method of above-mentioned curve flexibility display device of electronic paper, flexible electronic paper display floater 10 is prebended into
Type, and form single unit system by hot pressing, deaeration, fitting with cover plate 1 of solidification electron-lucent glue-line 2 when the most flexible,
Middle very close to each other.Flexible electronic paper membrane 2 is connected with driving backboard 4 by heat lamination mode, flexible electronic paper membrane 2 and driving
The electrical connection of backboard 4 is realized by transfer electrode.For realizing the connection of curve flexibility display device of electronic paper and external system, can
To be directly connected with external system by flexible circuit board 7；Can also be that the part of driving chip or drive circuit is directly set
It is placed in driving backboard 4 upper surface, then is connected with external system by described flexible circuit board 7.It is people in the art
Well known to member, repeat no more.
Described curve flexibility display device of electronic paper, display performance is outstanding, and OCA integration is fitted, and stabilizes cover plate with flexible
The structure of electronic paper display panel, reduces device thickness, can fix, reduce in the way of directly taking buckle or lock screw
The assembly problem that laminating deviation is brought, need not consider width of fitting, it is possible to achieve narrower frame, it helps narrow frame design,
Simplifying assembling procedure, reduce assembly cost, thinner module thickness designs for structure and provides greater flexibility, such as by song
The general thickness of face flexible electronic paper display device controls at about 0.3mm, can be arranged directly on the frivolous objects such as bank card,
Play extra function improving product class.
Present invention is mainly used for manufacturing a kind of flexible electronic paper display device, the most existing like product structure significantly reduces light
Interference and loss so that display picture more true to nature, decrease product thickness, also have display picture will not enter the advantages such as dust,
OCA integrated design between flexible electronic paper screen and cover plate adds the mechanical strength of device, improves device stability, suitable
For various abnormity cover plates, meanwhile, this structure can prevent steam from laterally permeating from display medium Electronic Paper, solves flexible electronic paper
Lateral moisture barrier problem, improves device stability, in the extension fixture life-span, has good looking appearance, excellent performance, it is easy to manufacture,
Reliable and the long-lived advantage of structure.
Above example limits the present invention never in any form, every above example is made in equivalent transformation mode other change
Enter and application, broadly fall into protection scope of the present invention.
Claims (10)
1. a flexible electronic paper display device; including cover plate; flexible electronic paper membrane; drive backboard, flexible circuit board, it is characterised in that: it is provided with optical clear glue-line between described cover plate and flexible electronic paper membrane; described flexible electronic paper membrane is connected to form flexible electronic paper display floater with driving backboard; described flexible electronic paper display floater is provided with water resistant oxygen protecting film away from the side of cover plate, and described flexible electronic paper display floater periphery is provided with encapsulating structure, and described flexible circuit board is connected with driving backboard.
A kind of flexible electronic paper display device the most according to claim 1, it is characterised in that: described encapsulating structure is simultaneously connected with cover plate and flexible electronic paper display floater, and covers the gap between flexible electronic paper display floater and cover plate and step.
A kind of flexible electronic paper display device the most according to claim 2, it is characterised in that: the material of described optical clear glue-line is OCA optical cement, and the thickness of described optical clear glue-line is more than 50 microns.
A kind of flexible electronic paper display device the most according to claim 3, it is characterised in that: the thickness of described optical clear glue-line is 50-300 micron.
A kind of flexible electronic paper display device the most according to claim 4, it is characterized in that: described cover plate is curved surface cover plate, material can be plastics, safety glass, pottery or sapphire, described the size of the cover plate is more than flexible electronic paper display floater, described driving backboard uses flexible deflection material, described flexible deflection material can be polyethylene terephthalate, cyclic olefin polymer, PEN, polyimides, Merlon, polyether sulfone, polymethyl methacrylate or the thickness thin glass less than 0.2 millimeter.
A kind of flexible electronic paper display device the most according to claim 5, it is characterised in that: described flexible electronic paper membrane is Electrophoretic display medium.
A kind of flexible electronic paper display device the most according to claim 6; it is characterized in that: described water resistant oxygen protecting film can be inorganic protective film, organic protective film or composite film, the thickness of described water resistant oxygen protecting film is below more than 50 nanometers and 1000 nanometers.
A kind of flexible electronic paper display device the most according to claim 7, it is characterised in that: the material of described encapsulating structure is that water vapor protects glue, and described water vapor protection glue is optic-solidified adhesive or heat-curable glue, and the thickness of described water vapor protection glue is more than 50 microns.
The manufacture method of a kind of flexible electronic paper display device the most according to claim 1, it is characterised in that: described flexible electronic paper display floater passes sequentially through mode and the cover plate laminating formation single unit system of hot pressing, deaeration, solidification electron-lucent glue-line.
The manufacture method of a kind of flexible electronic paper display device the most according to claim 9, it is characterized in that: described flexible electronic paper membrane is connected with driving backboard by heat lamination mode, described electronics paper membrane is realized by transfer electrode with the electrical connection driving backboard, described flexible electronic paper display floater prebends molding, and fits in when the most flexible on curved surface cover plate.
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| CN201610397051.1A CN105892192A (en) | 2016-06-07 | 2016-06-07 | Flexible electronic paper display device and manufacturing method thereof |
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| CN201610397051.1A CN105892192A (en) | 2016-06-07 | 2016-06-07 | Flexible electronic paper display device and manufacturing method thereof |
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| CN201610397051.1A Pending CN105892192A (en) | 2016-06-07 | 2016-06-07 | Flexible electronic paper display device and manufacturing method thereof |
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| CN106920829A (en) * | 2017-03-30 | 2017-07-04 | 京东方科技集团股份有限公司 | A kind of preparation method of flexible display panels, display device and flexible display panels |
| CN106972030A (en) * | 2017-03-30 | 2017-07-21 | 京东方科技集团股份有限公司 | A kind of preparation method of flexible display panels, display device and flexible display panels |
| CN107589873A (en) * | 2017-10-11 | 2018-01-16 | 业成科技（成都）有限公司 | The manufacture method of touch control display apparatus |
| CN108230907A (en) * | 2018-01-03 | 2018-06-29 | 上海天马有机发光显示技术有限公司 | Flexible display screen and display device |
| CN108922981A (en) * | 2018-07-19 | 2018-11-30 | 上海天马微电子有限公司 | Display panel and display device |
| CN109817834A (en) * | 2019-03-28 | 2019-05-28 | 京东方科技集团股份有限公司 | Flexible display apparatus and preparation method thereof |
| CN110164310A (en) * | 2019-05-27 | 2019-08-23 | 武汉华星光电半导体显示技术有限公司 | Flexible display panels and display device |
| CN110491289A (en) * | 2019-07-29 | 2019-11-22 | 武汉华星光电半导体显示技术有限公司 | Display device |
| CN110570761A (en) * | 2019-08-15 | 2019-12-13 | 武汉华星光电半导体显示技术有限公司 | Flexible display module and flexible display device |
| CN110569594A (en) * | 2019-09-05 | 2019-12-13 | 昆山国显光电有限公司 | Design method and device of curved cover plate, computer equipment and storage medium |
| CN110942717A (en) * | 2018-09-21 | 2020-03-31 | 乐金显示有限公司 | Rollable display device |
| CN112269289A (en) * | 2020-10-13 | 2021-01-26 | 江苏仕邦柔性电子研究院有限公司 | Flexible electronic paper display device and manufacturing method thereof |
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| CN113674628A (en) * | 2020-12-31 | 2021-11-19 | 友达光电股份有限公司 | Flexible display module |
| CN113960846A (en) * | 2021-09-30 | 2022-01-21 | 中国科学院重庆绿色智能技术研究院 | Flexible electronic paper and preparation and application thereof |
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| CN106920829A (en) * | 2017-03-30 | 2017-07-04 | 京东方科技集团股份有限公司 | A kind of preparation method of flexible display panels, display device and flexible display panels |
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| CN106972030B (en) * | 2017-03-30 | 2019-09-03 | 京东方科技集团股份有限公司 | A kind of production method of flexible display panels, display device and flexible display panels |
| US10803776B2 (en) | 2017-03-30 | 2020-10-13 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Flexible display panel, display device, and method for manufacturing flexible display panel |
| CN107589873A (en) * | 2017-10-11 | 2018-01-16 | 业成科技（成都）有限公司 | The manufacture method of touch control display apparatus |
| CN108230907A (en) * | 2018-01-03 | 2018-06-29 | 上海天马有机发光显示技术有限公司 | Flexible display screen and display device |
| CN108922981A (en) * | 2018-07-19 | 2018-11-30 | 上海天马微电子有限公司 | Display panel and display device |
| CN110942717A (en) * | 2018-09-21 | 2020-03-31 | 乐金显示有限公司 | Rollable display device |
| CN109817834A (en) * | 2019-03-28 | 2019-05-28 | 京东方科技集团股份有限公司 | Flexible display apparatus and preparation method thereof |
| CN110164310B (en) * | 2019-05-27 | 2022-04-26 | 武汉华星光电半导体显示技术有限公司 | Flexible display panel and display device |
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| CN110491289A (en) * | 2019-07-29 | 2019-11-22 | 武汉华星光电半导体显示技术有限公司 | Display device |
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Application publication date: 20160824 |