CN113054138A - Cover plate, manufacturing method thereof and display device - Google Patents
Cover plate, manufacturing method thereof and display device Download PDFInfo
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- CN113054138A CN113054138A CN202110273965.8A CN202110273965A CN113054138A CN 113054138 A CN113054138 A CN 113054138A CN 202110273965 A CN202110273965 A CN 202110273965A CN 113054138 A CN113054138 A CN 113054138A
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/38—Devices specially adapted for multicolour light emission comprising colour filters or colour changing media [CCM]
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/841—Self-supporting sealing arrangements
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- 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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Abstract
The embodiment of the invention discloses a cover plate, a preparation method thereof and a display device. According to the invention, by utilizing the filtering function of the filter film, blue-violet light in external light is prevented from passing through the cover plate and entering the OLED display panel, the risk that the blue light-emitting material is damaged due to the fact that the blue-violet light in the external light irradiates the blue light-emitting material of the OLED display panel is avoided, the blue light-emitting material is protected, the light-emitting quality of the OLED display panel is further protected, and the service life of the OLED display panel is prolonged.
Description
Technical Field
The invention relates to the field of display, in particular to a cover plate, a manufacturing method of the cover plate and a display device.
Background
An Organic Light-Emitting Diode (OLED) display panel mainly displays Light through an Organic Light-Emitting material therein, however, the Organic Light-Emitting material is sensitive to ultraviolet rays, and when the OLED display panel is exposed to an external Light environment for a long time, ultraviolet rays and part of blue Light in external Light may cause changes such as cracking of the Organic material, thereby changing the color of the display panel or reducing the service life of the display panel.
Disclosure of Invention
The embodiment of the invention provides a cover plate, a preparation method thereof and a display device, and can solve the problem that an organic light-emitting material of an existing OLED display panel is easily damaged by external light.
An embodiment of the present invention provides a cover plate, including:
a glass substrate;
and the filter film is arranged on the glass substrate and used for blocking the blue-violet light on the side of the glass substrate from passing through the cover plate.
Optionally, in some embodiments of the present invention, the filter is a unidirectional linear filter.
Optionally, in some embodiments of the present invention, the wavelength range of the light blocking film for blocking light is 300-440 nm.
Optionally, in some embodiments of the present invention, the thickness of the filter film is less than 5 μm.
Optionally, in some embodiments of the present invention, the material of the filter film includes any one or more of polyvinyl alcohol, cellulose triacetate, and polyimide film.
Correspondingly, the embodiment of the invention also provides a preparation method of the cover plate, which comprises the following steps:
providing a glass substrate;
and depositing a filter film on the glass substrate in a physical vapor deposition mode, or attaching the filter film on the glass substrate by adopting optical cement.
Correspondingly, an embodiment of the present invention further provides a display device, including:
an OLED display panel;
the polaroid is arranged on one side of the OLED display panel;
the cover plate is arranged on one side, far away from the OLED display panel, of the polarizer and comprises a glass substrate and a filter film, the filter film is located on the side, close to the OLED display panel, of the cover plate, and the filter film is used for preventing blue-violet light rays emitted by the side, close to the OLED display panel, of the glass substrate from entering the OLED display panel.
Correspondingly, an embodiment of the present invention further provides another display device, including:
an OLED display panel;
the polaroid is arranged on one side of the OLED display panel;
the cover plate is arranged on one side, far away from the OLED display panel, of the polarizer;
and the optical filter is arranged between the OLED display panel and the cover plate and used for blocking the blue-violet light emitted from the side of the cover plate from entering the OLED display panel.
Optionally, in some embodiments of the present invention, the filter is disposed between the cover plate and the polarizer.
Optionally, in some embodiments of the present invention, the filter is disposed between the OLED display panel and the polarizer.
The cover plate provided by the invention comprises a glass substrate and a filter film, wherein the filter film is arranged on the glass substrate and is used for preventing blue-violet light on the glass substrate side from passing through the cover plate. According to the invention, by utilizing the filtering function of the filter film, blue-violet light in external light is prevented from passing through the cover plate and entering the OLED display panel, the risk that the blue light-emitting material is damaged due to the fact that the blue-violet light in the external light irradiates the blue light-emitting material of the OLED display panel is avoided, the blue light-emitting material is protected, the light-emitting quality of the OLED display panel is further protected, and the service life of the OLED display panel is prolonged.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced 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 to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of a first structure of a cover plate according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a second structure of a cover plate according to an embodiment of the present invention;
FIG. 3 is a flow chart of a method for manufacturing a cover plate according to an embodiment of the present invention;
fig. 4 is an absorption spectrum diagram of a blue light emitting material of a display panel provided by an embodiment of the present invention;
FIG. 5 is a schematic diagram of a first structure of a display device according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a second structure of a display device according to an embodiment of the invention;
FIG. 7 is a schematic diagram of a third structure of a display device according to an embodiment of the invention;
fig. 8 is a schematic diagram illustrating a fourth structure of a display device according to an embodiment of the invention;
fig. 9 is a schematic diagram of a fifth structure of a display device according to an embodiment of the invention;
fig. 10 is a schematic diagram of a sixth structure of a display device according to an embodiment of the present invention.
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. Furthermore, it should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, and are not intended to limit the present invention. In the present invention, unless otherwise specified, the use of directional terms such as "upper" and "lower" generally means upper and lower in the actual use or operation of the device, particularly in the orientation of the figures of the drawings; while "inner" and "outer" are with respect to the outline of the device.
The embodiment of the invention provides a cover plate, a preparation method thereof and a display device, which are used for solving the problem that an organic light-emitting material of an existing OLED display panel is easily damaged by external light. The following are detailed below. It should be noted that the following description of the embodiments is not intended to limit the preferred order of the embodiments.
In an embodiment, please refer to fig. 1 and fig. 2, where fig. 1 and fig. 2 respectively show two schematic structural diagrams of a cover plate according to an embodiment of the present invention. As shown in the figure, the cover plate 100 provided by the embodiment of the invention includes a glass substrate 110 and a filter film 120, where the glass substrate 110 is a main structure of the cover plate 100, and is used to protect a display device covered by the cover plate 100 from being corroded by external water, oxygen, chemical substances, or the like, and at the same time, is used to protect the display device covered by the cover plate 100 from being damaged and damaged by external stress. The filter film 120 is formed on the glass substrate 110, specifically, the filter film 120 is disposed on a side of the glass substrate 110 close to the display device, the side being away from the external environment, and the filter film 120 may be deposited on the glass substrate by vacuum evaporation, magnetron sputtering, or the like, or may be attached to the glass substrate 110 by an optical adhesive in a film attaching manner.
In the cover plate 100 of the present invention, the filter film 120 is a unidirectional linear filter film for blocking the blue-violet light incident on the glass substrate 110 side from passing through the cover plate 100, but not blocking the light incident on the filter film 120 side.
In one embodiment, the wavelength range of the blue-violet light blocked by the filter film 120 is 300-440 nm.
In one embodiment, the thickness of the film filter 120 is less than 5 μm.
In one embodiment, the material of the filter film 120 includes one or more of polyvinyl alcohol (PVA), Triacetyl cellulose (TAC), Polyimide (PI), and the like.
In one embodiment, as shown in FIG. 1, the filter film 120 is disposed on the glass substrate 110 in a whole layer. In another embodiment, as shown in fig. 2, the filters 120 are spaced apart from each other on the glass substrate 110, and the sizes of the spaced apart filters are the same.
Correspondingly, the embodiment of the invention provides a method for preparing the cover plate, which is used for preparing the cover plate 100 provided by the embodiment of the invention. Referring to fig. 3, fig. 3 is a flowchart illustrating a method for manufacturing a cover plate according to an embodiment of the present invention, where the method for manufacturing a cover plate according to an embodiment of the present invention includes:
step S1, providing a glass substrate;
step S2, depositing a filter film on the glass substrate by physical vapor deposition, or adhering the filter film on the glass substrate by optical glue.
The physical vapor deposition method includes vacuum evaporation, magnetron sputtering and the like. The specific steps of depositing the filter film on the glass substrate by adopting a vacuum evaporation method comprise: putting the cleaned glass substrate into a vacuum evaporation chamber; the film filtering material is heated and evaporated, so that the evaporated molecules of the film filtering material are uniformly deposited on the glass substrate, and the film filtering material can be evaporated on the glass substrate in a whole surface manner or can be evaporated on the glass substrate at intervals in a local film forming manner by adopting a mask plate.
The method for depositing the filter film on the glass substrate by adopting the magnetron sputtering method comprises the following specific steps: putting the cleaned glass substrate into a magnetron sputtering chamber; the target material of the filter coating material is sputtered by ions, so that sputtered molecules of the filter coating material are uniformly deposited on the glass substrate, and the filter coating material can be evaporated on the glass substrate in a whole surface manner or can be evaporated on the glass substrate at intervals in a local film forming manner by adopting a mask plate.
If the filter film is a formed film, the filter film can be directly attached to the glass substrate by using an optical adhesive. The filter membrane can be a membrane with the size similar to that of the glass substrate, and is attached to the glass substrate through the whole surface of optical cement; the filter membranes can also be membranes with the size far smaller than that of the glass substrate, the filter membranes are attached to the glass substrate at intervals through optical cement, and the size and the shape of each filter membrane are the same.
Further, referring to fig. 5 and fig. 6, an embodiment of the present invention further provides a display device, where the display device 10 includes: a cover plate 100, a polarizer 200, and an OLED display panel 300.
The display panel 300 includes an array substrate 310, a light emitting function layer 320, and an encapsulation layer 330 disposed on the side of the light emitting function layer 320 remote from the array substrate. The light emitting function layer 320 includes a light emitting material layer, which includes a red light emitting material layer 321, a green light emitting material layer 322, and a blue light emitting material layer 323. The green light emitting material layer 321 and the green light emitting material layer 322 are generally phosphorescent light emitting materials, the blue light emitting material layer 323 is a fluorescent light emitting material, and the blue fluorescent light emitting material mainly includes aromatic hydrocarbons containing only carbon and hydrogen, aromatic amine compounds, organic boron, silicon, carbazole derivatives and other blue organic light emitting materials.
As shown in fig. 4, fig. 4 is a graph showing an absorption spectrum of a blue light emitting material of an OLED display panel according to an embodiment of the present invention. As shown in fig. 4, the blue light-emitting material mainly absorbs light with a wavelength range of 300-. Therefore, the problem that the external ultraviolet light and the low blue light damage the blue light-emitting material needs to be solved in the existing OLED display device.
The polarizer 200 is arranged on one side of the OLED display panel, and the polarizer 200 is a circular polarizer and is mainly used for reducing the reflection of metal materials in the OLED display panel to external light, improving the contrast of the OLED display panel and reducing the damage to human eyes caused by the reflection of the external light by the OLED.
The cover plate 100 is disposed on the polarizer 200 side away from the OLED display panel 300, and the cover plate 100 may be any one of the cover plate structures provided in the above embodiments of the present invention. The cover plate 100 includes a glass substrate 110 and a filter film 120, the glass substrate 110 is a main structure of the cover plate 100 and is used for protecting the polarizer 200 and the OLED display panel 300 from being corroded by external water, oxygen, chemical substances or the like, and simultaneously protecting the polarizer 200 and the OLED display panel 300 from being damaged and destroyed by external stress; the filter film 120 is formed on the glass substrate 110, specifically, the filter film 120 is disposed on a side of the glass substrate 110 close to the OLED display panel 300, and the filter film 120 may be deposited on the glass substrate by vacuum evaporation, magnetron sputtering, or the like, or may be attached to the glass substrate 110 by an optical adhesive in a film attaching manner. In the display device provided by the embodiment of the invention, the filter film 120 is a unidirectional linear filter film for blocking the blue-violet light incident from the glass substrate 110 side from entering the OLED display panel 300, but not blocking the light emitted from the OLED display panel 300 from exiting the display device 10.
According to the embodiment of the invention, the cover plate comprising the filter film is arranged in the display device, and the unidirectional linear filtering function of the filter film is utilized, so that blue-violet light in external light is prevented from passing through the cover plate and entering the OLED display panel, the risk that the blue luminescent material is damaged due to the fact that the blue-violet light in the external light irradiates the blue luminescent material of the OLED display panel is avoided, the blue luminescent material is protected, the luminescent quality of the OLED display panel is further protected, and the service life of the OLED display panel is prolonged.
In one embodiment, the wavelength range of the blue-violet light blocked by the filter film 120 is 300-440 nm. As shown in fig. 4, since the wavelength range of the blue light emitting material absorbing light is mainly 300-440 nm, the light in the wavelength range is mainly ultraviolet light and part of low blue light, and the blue light emitting material is sensitive to the part of ultraviolet light and the part of low blue light, when the blue light emitting material is irradiated by the ultraviolet light and the low blue light with the wavelength in the range of 300-440 nm for a long time, the blue light emitting material absorbs a large amount of ultraviolet light and the low blue light for a long time, and then the material itself is cracked and changed, so that the chemical properties of the blue light emitting material are changed, the blue light emitting material is damaged, and further the screen color of the OLED display panel is changed, and the service life of the OLED display panel is reduced. The wavelength range of the light blocked by the filter film 120 is set to be 300-440 nm, which just covers the wavelength range of the light absorbed by the blue light-emitting material, so that the filter film 120 can fully filter ultraviolet light and low blue light which are emitted into the OLED display panel from the outside and can damage the blue light-emitting material, thereby protecting the blue light-emitting material, protecting the light-emitting quality of the OLED display panel, and prolonging the service life of the OLED display panel.
In an embodiment, referring to fig. 5, fig. 5 is a schematic structural diagram illustrating a display device according to an embodiment of the invention. As shown in fig. 5, the entire surface of the filter film 120 is disposed on a side of the glass substrate 110 close to the OLED display panel 300. The entire layer of the filter film 120 is disposed on the glass substrate 110, so that the filter film 120 filters all the external light emitted into the OLED display panel 300 from the front surface, and prevents any ultraviolet light and low-blue light with the wavelength within the range of 300 and 440 nanometers from entering the OLED display panel, thereby protecting the blue light-emitting material in the OLED display panel, protecting the light-emitting quality of the OLED display panel, and prolonging the service life of the OLED display panel.
In another embodiment, as shown in fig. 6, fig. 6 is a schematic diagram illustrating a second structure of a display device according to an embodiment of the present invention. The filter film 120 is disposed at an interval on a side of the glass substrate 110 close to the OLED display panel 300, and corresponds to the blue light emitting material layer 323. In one embodiment, the orthographic projection of the filter 120 on the array substrate 310 covers the orthographic projection of the blue light emitting material layer 323 on the array substrate 310, further, the orthographic projection of the filter 120 on the array substrate 310 is larger than the orthographic projection of the blue light emitting material layer 323 on the array substrate 310, and further, the shape and the size of each filter 120 arranged at intervals are the same. Similar to the previous embodiment, the filter film 120 is disposed over the blue light emitting material layer 323 and covers the blue light emitting material layer 323, so as to effectively block the ultraviolet light and the low blue light with the wavelength within the range of 300-440 nm from the external light to irradiate the blue light emitting material, protect the blue light emitting material in the OLED display panel from cracking, protect the light emitting quality of the OLED display panel, and improve the service life of the OLED display panel. The filter films 120 are spaced apart from each other on the glass substrate 110, and the material cost of the filter films 120 is reduced.
In one embodiment, the thickness of the film filter 120 is less than 5 μm.
In one embodiment, the material of the filter film 120 includes one or more of polyvinyl alcohol (PVA), Triacetyl cellulose (TAC), Polyimide (PI), and the like.
Further, referring to fig. 7 to 10, another display device is provided in an embodiment of the present invention, where the display device 10 includes: a polarizer 200, an OLED display panel 300, a cover plate 400, and a filter 500.
The display panel 300 includes an array substrate 310, a light emitting function layer 320, and an encapsulation layer 330 disposed on the side of the light emitting function layer 320 remote from the array substrate. The light emitting function layer 320 includes a light emitting material layer, which includes a red light emitting material layer 321, a green light emitting material layer 322, and a blue light emitting material layer 323. The green light emitting material layer 321 and the green light emitting material layer 322 are generally phosphorescent light emitting materials, the blue light emitting material layer 323 is a fluorescent light emitting material, and the blue fluorescent light emitting material mainly includes aromatic hydrocarbons containing only carbon and hydrogen, aromatic amine compounds, organic boron, silicon, carbazole derivatives and other blue organic light emitting materials.
As shown in fig. 4, fig. 4 is a graph showing an absorption spectrum of a blue light emitting material of an OLED display panel according to an embodiment of the present invention. As shown in fig. 4, the blue light-emitting material mainly absorbs light with a wavelength range of 300-. Therefore, the problem that the external ultraviolet light and the low blue light damage the blue light-emitting material needs to be solved in the existing OLED display device.
The polarizer 200 is arranged on the light emitting side of the OLED display panel, and the polarizer 200 is a circular polarizer and is mainly used for reducing the reflection of metal materials in the OLED display panel to external light, improving the contrast of the OLED display panel and reducing the damage to human eyes caused by the reflection of the external light by the OLED.
The cover plate 100 is disposed on the side of the polarizer 200 away from the OLED display panel 300, and the cover plate 400 is generally a transparent glass substrate for protecting the polarizer 200 and the OLED display panel 300 from being corroded by external water, oxygen, or chemical substances, and protecting the polarizer 200 and the OLED display panel 300 from being damaged or destroyed by external stress.
The optical filter 500 is disposed between the OLED display panel 300 and the cover plate 400, and in the display device provided in the embodiment of the invention, the optical filter 500 is a unidirectional linear optical filter for blocking the blue-violet light incident from the side of the cover plate 400 from entering the OLED display panel 300, but not blocking the light emitted from the OLED display panel 300 from exiting the display device 10.
According to the embodiment of the invention, the filter is arranged in the display device, and the blue-violet light in the external light is prevented from entering the OLED display panel by utilizing the unidirectional linear filtering effect of the filter, so that the risk of damage to the blue light-emitting material caused by the fact that the blue-violet light in the external light irradiates the blue light-emitting material of the OLED display panel is avoided, the blue light-emitting material is protected, the light-emitting quality of the OLED display panel is further protected, and the service life of the OLED display panel is prolonged.
In one embodiment, the wavelength range of the blue-violet light blocked by the filter 500 is 300-440 nm. As shown in fig. 4, since the wavelength range of the blue light emitting material absorbing light is mainly 300-440 nm, the light in the wavelength range is mainly ultraviolet light and part of low blue light, and the blue light emitting material is sensitive to the part of ultraviolet light and the part of low blue light, when the blue light emitting material is irradiated by the ultraviolet light and the low blue light with the wavelength in the range of 300-440 nm for a long time, the blue light emitting material absorbs a large amount of ultraviolet light and the low blue light for a long time, and then the material itself is cracked and changed, so that the chemical properties of the blue light emitting material are changed, the blue light emitting material is damaged, and further the screen color of the OLED display panel is changed, and the service life of the OLED display panel is reduced. The wavelength range of the light blocked by the optical filter 500 is set to be 300-440 nm, and the wavelength range of the light absorbed by the blue light-emitting material is just covered, so that the optical filter 500 can fully filter ultraviolet light and low blue light which are emitted into the OLED display panel from the outside and can damage the blue light-emitting material, the blue light-emitting material is protected, the light-emitting quality of the OLED display panel is protected, and the service life of the OLED display panel is prolonged.
In an embodiment, as shown in fig. 7 and 8, the filter 500 is disposed between the cover 400 and the polarizer 200, and one surface of the filter 500 is attached to the cover 400, and the other surface is attached to the polarizer 200. In one embodiment, as shown in FIG. 7, the filter 500 is disposed between the cover 400 and the polarizer 200 over the entire surface. In another embodiment, as shown in FIG. 8, the filter 500 is disposed between the cover 400 and the polarizer 200 at an interval.
In one embodiment, as shown in fig. 9 and 10, the filter 500 is disposed between the polarizer 200 and the OLED display panel 300. The optical filter 500 may adopt transparent optical adhesive, one surface of which is attached to the OLED display panel 300, and the other surface of which is attached to the polarizer 200; the optical filter 500 may also be formed on the encapsulation layer 330 of the OLED display panel 300 by using a physical vapor deposition method, which includes vacuum evaporation, magnetron sputtering, and the like.
The above detailed description is provided for a cover plate, a manufacturing method thereof, and a display device according to embodiments of the present invention, and the principle and the implementation of the present invention are described herein by using specific examples, and the description of the above embodiments is only used to help understanding the method and the core concept of the present invention; meanwhile, for those skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A cover plate, comprising:
a glass substrate;
and the filter film is arranged on the glass substrate and used for blocking the blue-violet light on the side of the glass substrate from passing through the cover plate.
2. The cover sheet of claim 1 wherein the filter is a unidirectional linear filter.
3. The cover plate of claim 1, wherein the wavelength range of the light blocking film for blocking light is 300-440 nm.
4. The cover plate of claim 1, wherein the thickness of the filter film is less than 5 microns.
5. The cover sheet of claim 1 wherein the material of the filter film comprises any one or more of polyvinyl alcohol, cellulose triacetate, and a polyimide film.
6. A method of making a cover plate, comprising:
providing a glass substrate;
and depositing a filter film on the glass substrate in a physical vapor deposition mode, or attaching the filter film on the glass substrate by adopting optical cement.
7. A display device, comprising:
an OLED display panel;
the polaroid is arranged on one side of the OLED display panel;
the cover plate is arranged on one side, far away from the OLED display panel, of the polarizer and comprises a glass substrate and a filter film, the filter film is located on the side, close to the OLED display panel, of the cover plate, and the filter film is used for preventing blue-violet light rays emitted by the side, close to the OLED display panel, of the glass substrate from entering the OLED display panel.
8. A display device, comprising:
an OLED display panel;
the polaroid is arranged on one side of the OLED display panel;
the cover plate is arranged on one side, far away from the OLED display panel, of the polarizer;
and the optical filter is arranged between the OLED display panel and the cover plate and used for blocking the blue-violet light emitted from the side of the cover plate from entering the OLED display panel.
9. The display device according to claim 8, wherein the filter is disposed between the cover plate and the polarizer.
10. The display device according to claim 8, wherein the filter is disposed between the OLED display panel and the polarizer.
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| CN202110273965.8A CN113054138A (en) | 2021-03-15 | 2021-03-15 | Cover plate, manufacturing method thereof and display device |
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| CN202110273965.8A CN113054138A (en) | 2021-03-15 | 2021-03-15 | Cover plate, manufacturing method thereof and display device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113871547A (en) * | 2021-09-17 | 2021-12-31 | 武汉华星光电半导体显示技术有限公司 | Display panel and mobile terminal |
| CN114171705A (en) * | 2021-12-08 | 2022-03-11 | 武汉华星光电半导体显示技术有限公司 | OLED display panel and OLED display device |
| CN114578599A (en) * | 2022-03-24 | 2022-06-03 | 信利光电股份有限公司 | Display module assembly and attaching method thereof |
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