CN109980124B - Support film, preparation method thereof and display device - Google Patents
Support film, preparation method thereof and display device Download PDFInfo
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- CN109980124B CN109980124B CN201910280892.8A CN201910280892A CN109980124B CN 109980124 B CN109980124 B CN 109980124B CN 201910280892 A CN201910280892 A CN 201910280892A CN 109980124 B CN109980124 B CN 109980124B
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- 238000000034 method Methods 0.000 abstract description 8
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000009941 weaving Methods 0.000 description 4
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- 230000005489 elastic deformation Effects 0.000 description 3
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
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- 229910052759 nickel Inorganic materials 0.000 description 2
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- 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
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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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Laminated Bodies (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention discloses a support film, a preparation method thereof and a display device, relates to the technical field of display, and solves the problems that the support film in the prior art is poor in bending resilience and can be slowly and irreversibly deformed under the action of stress. The main technical scheme of the invention is as follows: the method comprises the following steps: a metal mesh layer; and the organic film layer is used for wrapping the metal mesh layer and filling the hollow part in the middle of the metal mesh layer.
Description
Technical Field
The invention relates to the technical field of display, in particular to a support film, a preparation method of the support film and a display device.
Background
Currently, the current practice is. The flexible display panel has attracted more and more attention due to its flexible property, and especially, the Organic Light Emitting diode display (OLED) has advantages of self-luminescence, high Light Emitting efficiency, short response time, high definition and contrast, and the like, and thus is becoming the first choice of the display panel.
The flexible display panel is usually protected and supported by attaching a support film to the bottom, and therefore, the support film is the thickest compared to other film layers, and the bending recovery performance, bending strength, deformability and the like of the thickest support film will directly affect the overall bending performance of the thin film layer attached to the upper portion of the support film.
Taking the OLED display panel as an example, because the OLED display panel generally includes film layer structures such as a light emitting film layer, an array structure layer, a flexible substrate, a support film, etc., the support film of the OLED display panel is generally made of organic materials such as a PET substrate, etc., the support film made of the organic materials has poor bending recovery performance and bending strength, and can be slowly and irreversibly deformed under the action of stress, and has significant creep deformation at high temperature, which affects the support protection effect of the support film on the flexible display panel.
Disclosure of Invention
In view of the above, embodiments of the present invention provide a support film, a method for manufacturing the support film, and a display device, and mainly aim to solve the problem in the prior art that the support film has poor bending recovery and can be slowly and irreversibly deformed under stress.
In order to achieve the purpose, the invention mainly provides the following technical scheme:
in one aspect, an embodiment of the present invention provides a support film, including: a metal mesh layer; and the organic film layer is used for wrapping the metal mesh layer and filling the hollow part in the middle of the metal mesh layer.
Optionally, the metal mesh layer is a three-dimensional metal mesh structure, and the hollow portion is formed inside the three-dimensional metal mesh structure.
Optionally, the metal mesh layer is a metal plate structure, and the metal plate structure is uniformly provided with the hollow parts.
Optionally, the metal mesh layer is disposed corresponding to the bendable region of the flexible substrate.
Optionally, the metal mesh layer is made of a metal material with preset elasticity; the organic film layer is made of an organic material having a predetermined elasticity.
On the other hand, the embodiment of the invention also provides a preparation method of the support film, which comprises the following steps: manufacturing a metal mesh layer; and manufacturing an organic film layer outside the metal net layer to form a support film.
Optionally, the manufacturing the metal mesh layer includes: providing a mold, and pouring molten metal into the mold to form a three-dimensional metal network structure; or the three-dimensional metal network structure is formed by weaving metal wires.
Optionally, the manufacturing the metal mesh layer includes: providing a metal plate, and uniformly processing hollowed-out parts on the metal plate.
Optionally, the forming of the organic film layer outside the metal mesh layer includes: and preparing a high-molecular organic material, coating the high-molecular organic material outside the metal net layer, and filling the hollow part and wrapping the metal net layer.
On the other hand, an embodiment of the present invention further provides a display device, where the display device includes: the support film described above.
According to the support film, the preparation method and the display device, the metal mesh layer is made of the metal material, the organic film layer is wrapped outside the metal mesh layer to form the support film with a smooth surface, the metal material is high in elastic modulus, and the metal mesh layer is used as a main body to improve the recovery capability of the support film after deformation. Therefore, the metal mesh layer and the organic film layer wrapped outside the metal mesh layer jointly form the support film, and compared with the support film made of only organic materials, the support film has higher bending recovery capability, bending strength and deformation capability and creep resistance at high temperature. And the metal net layer is added into the support film, so that the support property and the strength of the support film can be improved, and the support and the protection of the flexible substrate and the display element can be improved.
Drawings
Fig. 1 is a schematic structural diagram of a support film according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another support film provided in an embodiment of the present invention;
FIG. 3 isbase:Sub>A schematic diagram ofbase:Sub>A cross-sectional structure A-A of FIG. 2 according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of another support film provided in the embodiments of the present invention;
FIG. 5 is a schematic structural diagram of another support film provided in the embodiments of the present invention;
FIG. 6 is a schematic structural diagram of another support film provided in the embodiments of the present invention;
fig. 7 is a schematic flow chart of a method for manufacturing a support film according to an embodiment of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the supporting film, the method for manufacturing the supporting film, and the display device according to the present invention will be provided with reference to the accompanying drawings and preferred embodiments.
Example one
An embodiment of the present invention provides a support film, including:
as shown in fig. 1-6, a metal mesh layer 1; the organic film layer 1 and the organic film layer 2 are used for wrapping the metal net layer 1 and filling the hollow-out part 3 in the middle of the metal net layer 1.
Specifically, the metal mesh layer 1 is a grid structure made of a metal material, a hollow structure is formed inside the metal mesh layer, the metal mesh layer may be a sheet structure processed with a hollow part 3 or a mesh structure capable of forming the hollow part 3, and the like, wherein the mesh structure may be a two-dimensional mesh structure or a three-dimensional mesh structure; the metal mesh layer 1 may be made of a metal material having good elasticity, such as: can be high-elasticity steel, nickel, titanium and the like; the metal mesh layer 1 may be disposed in the entire support film, or the metal mesh layer 1 may be disposed only corresponding to the bendable region of the flexible substrate 4, and it should be ensured that the area of the metal mesh layer 1 is not smaller than the area of the corresponding bendable region of the flexible substrate 4, so that the bendable region of the support film has good bending recovery performance. The metal mesh layer 1 is formed with a plurality of hollow portions 3, which are missing regions penetrating the metal mesh layer, and the plurality of missing portions form the metal mesh layer 1 into a mesh structure. And set up organic rete 2 in metal mesh layer 1's outside, organic rete 2 can be with whole metal mesh layer parcel, makes its both sides all form smooth surface, also can only wrap up the one side of metal mesh layer 1 and flexible base plate 4 contact, guarantees to support the surface that membrane and flexible base plate 4 contact for smooth surface can, organic rete 2 is made through organic material, for example: the organic film layer 2 can be made of PI, rubber, silica gel and other materials.
The support film in the prior art is mostly made of organic materials such as PI, PET and the like, the PI film (polyimide film) has an elastic modulus of 400MPa, the PET film (poly terephthalic acid plastic film) has an elastic modulus of 4000MPa, the stress creep of the two materials is obvious and easy to change after the two materials exceed 60 ℃, and the two materials can generate irreversible deformation under the action of long-time stress. In contrast, metallic materials have much higher hardness and modulus than organic materials and are thermally stable, for example: the elastic modulus of the steel can reach 190G Pa, the elastic modulus is a measure for measuring the elastic deformation resistance of an object, the larger the value of the elastic modulus is, the larger the stress of the material which generates elastic deformation is, namely the smaller the elastic deformation generated under the action of a certain stress is, the more difficult the material is, and the stronger the elastic restoring force after deformation is, the metal material is adopted to manufacture the metal net layer 1 and is applied to the supporting film, the metal net layer 1 is used as the main body of the supporting film and can relieve the irreversible deformation problem of the organic film layer 2 under the action of the stress, so that the bending restoring performance of the supporting film can be ensured, meanwhile, the strength and the support performance of the supporting film can be improved by arranging the metal net layer 1, and the creep resistance of the supporting film can be improved at high temperature; the middle part of metal mesh layer 1 contains a plurality of fretwork portions 3, and the deformation of metal mesh layer 1, the performance of buckling can be strengthened in the setting of a plurality of fretwork portions 3, and when display device received impact such as outside collision, can avoid great impact force direct action on flexible base plate 4 or display device through the effectual dispersion of a plurality of fretwork portions 3 and buffering impact force, can be better play the effect of protection flexible base plate 4 and display device. Organic rete 2 by organic material makes fills the inside fretwork portion 3 of metal mesh layer 1 and wraps up metal mesh layer 1, compare with metal material, organic material's material is softer, can avoid other retes of fish tail through organic rete 2 with the parcel of metal film layer 1, and organic rete 2 fills fretwork portion 3, can make the support membrane have metal material and organic material common advantage concurrently, both have the high resilience of metal, high strength, also can have organic material's flexibility and elasticity concurrently.
The first embodiment of the invention provides a support film, wherein a metal mesh layer is made of a metal material, an organic film layer is wrapped outside the metal mesh layer to form the support film with a smooth surface, the metal material has a high elastic modulus, and the metal mesh layer serving as a main body can improve the recovery capability of the support film after deformation. Therefore, the metal net layer and the organic film layer wrapped outside the metal net layer jointly form the support film, and compared with the support film made of only organic materials, the support film has higher bending recovery capability, bending strength and deformation capability, and creep resistance at high temperature. And the metal net layer is added into the support film, so that the support property and the strength of the support film can be improved, and the support and the protection of the flexible substrate and the display element can be improved.
The metal mesh layer 1 may have various specific forms, and as shown in fig. 4, the metal mesh layer 1 may be provided as a three-dimensional metal mesh structure, and a hollow portion 3 is formed inside the three-dimensional metal mesh structure. The metal net layer 1 can be a three-dimensional metal net structure woven by metal wires, more pore-shaped hollow parts 3 are formed inside the metal net layer, and optimally, regular pores can be formed inside the metal net layer, so that the strength and the elastic restoring force of each part of the three-dimensional metal net structure are equal, and the stability of the structure is facilitated. The three-dimensional metal network structure can make metal mesh layer 1 have certain thickness, compares with the sheet metal of the same thickness, and the quality of three-dimensional metal network structure reduces, has stronger elasticity and deformability, can buckle along with flexible display panel, warp such as curl, and have the high strength and the high resilience performance of metal concurrently. The hollow-out portion 3 inside the three-dimensional metal structure is filled to organic rete 2, and three-dimensional metal network structure can have abundant area of contact with the organic material that forms organic rete 2, and three-dimensional metal network structure can provide the power that organic rete 2 resumes deformation, and organic rete 2 can improve holistic flexibility, and the flexible performance and the good bending recovery performance of supporting the membrane have reliably been promoted in both's abundant combinations.
The metal mesh layer 1 may have various specific forms, as shown in fig. 2 and 3, the metal mesh layer 1 may be a metal plate structure, and the metal plate structure is uniformly provided with the hollow portions 3. The metal mesh layer 1 may be configured as a two-dimensional planar structure in addition to the three-dimensional metal mesh structure, and the two-dimensional planar structure may reduce the thickness of the support film compared to the three-dimensional mesh structure. Specifically, as shown in fig. 1, the two-dimensional planar structure may be a two-dimensional metal network structure woven by metal wires, or, as shown in fig. 2, the two-dimensional planar structure may also be a metal plate structure, wherein the thickness of the metal plate may be set according to actual conditions, the middle of the metal plate structure is uniformly provided with the hollow portions 3, the hollow portions 3 may be in a circular hole shape, a square hole shape, or any other regular or irregular shape, no specific limitation is made here, the number and size of the hollow portions 3 may be determined according to actual conditions, and the plurality of hollow portions 3 are uniformly arranged, for example: a plurality of fretwork portions 3 can be and arrange for the matrix, and the fretwork portion 3 of evenly arranging can make the intensity and the crooked resilience force of each part of metal mesh layer 1 equal, and when display device received external shock, dispersion and buffering impact that a plurality of even fretwork portions 1 that set up can be even, the effect of playing protection flexible substrate 4 and display device that can be better. Because metal has higher intensity, sheet metal has the easy cracked problem of difficult buckling and buckling, through evenly set up a plurality of fretwork portions 3 on sheet metal, sheet metal's deformability can be improved, make sheet metal easily buckle, organic rete 2 wraps up in sheet metal's outside, and fill the fretwork portion 3 at sheet metal middle part, can make organic rete 2 and the effectual combination of metal mesh layer 1, make the support membrane that comprises organic rete 2 and metal mesh layer 1 possess flexible performance and good crooked recovery performance.
Specifically, as shown in fig. 5 and 6, the metal mesh layer 1 may be provided corresponding to the bendable region 5 of the flexible substrate 4. The metal mesh layer 1 is arranged to help improve the recovery capability of the support film after deformation, so that only a part of the metal mesh layer 1 can be arranged in the support film, specifically, the metal mesh layer 1 is arranged at a position corresponding to the bendable region 5 of the flexible substrate 4, that is, the bendable region of the support film is ensured to have high resilience, and the support film in the rest regions can be formed only by the organic film layer 2, so that only the protection and support effects on the flexible substrate 4 are achieved.
As shown in fig. 1, the metal mesh layer 1 may be provided in the entire support film, and in the portion corresponding to the bendable region 5 of the flexible substrate 4, the metal mesh layer 1 can improve the bending recovery performance of the support film, and the metal mesh layer 1 can mainly improve the problem of irreversible deformation of the organic film layer 2 under stress; the metal mesh layer 1 can improve the supporting strength of the supporting film at a portion corresponding to the non-bending region of the flexible substrate 4, and thus can improve the supporting and protecting effects of the supporting film on the flexible substrate 4.
Specifically, the metal net layer 1 may be made of a metal material having a predetermined elasticity; the organic film layer 2 is made of an organic material having a predetermined elasticity. Support membrane and 4 laminating of flexible base plate, and can be along with flexible base plate 4 together carry out deformation such as bending folding, curl, so metal mesh layer 1 and the organic rete 2 that constitute the support membrane all need have certain elasticity, and the metal mesh layer can select for use the better metal material of elasticity, for example: the metal net layer 1 made of metal materials with good elasticity such as high-elasticity steel, nickel, titanium, super-elastic alloy and the like can not influence the bending function of the flexible substrate 4; the organic film layer 2 may be made of an organic material having a predetermined elasticity, such as: PI, rubber, silica gel and other materials.
Example two
As shown in fig. 7, a second embodiment of the present invention provides a method for preparing a support film, including:
s1: manufacturing a metal mesh layer 1;
s2: an organic film layer 2 is formed outside the metal mesh layer 1 to form a support film.
Specifically, when the support film is manufactured, the metal mesh layer 1 inside the support film is firstly manufactured, when the metal mesh layer 1 is set to be in a mesh structure, the support film can be manufactured by metal pouring, forging, metal wire weaving and other methods, and the mesh structure with a plurality of hollow parts 3 distributed inside the mesh structure is formed, or when the metal mesh layer 1 is set to be in a metal plate structure, a metal plate with a preset thickness can be provided, and then a preset number of hollow parts 3 are uniformly processed on the metal plate, so that the metal mesh layer 1 with the preset number of hollow parts 3 can be bent and is not easy to break; after the metal mesh layer 1 is formed, an organic film layer 2 made of organic materials is wrapped outside the metal mesh layer 1 and can be manufactured by coating, injection molding and other methods.
The second embodiment of the invention provides a preparation method of a support film, which comprises the steps of firstly manufacturing a metal mesh layer, forming an organic film layer which fills a hollow part and wraps the metal mesh layer outside the metal mesh layer, wherein the support film has the common characteristics of metal and organic materials, the bending recovery capability of the support film can be improved through the metal mesh layer in the bending area of the support film, the flexibility and the bending capability of the support film are improved through the filling of the organic material in the hollow part of the metal mesh layer, the integral strength of the support film is improved, and the support and protection effects on a flexible panel can be effectively achieved.
Specifically, the manufacturing of the metal mesh layer 1 includes: providing a mould, and pouring molten metal into the mould to form a three-dimensional metal network structure; or, the three-dimensional metal network structure is formed by weaving metal wires.
When the metal mesh layer 1 is manufactured, the metal mesh layer 1 may have a three-dimensional metal mesh structure, and many hollow portions 3 are present inside the three-dimensional metal mesh structure, and when the metal mesh layer 1 provided as the three-dimensional metal mesh structure is manufactured, the metal mesh layer may be manufactured by various methods, for example: pouring molten metal into a mold through a preset mold, and forming a three-dimensional metal network structure; or, the three-dimensional structure can be formed by weaving a plurality of metal wires.
Specifically, the manufacturing of the metal mesh layer 1 includes: providing a metal plate, and uniformly processing the hollow parts 3 on the metal plate.
The metal mesh layer 1 can also be arranged in a two-dimensional plane structure, and the two-dimensional plane structure can reduce the thickness of the supporting film compared with a three-dimensional net structure. Specifically, the two-dimensional plane structure may be a metal plate structure, and first, a metal plate is provided, and the thickness of the metal plate may be set according to actual conditions, and the metal plate structure may be uniformly processed with the hollow portions 3, and the shape of the hollow portions 3 may be a circular hole shape, a square hole shape, or any other regular or irregular shape, where there is no specific limitation, and the plurality of hollow portions 3 are uniformly arranged, for example, may be arranged in a matrix.
Specifically, the formation of the organic film layer 2 outside the metal mesh layer 1 includes: and preparing a high-molecular organic material, coating the high-molecular organic material outside the metal mesh layer 1, and filling the hollow part 3 and wrapping the metal mesh layer 1.
When the organic film layer 2 is produced, first, a polymer organic material is prepared, and after the preparation, the metal mesh layer 1 is wrapped inside by a coating method or an injection molding method, and the hollow portion 3 inside the metal mesh layer 1 can be filled, so that the metal mesh layer 1 and the organic film layer 2 can be sufficiently contacted and bonded.
EXAMPLE III
An embodiment of the present invention provides a display device, including: the support film described above. The display device can be an electronic device with a flexible display screen, such as a mobile phone, a computer and the like in the prior art, the support film is applied and arranged on the back side of the flexible substrate 4 of the display device, and can support and protect the flexible substrate, and the support film formed by the metal mesh layer and the organic film layer can improve the bending recovery performance and the support strength of the support film, so that the support protection effect of the support film on the flexible substrate is improved.
In a third embodiment of the present invention, a support film formed by combining a metal mesh layer and an organic film layer is used, so that the bending recovery performance of the support film can be improved, and the effect of the support film on supporting and protecting the display panel of the display device can be improved.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (6)
1. A support film disposed on a backside of a flexible substrate, comprising:
the metal mesh layer is made of a metal material with preset elasticity, and the metal mesh layer is arranged corresponding to the bendable area of the flexible substrate;
the organic film layer is made of an organic material with preset elasticity, is used for wrapping the metal mesh layer and fills the hollow part in the middle of the metal mesh layer;
the metal mesh layer is of a three-dimensional metal mesh structure, the hollow parts are formed inside the three-dimensional metal mesh structure, or the metal mesh layer is of a metal plate structure, and the hollow parts are uniformly arranged on the metal plate structure.
2. A method for producing a support film according to claim 1, comprising:
manufacturing a metal mesh layer;
and manufacturing an organic film layer outside the metal mesh layer to form a support film.
3. The method for producing a support film according to claim 2,
the making metal mesh layer comprises:
providing a mold, and pouring molten metal into the mold to form a three-dimensional metal network structure; or the three-dimensional metal network structure is woven by metal wire materials.
4. The method for producing a support film according to claim 2,
the making metal mesh layer comprises:
providing a metal plate, and uniformly processing hollowed-out parts on the metal plate.
5. The method for producing a support film according to claim 2,
the organic film layer is manufactured outside the metal mesh layer and comprises:
and preparing a high-molecular organic material, coating the high-molecular organic material outside the metal mesh layer, and filling the hollow part and wrapping the metal mesh layer.
6. A display device comprising the support film according to claim 1.
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| CN201910280892.8A CN109980124B (en) | 2019-04-09 | 2019-04-09 | Support film, preparation method thereof and display device |
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| CN201910280892.8A CN109980124B (en) | 2019-04-09 | 2019-04-09 | Support film, preparation method thereof and display device |
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| CN109980124A CN109980124A (en) | 2019-07-05 |
| CN109980124B true CN109980124B (en) | 2022-12-06 |
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| KR20210041665A (en) * | 2019-10-07 | 2021-04-16 | 삼성디스플레이 주식회사 | Display device indluding module support and manufacturing method of module support |
| KR20210056484A (en) * | 2019-11-08 | 2021-05-20 | 삼성디스플레이 주식회사 | Foldable display device |
| CN110827693B (en) * | 2019-11-28 | 2022-01-25 | 昆山工研院新型平板显示技术中心有限公司 | Flexible and foldable display panel and flexible display terminal |
| CN113010027A (en) * | 2019-12-19 | 2021-06-22 | Oppo广东移动通信有限公司 | Flexible display screen assembly and electronic device |
| CN111091762B (en) * | 2020-01-08 | 2023-08-22 | 京东方科技集团股份有限公司 | Flexible display panel assembly and flexible display device |
| CN111799314B (en) * | 2020-07-20 | 2023-03-31 | 京东方科技集团股份有限公司 | Support piece of flexible display module, preparation method of support piece, flexible display module and display device |
| CN111834293B (en) * | 2020-07-29 | 2022-09-20 | 攀枝花美斯特光电科技有限公司 | A stretchable OLED panel and preparation method thereof |
| CN112037662B (en) * | 2020-09-24 | 2022-08-16 | 京东方科技集团股份有限公司 | Folding display support piece and display device |
| CN112133202B (en) * | 2020-10-16 | 2022-07-26 | 昆山工研院新型平板显示技术中心有限公司 | Flexible display panel and flexible display device |
| KR20220060605A (en) * | 2020-11-04 | 2022-05-12 | 삼성디스플레이 주식회사 | Display device |
| TWI779453B (en) | 2021-01-05 | 2022-10-01 | 元太科技工業股份有限公司 | Flexible display panel |
| CN114724455A (en) * | 2021-01-05 | 2022-07-08 | 元太科技工业股份有限公司 | flexible display panel |
| CN115128861A (en) * | 2021-03-29 | 2022-09-30 | 华为技术有限公司 | A composite layer, flexible display screen and terminal |
| US20240365653A1 (en) * | 2021-08-26 | 2024-10-31 | Google Llc | Hybrid mesh-based foldable display backing |
| CN114724465A (en) * | 2022-04-12 | 2022-07-08 | 武汉天马微电子有限公司 | Display screen and display device |
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| CN204144262U (en) * | 2014-10-29 | 2015-02-04 | 昆山工研院新型平板显示技术中心有限公司 | The flexible display that a kind of thermal diffusivity is good |
| CN106816460B (en) * | 2017-03-01 | 2020-04-24 | 上海天马微电子有限公司 | Flexible touch display panel and flexible touch display device |
| CN109256400B (en) * | 2018-11-16 | 2021-01-26 | 京东方科技集团股份有限公司 | Flexible display substrate, method for manufacturing the same, and display device |
| CN109360499B (en) * | 2018-12-17 | 2021-07-30 | 上海天马微电子有限公司 | Flexible display module and display device |
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