CN115286263B - Preparation method of curved surface cover plate - Google Patents
Preparation method of curved surface cover plate Download PDFInfo
- Publication number
- CN115286263B CN115286263B CN202210807391.2A CN202210807391A CN115286263B CN 115286263 B CN115286263 B CN 115286263B CN 202210807391 A CN202210807391 A CN 202210807391A CN 115286263 B CN115286263 B CN 115286263B
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- Prior art keywords
- glass
- barrier layer
- manufacturing
- curved
- cover plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000011521 glass Substances 0.000 claims abstract description 97
- 230000004888 barrier function Effects 0.000 claims abstract description 69
- 238000004519 manufacturing process Methods 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 27
- 239000011248 coating agent Substances 0.000 claims abstract description 17
- 238000000576 coating method Methods 0.000 claims abstract description 17
- 238000005496 tempering Methods 0.000 claims abstract description 17
- 238000005520 cutting process Methods 0.000 claims abstract description 12
- 238000007639 printing Methods 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 239000000126 substance Substances 0.000 claims abstract description 4
- 230000000903 blocking effect Effects 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 229910000484 niobium oxide Inorganic materials 0.000 claims description 4
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 claims description 4
- 238000005498 polishing Methods 0.000 claims description 4
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 4
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 3
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 claims description 3
- 229910001635 magnesium fluoride Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 3
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 13
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 210000002457 barrier cell Anatomy 0.000 description 5
- 239000002390 adhesive tape Substances 0.000 description 3
- 238000013003 hot bending Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000005341 toughened glass Substances 0.000 description 2
- -1 aluminum silver Chemical compound 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000006060 molten glass Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
- C03C23/0075—Cleaning of glass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B11/00—Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto
- B08B11/04—Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto specially adapted for plate glass, e.g. prior to manufacture of windshields
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B27/00—Tempering or quenching glass products
- C03B27/02—Tempering or quenching glass products using liquid
- C03B27/03—Tempering or quenching glass products using liquid the liquid being a molten metal or a molten salt
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/001—General methods for coating; Devices therefor
- C03C17/002—General methods for coating; Devices therefor for flat glass, e.g. float glass
Abstract
The invention discloses a preparation method of a curved cover plate, which comprises the following steps: s1, cutting glass, namely cutting the planar glass into glass units with the corresponding size of curved glass; s2, manufacturing a barrier layer, and manufacturing a barrier layer on the surface of the glass unit obtained by cutting in the step S1, wherein the barrier layer comprises at least one barrier unit group, and each barrier unit group comprises a plurality of barrier units which are gradually increased from the middle of the glass to two sides; s3, glass tempering, namely placing the glass with the barrier layer manufactured in the step S2 into a tempering furnace for chemical tempering, and cooling after tempering; s4, removing the barrier layer, and removing the barrier layer on the surface of the glass after the glass is toughened to obtain a curved glass product; s5, printing shading ink, and printing frame shading ink on one surface of the curved glass product; s6, coating a film on the other surface of the curved glass product. The preparation method provided by the invention has the advantages of simple process and reduced energy consumption.
Description
Technical Field
The invention relates to the technical field of glass cover plates, in particular to a preparation method of a curved cover plate.
Background
Along with the improvement of mass aesthetic, the requirements on the display module are also higher and higher, and the protective cover plate serving as the outermost layer of the display module is also changed from a small screen to a large screen and from a plane to a curved surface. At present, the mobile phone cover plate, the computer display cover plate and the vehicle-mounted display cover plate in the market all tend to be curved.
The conventional curved surface manufacturing method is mainly realized by a hot bending process, and is common in a mould pressing and vacuum method.
The mould pressing process includes making curved mould, and pressing molten glass into required shape. The method firstly requires high temperature and high energy consumption, secondly has high requirements on the roughness of the die, and if the die is not smooth enough to manufacture, the surface of the pressed product is rough, so that the production yield is low.
The vacuum method is to cut glass into 2D size of 3D glass, then place the planar glass on the curved surface jig, and the jig is fully covered with vacuum holes, and under vacuum adsorption, the glass is precisely combined with the jig, and then cooled, and the glass keeps the curved surface shape. This method also has many drawbacks such as the need for high temperature and vacuum leaks, distortion of edge curvature, pitting of the glass surface due to non-uniform air pressure, etc.
Disclosure of Invention
The invention aims to provide a preparation method of a curved cover plate, which can solve the problem of high energy loss caused by a hot bending process and has a simple process.
Based on the problems, the technical scheme provided by the invention is as follows:
the preparation method of the curved surface cover plate comprises the following steps:
s1, cutting glass, namely cutting the planar glass into glass units with the corresponding size of curved glass;
s2, manufacturing a barrier layer, and manufacturing a barrier layer on the surface of the glass unit obtained by cutting in the step S1, wherein the barrier layer comprises at least one barrier unit group, and each barrier unit group comprises a plurality of barrier units which are gradually increased from the middle of the glass to two sides;
s3, glass tempering, namely placing the glass with the barrier layer manufactured in the step S2 into a tempering furnace for chemical tempering, and cooling after tempering;
s4, removing the barrier layer, and removing the barrier layer on the surface of the glass after the glass is toughened to obtain a curved glass product;
s5, printing shading ink, and printing frame shading ink on one surface of the curved glass product;
s6, coating a film on the other surface of the curved glass product.
In some embodiments thereof, the step S2 includes the steps of:
s21, manufacturing a shielding film, wherein the size of the shielding film is larger than that of the glass unit, and forming a plurality of hollowed-out holes corresponding to the blocking unit group on the shielding film;
s22, placing the glass unit on a carrier plate, covering the shielding film on the glass unit, and pasting and fixing the shielding film on the carrier plate in the circumferential direction;
s23, manufacturing a barrier layer on one surface of the shielding film covered by the glass unit, and removing the shielding film.
In some embodiments, the barrier layer in step S2 is a high temperature resistant coating or a film layer group.
In some embodiments, the high temperature resistant coating in step S2 is a high temperature resistant organic silicon coating, and the film layer group includes a plurality of film layers made of one or more materials of niobium oxide, silicon nitride, silicon oxide and magnesium fluoride.
In some of these embodiments, the thickness of the barrier layer in step S2 is within 100 μm.
In some of these embodiments, the thickness of the barrier layer in step S2 is within 50 μm.
In some of these embodiments, the thickness of the barrier layer in step S2 is within 40 μm.
In some embodiments, the shape of the blocking unit in the step S2 is a circle or a square.
In some embodiments, in the step S3, the glass for manufacturing the barrier layer is immersed in a fused salt of potassium salt, and the reaction temperature is maintained at 400-420 ℃ for 4-8 hours.
In some of these embodiments, the barrier layer is removed in step S4 using ultrasonic cleaning or polishing.
Compared with the prior art, the invention has the advantages that:
by adopting the technical scheme of the invention, the plurality of blocking units with the sizes gradually changed from the middle to the two sides are arranged on the surface of the glass, and the strength of the toughened glass on the two sides is controlled to ensure that the stress difference is generated on the two sides of the glass, so that the effect of bending the glass is achieved, the problem of high energy loss caused by a hot bending process can be solved, and the process is simple and convenient to produce.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, in which the drawings are only some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a process flow diagram of an embodiment of a method for manufacturing a curved cover plate of the present invention;
FIG. 2 is a schematic view of a shielding film according to an embodiment of the present invention;
FIG. 3 is a schematic view showing a state of a glass unit before a masking film is attached in an embodiment of the present invention;
FIG. 4 is a schematic view showing a state of removing the shielding film after manufacturing the barrier layer according to the embodiment of the invention;
wherein:
1. a carrier plate;
2. a glass unit;
3. a shielding film; 3-1, hollowed-out holes;
4. an adhesive tape;
5. and a blocking unit.
Detailed Description
The above-described aspects are further described below in conjunction with specific embodiments. It should be understood that these examples are illustrative of the present invention and are not intended to limit the scope of the present invention. The implementation conditions used in the examples may be further adjusted according to the conditions of the specific manufacturer, and the implementation conditions not specified are generally those in routine experiments.
Referring to fig. 1, in order to provide a process flow chart of an embodiment of the present invention, a method for preparing a curved cover plate is provided, which includes the following steps:
s1, cutting glass, namely cutting the planar glass into glass units with the corresponding sizes of curved glass;
s2, manufacturing a barrier layer, namely manufacturing a barrier layer on the surface of the glass unit obtained by cutting in the step S1, wherein the barrier layer comprises at least one barrier unit group, and each barrier unit group comprises a plurality of barrier units which gradually increase from the middle of the glass to two sides;
s3, glass tempering, namely placing the glass with the barrier layer manufactured in the step S2 into a tempering furnace for chemical tempering, and cooling after tempering;
s4, removing the barrier layer, and removing the barrier layer on the surface of the glass after the glass is toughened to obtain a curved glass product;
s5, printing shading ink, and printing frame shading ink on one surface of the curved glass product;
s6, coating a film on the other surface of the curved glass product.
The barrier layer is a high-temperature resistant coating obtained by printing and spraying or a film layer group obtained by evaporation and sputtering. The high-temperature resistant coating adopts a coating which is resistant to more than 380 ℃, such as a organosilicon high-temperature resistant coating, and the components of the organosilicon high-temperature resistant coating comprise organosilicon resin, saturated polyester resin, filler, pigment, aluminum silver powder, wetting dispersant and solvent. The film layer group comprises a plurality of film layers made of one or more materials of niobium oxide, silicon nitride, silicon oxide and magnesium fluoride. Preferably, the thickness of the barrier layer is within 100 μm, more preferably, the thickness of the barrier layer is within 50 μm, and even more preferably, the thickness of the barrier layer is within 40 μm.
In this example, glass with a thickness of 1.3mm, a length of 300mm and a width of 11mm is used to make a curved glass product, wherein step S2 includes the following steps:
s21, manufacturing a shielding film 3, wherein the size of the shielding film 3 is larger than that of the glass unit 2, forming six hollowed-out holes 3-1 corresponding to the blocking units 5 on the shielding film 3, and the structure of the shielding film 3 is shown in FIG. 2;
s22, placing the glass unit 2 on the carrier plate 1, arranging an adhesive tape 4 on the carrier plate 1 in the circumferential direction of the glass unit 2, covering the glass unit 2 with the shielding film 3, and pasting and fixing the circumferential direction of the shielding film 3 on the carrier plate 1 through the adhesive tape 4 as shown in FIG. 3;
s23, manufacturing a barrier layer on one surface of the glass unit 2 covered with the shielding film 3, in this example, the barrier layer is in a structure with alternating high and low refractive indexes, silicon dioxide and niobium oxide are used as raw materials, a magnetron sputtering process is adopted to obtain the barrier layer, the thickness of the barrier layer is 300nm, due to the existence of the shielding film, the shielding film 3 is removed after only covering the film layer in a hollowed-out area, the structure shown in fig. 4 is obtained, six barrier units 5 with gradually changed areas are formed on the glass unit 2, and the sizes of the units are respectively: two barrier units of 20mm by 20mm, two barrier units of 30mm by 30mm and two barrier units of 50mm by 50 mm.
It should be understood that in other embodiments, more barrier cell groups may be provided, and more barrier cells may be provided per barrier cell group, in this example, the shape of the barrier cells is square, and in other embodiments, the shape of the barrier cells may be circular or other shapes.
Specifically, in the step S3, the glass for manufacturing the barrier layer is immersed in potassium salt molten salt, the reaction temperature is maintained at 405 ℃, the reaction is carried out for 8 hours, and in the toughening process, the high concentration of K in the solution + Will spontaneously go to K + Low concentration glass is permeated and is combined with Na in the permeation process + After ion exchange, the ion radius of K ions is larger than Na ions, so that a stress layer which is relatively extruded and tensed is arranged on the surface of the glass, and the ion exchange is prevented because one surface of the glass is blocked by the blocking layer, so that stress difference values exist on two surfaces of the toughened glass, the stress difference values enable the glass to bend towards the surface with low stress, and the bending curvature of the glass can be controlled through gradual change control of the areas of a plurality of blocking units in the blocking unit group.
After the curved glass product is manufactured, the warp height of the glass is measured to be 3mm, the concave surface is a barrier layer surface, the convex surface is a non-barrier layer surface, the CS value (glass surface stress) of the area of the glass which is not covered with the barrier layer is 920MPA, and DOL (tempering depth) is 32 mu m. In other embodiments, thinner glass is used, for example 0.6mm,0.5mm,0.4mm thick, and warpage heights of 8 to 15mm can be achieved.
In order to process the molded curved glass into a cover plate product, the barrier layer needs to be removed, the coating can be removed by ultrasonic cleaning or polishing in the step S4, the ultrasonic cleaning is mainly aimed at the cleanable coating, and the polishing is mainly aimed at the barrier layer which is difficult to clean.
In this example, the glass cover plate is used for a curved panel of an automobile, in step S5, the convex surface of the curved glass product is silk-screened with the frame shading ink, and the concave surface of the curved glass product is plated with an antireflection film, which is a film layer structure with alternating high and low refractive indexes, which is not described in detail in the present invention.
The above examples are provided for illustrating the technical concept and features of the present invention and are not intended to limit the scope of the present invention to those skilled in the art who can understand the present invention and practice the same. All equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (9)
1. The preparation method of the curved surface cover plate is characterized by comprising the following steps of:
s1, cutting glass, namely cutting the planar glass into glass units with the corresponding sizes of curved glass;
s2, manufacturing a barrier layer, and manufacturing a barrier layer on the surface of the glass unit obtained by cutting in the step S1, wherein the barrier layer comprises at least one barrier unit group, and each barrier unit group comprises a plurality of barrier units which are gradually increased from the middle of the glass to two sides;
s3, glass tempering, namely placing the glass with the barrier layer manufactured in the step S2 into a tempering furnace for chemical tempering, and cooling after tempering;
s4, removing the barrier layer, and removing the barrier layer on the surface of the glass after the glass is toughened to obtain a curved glass product;
s5, printing shading ink, and printing frame shading ink on one surface of the curved glass product;
s6, coating a film on the other surface of the curved glass product;
the step S2 includes the steps of:
s21, manufacturing a shielding film, wherein the size of the shielding film is larger than that of the glass unit, and forming a plurality of hollowed-out holes corresponding to the blocking unit group on the shielding film;
s22, placing the glass unit on a carrier plate, covering the shielding film on the glass unit, and pasting and fixing the shielding film on the carrier plate in the circumferential direction;
s23, manufacturing a barrier layer on one surface of the shielding film covered by the glass unit, and removing the shielding film.
2. The method for manufacturing a curved cover plate according to claim 1, wherein: and in the step S2, the barrier layer is a high-temperature-resistant coating or a film layer group.
3. The method for manufacturing a curved cover plate according to claim 2, wherein: the high-temperature-resistant coating in the step S2 is a high-temperature-resistant organic silicon coating, and the film layer group comprises a plurality of film layers made of one or more materials of niobium oxide, silicon nitride, silicon oxide and magnesium fluoride.
4. The method for manufacturing a curved cover plate according to claim 1, wherein: the thickness of the barrier layer in the step S2 is within 100 mu m.
5. The method for manufacturing a curved cover plate according to claim 4, wherein: the thickness of the barrier layer in the step S2 is within 50 μm.
6. The method for manufacturing a curved cover plate according to claim 5, wherein: the thickness of the barrier layer in the step S2 is within 40 mu m.
7. The method for manufacturing a curved cover plate according to claim 1, wherein: the shape of the blocking unit in the step S2 is a circle or a square.
8. The method for manufacturing a curved cover plate according to claim 1, wherein: and in the step S3, the glass for manufacturing the barrier layer is immersed into the potassium salt molten salt, and the reaction temperature is maintained at 400-420 ℃ for 4-8 hours.
9. The method for manufacturing a curved cover plate according to claim 1, wherein: and in the step S4, the barrier layer is removed by ultrasonic cleaning or polishing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210807391.2A CN115286263B (en) | 2022-07-08 | 2022-07-08 | Preparation method of curved surface cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210807391.2A CN115286263B (en) | 2022-07-08 | 2022-07-08 | Preparation method of curved surface cover plate |
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| Publication Number | Publication Date |
|---|---|
| CN115286263A CN115286263A (en) | 2022-11-04 |
| CN115286263B true CN115286263B (en) | 2024-03-19 |
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| CN202210807391.2A Active CN115286263B (en) | 2022-07-08 | 2022-07-08 | Preparation method of curved surface cover plate |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130051171A (en) * | 2011-11-09 | 2013-05-20 | 루미너스 옵티컬 테크놀로지 컴퍼니 리미티드 | The method for forming glass substrate having the compressive stress layer patterned on the surface, and glass substrate manufactured thereof |
| KR20170033208A (en) * | 2015-09-16 | 2017-03-24 | 솔브레인 주식회사 | Curved Tempered Glass And Method For Manufacturing The Same |
| CN108147673A (en) * | 2018-01-29 | 2018-06-12 | 福耀玻璃工业集团股份有限公司 | A kind of glass dust, ink and chemically reinforced glass |
| CN111566057A (en) * | 2017-12-31 | 2020-08-21 | Agp美洲股份公司 | Automotive glass with sharp bending part and bending method |
| CN111592234A (en) * | 2020-04-26 | 2020-08-28 | 维达力实业(深圳)有限公司 | Patterned curved glass and preparation method and application thereof |
| CN112456811A (en) * | 2020-11-18 | 2021-03-09 | 福耀玻璃工业集团股份有限公司 | Coated glass and laminated glass thereof |
-
2022
- 2022-07-08 CN CN202210807391.2A patent/CN115286263B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130051171A (en) * | 2011-11-09 | 2013-05-20 | 루미너스 옵티컬 테크놀로지 컴퍼니 리미티드 | The method for forming glass substrate having the compressive stress layer patterned on the surface, and glass substrate manufactured thereof |
| KR20170033208A (en) * | 2015-09-16 | 2017-03-24 | 솔브레인 주식회사 | Curved Tempered Glass And Method For Manufacturing The Same |
| CN111566057A (en) * | 2017-12-31 | 2020-08-21 | Agp美洲股份公司 | Automotive glass with sharp bending part and bending method |
| CN108147673A (en) * | 2018-01-29 | 2018-06-12 | 福耀玻璃工业集团股份有限公司 | A kind of glass dust, ink and chemically reinforced glass |
| CN111592234A (en) * | 2020-04-26 | 2020-08-28 | 维达力实业(深圳)有限公司 | Patterned curved glass and preparation method and application thereof |
| CN112456811A (en) * | 2020-11-18 | 2021-03-09 | 福耀玻璃工业集团股份有限公司 | Coated glass and laminated glass thereof |
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| CN115286263A (en) | 2022-11-04 |
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