WO2019076291A1 - Feuille de verre incurvée et procédé de fabrication associé, et dispositif électronique - Google Patents

Feuille de verre incurvée et procédé de fabrication associé, et dispositif électronique Download PDF

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Publication number
WO2019076291A1
WO2019076291A1 PCT/CN2018/110400 CN2018110400W WO2019076291A1 WO 2019076291 A1 WO2019076291 A1 WO 2019076291A1 CN 2018110400 W CN2018110400 W CN 2018110400W WO 2019076291 A1 WO2019076291 A1 WO 2019076291A1
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WO
WIPO (PCT)
Prior art keywords
textured surface
glass sheet
glass plate
flat glass
etching
Prior art date
Application number
PCT/CN2018/110400
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English (en)
Chinese (zh)
Inventor
杨光明
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Oppo广东移动通信有限公司
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Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Publication of WO2019076291A1 publication Critical patent/WO2019076291A1/fr

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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
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/02—Re-forming glass sheets
    • C03B23/023—Re-forming glass sheets by bending
    • 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
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components

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 includes: performing a first treatment on a flat glass plate, forming a first textured surface on the flat glass plate; performing a second treatment on the planar glass plate subjected to the first process to form a second textured surface; Performing a bending process on the flat glass plate subjected to the second treatment to form a curved surface on the flat glass plate, wherein the first process and the second process are independently selected from dry etching and wet Etching and setting the pattern layer. 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, the first textured surface is disposed on the flat glass plate; and a second a textured surface, the second textured surface is disposed on the planar glass plate; wherein the first textured surface and the second textured surface are independently dried, wet etched, and patterned separately Formed by at least one of the layers.
  • 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 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.
  • 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 is a partial cross-sectional structural view showing a curved glass sheet according to an embodiment of the present application
  • FIG. 3 is a partial cross-sectional structural view showing a curved glass sheet according to another embodiment of the present application.
  • FIG. 4 is a partial cross-sectional structural view showing a curved glass sheet according to still another embodiment of the present application.
  • FIG. 5 is a partial cross-sectional structural view showing a curved glass sheet according to still another embodiment of the present application.
  • FIG. 6 shows a flow chart of a method of wet etching 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 an embodiment of the present application
  • FIG. 8 is a cross-sectional structural view showing a curved glass sheet according to an embodiment of the present application.
  • FIG. 9 shows a schematic structural diagram of an electronic device according to an embodiment of the present application.
  • 100 a flat glass plate; 110: a first textured surface; 120: a second textured surface; 10: an overlapping area of the first textured surface and the second textured surface; 20: a curved surface; 200: a casing; 1000: an 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 planar glass sheet is subjected to a first treatment to form a first textured surface on the flat glass sheet.
  • the shape, size, and thickness of the flat glass plate are not particularly limited, and those skilled in the art can make selections as needed.
  • the process of trimming a flat glass sheet may be further included before the first treatment of the flat glass sheet.
  • a flat glass plate can be cut using a numerically controlled machine tool and a diamond cutter to obtain a flat glass plate of a predetermined size.
  • the method of the first process is not particularly limited, and may be dry etching, wet etching, or setting a pattern layer.
  • a first treatment may be performed on at least a portion of the surface of the planar glass sheet to form a first textured surface on at least a portion of the surface of the planar glass sheet.
  • the dry etching may include at least one of a laser laser etching process, a plasma etching process, and a photolithography process.
  • a laser laser etching process etching process
  • a plasma etching process etching process
  • a photolithography process etching process
  • the first textured surface may be formed by laser laser engraving.
  • the high-intensity laser beam emitted by the laser can be used to focus on the focus to change the surface properties of the material, thereby forming a pattern to be etched on the surface of the material.
  • an ultraviolet laser engraving device may be used, and the laser light source may be ultraviolet light, and the etching power may be 5-10W. Therefore, the first textured surface can be formed on the flat glass plate simply and quickly, and the shape of the first textured surface and the etching depth can also be easily passed through parameters such as the laser light source, the etching path, and the laser etching power. Make adjustments.
  • the first textured surface may be formed by a plasma etching process.
  • the plasma generating device can be used to generate plasma, and the free radicals in the plasma can bombard or sputter the surface molecules of the etched material to form a volatile substance, thereby achieving the purpose of etching.
  • a mask may be previously disposed on the flat glass plate to define a region where the plasma can act, thereby realizing the first textured surface. The location is limited.
  • a template having a certain hollow pattern may be used as a mask, and a first textured surface having a specific pattern may be obtained.
  • the dry etching method can have various options and is convenient to operate.
  • the specific method and operating parameters of the dry etching are not particularly limited as long as the surface of the flat glass plate can be etched to form a texture.
  • the etching depth of the dry etching may be 0.01-1 mm. The range of the etch depth facilitates the formation of textures of different depths and ensures that the etched planar glass sheet still has good mechanical strength.
  • the first textured surface may also be formed by wet etching.
  • 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 specific steps: first, a mask is provided on the surface of the flat glass plate.
  • the specific manner of setting the mask is not particularly limited. For example, 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 shield the flat glass plate region which is not required to be etched.
  • the side of the flat glass plate provided with the mask can be 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 finally removed to form an etched texture pattern.
  • 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 is matte matte effect.
  • the etched flat glass sheet not only has a textured effect, but also has good mechanical strength.
  • the first textured surface may also be formed by providing a pattern layer.
  • the provision of the pattern layer may be achieved by at least one of an ultraviolet imprint process, a hot imprint process, and 3D printing.
  • the first textured surface may be formed by ultraviolet imprinting, specifically: the ultraviolet curable adhesive is coated on the surface of the flat glass plate, and a transparent stamper is disposed on the ultraviolet curable adhesive, and the embossed area is promoted by ultraviolet exposure.
  • the UV curable adhesive is polymerized and solidified to form a textured pattern.
  • the first textured surface may be formed by a hot stamping process.
  • the stamper may be pressed against the polymer film on the substrate under high temperature and high pressure, and then the temperature is lowered, and then the stamper is separated from the polymer layer. And forming a texture pattern.
  • the first textured surface may be formed by 3D printing.
  • the texture pattern may be formed by layer-by-layer printing using a bondable material such as powdered metal or plastic based on the digital model file.
  • the method of setting the pattern layer can have various options and is convenient to operate.
  • the specific method and operational parameters for providing the pattern layer are not particularly limited as long as the texture can be formed on the surface of the flat glass plate.
  • the ultraviolet imprint process may be used to provide a pattern layer on the surface of the flat glass plate.
  • the ultraviolet curable glue may be first imprinted on the glass substrate through the mold texture, and then the texture effect is exhibited by the post-stage coloring process.
  • the side of the pattern layer away from the flat glass plate has a stripe pattern having a width of 0.01 to 1 mm.
  • the width of the stripe pattern facilitates the preparation of finer textures and patterns.
  • the first processed flat glass sheet is subjected to a second treatment to form a second textured surface.
  • the method of the second process is not particularly limited, and may be dry etching, wet etching, or setting a pattern layer, and those skilled in the art may select as needed. A detailed description has been made in the foregoing, and will not be described again here.
  • the method of forming the second textured surface may be the same as or different from the method of forming the first textured surface. As long as the formed second textured surface has a difference from any of the first textured surface in the texture surface pattern, the position in the screen glass panel, or the coverage. Since the glass sheet itself has a certain transmittance, a sheet having a three-dimensional visual effect can be obtained by means of the first textured surface and the second textured surface.
  • the surface of the planar glass sheet 100 that is not covered by the first textured surface 110 may be subjected to a second treatment so that at least the planar glass sheet 100 is not covered by the first textured surface 110.
  • a portion of the surface forms a second textured surface 120.
  • different textures can be formed in different regions of the flat glass plate 100, so that the planar glass plate 100 as a whole has a well-defined three-dimensional texture effect.
  • the second textured surface 120 may be located at a different depth from the first textured surface 110 or at the same depth, and a person skilled in the art may select according to a specific texture effect that needs to be achieved.
  • the second textured surface 120 can be at the same depth as the first textured surface 110 at the planar glass sheet 100.
  • At least a portion of the first textured surface 110 may be subjected to a second process to further form the second textured surface 120 on at least a portion of the surface on which the first textured surface 110 is located on the planar glass sheet 100. And an overlapping region 10 of the first textured surface 110 and the second textured surface 120 is also formed. Thereby, different levels of texture can be formed in the same area of the flat glass plate 100, and the flat glass plate 100 can have a layered three-dimensional texture effect.
  • At least a portion of the surface of the planar glass sheet 100 that is not covered by the first textured surface 110, and at least a portion of the first textured surface 110 may be subjected to a second process so as not to be in the first texture
  • At least a portion of the surface covered by the face 110, and at least a portion of the first textured face 110 form a second textured face 120, and an overlap region 10 of the first textured face 110 and the second textured face 120 is also formed.
  • the second processed flat glass plate 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 second processed flat glass plate may be subjected to hot pressing treatment, and the flat glass plate may be designed according to advance.
  • the 3D surface mold gets a 3D surface effect.
  • 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 and the second textured surface, thereby adjusting the curved glass plate.
  • the transmittance and reflectivity make the curved glass plate more transparent and achieve better texture.
  • 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 inkjet coloring, the fine texture produced by the previous step is more obvious, and with the transparency of the optical coating, a multi-layer texture interlacing stereo effect 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 first treatment may include at least one of dry etching and wet etching, the first textured surface is formed on the surface of the flat glass plate, and the second The textured surface may be a patterned layer, and the patterned layer is used to form a second textured surface.
  • the first process may be wet 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.
  • the flat glass plate may be subjected to photosensitive ink printing, and the photosensitive ink is used to shield the flat glass plate region which is not required to be etched.
  • the corresponding film sheets can be first made according to the designed texture or pattern, and then cured by exposure and development of the film sheets 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 can be no less than 10%.
  • the first textured surface may have a thickness of from 5 micrometers to 200 micrometers.
  • the second treatment may be to provide a pattern layer on the flat glass plate subjected to the first treatment, and the pattern layer constitutes the second texture surface.
  • a specific preparation method of the pattern layer is not particularly limited.
  • the pattern layer may be formed by at least one of an ultraviolet imprint process, a hot imprint process, and 3D printing. .
  • the patterned layer can be formed by ultraviolet imprinting.
  • the side of the pattern layer away from the flat glass plate may have a stripe pattern, and the stripe pattern may have a width of 0.01 to 1 mm. Thereby, the width of the stripe pattern is advantageous for preparing a finer pattern and achieving a more delicate texture effect.
  • the first processing may be to provide a pattern layer on the flat glass plate, the pattern layer constitutes the first texture surface, and then the first texture surface is performed.
  • the second process forms a second textured surface.
  • the pattern layer may be formed by at least one of an ultraviolet imprint process, a hot imprint process, and 3D printing.
  • the side of the pattern layer away from the flat glass plate may have a stripe pattern, and the stripe pattern may have a width of 0.01 to 1 mm.
  • the second textured surface is formed by performing a second treatment on the first textured surface. That is to say, the second process is performed on a flat glass plate of the same area as the first textured surface. Thereby, texture effects of different levels or different patterns can be formed in the same area of the flat glass plate.
  • the second process includes at least one of dry etching and wet etching.
  • the second process may be laser laser engraving, and an ultraviolet laser may be used.
  • the laser source used may be ultraviolet light
  • the etching power may be 5-10W.
  • the etching depth of the dry etching is 0.01-1 mm. Therefore, the etching depth is wide, which is favorable for forming textures of different depths, and can ensure that the planar glass plate after etching still has good mechanical strength.
  • the second process is performed for the pattern layer (first texture surface) formed by the first process, and therefore, the etching process in the second process does not affect the mechanical strength of the flat glass plate.
  • a hierarchical three-dimensional texture effect can be formed on the flat glass plate.
  • the present application proposes a curved glass sheet.
  • the curved glass sheet includes: a curved surface 20 formed by bending a flat glass sheet 100, a first textured surface 110 disposed on the flat glass sheet 100, and a second texture.
  • the curved glass plate may be prepared by the foregoing method, whereby the curved glass plate has all the features and advantages of the curved glass plate prepared by the method for preparing the curved glass plate described above. , will not repeat them here.
  • 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 etching depth of the dry etching may be 0.01-1 mm.
  • a stripe pattern may be provided on a side of the pattern layer away from the flat glass sheet, and the stripe pattern may have a width of 0.01 to 1 mm.
  • the first textured surface may have a gloss of 25 to 65, a roughness of 0.1-0.2, a haze of 10%-20%, and a transmittance of not less than 70. %, the reflectance is not less than 10%, and the thickness of the first textured surface may be 5 micrometers to 200 micrometers.
  • 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 present 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 will not be described herein.

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

Abstract

La présente invention concerne une feuille de verre incurvé et un procédé de fabrication associé, ainsi qu'un dispositif électronique. Le procédé comprend : la réalisation d'un premier traitement sur une feuille de verre plate pour former une première surface texturée sur la feuille de verre plate ; la réalisation d'un second traitement sur la feuille de verre plate ayant subi le premier traitement pour former une seconde surface texturée ; et le pliage de la feuille de verre plate ayant subi le second traitement pour former une surface incurvée sur la feuille de verre plate, le premier traitement et le second traitement étant chacun séparément sélectionnés parmi une gravure sèche, une gravure humide et une formation de couche de motif.
PCT/CN2018/110400 2017-10-18 2018-10-16 Feuille de verre incurvée et procédé de fabrication associé, et dispositif électronique WO2019076291A1 (fr)

Applications Claiming Priority (2)

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CN201710973186.2A CN107902912A (zh) 2017-10-18 2017-10-18 曲面玻璃板材及其制备方法、移动终端
CN201710973186.2 2017-10-18

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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
CN108737603B (zh) * 2018-05-25 2020-09-11 Oppo广东移动通信有限公司 壳体和电子装置
CN110830609A (zh) 2018-08-10 2020-02-21 华为技术有限公司 一种壳体及移动终端
WO2020060955A1 (fr) * 2018-09-21 2020-03-26 Corning Incorporated Articles en verre à motifs et leurs procédés de production
CN109465992A (zh) * 2018-11-22 2019-03-15 宁波微迅新材料科技有限公司 多通道3d纳米纹理模具的制备方法
CN110563345A (zh) * 2019-09-24 2019-12-13 江苏铁锚玻璃股份有限公司 凹面图案化的曲面玻璃及其制作方法、汽车天窗
CN113133236B (zh) * 2019-12-31 2024-02-23 RealMe重庆移动通信有限公司 壳体组件的制备方法、壳体组件及电子设备
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

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CN1609029A (zh) * 2004-09-29 2005-04-27 高国樑 在玻璃和玻璃制品表面形成彩色凹刻精细图案的方法
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CN106458683A (zh) * 2014-05-15 2017-02-22 旭硝子株式会社 玻璃物品以及玻璃物品的制造方法
CN205774114U (zh) * 2016-05-30 2016-12-07 蓝思科技（长沙）有限公司 一种含彩色油墨纹路图案的玻璃板
CN106626934A (zh) * 2016-12-19 2017-05-10 雷桦松 一种透明壳体哑光立体效果处理工艺及制品
CN206591761U (zh) * 2017-01-23 2017-10-27 江苏秀强玻璃工艺股份有限公司 一种3d多维弧面多层夹胶玻璃装饰面板
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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