CN113663889B - Manufacturing method of anti-dazzle coating, display panel and electronic equipment - Google Patents
Manufacturing method of anti-dazzle coating, display panel and electronic equipment Download PDFInfo
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- CN113663889B CN113663889B CN202110938337.7A CN202110938337A CN113663889B CN 113663889 B CN113663889 B CN 113663889B CN 202110938337 A CN202110938337 A CN 202110938337A CN 113663889 B CN113663889 B CN 113663889B
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- coating
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
- B05D5/061—Special surface effect
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment
- B05D1/38—Successively applying liquids or other fluent materials, e.g. without intermediate treatment with intermediate treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/52—Two layers
- B05D7/54—No clear coat specified
- B05D7/546—No clear coat specified each layer being cured, at least partially, separately
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a manufacturing method of an anti-dazzle coating, a display panel and electronic equipment, wherein the manufacturing method of the anti-dazzle coating comprises the steps of spraying a first coating on the surface of a cover plate and heating the cover plate to a first temperature; curing the first coating; spraying a second coating on the surface of the first coating, and heating the cover plate to a second temperature, wherein the second temperature is lower than the first temperature; curing the second coating. The anti-dazzle coating is sprayed on two layers, the temperature of the cover plate is higher than that of the second coating when the first coating is sprayed, the haze of the first coating is high, the surface roughness is high when the temperature is high, the roughness of the second coating is low when the second coating is sprayed, and the two layers of coatings are overlapped, so that the light scattering is enhanced, the haze is increased, and the haze is increased while the roughness is reduced.
Description
Technical Field
The present invention relates to the field of display panels, and in particular, to a method for manufacturing an anti-glare coating, a display panel, and an electronic device.
Background
"glare" is a poor lighting phenomenon that occurs when the brightness of the light source is extremely high or the difference in brightness between the background and the center of the field of view is large. The phenomenon of "glare" affects not only viewing, but also vision health. Therefore, the surface of the cover plate of many display screens needs anti-glare treatment, and the evaluation indexes of anti-glare generally include haze, surface roughness and the like. Generally, for the same anti-glare coating material, under certain process conditions: the surface roughness decreases and the haze also decreases. As some in-vehicle items require higher haze, but at the same time require reduced surface roughness to achieve a certain hand, it has been difficult to balance both haze and roughness.
In view of this, there is an urgent need for improvement of the anti-glare coating of the existing display screen cover plate to achieve the effects of high haze and low roughness.
Disclosure of Invention
The invention discloses a manufacturing method of an anti-dazzle coating, a display panel and electronic equipment, which are used for solving the problem that in the prior art, the haze and roughness of the anti-dazzle coating of a display screen cover plate are difficult to balance.
In order to solve the problems, the invention adopts the following technical scheme:
there is provided a method for manufacturing an antiglare coating, comprising,
spraying a first coating on the surface of the cover plate, and heating the cover plate to a first temperature;
curing the first coating;
spraying a second coating on the surface of the first coating, and heating the cover plate to a second temperature, wherein the second temperature is lower than the first temperature;
curing the second coating.
In the above scheme, the first temperature is 100 ℃ to 120 ℃.
In the above scheme, the second temperature is 60 ℃ to 80 ℃.
In the scheme, the curing temperature of the first coating is 150-200 ℃, the curing time is 50-70 min, and the curing temperature of the second coating is 150-200 ℃ and the curing time is 50-70 min.
In the above scheme, the curing temperature of the first coating layer is 180 ℃, the curing time is 60min, and the curing temperature of the second coating layer is 180 ℃ and the curing time is 60min.
In the above scheme, the thickness of the first coating layer is: 200-400 nm, wherein the thickness of the second coating is as follows: 150-350 nm.
In the above scheme, the first coating and the second coating are sol and are made of one or more of ethyl orthosilicate, methanol, ethanol, isopropanol, isopropyl acetate, propylene glycol methyl ether and propylene glycol methyl ether acetate.
In the above scheme, the roughness of the second coating layer is smaller than that of the first coating layer.
The invention also provides a display panel, which comprises the anti-dazzle cover plate manufactured by the manufacturing method of the anti-dazzle coating.
The invention also provides electronic equipment, which comprises the anti-dazzle cover plate manufactured by the manufacturing method of the anti-dazzle coating in any one of the schemes and/or the display panel in the scheme.
The technical scheme adopted by the invention can achieve the following beneficial effects:
the anti-glare coating is sprayed on two layers, the temperature of the cover plate is higher than that of the second coating when the first coating is sprayed on, the haze of the first coating is high, the surface roughness is high when the temperature is high, the temperature of the cover plate is low, the roughness of the second coating is low when the second coating is sprayed on, and the two layers of coatings are overlapped to enhance light scattering, so that the haze is increased, and the haze is increased while the roughness is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments are briefly described below to form a part of the present invention, and the exemplary embodiments of the present invention and the description thereof illustrate the present invention and do not constitute undue limitations of the present invention. In the drawings:
FIG. 1 is a flow chart of a method for producing an antiglare coating according to example 1 of the present invention;
FIG. 2 is a schematic diagram of the method for producing an anti-glare coating according to example 1 of the present invention after spraying a first coating on a cover plate;
fig. 3 is a schematic diagram of a cover plate of the method for manufacturing an anti-glare coating according to example 1 of the present invention, in which a second coating is sprayed on a first coating.
The method specifically comprises the following reference numerals:
a cover plate-10; a first coating layer-20; and a second coating layer-21.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments of the present invention and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1 to 3, the method for manufacturing an anti-glare coating according to the present invention includes,
spraying a first coating 20 on the surface of the cover plate 10, and heating the cover plate 10 to a first temperature;
curing the first coating 20;
spraying a second coating 21 on the surface of the first coating 20, and heating the cover plate 10 to a second temperature, wherein the second temperature is lower than the first temperature;
the second coating 21 is cured.
According to the invention, two layers of anti-dazzle coatings are sprayed, the temperature is higher when the first coating 20 is sprayed, the solvent evaporates faster, the solid content in the liquid drops is in a standing ellipse shape, the first coating 20 has more gaps, strong scattering, high haze and high surface roughness; the second coating 21 is sprayed at a lower temperature, the solvent evaporates slowly, the solid content in the liquid drops is in a shape of an oval spreading, the second coating 21 has less gaps and low surface roughness, and the superposition of the two coatings can increase the scattering of light in the coatings, so that the haze is increased.
In this embodiment, the first temperature is preferably 100℃to 120 ℃. The second temperature is 60-80 ℃.
The curing temperature of the first coating 20 is 150-200 ℃ and the curing time is 50-70 min. In this example, the curing temperature is preferably 180℃and the curing time is preferably 60 minutes.
The curing temperature of the second coating 21 is 150-200 ℃ and the curing time is 50-70 min. In this embodiment, the curing temperature of the second coating layer 21 is preferably 180℃and the curing time is preferably 60 minutes.
The roughness of the second coating 21 is less than that of the first coating 20. Since the gaps between the molecules of the second coating layer 21 are smaller than those between the molecules of the first coating layer 20, the surface of the second coating layer-sprayed cover plate is smoother.
The thickness of the first coating layer 20 is preferably: 200-400 nm, the thickness of the second coating 21 is: 150-350 nm.
In this embodiment, the first coating 20 and the second coating 21 are preferably sol, and are made of one or more of ethyl orthosilicate, methanol, ethanol, isopropanol, isopropyl acetate, propylene glycol methyl ether, and propylene glycol methyl ether acetate.
Example 2
The invention also provides a display panel, which comprises the anti-dazzle cover plate manufactured by the manufacturing method of the anti-dazzle coating in the embodiment 1. The anti-dazzle layer of the cover plate has the characteristics of high haze and low roughness, so that the anti-dazzle display panel has good anti-dazzle effect, smooth handfeel and improved use comfort.
Example 3
The invention also provides electronic equipment, which comprises the anti-dazzle cover plate manufactured by the manufacturing method of the anti-dazzle coating in the embodiment 1 and/or the display panel in the embodiment 2. The electronic equipment has the advantages that due to the fact that the display screen is high in haze and low in roughness, the anti-dazzle effect is good in use, the whole touch feeling of the screen is smoother, the use comfort level is improved, and the touch feeling comfort level of the appearance is improved.
The anti-dazzle coating is sprayed on two layers, the temperature of the cover plate is higher than that of the second coating when the first coating is sprayed, the haze of the first coating is high, the surface roughness is high when the temperature is high, the roughness of the second coating is low when the second coating is sprayed, and the two layers of coatings are overlapped, so that the light scattering is enhanced, the haze is increased, and the haze is increased while the roughness is reduced.
The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the claims, which are to be protected by the present invention.
Claims (5)
1. A method for manufacturing an anti-dazzle coating is characterized by comprising the following steps of,
spraying a first coating on the surface of the cover plate, and heating the cover plate to a first temperature;
curing the first coating at 150-200 ℃ for 50-70 min;
spraying a second coating on the surface of the first coating, and heating the cover plate to a second temperature, wherein the second temperature is lower than the first temperature;
curing the second coating at 150-200 ℃ for 50-70 min;
the first temperature is 100-120 ℃;
the second temperature is 60-80 ℃;
the first coating and the second coating are sol and are prepared from tetraethoxysilane and one or more of methanol, ethanol, isopropanol, isopropyl acetate, propylene glycol methyl ether and propylene glycol methyl ether acetate;
the roughness of the second coating is less than the roughness of the first coating.
2. The method of manufacturing an antiglare coating according to claim 1, wherein the first coating has a curing temperature of 180 ℃ and a curing time of 60 minutes, and the second coating has a curing temperature of 180 ℃ and a curing time of 60 minutes.
3. The method for producing an antiglare coating according to claim 1, wherein the thickness of the first coating is: 200-400 nm, wherein the thickness of the second coating is as follows: 150-350 nm.
4. A display panel comprising an antiglare cover plate made by the method for making an antiglare coating according to any one of claims 1 to 3.
5. An electronic device comprising an antiglare cover sheet produced by the method for producing an antiglare coating according to any one of claims 1 to 3 and/or the display panel according to claim 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110938337.7A CN113663889B (en) | 2021-08-16 | 2021-08-16 | Manufacturing method of anti-dazzle coating, display panel and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110938337.7A CN113663889B (en) | 2021-08-16 | 2021-08-16 | Manufacturing method of anti-dazzle coating, display panel and electronic equipment |
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| Publication Number | Publication Date |
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| CN113663889A CN113663889A (en) | 2021-11-19 |
| CN113663889B true CN113663889B (en) | 2023-07-28 |
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| CN202110938337.7A Active CN113663889B (en) | 2021-08-16 | 2021-08-16 | Manufacturing method of anti-dazzle coating, display panel and electronic equipment |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110862235A (en) * | 2019-08-29 | 2020-03-06 | 信利光电股份有限公司 | 2.5D anti-glare anti-reflection cover plate and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5100226B2 (en) * | 2007-07-12 | 2012-12-19 | 富士フイルム株式会社 | Antireflection film manufacturing method and antireflection film |
| US20110151222A1 (en) * | 2009-12-22 | 2011-06-23 | Agc Flat Glass North America, Inc. | Anti-reflective coatings and methods of making the same |
| WO2016086082A1 (en) * | 2014-11-25 | 2016-06-02 | Ppg Industries Ohio, Inc. | Curable film-forming sol-gel compositions and anti-glare coated articles formed from them |
| CN109422465A (en) * | 2017-08-25 | 2019-03-05 | 华创喷墨科技有限公司 | Anti-glare glass forming method and its product |
| CN109467319B (en) * | 2018-12-29 | 2021-07-23 | 浙江星星科技股份有限公司 | Preparation method for forming AG film layer by spraying |
| CN110615622A (en) * | 2019-08-29 | 2019-12-27 | 珠海北玻电子玻璃有限公司 | Preparation method of smooth AG glass and smooth AG glass |
| CN111100314B (en) * | 2019-12-19 | 2022-05-03 | 合肥乐凯科技产业有限公司 | Preparation method of anti-glare hardened film for polarizer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110862235A (en) * | 2019-08-29 | 2020-03-06 | 信利光电股份有限公司 | 2.5D anti-glare anti-reflection cover plate and manufacturing method thereof |
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