CN109216424B - Flexible display substrate protection film and flexible substrate - Google Patents
Flexible display substrate protection film and flexible substrate Download PDFInfo
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- CN109216424B CN109216424B CN201811090039.1A CN201811090039A CN109216424B CN 109216424 B CN109216424 B CN 109216424B CN 201811090039 A CN201811090039 A CN 201811090039A CN 109216424 B CN109216424 B CN 109216424B
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/846—Passivation; Containers; Encapsulations comprising getter material or desiccants
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/88—Dummy elements, i.e. elements having non-functional features
Abstract
The invention relates to the technical field of display, and discloses a flexible display substrate protective film and a flexible substrate. In the above-mentioned flexible display substrate protection film, be equipped with at least one deck inorganic barrier layer between first flexible base and the flexible base of second, and a plurality of selfreparing of at least one deck inorganic barrier layer absorb water the layer, every layer of selfreparing absorbs water the layer and includes a plurality of selfreparing units, when the flexible display substrate bending makes inorganic barrier layer produce the crack, the crack through the selfreparing unit can be restoreed to the selfreparing unit, in order to prevent during the fracture gets into organic electroluminescent device along the water oxygen, the packaging performance of flexible display substrate has been improved, and then the life-span of flexible display substrate has been improved.
Description
Technical Field
The invention relates to the technical field of display, in particular to a flexible display substrate protective film and a flexible substrate.
Background
The OLED is a display illumination technology which is gradually developed in recent years, and particularly in the display industry, the OLED is regarded as having a wide application prospect due to the advantages of high response, high contrast, flexibility and the like. The flexible display substrate is a highly flexible plate made of materials such as polyimide or polyester film, and has the advantages of light weight, thin thickness and the like. However, the capability of blocking water vapor and oxygen is weak, and the OLED device may be damaged by corrosion under the action of water vapor and oxygen, so that the blocking layer is usually added during the manufacturing of the flexible substrate to prevent the water oxygen from diffusing toward the OLED device.
The barrier layer is made of inorganic materials in the prior art, when a flexible device is bent, cracks are easy to appear under the action of stress, and water and oxygen can permeate into the device through the cracks, so that the packaging performance is reduced.
Disclosure of Invention
The invention provides a flexible display substrate protective film and a flexible substrate, wherein cracks generated when the flexible display substrate is bent are repaired through a self-repairing water absorption layer in the flexible display substrate protective film, water and oxygen are prevented from entering an organic electroluminescent device along the cracks, and the packaging performance of the flexible display substrate is improved.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a flexible display substrate protection film, includes relative first flexible basement and the flexible basement of second that sets up and is located at least one deck inorganic barrier layer between first flexible basement and the flexible basement of second, at least one deck inorganic barrier layer is equipped with the self-repairing layer that absorbs water that distributes along inorganic barrier layer extension direction, the self-repairing layer that absorbs water includes a plurality of self-repairing units with the layer setting.
In the above-mentioned flexible display substrate protection film, be equipped with at least one deck inorganic barrier layer between first flexible base and the flexible base of second, and at least one deck inorganic barrier layer is equipped with the selfreparing layer that absorbs water, every layer of selfreparing layer that absorbs water includes a plurality of selfreparing units, when the flexible display substrate bending makes inorganic barrier layer produce the crack, the crack through the selfreparing unit can be restoreed to the selfreparing unit, in order to prevent during water oxygen gets into organic electroluminescent device along the crack, the packaging performance of flexible display substrate has been improved, and then the life-span of flexible display substrate has been improved.
Preferably, a multilayer inorganic barrier layer is disposed between the first flexible substrate and the second flexible substrate, wherein:
each inorganic barrier layer is provided with a self-repairing water absorbing layer, and the orthographic projection of each self-repairing water absorbing layer on the first flexible substrate is superposed with the orthographic projection of the second flexible substrate on the first flexible substrate; or the like, or, alternatively,
except the inorganic barrier layer on the top layer, each inorganic barrier layer is provided with a self-repairing water-absorbing layer, and the orthographic projection of each self-repairing water-absorbing layer on the first flexible substrate is superposed with the orthographic projection of the second flexible substrate on the first flexible substrate.
Preferably, each self-repairing unit is of a circular structure or a polygonal structure.
Preferably, each self-repairing unit is of a regular hexagonal structure.
Preferably, three inorganic barrier layers are arranged between the first flexible substrate and the second flexible substrate, wherein projections of each self-repairing unit on the first flexible substrate do not overlap.
Preferably, the self-repairing water absorption layer is made of a first composite material, a second composite material, a konjac glucomannan-acrylic acid graft copolymer and mannitol-based self-repairing gel, wherein the first composite material comprises a hydrophilic monomer, sodium alginate and nanoclay, and the second composite material comprises konjac glucomannan, polyacrylamide and nanoclay.
Preferably, the thickness of the self-repairing water absorption layer ranges from 0.05 μm to 5 μm.
Preferably, the inorganic barrier layer is made of one or more of SiNx, SiO2, SiC, Al2O3, ZnS, and ZnO.
Preferably, the inorganic barrier layer has a thickness ranging from 0.1 μm to 5 μm.
The invention also provides a flexible substrate which comprises any one of the flexible display substrate protective films in the technical scheme.
Drawings
Fig. 1 is a schematic structural diagram of a first structural manner of a protective film of a flexible display substrate according to the present invention;
FIG. 2 is a schematic structural diagram of a second structural mode of the protective film for a flexible display substrate according to the present invention;
FIG. 3 is a schematic structural diagram of a first self-repairing water-absorbing layer in a protective film for a flexible display substrate according to the present invention;
FIG. 4 is a schematic structural diagram of a second self-repairing water-absorbing layer in the protective film of the flexible display substrate according to the present invention;
FIG. 5 is a schematic structural diagram of a third self-repairing water-absorbing layer in the protective film of the flexible display substrate according to the present invention;
fig. 6 is a schematic structural diagram of projections of the first self-repairing water-absorbing layer, the second self-repairing water-absorbing layer and the third self-repairing water-absorbing layer on the first flexible substrate in the protective film for the flexible display substrate provided by the invention.
Icon: 1-a first flexible substrate; 2-an inorganic barrier layer; 3-self-repairing water-absorbing layer; 31-a self-repair unit; 32-a first self-healing water-absorbent layer; 33-a second self-repairing water-absorbing layer; 34-a third self-repairing water-absorbing layer; 4-a second flexible substrate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the flexible display substrate protective film provided in the embodiment of the present invention includes a first flexible substrate 1 and a second flexible substrate 4 that are disposed opposite to each other, and at least one inorganic barrier layer 2 located between the first flexible substrate 1 and the second flexible substrate 4, where the at least one inorganic barrier layer 2 is provided with a plurality of self-repairing water-absorbing layers 3 distributed along an extension direction of the inorganic barrier layer 2, and the self-repairing water-absorbing layer 3 includes a plurality of self-repairing units 31 disposed on the same layer.
In the above-mentioned flexible display substrate protection film, be equipped with at least one deck inorganic barrier layer 2 between first flexible base 1 and the flexible base 4 of second, and be equipped with the selfreparing layer 3 that absorbs water in the at least one deck inorganic barrier layer 2, every layer of selfreparing absorbs water layer 3 and includes a plurality of selfreparing units 31, when the crooked inorganic barrier layer 2 that makes of flexible display substrate produced the crack, selfreparing unit 31 can repair the crack through selfreparing unit 31, in order to prevent during the crack entering organic electroluminescent device is followed to the oxyhydrogen, the packaging performance of flexible display substrate has been improved, and then the life-span of flexible display substrate has been improved.
The structures of the inorganic barrier layer 2 and the self-repairing water absorption layer 3 have the following two modes:
the first method is as follows:
as shown in fig. 1, a multilayer inorganic barrier layer 2 is disposed between a first flexible substrate 1 and a second flexible substrate 4, wherein:
each inorganic barrier layer 2 is provided with a self-repairing water-absorbing layer 3, and the orthographic projection of the self-repairing water-absorbing layer 3 on the first flexible substrate 1 coincides with the orthographic projection of the second flexible substrate 4 on the first flexible substrate 1.
The second method comprises the following steps:
as shown in fig. 2, except for the inorganic barrier layer on the top layer, each inorganic barrier layer 2 is provided with a self-repairing water-absorbing layer 3, and the orthographic projection of the respective repairing water-absorbing layer 3 on the first flexible substrate 1 coincides with the orthographic projection of the second flexible substrate 4 on the first flexible substrate 1.
In the first mode and the second mode, the self-repairing water-absorbing layer 3 covers the first flexible substrate 1 in the direction perpendicular to the first flexible substrate 1, and the self-repairing water-absorbing layer 3 covers each area of the first flexible substrate 1, so that crack repair can be realized in each area.
FIG. 3 is a schematic structural view of the first self-healing bibulous layer 32; FIG. 4 is a schematic structural diagram of the second self-repairing water-absorbent layer 33; FIG. 5 is a schematic structural view of a third self-healing bibulous layer 34; fig. 6 is a schematic structural diagram of the projections of the first self-repairing water-absorbent layer 32, the second self-repairing water-absorbent layer 33 and the third self-repairing water-absorbent layer 34 on the first flexible substrate 1.
As shown in fig. 3 to fig. 6, in this embodiment, a first inorganic barrier layer, a second inorganic barrier layer, and a third inorganic barrier layer having a self-repairing water-absorbing layer 3 are sequentially disposed between a first flexible substrate 1 and a second flexible substrate 4, wherein the first inorganic barrier layer is provided with a first self-repairing water-absorbing layer 32, the second inorganic barrier layer is provided with a second self-repairing water-absorbing layer 33, the third inorganic barrier layer is provided with a third self-repairing water-absorbing layer 34, the repairing units 31 in the respective repairing water-absorbing layers are disposed at intervals, and the projections of the respective repairing units 31 on the first flexible substrate 1 are not overlapped and adjacent projections are complementary to form a projection structure disposed in a staggered manner, so that the projected area can cover each area of the first flexible substrate 1.
Three groups of inorganic barrier layers 2 with self-repairing water-absorbing layers are arranged between the first flexible substrate 1 and the second flexible substrate 4, the projections of the self-repairing units 31 in the inorganic barrier layers 2 onto the first flexible substrate 1 form a projection structure which is free of overlapping and complementary between adjacent projections, so that the effect that the projection of the self-repairing water-absorbing layers 3 on the first flexible substrate 1 is overlapped with the projection of the second flexible substrate 4 is achieved, on one hand, due to the fact that the adhesive force of the self-repairing water-absorbing layers 3 is poor, the self-repairing units 31 in each self-repairing water-absorbing layer are arranged at intervals, the connection stability between the inorganic barrier layers 2 can be guaranteed, and the self-repairing units 31 in the flexible display substrate are prevented from being peeled off and falling; on the other hand, projections of all the self-repairing water absorption layers 3 on the first flexible substrate 1 are overlapped with projections of the second flexible substrate 4 on the first flexible substrate 1, so that generated cracks can be repaired, water and oxygen are effectively prevented from entering the organic electroluminescent layer, and the packaging effect is improved.
As an embodiment of the self-repairing units 31, each of the self-repairing units 31 has a circular structure or a polygonal structure.
Specifically, in this embodiment, each self-repairing unit 31 is of a hexagonal structure, and each self-repairing unit 31 adopts the hexagonal structure to increase the contact area between each self-repairing unit 31 and the inorganic barrier layer 2, that is, the bonding area between each self-repairing unit 31 and the inorganic barrier layer 2 is increased, so that the connection strength between the self-repairing unit 31 and the inorganic barrier layer 2 is improved, the connection stability between the self-repairing water-absorbing unit and the inorganic barrier layer 2 is improved, and further, the stability of the display panel structure is improved.
As an implementation mode of the self-repairing water-absorbing layer 3, the self-repairing water-absorbing layer is made of a first composite material, a second composite material, a konjac glucomannan-acrylic acid graft copolymer and mannitol-based self-repairing gel, wherein the first composite material comprises a hydrophilic monomer, sodium alginate and nanoclay, and the second composite material comprises konjac glucomannan, polyacrylamide and nanoclay.
The self-repairing water-absorbing layer 3 is made of a physical self-repairing material, and the self-repairing effect of the self-repairing water-absorbing layer 3 is guaranteed.
Specifically, the thickness of the self-repairing water-absorbing layer 3 ranges from 0.05 μm to 5 μm, the thickness of the self-repairing water-absorbing layer 3 may be 0.05 μm, 0.1 μm, 0.2 μm, 0.3 μm, 0.4 μm or 0.5 μm, which is not limited herein, and the thickness of the self-repairing water-absorbing layer 3 may be selected according to the size of the display panel.
As an embodiment of the inorganic barrier layer 2, the inorganic barrier layer 2 is made of one or more of SiNx, SiO2, SiC, Al2O3, ZnS, and ZnO.
Specifically, the thickness of the inorganic barrier layer 2 ranges from 0.1 μm to 5 μm, and the thickness of the inorganic barrier layer may be 0.1 μm, 0.5 μm, 1 μm, 2 μm, 3 μm, 4 μm, or 5 μm, which is not limited herein, and generally, the thickness of the inorganic barrier layer 2 may be selected according to the size of a real panel.
Specifically, the first flexible substrate 1 and the second flexible substrate 4 are polyimide films.
The polyimide film used for the first flexible substrate 1 and the second flexible substrate 4 has good insulating property, chemical stability and humidity resistance.
The embodiment of the invention also provides a flexible substrate which comprises the protective film of the flexible display substrate in any one of the embodiments.
The embodiment of the invention also provides a preparation method of the flexible display substrate protective film, which comprises the following steps:
forming at least one inorganic barrier layer 2 on a first flexible substrate 1, wherein the at least one inorganic barrier layer 2 is provided with a self-repairing water-absorbing layer 3 distributed along the extension direction of the inorganic barrier layer 2, and the self-repairing water-absorbing layer 3 comprises a plurality of self-repairing units 31 arranged on the same layer;
a second flexible substrate 4 is prepared.
Specifically, a multilayer inorganic barrier layer 2 is prepared on a first flexible substrate 1.
As shown in fig. 1, when each inorganic barrier layer 2 is provided with a self-repairing water-absorbing layer 3, at least one inorganic barrier layer 2 is prepared on a first flexible substrate 1, and the patterned self-repairing water-absorbing layer 3 formed by the at least one inorganic barrier layer 2 along the extension direction of the inorganic barrier layer 2 through a composition process comprises: the method comprises the following steps: preparing a self-repairing water absorbing layer 3 on a first flexible substrate 1, and performing a second step: preparing an inorganic barrier layer 2 on the self-repairing water absorption layer 3, and performing the third step: preparing a self-repairing water absorbing layer 3 on the inorganic barrier layer 2, and the fourth step: preparing an inorganic barrier layer 2 on the self-repairing water-absorbing layer 3, repeating the first step to the fourth step to form a multilayer inorganic unit barrier layer, wherein the self-repairing water-absorbing layer 3 is arranged in each inorganic barrier layer 2, and the orthographic projection of the self-repairing water-absorbing layer 3 on the first flexible substrate 1 is superposed with the orthographic projection of the second flexible substrate 4 on the first flexible substrate 1;
when inorganic barrier layer 2 includes first inorganic barrier layer, the inorganic barrier layer of second and the inorganic barrier layer of third that set gradually on first flexible substrate 1, prepare at least one deck inorganic barrier layer 2 on first flexible substrate 1, and at least one deck inorganic barrier layer 2 forms patterned self-repairing water absorption layer 3 along the 2 extension directions of inorganic barrier layer through the composition technology and includes: the method comprises the following steps: preparing a first self-repairing water-absorbing layer 32 on the first flexible substrate 1, and performing the following steps: preparing a first inorganic barrier layer on the first self-repairing water absorption layer 32, and the third step: preparing a second self-repairing water-absorbing layer 33 on the first inorganic barrier layer, and the fourth step: preparing a second inorganic barrier layer on the second self-repairing water-absorbing layer 33, and step five: preparing a third self-repairing water-absorbing layer 34 on the second inorganic barrier layer, and a sixth step: and preparing a third inorganic barrier layer on the third self-repairing water-absorbing layer 34 to form a plurality of inorganic unit barrier layers, wherein each inorganic barrier layer is internally provided with a self-repairing water-absorbing layer, and the orthographic projection of each self-repairing water-absorbing layer on the first flexible substrate 1 coincides with the orthographic projection of the second flexible substrate 4 on the first flexible substrate 1.
As shown in fig. 2, when except the inorganic barrier layer 2 on the top layer, all be equipped with the self-repairing water absorption layer 3 on each layer of inorganic barrier layer 2, prepare at least one deck inorganic barrier layer 2 on first flexible substrate 1, and at least one deck inorganic barrier layer 2 forms patterned self-repairing water absorption layer 3 through the composition process along the 2 extension directions of inorganic barrier layer and includes: the method comprises the following steps: preparing an inorganic barrier layer 2 on a first flexible substrate 1, step two: preparing a self-repairing water absorbing layer 3 on the inorganic barrier layer 2, and performing the third step: preparing an inorganic barrier layer 2 on the self-repairing water absorption layer 3, and step four: preparing a self-repairing water-absorbing layer 3 on the inorganic barrier layer 2, repeating the first step to the fourth step to form a multilayer inorganic unit barrier layer, wherein except the inorganic barrier layer 2 on the top layer, the self-repairing water-absorbing layer 3 is arranged in each inorganic barrier layer 2, and the orthographic projection of the respective repairing water-absorbing layer 3 on the first flexible substrate 1 is superposed with the orthographic projection of the second flexible substrate 4 on the first flexible substrate 1;
when inorganic barrier layer 2 includes first inorganic barrier layer, the inorganic barrier layer of second, the inorganic barrier layer of third and the inorganic barrier layer of fourth that set gradually on first flexible substrate 1, prepare at least one deck inorganic barrier layer on first flexible substrate 1, and at least one deck inorganic barrier layer 2 forms patterned selfreparing layer 3 that absorbs water through the composition process along the 2 extension directions of inorganic barrier layer and includes: the method comprises the following steps: preparing a first inorganic barrier layer on a first flexible substrate 1, step two: preparing a first self-repairing water-absorbing layer 32 on the first inorganic barrier layer, and the third step: preparing a second inorganic barrier layer on the first self-repairing water absorption layer 32, and the fourth step: preparing a second self-repairing water-absorbing layer 33 on the second inorganic barrier layer, and performing a fifth step: preparing a third inorganic barrier layer on the second self-repairing water-absorbing layer 33, and a sixth step: preparing a third self-repairing water-absorbing layer 34 on the third inorganic barrier layer, and performing a seventh step: and a fourth inorganic barrier layer is prepared on the third self-repairing water-absorbing layer 34 to form an inorganic barrier layer except the top layer, a self-repairing water-absorbing layer is arranged in each inorganic barrier layer 2, and the orthographic projection of the self-repairing water-absorbing layer on the first flexible substrate 1 coincides with the orthographic projection of the second flexible substrate 4 on the first flexible substrate 1.
It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. The protective film for the flexible display substrate is characterized by comprising a first flexible substrate, a second flexible substrate and a plurality of inorganic barrier layers, wherein the first flexible substrate and the second flexible substrate are arranged oppositely, the inorganic barrier layers are positioned between the first flexible substrate and the second flexible substrate, at least one inorganic barrier layer is provided with a self-repairing water absorption layer distributed along the extension direction of the inorganic barrier layer, and the self-repairing water absorption layer comprises a plurality of self-repairing units arranged on the same layer; wherein:
each inorganic barrier layer is provided with a self-repairing water absorbing layer, and the orthographic projection of each self-repairing water absorbing layer on the first flexible substrate is superposed with the orthographic projection of the second flexible substrate on the first flexible substrate; or the like, or, alternatively,
except the inorganic barrier layer on the top layer, each inorganic barrier layer is provided with a self-repairing water-absorbing layer, and the orthographic projection of each self-repairing water-absorbing layer on the first flexible substrate is superposed with the orthographic projection of the second flexible substrate on the first flexible substrate.
2. The protective film for a flexible display substrate of claim 1, wherein each of the self-repairing units has a circular structure or a polygonal structure.
3. The protective film for a flexible display substrate of claim 2, wherein each of the self-repairing units has a regular hexagonal structure.
4. The protective film for the flexible display substrate of claim 3, wherein three inorganic barrier layers are disposed between the first flexible substrate and the second flexible substrate, and projections of each of the self-repairing units on the first flexible substrate do not overlap.
5. The protective film for the flexible display substrate of claim 1, wherein the self-repairing water-absorbing layer is made of a first composite material, a second composite material, a konjac glucomannan-acrylic acid graft copolymer and a mannitol-based self-repairing gel, wherein the first composite material comprises a hydrophilic monomer, sodium alginate and nanoclay, and the second composite material comprises konjac glucomannan, polyacrylamide and nanoclay.
6. The protective film for a flexible display substrate of claim 1, wherein the self-healing water-absorbing layer has a thickness ranging from 0.05 μm to 5 μm.
7. The protective film for a flexible display substrate according to claim 1, wherein the inorganic barrier layer is made of SiNx, SiO2、SiC、Al2O3One or more of ZnS and ZnO.
8. The protective film according to claim 1, wherein the inorganic barrier layer has a thickness in a range of 0.1 μm to 5 μm.
9. A flexible substrate comprising the flexible display substrate protective film according to any one of claims 1 to 8.
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| US11444268B2 (en) * | 2019-03-26 | 2022-09-13 | Apple Inc. | Electronic devices with flexible display cover layers |
| CN110164308A (en) * | 2019-05-23 | 2019-08-23 | 京东方科技集团股份有限公司 | A kind of encapsulating method and structure |
| CN110265578B (en) * | 2019-06-27 | 2022-03-25 | 昆山工研院新型平板显示技术中心有限公司 | Display panel and display device |
| CN110246886A (en) * | 2019-06-28 | 2019-09-17 | 京东方科技集团股份有限公司 | A kind of flexible display panels, display device and display methods |
| CN112885973A (en) * | 2021-01-15 | 2021-06-01 | 惠科股份有限公司 | Thin film packaging structure, preparation method thereof and display panel |
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| CN107492601A (en) * | 2017-09-30 | 2017-12-19 | 京东方科技集团股份有限公司 | A kind of display device and its method for packing, display device |
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| JP2006004781A (en) * | 2004-06-17 | 2006-01-05 | Tohoku Pioneer Corp | Organic el element and organic el display panel |
| KR102250664B1 (en) * | 2014-06-30 | 2021-05-11 | 엘지디스플레이 주식회사 | Flexible display |
| KR102332428B1 (en) * | 2014-12-08 | 2021-12-01 | 엘지디스플레이 주식회사 | Flexible display |
| CN104733647B (en) * | 2015-03-10 | 2016-08-24 | 京东方科技集团股份有限公司 | Film encapsulation method and thin-film packing structure, display device |
| KR102305462B1 (en) * | 2015-04-30 | 2021-09-27 | 삼성디스플레이 주식회사 | Flexible window substrate and flexible display device having the same |
| CN105280837B (en) * | 2015-09-17 | 2017-11-10 | 上海大学 | Compound barrier structure with self-repairing capability |
| CN106409873B (en) * | 2016-10-12 | 2019-06-04 | 上海天马微电子有限公司 | Flexible display apparatus and manufacturing method |
| CN107482044B (en) * | 2017-08-23 | 2020-03-06 | 京东方科技集团股份有限公司 | Color film substrate for OLED display and OLED display |
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| CN107369781A (en) * | 2017-08-29 | 2017-11-21 | 京东方科技集团股份有限公司 | Encapsulating structure and organic light-emitting display device |
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