CN111591080A - Glass shell assembly, manufacturing method thereof and electronic equipment - Google Patents

Glass shell assembly, manufacturing method thereof and electronic equipment Download PDF

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Publication number
CN111591080A
CN111591080A CN202010409127.4A CN202010409127A CN111591080A CN 111591080 A CN111591080 A CN 111591080A CN 202010409127 A CN202010409127 A CN 202010409127A CN 111591080 A CN111591080 A CN 111591080A
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CN
China
Prior art keywords
texture
glass
layer
glass substrate
membrane
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Pending
Application number
CN202010409127.4A
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Chinese (zh)
Inventor
谢王付
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to CN202010409127.4A priority Critical patent/CN111591080A/en
Publication of CN111591080A publication Critical patent/CN111591080A/en
Priority to PCT/CN2021/084102 priority patent/WO2021227686A1/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00—Processes for producing special ornamental bodies
    • B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
    • B44C5/0407—Ornamental plaques, e.g. decorative panels, decorative veneers containing glass elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/22—Removing surface-material, e.g. by engraving, by etching
    • B44C1/228—Removing surface-material, e.g. by engraving, by etching by laser radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C3/00—Processes, not specifically provided for elsewhere, for producing ornamental structures
    • B44C3/02—Superimposing layers
    • B44C3/025—Superimposing layers to produce ornamental relief structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F1/00—Designs or pictures characterised by special or unusual light effects
    • B44F1/02—Designs or pictures characterised by special or unusual light effects produced by reflected light, e.g. matt surfaces, lustrous surfaces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00—Electrical equipment
    • B32B2457/10—Batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Abstract

The application provides a glass shell assembly, a manufacturing method thereof and an electronic device. The glass housing assembly includes: the glass substrate is provided with a concave-convex structure, and the concave-convex structure is formed by a plurality of horizontal planes connected by different lines; a first membrane disposed on one surface of the glass substrate; the UV texture layer comprises planar small textures and three-dimensional pattern relief textures which are spliced. From this, concave-convex structure's setting can be so that glass housing subassembly has the three-dimensional profile of diamond texture, and plane little texture can be so that glass housing subassembly outward appearance big face has along with the light and moves, if the grain effect of showing suddenly (for example Kevlar texture effect), and the setting of three-dimensional pattern relief (sculpture) texture can be so that glass housing subassembly's local outward appearance has the pattern of three-dimensional relief, strengthens the holistic stereoscopic vision effect of glass housing subassembly, brings different visual experience for the user.

Description

Glass shell assembly, manufacturing method thereof and electronic equipment
Technical Field
The application relates to the technical field of electronic equipment, in particular to a glass shell assembly, a manufacturing method thereof and electronic equipment.
Background
The existing glass battery covers in the prior industry are basically conventional 3D battery covers, and color differentiation is realized mainly through differentiation of hot bending angle, arc height and arc length and integration of decorative films. However, the actual forms have no obvious difference, the homogenization is obvious, and the amazing visual experience feeling can not be brought to the user.
Therefore, research on the glass housing assembly is awaited.
Disclosure of Invention
The present application is directed to solving, at least to some extent, one of the technical problems in the related art. To this end, it is an object of the present application to provide a glass housing assembly having a diamond textured three-dimensional contour, a light-dependent, dull, flat, small texture, and a three-dimensional visual pattern relief texture.
In one aspect of the present application, a glass housing assembly is provided. According to an embodiment of the application, the glass housing assembly comprises: the glass substrate is provided with a concave-convex structure, and the concave-convex structure is formed by a plurality of horizontal planes connected by different lines; a first membrane disposed on one surface of the glass substrate; the UV texture layer comprises planar small textures and three-dimensional pattern relief textures which are spliced. From this, concave-convex structure's setting can be so that glass housing subassembly has the three-dimensional profile of diamond texture, and plane little texture can be so that glass housing subassembly outward appearance big face has along with the light and moves, if the grain effect of showing suddenly (for example Kevlar texture effect), and the setting of three-dimensional pattern relief (sculpture) texture can be so that glass housing subassembly's local outward appearance has the pattern of three-dimensional relief, strengthens the holistic stereoscopic vision effect of glass housing subassembly, brings different visual experience for the user.
In another aspect of the present application, a method of making the glass housing assembly described above is provided. According to an embodiment of the present application, a method of making a glass housing assembly comprises: preparing a glass substrate with a concave-convex structure by a 3D hot pressing, hot forging or glass hot suction method, wherein the concave-convex structure is formed by a plurality of horizontal planes connected by different lines; respectively manufacturing a plane small texture and a three-dimensional pattern relief texture by a laser direct writing technology so as to form a UV texture layer, and transferring the UV texture layer to one surface of the first membrane; and attaching the other surface of the first membrane to the glass substrate so as to obtain the glass shell assembly. Therefore, the glass shell assembly can have the three-dimensional outline of diamond textures due to the arrangement of the concave-convex structure, the large surface of the appearance of the glass shell assembly can have the effect of moving along with light and showing the textures (such as Kevlar texture effect) if the textures are hidden, the local appearance of the glass shell assembly can have the three-dimensional embossed patterns due to the arrangement of the three-dimensional embossed patterns, the integral three-dimensional visual effect of the glass shell assembly is enhanced, and different visual experiences are brought to users; and the laser direct writing method is adopted, so that the fineness of the UV texture layer can be further improved, the stereoscopic impression of the three-dimensional pattern relief texture is stronger, the manufacturing yield of the UV texture layer is high, the cost is low, and the UV texture layer is suitable for large-batch mass production.
In yet another aspect of the present application, an electronic device is provided. According to an embodiment of the present application, the electronic device includes: the glass housing assembly described above; the display screen assembly is connected with the shell assembly, an installation space is defined between the display screen assembly and the shell assembly, and the UV texture layer in the shell assembly is arranged towards the display screen assembly; and the mainboard is arranged in the installation space and is electrically connected with the display screen assembly. Therefore, the shell assembly of the electronic equipment has the advantages of strong appearance stereoscopic vision sense, unique appearance effect and individuality. Those skilled in the art will appreciate that the electronic device has all of the features and advantages of the glass housing assembly previously described and will not be redundantly described here.
Drawings
FIG. 1 is a schematic view of a glass housing assembly according to an embodiment of the present application.
FIG. 2 is a schematic structural view of a glass substrate according to another embodiment of the present application.
Fig. 3 is a cross-sectional view along AA' in fig. 2.
Fig. 4 is an enlarged view of the R-angle in the circular dashed box in fig. 3.
FIG. 5 is a schematic view of a glass housing assembly according to yet another embodiment of the present application.
FIG. 6 is a schematic view of a glass housing assembly according to yet another embodiment of the present application.
FIG. 7 is a schematic view of a glass housing assembly according to yet another embodiment of the present application.
FIG. 8 is a schematic view of a glass housing assembly according to yet another embodiment of the present application.
FIG. 9 is a schematic view of a glass housing assembly according to yet another embodiment of the present application.
FIG. 10 is a schematic flow chart illustrating the fabrication of a glass housing assembly according to yet another embodiment of the present application.
FIG. 11 is a schematic flow chart illustrating the fabrication of a glass housing assembly according to yet another embodiment of the present application.
FIG. 12 is a schematic flow chart illustrating the fabrication of a glass housing assembly according to yet another embodiment of the present application.
FIG. 13 is a schematic flow chart illustrating the fabrication of a glass housing assembly according to yet another embodiment of the present application.
Fig. 14 is a schematic structural diagram of an electronic device in another embodiment of the present application.
Detailed Description
Embodiments of the present application are described in detail below. The following description of the embodiments is merely exemplary in nature and is in no way intended to limit the present disclosure. The examples, where specific techniques or conditions are not indicated, are to be construed according to the techniques or conditions described in the literature in the art or according to the product specifications. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products commercially available.
In one aspect of the present application, a glass housing assembly is provided. Referring to fig. 1 to 3 (wherein fig. 2 is a schematic structural view of a glass substrate, a dotted frame in fig. 2 corresponds to a position of a relief texture of a three-dimensional pattern of a glass housing assembly, and fig. 3 is a cross-sectional view along AA' in fig. 2), the glass housing assembly includes: a glass substrate 10, wherein the glass substrate 10 has a concave-convex structure 11, and the concave-convex structure 11 is formed by a plurality of horizontal planes 111 connected by different lines; a first membrane 20, the first membrane 20 being disposed on one surface of the glass substrate 10; a UV texture layer 30, the UV texture layer 30 comprising a planar small texture 31 and a relief pattern relief texture 32 in a tiled arrangement. From this, concave-convex structure's setting can be so that glass housing subassembly has the three-dimensional profile of diamond texture, and plane little texture can be so that glass housing subassembly outward appearance big face has along with the light and moves, if the grain effect of showing suddenly (for example Kevlar texture effect), and the setting of three-dimensional pattern relief (sculpture) texture can be so that glass housing subassembly's local outward appearance has the pattern of three-dimensional relief, strengthens the holistic stereoscopic vision effect of glass housing subassembly, brings different visual experience for the user.
The glass substrate is prepared by a 3D hot pressing, hot forging or glass hot suction method, so that as shown in FIG. 3, the thickness of the glass substrate is uniform, that is, the thickness of the glass substrate at different positions is uniform within the allowable range of process errors. In some embodiments, the glass substrate has a thickness of 0.6-0.8 mm, and is made of Corning GG 5. Furthermore, the horizontal plane of concave-convex structure is smooth surface, so, glass housing assembly has the gloss of preferred to improve the holistic outward appearance effect of housing assembly.
Wherein, relative to the reference plane 112 of the glass substrate 10, the protrusion height D1 of the concave-convex structure 11 is 0.5 to 1.0mm (e.g., 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.0mm), and the recess depth (not shown in fig. 3) of the concave-convex structure 11 is 0.5 to 1.0mm (e.g., 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.0 mm). Therefore, the concave structure with the size can enable the glass shell component to have better three-dimensional diamond textures, and the concave-convex structure is not too abrupt to influence the touch feeling of the glass shell component. It should be noted that the concave-convex structure may have only a protrusion or may have both a protrusion and a recess with respect to the reference surface, and those skilled in the art may design the concave-convex structure flexibly according to actual conditions such as a pattern structure of the concave-convex structure.
Since the glass substrate has an outer surface (a surface close to the outer surface of the glass housing assembly) and an inner surface (a surface far from the outer surface of the glass housing assembly, that is, a surface close to the first film sheet) which are oppositely arranged, the glass substrate is of the same thickness, whether the outer surface or the inner surface, as shown in fig. 3, has a plurality of horizontal planes connected by different lines, and the horizontal planes of the inner surface and the outer surface are parallel to each other.
Further, as shown in fig. 3 and 4 (fig. 4 is an enlarged view of a circular broken line frame in fig. 3), an included angle α between two adjacent horizontal planes 111 is 110 ° to 170 ° (e.g., 110 °, 115 °, 120 °, 125 °, 130 °, 135 °, 140 °, 145 °, 150 °, 155 °, 160 °, 165 °, and 170 °). Therefore, the transition between the adjacent horizontal planes is smooth and not too steep, otherwise, the touch feeling of the shell assembly is influenced; if the alpha is less than 110 degrees, the transition between two adjacent horizontal planes is relatively steep, the hand feeling of the glass shell assembly can be seriously influenced, and the processing and manufacturing such as the bonding of a decorative film layer (namely a film with structures such as UV textures, a color layer, a coating layer and the like) can be influenced in the later-stage manufacturing process; if α is greater than 170 °, the transition between two adjacent horizontal planes is relatively too smooth and the protrusions or depressions are not significant, thereby affecting the diamond texture effect of the glass housing assembly. Further, as shown in fig. 3 and 4, an R angle is formed between two adjacent horizontal planes on the inner surface of the glass substrate, and the radius R of the R angle is 0.5mm to 1.0mm (e.g., 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.0 mm). Therefore, the diamond texture of the glass substrate has better stereoscopic vision, and the good bonding effect between the glass substrate and the later-stage decorative film layer can be ensured; if the radius R of the R angle is less than 0.5mm, the transition between two adjacent horizontal planes is relatively steep and sharp, and the processing and manufacturing such as the bonding of a decorative film layer (namely, a film with structures such as UV textures, a color layer, a coating layer and the like) can be influenced in the later-stage manufacturing process; if the radius R of the angle R is larger than 1.0mm, the ridge line of the transition between two adjacent horizontal planes in the concave-convex structure is relatively smooth, so that the stereoscopic vision of the diamond texture is relatively poor. Wherein, on the outer surface of the glass substrate, the radius R' of the R angle between two adjacent horizontal planes is the sum of the radius R of the R angle of the inner surface and the thickness of the glass substrate.
Wherein, the surface of the glass substrate close to the first membrane can be further provided with character patterns, such as LOGO patterns (such as OPPO characters).
Furthermore, the specific material of the first membrane has no special requirement, and the person skilled in the art can flexibly select the specific material according to the actual requirement. In some embodiments, the material of the first membrane includes, but is not limited to, PET, TPU, PC, and the like.
Further, as shown in fig. 1, the thickness of the planar micro-texture 31 is 8 to 12 micrometers (such as 8 micrometers, 9 micrometers, 10 micrometers, 11 micrometers or 12 micrometers), and the thickness of the relief texture 32 of the three-dimensional pattern is 10 to 15 micrometers (10 micrometers, 11 micrometers, 12 micrometers, 13 micrometers, 14 micrometers or 15 micrometers). The thickness of the three-dimensional pattern relief texture 32 is larger than that of the plane small texture 31, so that when a user watches the three-dimensional pattern relief texture of the glass shell assembly, the three-dimensional sense of the pattern relief texture is stronger, and the overall three-dimensional sense of the appearance of the glass shell assembly is further improved.
The three-dimensional pattern relief texture and the plane small texture are prepared by a laser direct writing method, so that compared with methods such as UV transfer printing, the method can further improve the fineness of the UV texture layer, enables the three-dimensional sense of the three-dimensional pattern relief texture to be stronger, enables the manufacturing yield of the UV texture layer to be high, is low in cost, and is suitable for large-batch mass production.
Furthermore, the specific pattern of the relief texture of the three-dimensional pattern has no limitation, and a person skilled in the art can flexibly select the relief texture according to actual needs. In some embodiments, the specific pattern of the relief texture of the relief pattern may be a brand LOGO, such as a LOGO pattern of lanborkini, or the like.
According to an embodiment of the present application, referring to fig. 5, the glass housing assembly further comprises: and the first coating layer 40 is arranged on the surface of the UV texture layer 30 far away from the glass substrate 10, and the orthographic projection of the first coating layer 40 on the glass substrate 10 is overlapped with the orthographic projection of the three-dimensional pattern relief texture 32 on the glass substrate 10. Therefore, the arrangement of the first coating layer is favorable for improving the glossiness of the relief texture of the three-dimensional pattern, the first coating layer can present a required color (such as golden color) by adjusting the material and the thickness of the first coating layer, a proper color substrate is provided for the relief texture of the three-dimensional pattern, and the selection of specific colors can be flexibly selected by a person skilled in the art according to the requirements of the relief texture of the three-dimensional pattern and the like.
Wherein, the material of the first coating layer includes but is not limited to at least one of silicon nitride, silicon oxide, niobium oxide and thallium oxide. The skilled person can select the above materials according to actual requirements and flexibly adjust the thickness of each material to obtain the first coating layer with the desired color. Wherein the thickness of the first coating layer is 290-310 nm, such as 290nm, 295nm, 300nm, 305nm and 310 nm.
Further, referring to fig. 5, the glass housing assembly further includes: the first ink layer 50, the first ink layer 50 is disposed on the surface of the first coating layer 40 away from the glass substrate 10 (that is, the orthographic projection of the first ink layer 50 on the glass substrate overlaps with the orthographic projection of the first coating layer on the glass substrate). Therefore, the arrangement of the first ink layer can better protect the relief texture of the three-dimensional pattern, and meanwhile, the good appearance effect of the relief texture of the three-dimensional pattern is guaranteed.
The first ink layer may include multiple (e.g., two) first ink layers, which may facilitate preparation of a first ink layer of suitable thickness for better protection of the relief texture of the stereoscopic pattern. The color of the first ink layer also has no special requirement, as long as the effect of better covering and light leakage can be achieved, for example, the color of the first ink layer can be black or white, etc.
According to an embodiment of the present application, referring to fig. 6, the glass housing assembly further comprises: and a second coating layer 60, wherein the second coating layer 60 is arranged on one side of the first coating layer 40 far away from the glass substrate 10 (when the glass shell component comprises the first ink layer 50, the second coating layer 60 is arranged on the surface of the first ink layer 50 far away from the glass substrate 10), and the orthographic projection of the UV texture 30 on the glass substrate 10 is covered by the orthographic projection of the UV texture 30 on the glass substrate 10. Therefore, the second coating layer has a high-reflection effect, and the appearance glossiness of the glass shell assembly can be effectively improved.
Wherein, the specific material of the second coating layer is selected from at least one of indium and tin. The thickness of the second coating layer is 55 nm-65 nm (such as 55nm, 57nm, 59nm, 60nm, 61nm, 63nm and 65n), so that the second coating layer has better high reflectivity, and the overall glossiness and appearance texture effect of the appearance of the glass shell assembly can be well improved.
According to an embodiment of the present application, referring to fig. 7, the glass housing assembly further comprises: a second membrane 70, the second membrane 70 being disposed between the first membrane 20 and the glass substrate 10; and the color layer 80, wherein the color layer 80 is arranged on the surface of the second film sheet 70 close to the first film sheet 20. From this, the setting on colour layer can provide required outward appearance color for glass housing assembly, and the colour layer passes through the laminating of second diaphragm and glass substrate moreover, can promote the laminating effect between colour layer and the glass substrate.
The color layer is prepared by a technical process of ribbon printing or offset printing, and the color layer prepared by the two methods can enhance the visual enhancement of the color layer and the diamond texture contour line of the glass substrate, so that the overall stereoscopic vision of the glass shell assembly is further improved. Furthermore, the specific color of the color layer has no special restriction requirement, and those skilled in the art can flexibly select the specific color according to the actual requirement. In some embodiments, the color of the color layer may be a single color, or a gradient of a single color; in other embodiments, the color of the color layer is a mosaic of colors or a gradient of colors.
Furthermore, the thickness of the color layer has no special requirement, and the skilled person can flexibly select the color layer according to the actual requirement. In some embodiments, the color layer is prepared by a ribbon printing technology, and the thickness of the color layer is 3-4 microns.
According to the embodiment of the application, the materials of the first membrane and the second membrane have no special requirements, and the person skilled in the art can flexibly select the materials according to the actual situation. In some embodiments, the specific material of the first membrane and the second membrane is selected from PET, TPU or PC.
According to an embodiment of the present application, referring to fig. 8, the second film 70 is attached to the glass substrate 10 by a first optical adhesive 91, and the first film 20 is attached to the color layer 80 by a second optical adhesive 92. Therefore, good bonding force between different layer structures can be effectively ensured. The OCA optical cement can be selected as the specific material of the first optical cement and the second optical cement, the material is good in optical performance and high in light transmittance, and the appearance performance effect of the UV texture cannot be influenced.
According to an embodiment of the present application, referring to fig. 9, the glass housing assembly further includes a second ink layer 52, the second ink layer 52 being disposed on a surface of the second coating layer remote from the first membrane 20. Therefore, the second ink layer can provide a better shading effect for the glass shell assembly to prevent the light leakage of the shell assembly and influence the appearance effect of the glass shell assembly.
The second ink layer may include a plurality of ink layers stacked one on another (e.g., three ink layers stacked one on another), so as to better play a role in dissipating light. In addition, the color of the third ink layer can be selected from black or white, as long as the shading effect is good and the appearance effect of the shell assembly is not affected.
According to some embodiments of the present application, the stereoscopic pattern embossed texture 32 of the glass housing component exhibits an appearance pattern of LOGO of lambdokini on the appearance surface of the glass housing component, and the kevlar texture of the glass housing component exhibits a large area of small texture of the flat small texture 31 on the appearance surface of the glass housing component. The appearance of the glass shell component simulates aerodynamic lines and three-dimensional light shadows of a sports car, so that the invisible ridge appearance and the three-dimensional smooth hand feeling are realized, the extremely pursuit of details is condensed in the machine body design with an advanced idea, and the appearance of the glass shell component is only used for overtaking of a mobile phone boundary.
In another aspect of the present application, a method of making the glass housing assembly described above is provided. According to an embodiment of the present application, referring to fig. 10, a method of making a glass housing assembly includes:
s100: the glass substrate 10 having the concave-convex structure 11 is prepared by a 3D hot pressing, hot forging or glass hot suction method, wherein the concave-convex structure 11 is formed by a plurality of horizontal planes 111 connected by different lines, and the structural schematic diagram refers to fig. 2 and 3.
The method comprises the steps of obtaining a 2D white piece with a specified size through processes of cutting, CNC and the like, and then obtaining a 3D diamond texture with a specified modeling design through a special hot bending die and heating forming.
Further, the temperature of the 3D hot pressing is 780-850 ℃ (such as 780 ℃, 790 ℃, 800 ℃, 810 ℃, 820 ℃, 830 ℃, 840 ℃ and 850 ℃) and the pressure is 110 kg-130 kg (such as 110kg, 115kg, 120kg, 125kg and 130 kg). Compared with the conventional 3D process, the hot pressing temperature is 20-30 ℃ higher, and the hot pressing pressure is 20-30 kg higher, so that the good forming effect of lines in the concave-convex structure can be effectively ensured; if the temperature is lower than 780 ℃ or the pressure is lower than 110kg, the forming of the concave-convex mechanism is relatively not facilitated, so that lines connecting different planes in the concave-convex structure are not obvious, and the stereoscopic impression of the glass shell assembly is reduced; if the temperature is higher than 850 ℃ or the pressure is higher than 130kg, the mold may leave a deep impression or orange peel on the surface of the glass substrate during the hot pressing.
Further, the hot forging is carried out at a temperature of 780 to 850 ℃ (for example, 780 ℃, 790 ℃, 800 ℃, 810 ℃, 820 ℃, 830 ℃, 840 ℃, 850 ℃) and at a pressure of 110 to 130kg (for example, 110kg, 115kg, 120kg, 125kg, 130 kg). From this, can effectively guarantee the good shaping effect of the lines in the concave-convex structure, promote concave-convex structure's stereovision and feel. The temperature is lower than 780 ℃, so that the forming of the concave-convex mechanism is relatively not facilitated, lines connecting different planes in the concave-convex structure are not obvious, and the stereoscopic impression of the glass shell assembly is further reduced; if the temperature is more than 850 ℃, the forming effect of the concave-convex structure may be relatively poor during the hot forging process.
Further, the glass is heated to 740 to 800 deg.C (e.g., 740 deg.C, 750 deg.C, 760 deg.C, 770 deg.C, 780 deg.C, 790 deg.C, 800 deg.C). Therefore, the good molding effect of lines in the concave-convex structure can be effectively ensured in the temperature range, and the stereoscopic vision feeling of the concave-convex structure is improved.
Further, after the hot pressing obtains the texture of the 3D diamond of concave-convex structure, carry out rough polishing to the concave surface and the convex surface to glass substrate respectively and handle, it is specific: polishing for 35-45 min by using black nylon rubber wires (the diameter is 0.3mm), so that the polishing efficiency of the polishing treatment is high, the ridges of the concave-convex structure are effectively polished, and the indentations and the orange peel on the surface are removed; after rough polishing, polishing the concave surface and the convex surface of the glass substrate, specifically: and (3) polishing for 25-35 min by adopting white nylon rubber wires (the diameter is 0.15mm), so that the surface quality of the glass substrate is further improved by the polishing treatment, and the scratch of the glass surface is reduced.
Further, after the glass substrate is polished, the glass substrate is further strengthened, specifically: placing the polished glass substrate in a strengthening salt bath, and using KNO with mass fraction of 62% for first strengthening3And 38% NaNO3The mixed strengthening liquid is used for strengthening for 120min, and the strengthening temperature is 380 ℃; KNO with the mass fraction of 91% is used for the second strengthening3And 38% NaNO3The strengthening time is 38min, and the strengthening temperature is 380 ℃. The strength of the glass substrate is improved by strengthening treatment.
Wherein, relative to the reference plane 112 of the glass substrate 10, the protrusion height D1 of the concave-convex structure 11 is 0.5 to 1.0mm (e.g., 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.0mm), and the recess depth (not shown in fig. 3) of the concave-convex structure 11 is 0.5 to 1.0mm (e.g., 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.0 mm). Therefore, the concave structure with the size can enable the glass shell component to have better three-dimensional diamond textures, and the concave-convex structure is not too abrupt to influence the touch feeling of the glass shell component. It should be noted that the concave-convex structure may have only a protrusion or may have both a protrusion and a recess with respect to the reference surface, and those skilled in the art may design the concave-convex structure flexibly according to actual conditions such as a pattern structure of the concave-convex structure.
Further, as shown in fig. 3 and 4 (fig. 4 is an enlarged view of a circular broken line frame in fig. 3), an included angle α between two adjacent horizontal planes 111 is 110 ° to 170 ° (e.g., 110 °, 115 °, 120 °, 125 °, 130 °, 135 °, 140 °, 145 °, 150 °, 155 °, 160 °, 165 °, and 170 °). Therefore, the transition between the adjacent horizontal planes is smooth and not too steep, otherwise, the touch feeling of the shell assembly is influenced; if the alpha is less than 110 degrees, the transition between two adjacent horizontal planes is relatively steep, the hand feeling of the glass shell assembly can be seriously influenced, and the processing and manufacturing such as the bonding of a decorative film layer (namely a film with structures such as UV textures, a color layer, a coating layer and the like) can be influenced in the later-stage manufacturing process; if α is greater than 170 °, the transition between two adjacent horizontal planes is relatively too smooth and the protrusions or depressions are not significant, thereby affecting the diamond texture effect of the glass housing assembly.
Further, as shown in fig. 3 and 4, an R angle is formed between two adjacent horizontal planes, and the radius R of the R angle is 0.5mm to 1.0mm (e.g., 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.0 mm). Therefore, the diamond texture of the glass substrate has better stereoscopic vision, and the good bonding effect between the glass substrate and the later-stage decorative film layer can be ensured; if the radius R of the R angle is less than 0.5mm, the transition between two adjacent horizontal planes is relatively steep and sharp, and the processing and manufacturing such as the bonding of a decorative film layer (namely, a film with structures such as UV textures, a color layer, a coating layer and the like) can be influenced in the later-stage manufacturing process; if the radius R of the R-angle is larger than 1.0mm, the stereoscopic vision of the diamond texture is relatively poor.
Further, in the subsequent step, before the glass substrate is attached to the membrane (the first membrane or the second membrane), a character pattern, such as a LOGO pattern (e.g., characters such as OPPO) may be previously printed on the surface of the glass substrate near the first membrane. In some embodiments, a polyester screen (13-15N) with low screen tension is adopted, and a profiling scraper (designed according to the glass form) is adopted as the scraper, so that the LOGO patterns are ensured to be subjected to silk-screen printing in a non-planar area, and no obvious fat oil phenomenon is ensured.
S200: the flat micro-texture and the three-dimensional pattern relief texture are respectively formed by a laser direct writing technology so as to form a UV texture layer (including the flat micro-texture and the three-dimensional pattern relief texture), and the UV texture layer is transferred to one surface of the first membrane. The prepared plane small texture moves, appears and disappears along with light on the appearance surface of the glass shell assembly, the three-dimensional pattern relief texture provides a unique three-dimensional appearance pattern for the shell assembly, and compared with methods such as UV transfer printing and the like, the method can further improve the fineness of the UV texture layer, enables the three-dimensional sense of the three-dimensional pattern relief texture layer to be stronger, enables the manufacturing yield of the UV texture layer to be high, is low in cost, and is suitable for large-batch mass production.
The laser direct writing conditions during the manufacturing of the plane small texture are as follows: the UV light intensity is 100 mu w/cm2～200μw/cm2(e.g., 100. mu.w/cm)2、110μw/cm2、120μw/cm2、130μw/cm2、140μw/cm2、150μw/cm2、160μw/cm2、170μw/cm2、180μw/cm2、190μw/cm2、200μw/cm2) The walking speed is 285 nm/s-315 nm/s (such as 285nm, 290nm, 295nm, 300nm, 305nm, 310nm and 315nm), and the curing depth is 8-12 microns (such as 8 microns, 9 microns, 10 microns, 11 microns and 12 microns); the conditions of laser direct writing when making the relief texture of the three-dimensional pattern are as follows: the UV light intensity is 100 mu w/cm2～200μw/cm2(e.g., 100. mu.w/cm)2、110μw/cm2、120μw/cm2、130μw/cm2、140μw/cm2、150μw/cm2、160μw/cm2、170μw/cm2、180μw/cm2、190μw/cm2、200μw/cm2) The walking speed is 285 nm/s-315 nm/s (such as 285nm, 290nm, 295nm, 300nm, 305nm, 310nm and 315nm), and the curing depth is 15-20 micrometers (15 micrometers, 16 micrometers, 17 micrometers, 18 micrometers, 19 micrometers and 20 micrometers). Therefore, the plane small texture and the three-dimensional pattern relief texture with better texture effect can be prepared under the conditions.
According to an embodiment of the present application, referring to fig. 11 and 5, the method of making a glass housing assembly further comprises:
s400: a full-surface coating layer is formed on the surface of the UV texture layer 30 away from the first membrane 20.
S500: the partial entire surface coating layer corresponding to the flat small texture is removed to obtain the first coating layer 40, and the orthographic projection of the first coating layer 40 on the first membrane 20 is overlapped with the orthographic projection of the relief texture 32 of the three-dimensional pattern on the first membrane 20. Therefore, the arrangement of the first coating layer is favorable for improving the glossiness of the relief texture of the three-dimensional pattern, the first coating layer can present a required color (such as golden color) by adjusting the material and the thickness of the first coating layer, a proper color substrate is provided for the relief texture of the three-dimensional pattern, and the selection of specific colors can be flexibly selected by a person skilled in the art according to the requirements of the relief texture of the three-dimensional pattern and the like.
S600: a first ink layer 50 is formed on the surface of the first coating layer 40 away from the first membrane 20. Therefore, the arrangement of the first ink layer can better protect the relief texture of the three-dimensional pattern, and meanwhile, the good appearance effect of the relief texture of the three-dimensional pattern is guaranteed.
The requirements for the first coating layer and the first ink layer are consistent with the requirements for limiting the first coating layer and the first ink layer in the front glass shell component, and redundant description is omitted here.
According to an embodiment of the present application, referring to fig. 12 and 6, the method of making a glass housing assembly further comprises: s700: a second coating layer 60 is formed on the side of the first ink layer 50 away from the first membrane 20, and an orthographic projection of the second coating layer 60 on the first membrane 20 covers an orthographic projection of the UV texture 30 on the first membrane 20. Therefore, the second coating layer has a high-reflection effect, and the appearance glossiness of the glass shell assembly can be effectively improved.
Wherein, the specific material of the second coating layer is selected from at least one of indium and tin. The thickness of the second coating layer is 55 nm-65 nm (such as 55nm, 57nm, 59nm, 60nm, 61nm, 63nm and 65n), so that the second coating layer has better high reflectivity, and the overall glossiness and appearance texture effect of the appearance of the glass shell assembly can be well improved.
The specific process for forming the second coating layer has no special requirements, and those skilled in the art can flexibly select the second coating layer according to actual requirements, for example, the second coating layer can be prepared by magnetron sputtering, chemical vapor deposition and other methods.
S300: and attaching the other surface of the first membrane to the glass substrate so as to obtain the glass shell assembly.
According to the embodiment of the application, the first film 20 and the glass substrate 10 are bonded together by the optical adhesive. Therefore, good bonding force between different layer structures can be effectively ensured.
Referring to fig. 13, 7, and 8, a method of making a glass housing assembly according to an embodiment of the present application further comprises:
s800: a color layer 80 is formed on one surface of the second film 70.
Wherein, the color layer is prepared by a method of ribbon printing or offset printing. The color layer prepared by the two methods can enhance the visual enhancement of the color layer and the diamond texture contour line of the glass substrate, and further improve the overall stereoscopic vision of the glass shell component. Furthermore, the specific color of the color layer has no special restriction requirement, and those skilled in the art can flexibly select the specific color according to the actual requirement. In some embodiments, the color of the color layer may be a single color, or a gradient of a single color; in other embodiments, the color of the color layer is a mosaic of colors or a gradient of colors. The process conditions of ribbon printing and offset printing have no special requirements, and those skilled in the art can flexibly design the process conditions by combining the existing process conditions and the actual conditions such as color and thickness of the color layer, and thus, redundant description is omitted here.
Furthermore, the thickness of the color layer has no special requirement, and the skilled person can flexibly select the color layer according to the actual requirement. In some embodiments, the color layer is prepared by a ribbon printing technology, and the thickness of the color layer is 3-4 microns.
S900: color layer 80 is attached to the surface of first film sheet 20 facing away from UV texture layer 30. The first film 20 and the color layer 80 can be bonded together by the second optical adhesive 92, so that a good bonding force between different layer structures can be effectively ensured.
S1000: the other surface of the second film 70 is bonded to the glass substrate 10. The second film 70 and the glass substrate 10 can be bonded together by the first optical adhesive 91. In addition, the specific material of the first optical cement and the second optical cement can be selected from OCA optical cement, the material is good in optical performance and high in light transmittance, and the appearance expression effect of the UV texture cannot be influenced.
In some specific embodiments, when the other surface of the membrane (taking the second membrane 70 as an example) is bonded to the glass substrate 10, silica gel with a hardness of 45 ° to 50 ° is used, the contour of the silica gel is about 0.5mm more inwardly contracted than the single edge of the edge contour of the inner surface of the glass substrate, the size of the second membrane is about 0.25mm more inwardly contracted than the single edge of the developed view of the inner surface of the glass substrate, and the half edges of the four corners are about 0.35mm inwardly contracted; and (3) defoaming after the second membrane is attached to remove bubbles between the second membrane and the glass base tank, wherein the defoaming time is about 45min, the pressure is 13KG, and the defoaming temperature is 50-60 ℃.
After the second membrane and the glass substrate are attached, further spraying and edge repairing treatment is needed, specifically: and (3) carrying out spraying edge repairing treatment on the edge of the battery cover to improve the overall consistency of the battery cover, wherein the thickness of edge repairing printing ink is 13-18 microns, and the width is about 20-25 mm.
According to an embodiment of the present application, before the second membrane 70 is attached to the glass substrate, the method for manufacturing the glass housing assembly further includes forming the second ink layer 52 on the surface of the second coating layer away from the first membrane 20 by silk-screening, and the structural schematic diagram refers to fig. 9. Therefore, the second ink layer can provide a better shading effect for the glass shell assembly to prevent the light leakage of the shell assembly and influence the appearance effect of the glass shell assembly.
The second ink layer may include a plurality of ink layers stacked one on another (e.g., three ink layers stacked one on another), so as to better play a role in dissipating light. In addition, the color of the third ink layer can be selected from black or white, as long as the shading effect is good and the appearance effect of the shell assembly is not affected.
According to the embodiment of the application, the glass shell assembly can have the three-dimensional outline of diamond textures due to the arrangement of the concave-convex structure, the large surface of the appearance of the glass shell assembly can have the effect of moving along with light and showing the textures if hidden (such as Kevlar texture effect) due to the small plane textures, the local appearance of the glass shell assembly can have the three-dimensional embossed patterns due to the arrangement of the three-dimensional embossed pattern embossing textures, the integral three-dimensional visual effect of the glass shell assembly is enhanced, and different visual experiences are brought to a user; and compared with methods such as UV transfer printing and the like, the method adopting laser direct writing can further improve the fineness of the UV texture layer, and enables the stereoscopic impression of the relief texture of the stereoscopic pattern to be stronger, so that the UV texture layer has high manufacturing yield and low cost, and is suitable for mass production. The utility model provides a glass housing subassembly fuses laser and directly writes relief sculpture technique, typewriter ribbon printing technique, makes glass housing subassembly dig the crest line third dimension of sense in advance and obtains further reinforceing, realizes the three-dimensional sense of looking of glass housing subassembly 3D molding, three-dimensional crest line and LOGO relief sculpture, and different angles, the outward appearance shadow circulation of glass housing subassembly demonstrate the abundant deep sense of indulging of level, deep and have the strength.
In yet another aspect of the present application, an electronic device is provided. According to an embodiment of the present application, referring to fig. 14, the electronic apparatus includes: the glass housing assembly 100 described above; the display screen assembly 200, the display screen assembly 200 is connected with the shell assembly 100, an installation space is defined between the display screen assembly 200 and the shell assembly 100, and the UV texture layer in the shell assembly is arranged towards the display screen assembly; and a main board (not shown in fig. 14) disposed in the installation space and electrically connected to the display screen assembly. Therefore, the shell assembly of the electronic equipment has the advantages of strong appearance stereoscopic vision sense, unique appearance effect and individuality. Those skilled in the art will appreciate that the electronic device has all of the features and advantages of the glass housing assembly previously described and will not be redundantly described here.
According to the embodiment of the present application, the specific type of the electronic device is not particularly required, and those skilled in the art can flexibly select the specific type according to actual requirements, and in some embodiments, the specific type of the electronic device includes, but is not limited to, an electronic device such as a mobile phone (as shown in fig. 14), an iPad, a notebook, and the like.
The terms "first" and "second" are used herein for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims (18)

1. A glass housing assembly, comprising:
the glass substrate is provided with a concave-convex structure, and the concave-convex structure is formed by a plurality of horizontal planes connected by different lines;
a first membrane disposed on one surface of the glass substrate;
the UV texture layer comprises planar small textures and three-dimensional pattern relief textures which are spliced.
2. The glass housing assembly of claim 1, wherein the glass substrate is of uniform thickness and the horizontal surface is a smooth surface.
3. The glass housing assembly of claim 1, wherein the relief structure has a protrusion height and a depression depth of 0.5mm to 1.0mm with respect to a reference plane of the glass substrate.
4. The glass housing assembly of claim 1, wherein an angle between two adjacent horizontal planes is between 110 ° and 170 °.
5. The glass housing assembly of claim 4, wherein an R-angle is formed between two adjacent horizontal surfaces on the inner surface of the glass substrate, and the radius of the R-angle is 0.5-1.0 mm.
6. The glass housing assembly of claim 1, wherein the planar micro-texture has a thickness of 8-12 microns and the relief texture has a thickness of 10-15 microns.
7. The glass housing assembly of any one of claims 1-6, further comprising:
the first coating layer is arranged on the surface, far away from the glass substrate, of the UV texture layer, and the orthographic projection of the first coating layer on the glass substrate is overlapped with the orthographic projection of the relief texture of the three-dimensional pattern on the glass substrate.
8. The glass housing assembly of claim 7, further comprising:
the first ink layer is arranged on the surface of the first coating layer, which is far away from the glass substrate.
9. The glass housing assembly of claim 8, further comprising:
and the second coating layer is arranged on one side of the first coating layer, which is far away from the glass substrate, and the orthographic projection of the UV texture on the glass substrate is covered by the orthographic projection of the UV texture on the glass substrate.
10. The glass housing assembly of claim 8, further comprising:
a second membrane disposed between the first membrane and the glass substrate;
the color layer is arranged on the surface, close to the first diaphragm, of the second diaphragm.
11. A method of making the glass housing assembly of claims 1-10, comprising:
preparing a glass substrate with a concave-convex structure by a 3D hot pressing, hot forging or glass hot suction method, wherein the concave-convex structure is formed by a plurality of horizontal planes connected by different lines;
respectively manufacturing a plane small texture and a three-dimensional pattern relief texture by a laser direct writing technology so as to form a UV texture layer, and transferring the UV texture layer to one surface of the first membrane;
and attaching the other surface of the first membrane to the glass substrate so as to obtain the glass shell assembly.
12. The method of claim 11, wherein the 3D hot pressing and the hot forging are each independently at a temperature of 780 ℃ to 850 ℃, a pressure of 110kg to 130kg, and a glass hot soak temperature of 740 ℃ to 800 ℃.
13. The method according to claim 11, wherein the conditions of the laser direct writing when making the planar small texture are: the UV light intensity is 100 mu w/cm2～200μw/cm2The walking speed is 285 nm/s-315 nm/s, and the curing depth is 8-12 microns;
the conditions of the laser direct writing when the three-dimensional pattern relief texture is manufactured are as follows: the UV light intensity is 100 mu w/cm2～200μw/cm2The walking speed is 285 nm/s-315 nm/s, and the curing depth is 15-20 microns.
14. The method of any one of claims 11 to 13, further comprising:
manufacturing a whole-surface coating film layer on the surface of the UV texture layer far away from the first membrane;
removing part of the whole coated film layer which is just corresponding to the small plane texture so as to obtain a first coated film layer, wherein the orthographic projection of the first coated film layer on the first membrane is overlapped with the orthographic projection of the relief texture of the three-dimensional pattern on the first membrane;
and forming a first ink layer on the surface of the first coating layer far away from the first membrane.
15. The method of claim 14, further comprising:
and forming a second coating layer on one side of the first ink layer, which is far away from the first membrane, wherein the orthographic projection of the second coating layer on the first membrane covers the orthographic projection of the UV texture on the first membrane.
16. The method of claim 14, further comprising:
manufacturing a color layer on one surface of the second membrane;
attaching the color layer to the surface of the first membrane, which is far away from the UV texture layer;
and attaching the other surface of the second membrane to the glass substrate.
17. The method of claim 16, wherein the color layer is prepared by ribbon printing or offset printing.
18. An electronic device, comprising:
the glass housing assembly of any one of claims 1 to 10;
the display screen assembly is connected with the shell assembly, an installation space is defined between the display screen assembly and the shell assembly, and the UV texture layer in the shell assembly is arranged towards the display screen assembly; and
the mainboard is arranged in the installation space and electrically connected with the display screen assembly.
CN202010409127.4A 2020-05-14 2020-05-14 Glass shell assembly, manufacturing method thereof and electronic equipment Pending CN111591080A (en)

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