CN113296302A - Manufacturing method of flexible display screen and flexible display screen - Google Patents
Manufacturing method of flexible display screen and flexible display screen Download PDFInfo
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- CN113296302A CN113296302A CN202110373940.5A CN202110373940A CN113296302A CN 113296302 A CN113296302 A CN 113296302A CN 202110373940 A CN202110373940 A CN 202110373940A CN 113296302 A CN113296302 A CN 113296302A
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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
- G02F1/13—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 liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
-
- 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
- G02F1/13—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 liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133305—Flexible substrates, e.g. plastics, organic film
-
- 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
- G02F1/13—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 liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/13378—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation
- G02F1/133788—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation by light irradiation, e.g. linearly polarised light photo-polymerisation
-
- 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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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
Abstract
The invention relates to a manufacturing method of a flexible display screen, which comprises the following steps: uniformly coating a flexible substrate material on the surface of a rigid substrate, curing the coated flexible substrate material, manufacturing a display element layer on the flexible substrate material, separating the flexible substrate material from the rigid substrate, adhering a first ultrathin glass substrate at the separated rigid substrate position, curing, adhering the first ultrathin glass substrate with the flexible substrate material, and carrying out box-forming treatment on the flexible display. The scheme provided by the invention effectively solves or improves the technical problem that the substrate is marked to influence the watching of a user due to the long-time use or folding of the substrate made of the organic high polymer material, and reduces the cost.
Description
Technical Field
The invention relates to the technical field of flexible display screens, in particular to a manufacturing method of a flexible display screen and the flexible display screen.
Background
At present, the tide of flexible display is gradually prevalent, so that the display has more use scenes and forms, and the liquid crystal display screen in China has the capacity to become the largest in the world and has speaking right, but the liquid crystal display is limited by the traditional rigid structure and cannot be extended to the field of flexible display. Currently, the mainstream flexible display still belongs to the display of OLED or LED, and there has been an occurrence of olcd (organic Liquid Crystal display) in the past, which can be used to make flexible LCD, but the technology is still greatly different from the current LCD process technology, and at present, the flexible display all uses organic polymer material as the substrate, and the biggest problem is that the substrate will be marked to affect the view of the user when it is used or folded for a long time, so that it is a big problem in the present stage to solve the above problems.
Disclosure of Invention
The invention provides a manufacturing method of a flexible display screen and the flexible display screen, aiming at solving the problem that the user is influenced by the fact that the substrate is marked due to the fact that an organic high polymer material is adopted as the substrate to be used or folded for a long time in the prior art.
The technical scheme provided by the invention is as follows:
a method for manufacturing a flexible display screen comprises the following steps:
uniformly coating a flexible substrate material on the surface of a rigid substrate, curing the coated flexible substrate material,
fabricating a display element layer on the flexible substrate material, separating the flexible substrate material from the rigid substrate,
adhering a first ultrathin glass substrate to the separated rigid substrate position, solidifying the first ultrathin glass substrate to be adhered with the flexible substrate material,
and carrying out box processing on the flexible display.
Preferably, the coating comprises: slot coating or print coating, single or double layer.
Preferably, the curing comprises: heating or irradiating ultraviolet light.
Preferably, the wavelength of the ultraviolet light is 350nm-400 nm.
Preferably, the manufacturing of the display element layer on the flexible substrate material includes:
and manufacturing a thin film transistor and a color film layer on the upper surface of the flexible substrate material, and attaching a support film on the upper surfaces of the thin film transistor and the color film layer.
Preferably, after attaching the support film to the upper surfaces of the thin film transistor and the color film layer and before separating the flexible substrate material from the rigid substrate, the method further includes: and peeling the support film, and sequentially filling a liquid crystal layer and attaching a second ultrathin glass substrate at the peeling position.
Preferably, separating the flexible substrate material from the rigid substrate comprises:
and irradiating the space between the rigid substrate and the flexible substrate material by using laser, wherein the wavelength of the laser irradiation is in a range of 300-350nm, and the energy density is in a range of 200-300mJ/cm 2.
Preferably, after the filling of the liquid crystal layer and the attaching of the second ultra-thin glass substrate at the peeling position in sequence and before the cell forming process of the flexible display, the method further includes:
the upper surface and the lower surface of the first ultrathin glass substrate and the upper surface and the lower surface of the second ultrathin glass substrate are respectively attached with a first polaroid and a second polaroid, and the flexible backlight module is attached to the first polaroid, so that the whole display is flexible.
Preferably, the thickness of the first ultra-thin glass substrate and the second ultra-thin glass substrate is within 100 um.
Preferably, the rigid substrate is a glass substrate.
The invention also provides a flexible display screen which is manufactured according to the manufacturing method of the flexible display screen.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a method for manufacturing a flexible display screen, which comprises the following steps: uniformly coating a flexible substrate material on the surface of a rigid substrate, curing the coated flexible substrate material, manufacturing a display element layer on the flexible substrate material, separating the flexible substrate material from the rigid substrate, adhering a first ultrathin glass substrate at the separated rigid substrate position, curing, adhering the first ultrathin glass substrate with the flexible substrate material, and carrying out box-forming treatment on the flexible display. The technical scheme provided by the invention effectively solves or improves the technical problem that the substrate is marked to influence the watching of a user due to the long-time use or folding of the substrate made of the organic high polymer material, and reduces the cost.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic flow chart illustrating steps of a method for fabricating a flexible display according to the present invention;
FIG. 2 is a schematic diagram of an overall structure of a flexible display according to the present invention;
FIG. 3 is a schematic view of a lower portion of a flexible liquid crystal display panel according to the present invention;
FIG. 4 is a schematic view of a support film for the attachment process of the present invention;
FIG. 5 is a schematic view of a laser lift-off process of the present invention;
FIG. 6 is a schematic view of a glass substrate being peeled off according to the present invention;
FIG. 7 is a schematic view of a lower ultra-thin glass substrate attached according to the present invention;
FIG. 8 is a schematic view of a release support film according to the present invention;
FIG. 9 is a schematic view of the upper and lower portions of a flexible display panel according to the present invention;
FIG. 10 is a schematic view of the assembly of the flexible module of the present invention;
reference numerals:
1-a flexible display screen; 2-a flexible backlight module; 3-thin film transistor and color film layer; 4-a flexible substrate material; 5-lower glass substrate; 6-support the membrane; 7-a first ultra-thin glass substrate; 8-a liquid crystal layer; 9-a second ultra-thin glass substrate; 10-a second polarizer; 11-first polarizer.
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.
At present, the tide of flexible display is gradually prevailing, so that the display has more use scenes and forms, and the flexible display adopts organic high polymer materials as substrates, so that the biggest problem is that the substrates are marked to influence the watching of users due to long-time use or folding.
In order to solve the above problems, the present invention provides a method for manufacturing a flexible display panel and a flexible display panel, which are improved and changed by using the currently mainstream liquid crystal display production technology, so as to realize the manufacturing and design of the flexible liquid crystal display panel.
The glass used for screen production is alkali-free glass, and the ultrathin glass does not have the characteristic of being bendable if being made of alkali-free glass, so that the flexible liquid crystal display screen is required to be manufactured by a substrate transfer process.
The invention provides a flexible liquid crystal display, which enables a liquid crystal screen to be highly flexible, has the characteristic of low cost and solves the problem of monopoly flexible display of the existing OLED. Wherein the content of the first and second substances,
FIG. 1 is a schematic flow chart illustrating steps of a method for fabricating a flexible display according to the present invention; FIG. 2 is a schematic diagram of an overall structure of a flexible display according to the present invention; FIG. 3 is a schematic view of a lower portion of a flexible liquid crystal display panel according to the present invention; FIG. 4 is a schematic view of a support film for the attachment process of the present invention; FIG. 5 is a schematic view of a laser lift-off process of the present invention; FIG. 6 is a schematic view of a glass substrate being peeled off according to the present invention; FIG. 7 is a schematic view of a lower ultra-thin glass substrate attached according to the present invention; FIG. 8 is a schematic view of a release support film according to the present invention;
FIG. 9 is a schematic view of the upper and lower portions of a flexible display panel according to the present invention; FIG. 10 is a schematic view of the assembly of the flexible module of the present invention.
As shown in fig. 1 to 10, the present invention provides a method for manufacturing a flexible display screen, which comprises the following steps:
step S1 of uniformly coating a flexible substrate material 4 on the surface of a rigid substrate, and curing the coated flexible substrate material 4; wherein the content of the first and second substances,
the curing conditions were: the rigid substrate is a glass substrate, but is not limited thereto. The rigid substrate mainly provides a supporting function in the subsequent manufacturing process of the flexible substrate material 4 and the display element layer, so that the phenomena of crushing, wrinkling, deformation and the like of the flexible substrate material 4 are avoided.
Step S2, manufacturing a display element layer on the flexible substrate material 4, and separating the flexible substrate material 4 from the rigid substrate;
preferably, the flexible substrate material 4 is a transparent PI solution, and the thickness is in the range of 5-200 micrometers.
Step S3, adhering a first ultra-thin glass substrate to the separated rigid substrate and curing to adhere the first ultra-thin glass substrate to the flexible substrate 4.
Step S4, performing box processing on the flexible display. The manufacturing method of the invention effectively solves or improves the problem that the mark of the substrate will be generated to influence the watching of a user due to the long-time use or folding of the substrate made of the organic high molecular material to a certain extent, and reduces the cost.
In the present invention, the flexible substrate material 4 after being coated is cured by heating or ultraviolet light irradiation, and the method is not limited to the method of heating or ultraviolet light irradiation, and an adhesive may be coated on a rigid substrate to form an adhesive layer, and the adhesive of the adhesive layer may include polyurethane;
in addition, the bonding layer may be a sacrificial layer including: water molecules, alcohol bonds, polyvinyl alcohol, cyanoacrylic acetic acid, sodium stearate, and the like. The sacrificial layer is solid-liquid state flowable jelly in a conventional state, and can volatilize into a gas state under a reduced pressure condition; specifically, the sacrificial layer may be:
slit die coating, needle tube coating or print coating, the number of layers of coating including: a single layer or a double layer. When the slit extrusion coating method is adopted, the sacrificial layer should be uniformly coated on the surface of the rigid substrate. Similarly, when the sacrificial layer is formed by a needle-tube coating method, the sacrificial layer should be uniformly distributed on the surface of the rigid substrate.
Preferably, the sacrificial layer can also be an azobenzene polymer;
the azobenzene polymer comprises a high-temperature-resistant group, the high-temperature-resistant group is one or a combination of a side chain group, a charged group and a monomer group containing a sulfonic group, and the azobenzene polymer material is polyimide;
further, in step S2, fabricating a display element layer on the flexible substrate material 4 includes:
a thin film transistor and a color film layer 3 are formed on the upper surface of the flexible substrate material 4, and a support film 6 is attached to the upper surface of the thin film transistor and the color film layer 3, but the invention is not limited thereto. The fabrication of the thin film transistor and the color film layer 3 is well known in the art and will not be described herein.
The material of the thin film transistor is at least one of a-Si, LTPS, a-IGZO, LTPO or Organic. And, stick to the support membrane 6 on the said thin-film transistor and color film layer 3 upper surface, the said support membrane 6 that sticks to adopts low-viscosity, electrostatic adsorption or heat to reduce the viscous membrane, its main use lies in the process after taking off the glass substrate excessively supports the membrane 6.
In addition, the separating the flexible substrate material 4 from the rigid substrate in step S2 includes:
and irradiating the space between the rigid substrate and the flexible substrate material 4 by using laser to separate the flexible substrate material 4 from the rigid substrate, wherein the wavelength interval of laser irradiation is 300-350nm, the energy density interval is 200-300mJ/cm2, and the time depends on the energy density and the beam width.
If the flexible substrate adopts a bonding or sacrificial layer mode, the flexible substrate and the rigid substrate are peeled mainly by heating or irradiating ultraviolet light to enable the adhesive to lose the bonding characteristic, and then the flexible substrate can be directly taken down.
Preferably, in step S2, it should be noted that the flexible display panel 1 can be easily detached from the rigid substrate, so that the flexible display panel 1 is not damaged.
Specifically, the substrate for manufacturing the flexible display panel 1 is sent to a sealing reaction device, wherein the sealing reaction device has only to have a function of adjusting the pressure in the sealing reaction device, and other parameters and structures are not limited. In the preferred embodiment, the sacrificial layer is volatilized by laser irradiation, wherein the pressure in the sealing device can be adjusted according to specific environments until the sacrificial layer is completely volatilized into gas, and at the moment, the rigid substrate and the flexible substrate material 4 are in direct contact without viscosity or medium, so that the separation purpose is achieved.
The sacrificial layer can be completely volatilized when the pressure intensity is reduced, the process is simple and effective, no foreign impurities are added in the volatilization process, and no residue of the sacrificial layer exists, so that the unclean stripping phenomenon can be effectively avoided, and the rigid substrate can be automatically and cleanly stripped. In addition, the flexible substrate 4 and the display element layer are not damaged by reducing the pressure volatilization sacrificial layer, so that the influence of rigid substrate stripping on the performance of the flexible substrate and the display element layer is effectively avoided, and particularly, the electrical property of the display element layer is not influenced in the stripping process, so that the flexible display with high quality is favorably manufactured.
Further, after attaching the support film 6 on the upper surface of the thin film transistor and the color film layer 3, and before separating the flexible substrate material 4 from the rigid substrate, the method further includes: and stripping the support film 6, and sequentially filling a liquid crystal layer 8 and attaching a second ultrathin glass substrate 9 at the stripping position.
Further, after filling the liquid crystal layer 8 and attaching the second ultra-thin glass substrate 9 at the peeling position in sequence, and before performing a cell forming process on the flexible display, the method further includes:
the upper surface and the lower surface of the first ultrathin glass substrate 7 and the second ultrathin glass substrate 9 are respectively attached with a first polaroid 11 and a second polaroid 10, and the flexible backlight module 2 is attached to the first polaroid 11, so that the whole display has flexibility.
Furthermore, the thickness of the first ultrathin glass substrate 7 and the second ultrathin glass substrate 9 is within 100um, and the first ultrathin glass substrate and the second ultrathin glass substrate need to be firstly subjected to toughening treatment, so that splitting in process engineering is avoided, temporary process films can be pasted on the outer sides of the first ultrathin glass substrate and the second ultrathin glass substrate in the process, protection is carried out, and the first ultrathin glass substrate and the second ultrathin glass substrate are taken off before being pasted.
The invention also provides a flexible display screen which is manufactured according to the manufacturing method of the flexible display screen.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Finally, it should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention, and those skilled in the art will appreciate that various modifications and changes can be made to the present invention. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present invention is included in the scope of the claims of the present invention filed as filed.
Claims (11)
1. A manufacturing method of a flexible display screen is characterized by comprising the following steps:
uniformly coating a flexible substrate material on the surface of a rigid substrate, curing the coated flexible substrate material,
fabricating a display element layer on the flexible substrate material, separating the flexible substrate material from the rigid substrate,
adhering a first ultrathin glass substrate to the separated rigid substrate position, solidifying the first ultrathin glass substrate to be adhered with the flexible substrate material,
and carrying out box processing on the flexible display.
2. The method of manufacturing of claim 1, wherein the coating comprises: slot coating or print coating, single or double layer.
3. The production method according to claim 1 or 2, wherein the curing includes: heating or irradiating ultraviolet light.
4. The method of claim 3, wherein the wavelength of the ultraviolet light is in the range of 350nm to 400 nm.
5. The method of claim 1, wherein the fabricating a display element layer on the flexible substrate material comprises:
and manufacturing a thin film transistor and a color film layer on the upper surface of the flexible substrate material, and attaching a support film on the upper surfaces of the thin film transistor and the color film layer.
6. The method as claimed in claim 5, further comprising, after attaching a support film on the upper surfaces of the thin film transistor and the color film layer and before separating the flexible substrate material from the rigid substrate: and peeling the support film, and sequentially filling a liquid crystal layer and attaching a second ultrathin glass substrate at the peeling position.
7. The method of manufacturing of claim 1, wherein separating the flexible substrate material from the rigid substrate comprises:
and irradiating the space between the rigid substrate and the flexible substrate material by using laser, wherein the wavelength of the laser irradiation is in a range of 300-350nm, and the energy density is in a range of 200-300mJ/cm 2.
8. The method according to claim 6, wherein after the steps of filling the liquid crystal layer and attaching the second ultra-thin glass substrate at the peeling position, and before the step of performing a cell-forming process on the flexible display, the method further comprises:
the upper surface and the lower surface of the first ultrathin glass substrate and the upper surface and the lower surface of the second ultrathin glass substrate are respectively attached with a first polaroid and a second polaroid, and the flexible backlight module is attached to the first polaroid, so that the whole display is flexible.
9. The method of claim 8, wherein the first and second ultra-thin glass substrates are within 100um thick.
10. The method of manufacturing according to claim 1, wherein the rigid substrate is a glass substrate.
11. A flexible display screen, characterized in that it is manufactured according to the method of manufacturing a flexible display screen according to any one of claims 1-10.
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| CN202110373940.5A CN113296302A (en) | 2021-04-07 | 2021-04-07 | Manufacturing method of flexible display screen and flexible display screen |
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| CN202110373940.5A CN113296302A (en) | 2021-04-07 | 2021-04-07 | Manufacturing method of flexible display screen and flexible display screen |
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| CN101785086A (en) * | 2007-09-20 | 2010-07-21 | 夏普株式会社 | Display device manufacturing method and laminated structure |
| CN102769109A (en) * | 2012-07-05 | 2012-11-07 | 青岛海信电器股份有限公司 | Method for manufacturing flexible display and substrate for manufacturing flexible display |
| CN105226186A (en) * | 2015-10-10 | 2016-01-06 | 深圳市华星光电技术有限公司 | The manufacture method of flexible display apparatus and obtained flexible display apparatus |
| CN107565064A (en) * | 2017-07-28 | 2018-01-09 | 武汉华星光电半导体显示技术有限公司 | The preparation method of flexible display and the substrate for making flexible display |
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2021
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