CN110895426A - 3D glass cover plate and manufacturing method thereof - Google Patents
3D glass cover plate and manufacturing method thereof Download PDFInfo
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- CN110895426A CN110895426A CN201910939616.8A CN201910939616A CN110895426A CN 110895426 A CN110895426 A CN 110895426A CN 201910939616 A CN201910939616 A CN 201910939616A CN 110895426 A CN110895426 A CN 110895426A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
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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
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- General Engineering & Computer Science (AREA)
- Surface Treatment Of Glass (AREA)
- Laminated Bodies (AREA)
Abstract
The invention provides a 3D glass cover plate applied to the technical field of electronic product screens, and also relates to a method for manufacturing the 3D glass cover plate, which comprises an ultrathin glass layer (1), an OCA connecting layer (2) and 3D curved substrate glass (3), wherein the OCA connecting layer (2) is positioned between the ultrathin glass layer (1) and the 3D curved substrate glass (3), the ultrathin glass layer (1) comprises a glass layer body (4) and an optical functional film and color ink layer (5), the optical functional film and color ink layer (5) is arranged between the glass layer body (4) and the OCA connecting layer (2), and the OCA connecting layer (2) is arranged between the optical functional film and color ink layer (5) and the 3D curved substrate glass (3). The method has the advantages of physical property and optical property, reduces the process difficulty, reduces the equipment investment, and improves the product yield and the production efficiency.
Description
Technical Field
The invention belongs to the technical field of screens of electronic products, and particularly relates to a 3D glass cover plate and a manufacturing method of the 3D glass cover plate.
Background
With the development of electronic device technology, curved screens are gradually and widely used, and especially with the deep popularization of 5G technology and wireless charging, the modeling design of the glass cover plate of the display device is gradually developed from a 2D/2.5D cover plate to a 3D cover plate. The 3D glass cover plate is excellent in physical performance, hardness, elasticity and heat dissipation, and meanwhile, various optical characteristics are integrated, so that large-scale batch production is facilitated. The existing implementation scheme mainly adopts an integrated production process, namely, various optical films are integrated on a 2D glass substrate and then a 3D glass cover plate is obtained through a hot bending process; one is to integrate optical films on a hot-bent glass substrate to obtain a 3D glass cover plate. The two modes have high requirements on the optical film on one hand, and have difficult process, large investment and high cost on the other hand.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a to prior art's not enough, the utility model is simple in structure, high durability and convenient use, through adopting substep laminating technology, can effectively utilize the pliability bendability on ultra-thin glass layer, borrow by the OCA laminating realization 3D glass apron preparation through 3D curved surface base plate glass layer and ultra-thin glass layer, thereby have its physical properties and optical properties's advantage concurrently, reduce the technology degree of difficulty, reduce the equipment input, improve product yield and production efficiency, and reduction in production cost can protect the 3D glass apron in blooming and colour ink district betterly simultaneously.
To solve the technical problems, the invention adopts the technical scheme that:
the invention relates to a 3D glass cover plate which comprises an ultrathin glass layer, an OCA connecting layer and 3D curved surface substrate glass, wherein the OCA connecting layer is positioned between the ultrathin glass layer and the 3D curved surface substrate glass (the 3D curved surface substrate glass layer), the ultrathin glass layer comprises a glass layer body, an optical function film and a color ink layer, the optical function film and the color ink layer are arranged between the glass layer body and the OCA connecting layer, and the OCA connecting layer is arranged between the optical function film and the color ink layer and the 3D curved surface substrate glass.
The 3D curved surface substrate glass include base plate glass protrusion face and base plate glass concave recess face, the OCA articulamentum sets up at base plate glass protrusion face side surface, OCA articulamentum skin sets up optical function membrane and colour printing ink layer, the optical function membrane and the outer ultrathin glass layer body that sets up of colour printing ink layer on the ultrathin glass layer.
3D curved surface base plate glass include base plate glass protrusion face and base plate glass concave yield face, the OCA articulamentum sets up at base plate glass concave yield face side surface, OCA articulamentum skin sets up optical function membrane and colour printing ink layer, the optical function membrane and the outer ultrathin glass layer body that sets up of colour printing ink layer on the ultrathin glass layer.
The optical function film and the color ink layer comprise an optical function film and a color ink layer, the optical function film comprises a visual area on the surface of the optical function film, an AG coating, an AR coating and an AF film coating, and the color ink layer comprises an ink layer surrounding the visual area.
The OCA connecting layer is an optical double-sided adhesive tape.
The 3D curved surface substrate glass is thick glass with a 3D curved surface appearance.
The 3D curved surface substrate glass layer is set to be a structure formed by a thick glass 3D curved surface through CNC, hot bending and chemical strengthening treatment.
The film forming mode of the optical functional film and the optical functional film of the color ink layer comprises the steps of vacuum magnetron sputtering, coating and evaporation.
The invention also relates to a 3D glass cover plate manufacturing method which has the advantages of simple steps and convenience in use, can effectively utilize the flexibility of the ultrathin glass layer by adopting a step-by-step laminating process, realizes the manufacturing of the 3D glass cover plate by laminating the 3D curved surface substrate glass layer and the ultrathin glass layer through OCA (optical clear adhesive) and has the advantages of physical properties and optical properties, reduces the process difficulty, reduces the equipment investment, improves the product yield and production efficiency, reduces the production cost and can better protect the optical film and the color ink area.
The 3D glass cover plate manufactured by the 3D glass cover plate manufacturing method comprises an ultrathin glass layer, an OCA connecting layer and 3D curved surface substrate glass, and the 3D glass cover plate manufacturing method comprises the following manufacturing steps: 1) arranging an optical functional film and a color ink layer on the surface of the ultrathin glass layer; 2) arranging the 3D curved substrate glass in the glass cover plate profiling jig, and vacuum-laminating the 3D curved substrate glass and the glass cover plate profiling jig; 3) the ultrathin glass layer is connected to the surface of the 3D curved substrate glass through the OCA connecting layer, and the optical function film and the color ink layer are located between the ultrathin glass layer and the OCA connecting layer.
The 3D curved substrate glass is formed by configuring a thick glass 3D curved surface through CNC (computerized numerical control), hot bending and chemical strengthening treatment; the film forming mode of the optical functional film and the optical functional film of the color ink layer comprises the steps of vacuum magnetron sputtering, coating and evaporation.
By adopting the technical scheme of the invention, the following beneficial effects can be obtained:
according to the 3D glass cover plate and the manufacturing method of the 3D glass cover plate, the structure and the manufacturing method of the 3D glass cover plate are respectively improved, so that the existing defects are overcome, and the actual requirements on the 3D glass cover plate are met. According to the structure, the 3D glass cover plate is obtained by adopting a distribution process, so that the 3D curved surface and various optical film layer characteristics are completed under different processing process conditions, and finally vacuum profiling curved surface laminating integration is carried out, so that the process difficulty is reduced, the production yield and efficiency are improved, the product cost is reduced, and the optical film layer and color ink are effectively protected. According to the 3D glass cover plate and the manufacturing method of the 3D glass cover plate, the 3D glass cover is simple in structure, the steps of the manufacturing method of the 3D glass cover are simple, the flexibility and the bendability of the ultrathin glass layer can be effectively utilized by adopting a step-by-step laminating process, and the 3D glass cover plate is manufactured by laminating the 3D curved substrate glass layer and the ultrathin glass layer through OCA (optical clear adhesive tape) so as to have the advantages of physical properties and optical properties, reduce the process difficulty, reduce the equipment investment, improve the product yield and the production efficiency, reduce the production cost and better protect the optical film and the color ink area.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
fig. 1 is a schematic structural view of embodiment 1 of a 3D glass cover plate according to the present invention;
fig. 2 is a schematic structural diagram of embodiment 2 of the 3D glass cover plate according to the present invention;
FIG. 3 is a schematic structural diagram of an ultra-thin glass layer of a 3D glass cover plate according to the present invention;
in the drawings are labeled: 1. an ultra-thin glass layer; 2. an OCA connection layer; 3. 3D curved substrate glass; 4. a glass layer body; 5. an optical functional film and a color ink layer; 6. a substrate glass convex surface; 7. a substrate glass recessed surface; 8. an optical functional film; 9. and a color ink layer.
Detailed Description
The following detailed description of the embodiments of the present invention, such as the shapes and structures of the components, the mutual positions and connection relations among the components, the functions and operation principles of the components, will be made by referring to the accompanying drawings and the description of the embodiments:
as shown in fig. 1 and 2, the invention relates to a 3D glass cover plate, which comprises an ultrathin glass layer 1, an OCA connecting layer 2 and 3D curved substrate glass 3, wherein the OCA connecting layer 2 is located between the ultrathin glass layer 1 and the 3D curved substrate glass 3, the ultrathin glass layer 1 comprises a glass layer body 4 and an optical functional film and color ink layer 5, the optical functional film and color ink layer 5 is arranged between the glass layer body 4 and the OCA connecting layer 2, and the OCA connecting layer 2 is arranged between the optical functional film and color ink layer 5 and the 3D curved substrate glass 3. In the structure, when the 3D glass cover plate is carried out, the surface of the ultrathin glass layer 1 is provided with the optical functional film and the color ink layer 5; arranging the 3D curved substrate glass 3 in the glass cover plate profiling jig, and vacuum-laminating the 3D curved substrate glass 3 and the glass cover plate profiling jig; the ultrathin glass layer 1 is connected to the surface of the 3D curved substrate glass 3 through the OCA connecting layer 2, and the optical functional film and the color ink layer 5 are located between the ultrathin glass layer 1 and the OCA connecting layer 2. According to the structure, the structure and the manufacturing method of the 3D glass cover plate are respectively improved, so that the existing defects are overcome, and according to the actual requirement of the 3D glass cover plate, the 3D glass cover plate has two implementation modes, which are respectively shown in the attached drawings 1 and 2. Above-mentioned structure adopts the distribution technology to obtain the 3D glass apron for 3D curved surface and various optical film layer characteristics are accomplished under the processing technology condition of difference, carry out vacuum profile modeling curved surface laminating integration at last, have reduced the technology degree of difficulty, have improved production yield and efficiency, have reduced product cost, effectively protect optical film layer and colour printing ink simultaneously. The 3D glass cover plate is simple in structure and convenient to use, the flexibility and the bendability of the ultrathin glass layer can be effectively utilized by adopting the step-by-step laminating process, and the 3D glass cover plate is manufactured by laminating the 3D curved surface substrate glass layer and the ultrathin glass layer through OCA (optical clear adhesive) so as to have the advantages of physical properties and optical properties, reduce the process difficulty, reduce the equipment investment, improve the product yield and the production efficiency, reduce the production cost and better protect the optical film and the color ink area.
As shown in the attached drawing 1, the 3D curved substrate glass 3 comprises a substrate glass protruding surface 6 and a substrate glass concave surface 7, the OCA connecting layer 2 is arranged on the surface of one side of the substrate glass protruding surface 6, the optical function film and the color ink layer 5 are arranged on the outer layer of the OCA connecting layer 2, and the ultra-thin glass layer body 4 is arranged on the outer layer of the optical function film and the color ink layer 5 of the ultra-thin glass layer 1. The above configuration is embodiment 1 of the present invention. In embodiment 1, the ultra-thin glass layer, the OCA layer, and the 3D curved substrate glass are respectively provided from top to bottom. As shown in the attached drawing 2, the 3D curved substrate glass 3 includes a substrate glass protruding surface 6 and a substrate glass concave surface 7, the OCA connecting layer 2 is arranged on a surface of one side of the substrate glass concave surface 7, the optical function film and the color ink layer 5 are arranged on the outer layer of the OCA connecting layer 2, and the ultra-thin glass layer body 4 is arranged on the outer layer of the optical function film and the color ink layer 5 of the ultra-thin glass layer 1. The above configuration is embodiment 1 of the present invention. In embodiment 1, the 3D curved substrate glass layer, the OCA layer, and the ultra-thin glass layer are respectively arranged from top to bottom. The two embodiments are different in the upper and lower order of the ultra-thin glass layer, the OCA layer and the 3D curved substrate glass layer, and the connection curved surface with the 3D curved substrate glass layer is different.
The optical function film and color ink layer 5 comprises an optical function film 8 and a color ink layer 9, the optical function film 8 comprises a visual area on the surface of the optical function film, an AG coating, an AR coating and an AF coating, and the color ink layer 9 comprises an ink layer surrounding the visual area. In the structure, the optical functional film (optical film) on the upper surface of the ultrathin glass layer comprises, but is not limited to, AR, AF and AG film layers and color ink, the film forming mode comprises, but is not limited to, vacuum magnetron sputtering, coating and printing on the surface of the 2D ultrathin glass, and the thickness of each film layer is selected according to the needs.
In the 3D glass cover plate, the OCA connecting layer 2 is an optical double-sided adhesive tape. The 3D curved substrate glass 3 is thick glass with a 3D curved surface appearance. The 3D curved surface substrate glass layer 3 is set to be a structure formed by a thick glass 3D curved surface through CNC, hot bending and chemical strengthening treatment. The film forming mode of the optical functional film 8 of the optical functional film and color ink layer 5 comprises the steps of vacuum magnetron sputtering, coating and evaporation.
The invention also relates to a 3D glass cover plate manufacturing method which has the advantages of simple steps and convenience in use, can effectively utilize the flexibility of the ultrathin glass layer by adopting a step-by-step laminating process, realizes the manufacturing of the 3D glass cover plate by laminating the 3D curved surface substrate glass layer and the ultrathin glass layer through OCA (optical clear adhesive) and has the advantages of physical properties and optical properties, reduces the process difficulty, reduces the equipment investment, improves the product yield and production efficiency, reduces the production cost and can better protect the optical film and the color ink area.
The 3D glass cover plate manufactured by the 3D glass cover plate manufacturing method comprises an ultrathin glass layer 1, an OCA connecting layer 2 and 3D curved surface substrate glass 3, and the 3D glass cover plate manufacturing method comprises the following manufacturing steps: 1) arranging an optical functional film and a color ink layer 5 on the surface of the ultrathin glass layer 1; 2) arranging the 3D curved substrate glass 3 in the glass cover plate profiling jig, and vacuum-laminating the 3D curved substrate glass 3 and the glass cover plate profiling jig; 3) the ultrathin glass layer 1 is connected to the surface of the 3D curved substrate glass 3 through the OCA connecting layer 2, and the optical functional film and the color ink layer 5 are located between the ultrathin glass layer 1 and the OCA connecting layer 2. According to the 3D glass cover plate and the manufacturing method thereof, the step-by-step processing technology is adopted, the optical part and the 3D forming part are manufactured separately, the production technology requirement is reduced, the equipment investment is reduced, the requirement on the optical film characteristic is reduced, the processing and the production are easy, and the cost is reduced. Meanwhile, the 3D glass cover plate and the manufacturing method thereof finally adopt a curved surface laminating mode and utilize a profiling jig for vacuum laminating. The laminating mode integrates optics between two-sided glass, and can effectively protect the optical film and the printing ink. The defects of the prior art are effectively overcome, and the high-quality 3D glass cover plate is produced.
The 3D curved surface substrate glass layer 3 is formed by configuring a thick glass 3D curved surface through CNC (computerized numerical control), hot bending and chemical strengthening treatment; the film forming mode of the optical functional film 8 of the optical functional film and color ink layer 5 comprises the steps of vacuum magnetron sputtering, coating and evaporation.
According to the 3D glass cover plate, the thickness of the ultrathin glass layer is between 10 and 500 micrometers. The OCA connecting layer (OCA glue layer) is an optical double-sided adhesive, and the thickness of the OCA connecting layer is 50-500 mu m. The thickness of the 3D curved substrate glass is 500-2000 mu m.
The 3D glass cover plate and the manufacturing method of the 3D glass cover plate are used for manufacturing an embedded 3D glass cover plate, wherein the 3D glass cover plate comprises 3D curved surface substrate glass (a 3D curved surface substrate glass layer), an ultrathin glass layer and an OCA connecting layer (OCA optical cement, the OCA English is optical Clear Adhesive). The ultrathin glass layer is attached with a multilayer optical functional film and color ink, the optical functional film comprises a visual area on the surface and coatings such as AG, AR, AF and the like, and the color ink comprises an ink layer surrounding the visual area and a product logo. 3D glass apron, through utilizing the easy characteristics that take place the deformation of ultra-thin glass layer, realize being connected on ultra-thin glass layer and 3D curved surface base plate glass layer by the OCA articulamentum, set up the OCA articulamentum earlier on 3D curved surface base plate glass layer surface, but because this 3D curved surface base plate glass layer has certain thickness and chemical reinforcement nature, guaranteed the hardness of 3D glass apron to but through the thick 3D curved surface base plate glass layer hot bending plasticity, guarantee the three-dimensional appearance of 3D glass apron.
According to the 3D glass cover plate and the manufacturing method of the 3D glass cover plate, the structure and the manufacturing method of the 3D glass cover plate are respectively improved, so that the existing defects are overcome, and the actual requirements on the 3D glass cover plate are met. According to the structure, the 3D glass cover plate is obtained by adopting a distribution process, so that the 3D curved surface and various optical film layer characteristics are completed under different processing process conditions, and finally vacuum profiling curved surface laminating integration is carried out, so that the process difficulty is reduced, the production yield and efficiency are improved, the product cost is reduced, and the optical film layer and color ink are effectively protected. According to the 3D glass cover plate and the manufacturing method of the 3D glass cover plate, the 3D glass cover is simple in structure, the steps of the manufacturing method of the 3D glass cover are simple, the flexibility and the bendability of the ultrathin glass layer can be effectively utilized by adopting a step-by-step laminating process, and the 3D glass cover plate is manufactured by laminating the 3D curved substrate glass layer and the ultrathin glass layer through OCA (optical clear adhesive tape) so as to have the advantages of physical properties and optical properties, reduce the process difficulty, reduce the equipment investment, improve the product yield and the production efficiency, reduce the production cost and better protect the optical film and the color ink area.
The present invention has been described in connection with the accompanying drawings, and it is to be understood that the invention is not limited to the specific embodiments disclosed, but is intended to cover various modifications, changes and equivalents of the embodiments of the invention, and its application to other applications without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a 3D glass apron which characterized in that: including ultra-thin glass layer (1), OCA articulamentum (2), 3D curved surface base plate glass (3), OCA articulamentum (2) are located between ultra-thin glass layer (1) and 3D curved surface base plate glass (3), ultra-thin glass layer (1) includes glass layer body (4) and optical function membrane and colour printing ink layer (5), optical function membrane and colour printing ink layer (5) set up between glass layer body (4) and OCA articulamentum (2), OCA articulamentum (2) set up between optical function membrane and colour printing ink layer (5) and 3D curved surface base plate glass (3).
2. The 3D glass cover plate according to claim 1, wherein: 3D curved surface base plate glass (3) including base plate glass protrusion face (6) and base plate glass concave yield face (7), OCA articulamentum (2) set up at base plate glass protrusion face (6) one side surface, OCA articulamentum (2) skin sets up optical function membrane and colour printing ink layer (5), the optical function membrane and the colour printing ink layer (5) skin of ultra-thin glass layer (1) set up ultra-thin glass layer body (4).
3. The 3D glass cover plate according to claim 1, wherein: 3D curved surface base plate glass (3) including base plate glass protrusion face (6) and base plate glass concave yield face (7), OCA articulamentum (2) set up at base plate glass concave yield face (7) one side surface, OCA articulamentum (2) skin sets up optical function membrane and colour printing ink layer (5), the optical function membrane and the colour printing ink layer (5) skin of ultra-thin glass layer (1) set up ultra-thin glass layer body (4).
4. The 3D glass cover plate according to claim 2 or 3, characterized in that: the optical function film and color ink layer (5) comprises an optical function film (8) and a color ink layer (9), the optical function film (8) comprises a visual area on the surface of the optical function film, an AG coating, an AR coating and an AF film coating, and the color ink layer (9) comprises the ink layer surrounding the visual area.
5. The 3D glass cover plate according to claim 2 or 3, characterized in that: the OCA connecting layer (2) is an optical double-sided adhesive tape.
6. The 3D glass cover plate according to claim 2 or 3, characterized in that: the 3D curved surface substrate glass (3) is thick glass with a 3D curved surface appearance.
7. The 3D glass cover plate according to claim 2 or 3, characterized in that: the 3D curved surface substrate glass layer (3) is set to be a structure formed by a thick glass 3D curved surface through CNC, hot bending and chemical strengthening treatment.
8. The 3D glass cover plate according to claim 4, wherein: the film forming mode of the optical functional film and the optical functional film (8) of the color ink layer (5) comprises the steps of vacuum magnetron sputtering, coating and evaporation.
9. A3D glass cover plate manufacturing method is characterized by comprising the following steps: the 3D glass cover plate manufactured by the 3D glass cover plate manufacturing method comprises an ultrathin glass layer (1), an OCA connecting layer (2) and 3D curved substrate glass (3), and the 3D glass cover plate manufacturing method comprises the following manufacturing steps: 1) arranging an optical functional film and a color ink layer (5) on the surface of the ultrathin glass layer (1); 2) arranging the 3D curved substrate glass (3) in the glass cover plate profiling jig, and vacuum-laminating the 3D curved substrate glass (3) with the glass cover plate profiling jig; 3) the ultrathin glass layer (1) is connected to the surface of the 3D curved substrate glass (3) through the OCA connecting layer (2), and the optical functional film and the color ink layer (5) are located between the ultrathin glass layer (1) and the OCA connecting layer (2).
10. The method for manufacturing a 3D glass cover plate according to claim 9, wherein: the 3D curved surface substrate glass layer (3) is formed by a thick glass 3D curved surface configuration which is subjected to CNC, hot bending and chemical strengthening treatment; the film forming mode of the optical functional film and the optical functional film (8) of the color ink layer (5) comprises the steps of vacuum magnetron sputtering, coating and evaporation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910939616.8A CN110895426A (en) | 2019-09-30 | 2019-09-30 | 3D glass cover plate and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910939616.8A CN110895426A (en) | 2019-09-30 | 2019-09-30 | 3D glass cover plate and manufacturing method thereof |
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| CN110895426A true CN110895426A (en) | 2020-03-20 |
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| CN201910939616.8A Pending CN110895426A (en) | 2019-09-30 | 2019-09-30 | 3D glass cover plate and manufacturing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113325623A (en) * | 2021-05-21 | 2021-08-31 | 上海天马微电子有限公司 | Display module, manufacturing method of display module and display device |
| CN115071227A (en) * | 2022-06-16 | 2022-09-20 | 抚州联创恒泰光电有限公司 | Glass cover plate preparation process and glass cover plate |
-
2019
- 2019-09-30 CN CN201910939616.8A patent/CN110895426A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113325623A (en) * | 2021-05-21 | 2021-08-31 | 上海天马微电子有限公司 | Display module, manufacturing method of display module and display device |
| CN115071227A (en) * | 2022-06-16 | 2022-09-20 | 抚州联创恒泰光电有限公司 | Glass cover plate preparation process and glass cover plate |
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