WO2019076284A1 - Vitre bombée et son procédé de fabrication, et dispositif électronique - Google Patents

Vitre bombée et son procédé de fabrication, et dispositif électronique Download PDF

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Publication number
WO2019076284A1
WO2019076284A1 PCT/CN2018/110378 CN2018110378W WO2019076284A1 WO 2019076284 A1 WO2019076284 A1 WO 2019076284A1 CN 2018110378 W CN2018110378 W CN 2018110378W WO 2019076284 A1 WO2019076284 A1 WO 2019076284A1
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WO
WIPO (PCT)
Prior art keywords
textured surface
glass plate
glass sheet
curved
etching
Prior art date
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.)
Ceased
Application number
PCT/CN2018/110378
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English (en)
Chinese (zh)
Inventor
杨光明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Publication of WO2019076284A1 publication Critical patent/WO2019076284A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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
    • C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching

Definitions

  • the present application relates to the field of sheet surface processing, and in particular to a curved glass sheet, a preparation method thereof, and an electronic device.
  • the present application proposes a method of preparing a curved glass sheet.
  • the method comprises: performing a first wet etching process on a flat glass plate, forming a first textured surface on the flat glass plate; and performing a second wet method on the flat glass plate provided with the first textured surface Etching to form a second textured surface; bending the planar glass sheet on which the second textured surface is formed, and forming a curved surface on the flat glass sheet. Therefore, the method can realize the hierarchical three-dimensional texture on the curved glass plate, which greatly enriches the appearance effect of the curved glass.
  • the present application proposes a curved glass sheet.
  • the curved glass sheet includes: a curved surface formed by bending a flat glass sheet; a first textured surface and a second textured surface disposed on the flat glass sheet, wherein The first textured surface is formed by a first wet etching process, and the second textured surface is formed by a second wet etching process.
  • the curved glass sheet can realize a layered three-dimensional texture, which greatly enriches the appearance of the curved glass.
  • the application proposes an electronic device.
  • the electronic device includes: a body; and a housing, at least a portion of which is made of a curved glass sheet as described above.
  • the electronic device has all the features and advantages of the curved glass sheet prepared by the method described above, and will not be described herein.
  • the housing of the electronic device has a layered three-dimensional texture with a rich appearance.
  • FIG. 1 shows a flow chart of a method of preparing a curved glass sheet according to an embodiment of the present application
  • FIG. 2 shows a flow chart of a portion of a method of preparing a curved glass sheet according to an embodiment of the present application
  • FIG. 3 is a partial structural view showing a curved glass sheet according to an embodiment of the present application.
  • FIG. 4 is a partial structural view showing a curved glass sheet according to another embodiment of the present application.
  • Figure 5 is a cross-sectional view showing a portion of a curved glass sheet according to an embodiment of the present application
  • FIG. 6 is a cross-sectional structural view showing a curved glass sheet according to an embodiment of the present application.
  • FIG. 7 shows a flow chart of a portion of a method of preparing a curved glass sheet according to another embodiment of the present application.
  • FIG. 8 shows a schematic structural diagram of an electronic device according to an embodiment of the present application.
  • 100 flat glass plate; 110: first textured surface; 120: second textured surface; 10: curved surface; 20: overlapping portion; 200: housing; 1000: electronic device.
  • the appearance effect is achieved on the curved glass mainly by the surface modification method.
  • the surface modification method includes an inkjet method or a film coating method, and the surface effects produced by these methods are mostly a flat effect of color and gloss. Therefore, if a process can be provided to make the curved glass have a layered three-dimensional texture, it will greatly enrich the appearance of the curved glass.
  • the present application provides a method of making a curved glass sheet. According to an embodiment of the present application, referring to FIG. 1, the method includes:
  • the flat glass plate may be etched by using an etching solution, that is, the flat glass plate is immersed in the etching liquid for etching.
  • the wet etching may include the following steps:
  • a mask is placed on the surface of the flat glass plate.
  • the specific manner of providing the mask is not particularly limited.
  • a photosensitive ink may be printed on the surface of the flat glass plate, and a mask may be formed using the photosensitive ink to mask a flat glass plate region that does not need to be etched.
  • the corresponding film sheet can be first made according to the designed texture or pattern, and then cured by exposure and development of the film sheet to form a mask for the corresponding texture or pattern.
  • one side of the flat glass plate provided with the mask is placed in the etching liquid for etching.
  • the kind of the etching liquid and the specific etching manner are not particularly limited as long as the etching texture can be formed on the flat glass plate, for example, according to a specific embodiment of the present application, printing can be performed.
  • the flat glass plate which shields the ink is immersed in an etching solution mainly composed of hydrofluoric acid for etching.
  • the mask is removed to form an etched first textured surface.
  • a masked ink can be removed by using a specific weakly alkaline (concentration: 1-5%) solution, whereby the flat glass plate of the ink shielding region is not etched, is a transparent gloss effect, and is etched.
  • the flat glass plate area forms the first textured surface, which is a matte matte effect.
  • the first textured surface and the unetched planar glass panel region constitute a first layer of depth and a visual texture pattern effect.
  • the first textured surface formed by the step may have a gloss of 25-65, a roughness of 0.1-0.2, a haze of 10%-20%, and a transmittance of not less than 70%, the reflectance may be not less than 10%, such as may be 10% to 98%.
  • the first textured surface may have a gloss of 35 to 65, a roughness of 0.1 to 0.15, a haze of 10% to 15%, a transmittance of not less than 85%, and a reflectance of not less than 10 %.
  • the first textured surface may have a thickness of from 5 micrometers to 200 micrometers. Thereby, the formed first textured surface has a fine texture effect, and the etched flat glass sheet still has good mechanical strength.
  • the composition of the wet etching etchant used is not particularly limited, and those skilled in the art can select according to actual conditions.
  • the etching solution may be a mixed acid aqueous solution containing hydrofluoric acid, nitric acid, phosphoric acid, and acetic acid.
  • the etching solution may include: 25 to 55 wt% of hydrofluoric acid, 6 to 25 wt% of nitric acid, 15 to 45 wt% of phosphoric acid, 0 to 0 based on the total mass of the etching solution. 25 wt% acetic acid and 0-25 wt% sulfuric acid. More specifically, the etching solution may include 25 to 45 wt% of hydrofluoric acid, 6 to 25 wt% of nitric acid, 15 to 35 wt% of phosphoric acid, and 5 to 25 wt% of acetic acid.
  • the specific parameters of the first wet etching process can be adjusted according to the physical parameters of the first textured surface to be formed.
  • the first wet etching process may have an etching temperature of 25 to 40 degrees Celsius, an etching rate of 5 to 8 micrometers per minute, and an etching time of 3 to 6 minutes.
  • the depth is 15 to 30 microns.
  • a second wet etching process is performed on the flat glass plate on which the first textured surface is formed to form a second textured surface on the flat glass plate.
  • the second texture surface formed by the second wet etching process is at least one of a coverage position, an etching depth, a gloss, a roughness, a haze, a reflectance, and a transmittance. Have a difference. Thereby, the appearance effect of the three-dimensional texture can be realized by the first textured surface and the second textured surface by utilizing the transparency property of the glass sheet itself.
  • the second wet etching process may also etch the flat glass plate by using an etching solution, that is, by setting a mask, immersing in an etching solution, removing a mask, etc., to realize the second texture.
  • an etching solution that is, by setting a mask, immersing in an etching solution, removing a mask, etc.
  • the etching solution used in the second wet etching treatment may be the same as or different from the etching liquid used in the first wet etching treatment.
  • the etching solution used in the second wet etching treatment may include 40 to 55 wt% of hydrofluoric acid; 6 to 25 wt% of nitric acid; 25 to 45 wt% of phosphoric acid; and 6 to 25 wt%. % sulfuric acid.
  • the formed second textured surface may have a gloss of 25-45, a roughness of 0.15-0.2, a haze of 15%-17%, a transmittance of 70-80%, and a reflectance of not less than 20%.
  • the specific parameters of the second wet etching process can be adjusted according to the physical parameters of the second textured surface to be formed.
  • the first wet etching process may have an etching temperature of 20 to 30 degrees Celsius, an etching rate of 3 to 6 micrometers per minute, and an etching time of 2 to 5 minutes. It is 10 to 15 microns.
  • the specific positions of the first textured surface and the second textured surface formed in front are not particularly limited.
  • the specific position of the above textured surface will be described in detail according to a specific embodiment of the present application:
  • the projections of the first textured surface 110 and the second textured surface 120 on the flat glass plate 100 may not overlap at all (as shown in FIG. 3), and may partially overlap. (As shown in Fig. 4, having the overlapping portion 20), it is also possible to completely overlap (as shown in Fig. 5). That is, the first textured surface 110 may cover a portion of the surface of the planar glass sheet 100, and the second textured surface 120 covers at least a portion of the planar glass sheet 100 that is not covered by the first textured surface 110. Alternatively, the second textured surface 120 covers at least a portion of the first textured surface 110.
  • the first textured surface 110 covers a portion of the surface of the planar glass sheet 100
  • the second textured surface 120 covers at least a portion of the first textured surface 110
  • the flat glass plate on which the first textured surface and the second textured surface are formed is bent to form a curved surface on the flat glass plate to form a curved glass plate having a layered three-dimensional texture effect.
  • the specific method of the bending process is not particularly limited.
  • the flat glass plate can be subjected to hot pressing treatment, and the flat glass plate can be obtained according to the three-dimensional curved mold designed in advance. 3D surface effects.
  • the direction of the bending process is not particularly limited, and the first textured surface and the second textured surface may be located on the front or back of the three-dimensional curved glass.
  • the method for preparing a curved glass plate may further include:
  • the flat glass plate on which the curved surface is formed is subjected to an optical coating process.
  • the optical coating can be performed on the back surface of the curved glass plate, that is, the optical glass is coated on the side of the curved glass away from the first textured surface, thereby adjusting the transmittance of the curved glass plate.
  • the reflectivity makes the curved glass plate more transparent and can achieve better texture effect.
  • the material, transmittance, and reflectance of the coating film are not particularly limited, and those skilled in the art may select according to needs, for example, according to a specific embodiment of the present application, the coating target may be silicon oxide, The superposition coating of the titanium oxide combination may have an optical transmittance of 75% to 95% and a reflectance of 5% to 20%.
  • the optically-coated glass sheet subjected to the optical coating treatment is subjected to an inkjet coloring treatment.
  • the color of the inkjet coloring process is not particularly limited, and the ink color can be formulated according to the designed pattern color.
  • colored ink adhesion can be performed by an inkjet method. After the inkjet coloring, the fine texture produced by the previous step is more obvious, and the three-dimensional effect of the multi-layer texture interlacing can be formed.
  • the method can realize the hierarchical three-dimensional texture on the curved glass plate, which greatly enriches the appearance of the curved glass.
  • the present application proposes a curved glass sheet.
  • the curved glass plate comprises: a curved surface 10 formed by bending a flat glass plate 100, a first textured surface 110 disposed on the flat glass plate 100, and a second textured surface 120, wherein The textured surface 110 is formed by a first wet etching process, and the second textured surface 120 is formed by a second wet etching process.
  • the curved glass plate may be prepared by the foregoing method, whereby the curved glass plate has all the features of the curved glass plate prepared by the method for preparing the curved glass plate described above and Advantages will not be described here.
  • the curved glass sheet has a layered three-dimensional texture with a rich appearance.
  • the projections of the first textured surface and the second textured surface on the flat glass plate may not overlap at all, may partially overlap, or may completely overlap. That is, the first textured surface may cover a portion of the surface of the planar glass sheet, and the second textured surface covers at least a portion of the planar glass sheet that is not covered by the first textured surface. Alternatively, the second textured surface covers at least a portion of the first textured surface. Alternatively, the first textured surface covers a portion of the surface of the planar glass sheet, the second textured surface covers at least a portion of the first textured surface, and the region of the planar glass sheet that is not covered by the first textured surface.
  • the first textured surface may have a gloss of 35-65, a roughness of 0.1-0.15, a haze of 10%-15%, a transmittance of not less than 85%, and a reflectance not Less than 10%.
  • the second textured surface may have a gloss of 25-45, a roughness of 0.15-0.2, a haze of 15%-17%, a transmittance of 70-80%, and a reflectance of not less than 20%.
  • the etching depth of the first textured surface may be the same as or different from the etching depth of the second textured surface.
  • the curved glass sheet may have a plurality of (eg, two or four) curved surfaces at the edge of the sheet; or the upper surface of the curved glass sheet may have a curved surface as a whole.
  • the application proposes an electronic device.
  • the electronic device 1000 includes: a body; and a housing 200, at least a portion of which is made of a curved glass sheet as described above.
  • the electronic device 1000 has all the features and advantages of the curved glass plate described above, and details are not described herein.
  • the housing of the electronic device has a layered three-dimensional texture with a rich appearance.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Surface Treatment Of Glass (AREA)

Abstract

La présente invention concerne une vitre bombée et son procédé de fabrication, et un dispositif électronique. Le procédé comprend : la réalisation d'un premier traitement de gravure humide sur une feuille de verre plate pour former une première surface texturée sur la feuille de verre plate ; la réalisation d'un second traitement de gravure humide sur la feuille de verre plate sur laquelle la première surface texturée est formée pour former une seconde surface texturée ; et le pliage de la feuille de verre plate sur laquelle la seconde surface texturée est formée pour former une surface incurvée sur la feuille de verre plate.
PCT/CN2018/110378 2017-10-18 2018-10-16 Vitre bombée et son procédé de fabrication, et dispositif électronique Ceased WO2019076284A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710971705.1 2017-10-18
CN201710971705.1A CN107857481B (zh) 2017-10-18 2017-10-18 曲面玻璃板材及其制备方法、移动终端

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WO2019076284A1 true WO2019076284A1 (fr) 2019-04-25

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107902912A (zh) * 2017-10-18 2018-04-13 广东欧珀移动通信有限公司 曲面玻璃板材及其制备方法、移动终端
CN107879638B (zh) * 2017-10-18 2020-04-10 Oppo广东移动通信有限公司 曲面玻璃板材、制备方法、组合试剂及移动终端
CN107857481B (zh) * 2017-10-18 2021-01-12 Oppo广东移动通信有限公司 曲面玻璃板材及其制备方法、移动终端
CN113365448B (zh) * 2020-03-04 2023-03-17 Oppo广东移动通信有限公司 一种壳体组件的制作方法、壳体组件和电子设备
CN113562983A (zh) * 2020-04-29 2021-10-29 北京小米移动软件有限公司 玻璃盖板的制造方法、玻璃盖板、终端
US20240045108A1 (en) * 2021-10-19 2024-02-08 Sang-Ro Lee Wet etching solution composition, wet etching method of glass, and patterned glass by the wet etching method
CN118270996A (zh) * 2023-09-27 2024-07-02 比亚迪股份有限公司 一种曲面玻璃及其制备方法

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2273497B (en) * 1992-12-21 1995-11-01 Solaglas Ltd Etched glass product
CN1435327A (zh) * 2003-03-10 2003-08-13 河南恒昊化工技术有限公司 透光立体图案玻璃的生产方法
KR20050028523A (ko) * 2003-09-18 2005-03-23 이혜숙 유리표면 처리방법
CN1730284A (zh) * 2005-08-08 2006-02-08 郑州恒昊玻璃技术有限公司 多层次多透光效果的工艺图案玻璃的生产工艺
CN1962507A (zh) * 2006-11-29 2007-05-16 郑州恒昊玻璃技术有限公司 一种具有鸳鸯效果的酸蚀图案玻璃的生产方法
CN106808877A (zh) * 2015-11-30 2017-06-09 姜蕾 一种透光立体图案玻璃的生产方法
CN107734093A (zh) * 2017-10-18 2018-02-23 广东欧珀移动通信有限公司 曲面玻璃板材及其制备方法、移动终端
CN107857481A (zh) * 2017-10-18 2018-03-30 广东欧珀移动通信有限公司 曲面玻璃板材及其制备方法、移动终端
CN107879638A (zh) * 2017-10-18 2018-04-06 广东欧珀移动通信有限公司 曲面玻璃板材、制备方法、组合试剂及移动终端
CN107902912A (zh) * 2017-10-18 2018-04-13 广东欧珀移动通信有限公司 曲面玻璃板材及其制备方法、移动终端
CN107902876A (zh) * 2017-10-18 2018-04-13 广东欧珀移动通信有限公司 曲面玻璃板材及其制备方法、移动终端

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107197063A (zh) * 2017-07-18 2017-09-22 宇龙计算机通信科技(深圳)有限公司 一种手机盖板及其制备方法和移动终端

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2273497B (en) * 1992-12-21 1995-11-01 Solaglas Ltd Etched glass product
CN1435327A (zh) * 2003-03-10 2003-08-13 河南恒昊化工技术有限公司 透光立体图案玻璃的生产方法
KR20050028523A (ko) * 2003-09-18 2005-03-23 이혜숙 유리표면 처리방법
CN1730284A (zh) * 2005-08-08 2006-02-08 郑州恒昊玻璃技术有限公司 多层次多透光效果的工艺图案玻璃的生产工艺
CN1962507A (zh) * 2006-11-29 2007-05-16 郑州恒昊玻璃技术有限公司 一种具有鸳鸯效果的酸蚀图案玻璃的生产方法
CN106808877A (zh) * 2015-11-30 2017-06-09 姜蕾 一种透光立体图案玻璃的生产方法
CN107734093A (zh) * 2017-10-18 2018-02-23 广东欧珀移动通信有限公司 曲面玻璃板材及其制备方法、移动终端
CN107857481A (zh) * 2017-10-18 2018-03-30 广东欧珀移动通信有限公司 曲面玻璃板材及其制备方法、移动终端
CN107879638A (zh) * 2017-10-18 2018-04-06 广东欧珀移动通信有限公司 曲面玻璃板材、制备方法、组合试剂及移动终端
CN107902912A (zh) * 2017-10-18 2018-04-13 广东欧珀移动通信有限公司 曲面玻璃板材及其制备方法、移动终端
CN107902876A (zh) * 2017-10-18 2018-04-13 广东欧珀移动通信有限公司 曲面玻璃板材及其制备方法、移动终端

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