CN111128031A - Flexible display cover plate and repairing method thereof, flexible display module and display device - Google Patents
Flexible display cover plate and repairing method thereof, flexible display module and display device Download PDFInfo
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- CN111128031A CN111128031A CN202010043808.3A CN202010043808A CN111128031A CN 111128031 A CN111128031 A CN 111128031A CN 202010043808 A CN202010043808 A CN 202010043808A CN 111128031 A CN111128031 A CN 111128031A
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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
Abstract
The embodiment of the invention provides a flexible display cover plate, a repairing method thereof, a flexible display module and a display device, a bonding layer is arranged between the cover plate base layer and the hard coating, the material of the bonding layer comprises a first material, wherein the first material is transformed into a second material after treatment under preset conditions, the second material has less adhesiveness than the first material, when the flexible display cover is scratched or impacted by a falling object, even if the flexible display cover plate cracks or even the hard coating in the flexible display cover plate is damaged by external force, the treated bonding layer and the damaged hard coating can be directly stripped from the cover plate base layer, and then, the bonding layer and the hard coating are formed on the base layer of the cover plate again, so that a new flexible display cover plate is formed, the hard coating is reworked only, the cost is effectively reduced, and the recycling is realized.
Description
Technical Field
The invention relates to the technical field of display, in particular to a flexible display cover plate, a repairing method of the flexible display cover plate, a flexible display module and a display device.
Background
With the development of display technology, the application field of display devices is now very wide, and therefore, the requirements for various performances of the screen body are gradually increased. The flexible screen has characteristics such as can buckle, utilizes display device's flexibility, and people can buckle or fold display device to it is convenient to carry and use display device for people.
In the prior art, the flexible foldable module realizes a portable function due to thin thickness and soft texture, but the problems of module hardness and strength exist, for example, articles such as pencils or keys are scratched, or sharp articles fall down, so that the appearance of the surface is poor, and even abnormal display is caused.
Disclosure of Invention
In view of this, embodiments of the present invention provide a flexible display cover plate, a manufacturing method thereof, a display module and a display device, which solve the technical problem in the prior art that a flexible display module is easy to display abnormally when being scratched or dropped.
For the purpose of making the objects, technical means and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, 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 application.
According to an aspect of the present invention, an embodiment of the present invention provides a flexible display cover, including: a cover substrate; an adhesive layer disposed on one side of the cover substrate; the hard coating is arranged on one side, away from the cover plate base layer, of the bonding layer; wherein the material of the bonding layer comprises a first material, the first material is converted into a second material after being processed under a preset condition, and the adhesiveness of the second material is smaller than that of the first material.
In an embodiment of the present invention, the first material is a uv curable material.
In an embodiment of the invention, the first material is an acrylate ultraviolet photosensitive resin.
In an embodiment of the invention, the elastic modulus of the bonding layer is in a range of 20 to 50 Kpa.
In an embodiment of the invention, the thickness of the bonding layer is within a range of 2-5 um.
In an embodiment of the present invention, the material of the hard coating layer includes inorganic substances, wherein the inorganic substances include: silicon oxide, or silicon nitride, or a mixture of silicon oxide and silicon nitride.
As a second aspect of the present invention, an embodiment of the present invention provides a flexible display module, including the flexible display cover as described above.
As a third aspect of the present invention, an embodiment of the present invention provides a display device, including the flexible display module described above.
As a fourth aspect of the present invention, an embodiment of the present invention provides a method for repairing a flexible display cover, where the method is used to repair the flexible display cover, and includes: processing the bonding layer in the flexible display cover plate by adopting a preset condition; removing the treated bonding layer and the hard coating; preparing a bonding layer and a hard coating on one side of the cover plate base layer in sequence; wherein the material of the reconstituted tie layer comprises a first material that, after treatment under predetermined conditions, transforms into a second material having a lower adhesiveness than the first material.
In an embodiment of the invention, the predetermined condition is irradiation with ultraviolet light.
The flexible display cover plate provided by the embodiment of the invention is characterized in that a bonding layer is arranged between a cover plate base layer and a hard coating, the bonding layer is made of a first material, under a preset condition, the first material is converted into a second material with smaller adhesiveness than the first material, so that the adhesion between the processed bonding layer and the cover plate base layer is reduced, the processed bonding layer and the cover plate base layer can be separated, when the flexible display cover plate is scratched or impacted by a falling object, even if the flexible display cover plate has cracks or even the hard coating in the flexible display cover plate is damaged by an external force, the processed bonding layer and the damaged hard coating can be directly stripped from the cover plate base layer, then the bonding layer and the hard coating are formed on the cover plate base layer again, so that a new flexible display cover plate is formed, and only the hard coating is reworked, effectively reducing the cost and realizing the reutilization.
Drawings
Fig. 1 is a schematic structural diagram of a flexible display cover according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a flexible display module according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a flexible display module according to another embodiment of the present invention;
fig. 4 is a schematic structural diagram of a flexible display module according to another embodiment of the present invention;
fig. 5 is a schematic flow chart illustrating a repairing method of a flexible display cover according to an embodiment of the present invention.
Detailed Description
In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise. All directional indicators in the embodiments of the present application (such as upper, lower, left, right, front, rear, top, bottom … …) are only used to explain the relative positional relationship between the components, the movement, etc. in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Furthermore, reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
As described in the background art, the inventor has found that the problem is caused by the fact that the flexible display module in the prior art is prone to display an abnormal condition when being scratched or dropped, and the problem is generally solved by using a method of improving the hardness or strength of the flexible display cover plate in the flexible display module in the prior art to reduce the probability of displaying an abnormal condition when the flexible display module is scratched or dropped, and the core function of the flexible display cover plate is determined by a hard coating (i.e., hard coating, HC layer for short), if the thickness of the HC layer is simply increased, the entire structure is made to be harder, although the strength and hardness of the flexible display cover plate can be improved to reduce the abnormal condition when being scratched or dropped, the flexible display module is at risk of bending, and the HC layer also generates microcracks, especially for products that are bent outward, with the increase of the bending times or the service time, the HC layer is completely broken, so that the flexible display module is abnormal in display.
Based on the above, the invention provides a flexible display cover plate, wherein a bonding layer is arranged between a cover plate base layer and a hard coating, the bonding layer is made of a first material, wherein the first material is transformed into a second material after treatment under preset conditions, the second material having an adhesion less than that of the first material, thereby, the separation of the processed bonding layer from the cover substrate can be realized, when the flexible display cover is scratched or impacted by falling objects, even if the flexible display cover plate cracks or even the hard coating in the flexible display cover plate is damaged by external force, the treated bonding layer and the hard coating can be directly stripped from the base layer of the cover plate together, and then, the bonding layer and the hard coating are formed on the base layer of the cover plate again, so that a new flexible display cover plate is formed, the hard coating is reworked only, the cost is effectively reduced, and the recycling is realized.
Specifically, the present invention provides a flexible display cover plate, including: a cover substrate; the bonding layer is arranged on one side of the cover plate base layer; the hard coating is arranged on one side of the bonding layer, which is far away from the cover plate base layer; the material of the bonding layer comprises a first material, the first material is converted into a second material after being processed under preset conditions, and the adhesiveness of the second material is smaller than that of the first material.
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.
Fig. 1 shows a flexible display cover according to an embodiment of the present invention, which includes a cover substrate 1, an adhesive layer 2 disposed on one side of the cover substrate 1, and a hard coating layer 3 disposed on the adhesive layer 2 away from the cover substrate 1, wherein the adhesive layer 2 and the cover substrate 1 can be separated under a predetermined condition. In the flexible display cover plate provided by the embodiment of the invention, the bonding layer 2 is arranged between the cover plate base layer 1 and the hard coating 3, wherein the material of the bonding layer 2 comprises a first material, the first material is converted into a second material after being processed under the preset condition, and the adhesiveness of the second material is smaller than that of the first material, so that the adhesion between the processed bonding layer 2 and the cover plate base layer 1 is reduced, namely, the adhesion between the bonding layer 2 and the cover plate base layer 1 is reduced under the preset condition, so that the processed bonding layer 2 and the cover plate base layer 1 can be separated, when the flexible display cover plate is scratched or impacted by falling objects, even if the flexible display cover plate has cracks or even the hard coating 3 in the flexible display cover plate is damaged by external force, the processing under the preset condition can be firstly carried out, and the processed bonding layer 2 and the hard coating 3 are directly stripped from the cover plate base layer 1 together, and then, the bonding layer 2 and the hard coating 3 are formed on the cover plate base layer 1 again, so that a new flexible display cover plate is formed, and the hard coating 3 is reworked only, so that the cost is effectively reduced and the recycling is realized.
As to the preset conditions under which the bonding layer 2 and the cover substrate 1 can be separated, depending on the specific material of the bonding layer 2, for example, in an embodiment of the present invention, the first material of the bonding layer is an ultraviolet curable material, and the bonding layer can be irradiated with ultraviolet light to cure the ultraviolet curable material and convert the ultraviolet curable material into a cured material, and the adhesion of the ultraviolet curable material after curing is lower than that before curing, so that the adhesion between the cured material and the cover substrate 1 is reduced, and the adhesion between the processed bonding layer 2 and the cover substrate 1 is reduced, thereby separating the processed bonding layer and the cover substrate 1 can be achieved. When the flexible display cover plate is scratched or impacted by falling objects, even if the flexible display cover plate cracks or even the hard coating 3 in the flexible display cover plate is damaged by external force, the processed bonding layer and the hard coating 3 can be directly stripped from the cover plate base layer 1 together, and then the bonding layer and the hard coating 3 are formed on the cover plate base layer 1 again, so that a new flexible display cover plate is formed, the hard coating 3 is reworked only, the cost is effectively reduced, and the recycling is realized.
It should be understood that the first material may be other types of materials besides the uv curable material, as long as the first material can be converted into a second material having lower adhesiveness than the first material after being processed under the corresponding preset conditions with the first material, so that the adhesion between the processed adhesive layer 2 and the cover substrate 1 is reduced, and the processed adhesive layer 2 is separated from the cover substrate 1, thereby realizing the rework of the hard coating 3, and the embodiment of the present invention is not limited to the specific kind of the first material and the preset conditions.
When the flexible display module is scratched or impacted by a falling object, in order to increase the hardness or strength of the flexible display module, the thickness of the hard coating 3 in the flexible display cover plate is often increased, but when the thickness of the hard coating 3 is greater than 5um, because the hard coating 3 is brittle, when the flexible display module is bent or folded, the flexible display cover plate is easy to crack or even break, so that the flexible display module has a phenomenon of poor display, therefore, in an embodiment of the present invention, the elastic modulus of the bonding layer 2 is in a range of 20 to 50Kpa, and when the flexible display module is bent or folded, the bonding layer 2 having elasticity can release bending stress, so that the probability of cracking of the hard coating 3 under the action of the bending stress is reduced. According to the flexible display cover plate provided by the embodiment of the invention, when the thickness of the hard coating 3 is increased to 10-20 um, cracks can not be generated on the hard coating 3 in the flexible cover plate when the flexible display module is bent or folded, so that the hardness and strength of the flexible display module can be improved by increasing the thickness of the hard coating 3, the probability of cracks generated on the hard coating 3 in the flexible display cover plate when bending stress is applied can be reduced, and the overall performance of the whole flexible display module is improved.
Preferably, the elastic modulus of the adhesive layer 2 is 40 Kpa.
In an embodiment of the invention, the thickness of the bonding layer 2 is within a range of 2-5 um, so that the whole thickness of the flexible display cover plate is not too thick, and the due function of the bonding layer 2 can be achieved. The thickness of tie coat 2 is not independent, and the thickness of tie coat 2 matches with the thickness of hardcoat 3 and the thickness of apron layer for the bending stress when the flexible display apron not only can disperse to buckle reduces the fracture probability in bending zone, can also keep the whole thickness of flexible display apron not very big.
In an embodiment of the present invention, the first material includes an acrylate ultraviolet photosensitive resin, such as polymethyl methacrylate (PMMA), and the acrylate ultraviolet photosensitive resin has good transparency, stability and flexibility, so that when the flexible display module is bent or folded, the bonding layer 2 in the flexible display cover plate has flexibility, so as to release the bending stress, and reduce the probability of cracks generated by the hard coating 3 under the action of the bending stress.
In an embodiment of the present invention, the material of the hard coating 3 includes inorganic substances, wherein the inorganic substances include: silicon oxide, or silicon nitride, or a mixture of silicon oxide and silicon nitride. The hard coating 3 is mainly used for increasing the overall stiffness of the flexible display cover plate, and when the flexible display cover plate is impacted by falling balls or falling pens, the impact of the falling balls or the falling pens on a display device and flexible glass which are positioned under the flexible display cover plate can be reduced, so that the probability of quality problems of the flexible display screen body is reduced.
As another aspect of the present invention, an embodiment of the present invention provides a flexible display module, which includes a substrate 102, a display device layer 101, and a cover plate layer 100, which are stacked together, as shown in fig. 2. The display device layer 101 may be, for example, an OLED layer including a light emitting layer or the like. The structure of the cover layer 100 adopts the structure of the flexible display cover as described above. According to the flexible display module of the embodiment of the invention, in the flexible display module, the bonding layer 2 is arranged between the cover plate base layer 1 and the hard coating, the material of the bonding layer 2 comprises the first material, the first material is converted into the second material after being processed under the preset condition, the adhesiveness of the second material is smaller than that of the first material, namely, after being processed under the preset condition, the adhesive force of the bonding layer and the cover plate base layer 1 is reduced, so that the processed bonding layer and the cover plate base layer 1 can be separated, when the flexible display cover plate is scratched or impacted by a falling object, even if the flexible display cover plate has cracks and even the hard coating in the flexible display cover plate is damaged by external force, the processed bonding layer and the hard coating can be directly peeled off from the cover plate base layer 1 together, and then the bonding layer and the hard coating are formed again on the cover plate base layer 1, therefore, a new flexible display cover plate is formed, the hard coating is reworked only, the cost is effectively reduced, and the recycling is realized.
In an embodiment of the present invention, as shown in fig. 3, the display module includes a substrate 102, a light-emitting driving circuit layer 103, a display device layer 101, a touch layer 106, a polarizer 104, and a cover plate layer 100, which are sequentially stacked.
It should be understood that the display module may include other film layers besides the display device layer 101 and the cover plate layer 100, for example, the display module may have a structure as shown in fig. 3, and the embodiment of the present invention does not limit the types of the film layers included in the display module besides the display device layer 101 and the cover plate layer 100, as long as the display module can normally operate.
In an embodiment of the invention, as shown in fig. 4, the flexible display module further includes a first optically transparent adhesive layer 107 disposed between the polarizer 104 and the cover plate layer 100. Through setting up optics transparent adhesive layer between apron layer 100 and polaroid 104, when apron layer 100 received external force and assaulted, optics transparent adhesive also can absorb and release some external force to reduce the impact of external force to apron layer 100 and display device layer 101, further improve flexible display module's shock resistance, and then improved collapsible flexible display panel's shock resistance.
In an embodiment of the present invention, as shown in fig. 4, the flexible display module further includes a second optically transparent adhesive layer 108 disposed between the display device layer 101 and the touch layer 106, and when the cover plate layer 100 is impacted by an external force, the optically transparent adhesive layer can also absorb and release a part of the external force, so as to reduce the impact of the external force on the cover plate layer 100 and the display device layer 101, further improve the impact resistance of the flexible display module, and further improve the impact resistance of the foldable flexible display panel.
The optical transparent adhesive has the characteristics of colorless transparency, light transmittance of more than 90 percent, good bonding strength, capability of being cured at room temperature or middle temperature, small curing shrinkage and the like. Through setting up adjacent two-layer overburden of optics adhesive tape bonding, can realize the firm bonding between adjacent two-layer rete under the circumstances that does not influence flexible display module's display effect. Therefore, whether the optical transparent adhesive layer is arranged between the polarizer and the cover plate layer and between the touch layer and the display device layer or not can be selected according to practical application scenes, and the optical transparent adhesive layer can be arranged between the polarizer and the cover plate layer as described above, or the optical transparent adhesive layer is arranged between the touch layer and the display device layer, or the optical transparent adhesive layers are arranged between the polarizer and the cover plate layer and between the touch layer and the display device layer, so that the embodiment of the invention does not limit whether the optical transparent adhesive layer is arranged between the polarizer and the cover plate layer and between the touch layer and the display device layer or not.
As a third aspect of the present invention, an embodiment of the present invention further provides a display device, where the display device may be a terminal display device such as a mobile phone, a tablet, or a computer, and the display device includes the flexible display module described above. According to the display device of the embodiment of the invention, the bonding layer 2 is arranged between the cover plate base layer 1 and the hard coating, the material of the bonding layer 2 comprises the first material, the first material is converted into the second material after being processed under the preset condition, the adhesiveness of the second material is smaller than that of the first material, namely, after being processed under the preset condition, the adhesive force of the bonding layer and the cover plate base layer 1 is reduced, so that the processed bonding layer and the cover plate base layer 1 can be separated, when the flexible display cover plate is scratched or impacted by a falling object, even if the flexible display cover plate has cracks or even the hard coating in the flexible display cover plate is damaged by an external force, the processed bonding layer and the hard coating can be directly peeled off from the cover plate base layer 1 together, and then the bonding layer and the hard coating are formed again on the cover plate base layer 1, therefore, a new flexible display cover plate is formed, the hard coating is reworked only, the cost is effectively reduced, and the recycling is realized.
As a fourth aspect of the present invention, an embodiment of the present invention provides a method for repairing a flexible display cover, for repairing the flexible display cover, as shown in fig. 5, the method includes:
step S101: processing the bonding layer in the flexible display cover plate by adopting a preset condition;
step S102: removing the treated bonding layer and the hard coating; and
step S103: and preparing the bonding layer and the hard coating layer again on one side of the cover plate base layer in sequence. (ii) a
Wherein the material of the regenerated adhesive layer comprises a first material which is transformed into a second material after treatment under preset conditions, and the adhesiveness of the second material is smaller than that of the first material.
According to the preparation method of the flexible display cover plate provided by the embodiment of the invention, after the flexible display cover plate is treated under the preset condition, the adhesive force between the adhesive layer and the cover plate base layer is reduced, namely the adhesive force between the treated adhesive layer and the cover plate base layer 1 is reduced, so that the treated adhesive layer can be separated from the cover plate base layer 1, when the flexible display cover plate is scratched or impacted by falling objects, even if the flexible display cover plate has cracks or even a hard coating in the flexible display cover plate is damaged by external force, the treated adhesive layer and the hard coating can be directly stripped from the cover plate base layer 1, and then the adhesive layer and the hard coating are formed on the cover plate base layer 1 again, so that a new flexible display cover plate is formed, only the hard coating is reworked, the cost is effectively reduced, and the recycling is realized.
In an embodiment of the present invention, the predetermined condition includes irradiation with ultraviolet light. The material of the adhesive layer in the flexible display cover plate comprises a first material which can reduce the adhesion force with the cover plate base layer 1 after being irradiated by ultraviolet rays, so that the adhesive layer 2 and the cover plate base layer 1 can be separated under the condition of being irradiated by the ultraviolet rays. Under ultraviolet irradiation, the adhesive force between tie coat and the apron basic unit 1 reduces, thereby can realize separating this tie coat and apron basic unit 1, when the flexible display apron is being drawn or receive the junk and assault, even the flexible display apron crackle appears and when the stereoplasm coating 3 in the flexible display apron even received external force damage, can directly peel off from apron basic unit 1 the tie coat together with stereoplasm coating 3, then again form tie coat and stereoplasm coating 3 on apron basic unit 1, thereby form a new flexible display apron, only do over again to stereoplasm coating 3, effectively reduce the cost and realize recycling.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, so that any modifications, equivalents and the like included in the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A flexible display cover, comprising:
a cover substrate;
an adhesive layer disposed on one side of the cover substrate; and
the hard coating is arranged on one side, away from the cover plate base layer, of the bonding layer;
wherein the material of the bonding layer comprises a first material, the first material is converted into a second material after being processed under a preset condition, and the adhesiveness of the second material is smaller than that of the first material.
2. The flexible display cover of claim 1, wherein the first material is a uv curable material.
3. The flexible display cover of claim 2, wherein the first material is an acrylate based uv sensitive resin.
4. The flexible display cover according to claim 1, wherein the adhesive layer has an elastic modulus in the range of 20 to 50 Kpa.
5. The flexible display cover according to claim 1, wherein the thickness of the adhesive layer is in the range of 2-5 um.
6. The flexible display cover sheet of claim 1, wherein the material of the hard coat layer comprises inorganic substances, wherein the inorganic substances comprise: silicon oxide, or silicon nitride, or a mixture of silicon oxide and silicon nitride.
7. A flexible display module comprising the flexible display cover of any one of claims 1-6.
8. A display device comprising the flexible display module according to claim 7.
9. A method of repairing a flexible display cover according to any one of claims 1 to 6, comprising:
processing the bonding layer in the flexible display cover plate by adopting a preset condition;
removing the treated bonding layer and the hard coating; and
preparing a bonding layer and a hard coating on one side of the cover plate base layer in sequence;
wherein the material of the reconstituted tie layer comprises a first material that, after treatment under predetermined conditions, transforms into a second material having a lower adhesiveness than the first material.
10. The repair method according to claim 9, wherein the predetermined condition is irradiation with ultraviolet light.
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| CN202010043808.3A CN111128031A (en) | 2020-01-15 | 2020-01-15 | Flexible display cover plate and repairing method thereof, flexible display module and display device |
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| CN202010043808.3A CN111128031A (en) | 2020-01-15 | 2020-01-15 | Flexible display cover plate and repairing method thereof, flexible display module and display device |
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| CN111718660A (en) * | 2020-07-17 | 2020-09-29 | 武汉华星光电半导体显示技术有限公司 | Display module, preparation method thereof and method for improving adhesive force of optical transparent adhesive layer |
| CN111862808A (en) * | 2020-06-28 | 2020-10-30 | 京东方科技集团股份有限公司 | Display cover plate, preparation method thereof and flexible display device |
| CN112365805A (en) * | 2020-12-09 | 2021-02-12 | 合肥维信诺科技有限公司 | Manufacturing method of cover plate and display module |
| CN115050263A (en) * | 2022-06-15 | 2022-09-13 | 昆山国显光电有限公司 | Flexible cover plate, display panel and display device |
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| CN110475006A (en) * | 2019-07-31 | 2019-11-19 | 武汉华星光电半导体显示技术有限公司 | Flexible protective cover board and display device |
| CN110648593A (en) * | 2019-09-27 | 2020-01-03 | 昆山工研院新型平板显示技术中心有限公司 | Cover plate and display device |
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| CN111718660A (en) * | 2020-07-17 | 2020-09-29 | 武汉华星光电半导体显示技术有限公司 | Display module, preparation method thereof and method for improving adhesive force of optical transparent adhesive layer |
| CN112365805A (en) * | 2020-12-09 | 2021-02-12 | 合肥维信诺科技有限公司 | Manufacturing method of cover plate and display module |
| CN112365805B (en) * | 2020-12-09 | 2022-07-26 | 合肥维信诺科技有限公司 | Manufacturing method of cover plate and display module |
| CN115050263A (en) * | 2022-06-15 | 2022-09-13 | 昆山国显光电有限公司 | Flexible cover plate, display panel and display device |
| CN115050263B (en) * | 2022-06-15 | 2023-10-27 | 昆山国显光电有限公司 | Flexible cover plate, display panel and display device |
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