WO2020077995A1 - 夹层玻璃及其制备方法、电子设备壳体和电子设备 - Google Patents

夹层玻璃及其制备方法、电子设备壳体和电子设备 Download PDF

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Publication number
WO2020077995A1
WO2020077995A1 PCT/CN2019/087231 CN2019087231W WO2020077995A1 WO 2020077995 A1 WO2020077995 A1 WO 2020077995A1 CN 2019087231 W CN2019087231 W CN 2019087231W WO 2020077995 A1 WO2020077995 A1 WO 2020077995A1
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WIPO (PCT)
Prior art keywords
glass
layer
laminated
texture
laminated glass
Prior art date
Application number
PCT/CN2019/087231
Other languages
English (en)
French (fr)
Inventor
王海霞
马兰
陈梁
石礼亮
Original Assignee
比亚迪股份有限公司
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.)
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Publication date
Application filed by 比亚迪股份有限公司 filed Critical 比亚迪股份有限公司
Priority to EP19873991.4A priority Critical patent/EP3868729A4/en
Priority to US17/286,337 priority patent/US20210387443A1/en
Publication of WO2020077995A1 publication Critical patent/WO2020077995A1/zh
Priority to US18/405,642 priority patent/US20240149562A1/en

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    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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    • 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
    • B32B17/10005—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 laminated safety glass or glazing
    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10247—Laminated safety glass or glazing containing decorations or patterns for aesthetic reasons
    • B32B17/10256—Laminated safety glass or glazing containing decorations or patterns for aesthetic reasons created by printing techniques
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
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    • 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
    • B32B17/10005—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 laminated safety glass or glazing
    • B32B17/10009—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 laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10036—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 laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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    • 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
    • B32B17/10005—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 laminated safety glass or glazing
    • B32B17/10009—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 laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10036—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 laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
    • B32B17/10045—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 laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets with at least one intermediate layer consisting of a glass sheet
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    • B32B17/10256—Laminated safety glass or glazing containing decorations or patterns for aesthetic reasons created by printing techniques
    • B32B17/10266—Laminated safety glass or glazing containing decorations or patterns for aesthetic reasons created by printing techniques on glass pane
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    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10339—Specific parts of the laminated safety glass or glazing being colored or tinted
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    • B32B17/1055—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 laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
    • B32B17/10743—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 laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing acrylate (co)polymers or salts thereof
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    • B32B17/10761—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 laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing vinyl acetal
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    • B32B17/10816—Making laminated safety glass or glazing; Apparatus therefor by pressing
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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
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    • C—CHEMISTRY; METALLURGY
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    • C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
    • C03C27/06—Joining glass to glass by processes other than fusing
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    • C03C2217/00—Coatings on glass
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    • C03C2218/00—Methods for coating glass
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    • C03C2218/00—Methods for coating glass
    • C03C2218/30—Aspects of methods for coating glass not covered above
    • C03C2218/365—Coating different sides of a glass substrate

Definitions

  • the present application relates to the technical field of electronic equipment, in particular, to laminated glass and a preparation method thereof, an electronic equipment housing, and an electronic equipment.
  • the actual application of the existing laminated glass is basically limited to the fields of construction, automobiles, etc., but due to its good mechanical properties, anti-drop performance, etc., it also has a wide range of application prospects in electronic equipment, but the decoration of laminated glass is currently mostly used in single
  • the method of screen printing and wire clamping on the laminated glass has a relatively simple decoration effect, and the appearance cannot meet the appearance requirements of the shell of the electronic device. Therefore, the current decoration technology for laminated glass still needs to be improved.
  • the present application proposes a laminated glass capable of realizing the appearance of superposition of different etching textures, different colors and different patterns, presenting multiple layers, strong three-dimensional sense, special optical colors or brilliant appearance effects.
  • the present application provides a laminated glass.
  • the laminated glass includes at least two glass pieces and at least one adhesive film arranged in a stack, the glass pieces and the adhesive film are alternately arranged, wherein at least two of the glass pieces face toward The surface of the adhesive film has a decorative layer, and at least two of the decorative layers independently include at least one of an etched texture, an optical coating layer, and a pattern layer.
  • the laminated glass is provided with a decorative layer on the surface of at least two glass parts facing the adhesive layer, which can realize the appearance of superposition of different etching textures, different colors and different patterns, presenting a special optical color or gorgeous appearance Effect, and different textures, optical coatings and patterns are located on different planes, the distance from the user is different, can present a multi-layered, three-dimensional strong special appearance effect, the laminated glass can be effectively used in electronic equipment, meet the requirements of electronic equipment Appearance requirements and the user's pursuit of beauty, thereby improving the user experience.
  • the present application provides an electronic device housing.
  • at least a part of the housing of the electronic device is formed of the aforementioned laminated glass.
  • the electronic device housing has the appearance of superimposing different textures, colors, and patterns, achieving multiple layers, special optical colors, and brilliant visual effects, which can greatly satisfy the user's pursuit of beauty and improve the user experience.
  • the present application provides a method for preparing the aforementioned laminated glass.
  • the method includes: providing at least two glass pieces; forming a decorative layer on at least two surfaces of the glass pieces; alternately and layering the glass pieces and the adhesive film to obtain a laminated structure ; Perform vacuum and heat and pressure treatment on the laminated structure in sequence to obtain laminated glass.
  • the method has simple steps, easy operation, mature technology, and is suitable for industrial production.
  • the obtained laminated glass has a superimposed appearance of different textures, patterns, and colors, and presents multiple layers, special optical colors, and gorgeous visual effects.
  • FIG. 1 is a schematic cross-sectional structure diagram of a laminated glass according to an embodiment of the present application.
  • FIG. 2 is a schematic cross-sectional structure diagram of a laminated glass according to another embodiment of the present application.
  • FIG. 3 is a schematic cross-sectional structure diagram of a laminated glass according to another embodiment of the present application.
  • FIG. 4 is a schematic cross-sectional structure diagram of a laminated glass according to another embodiment of the present application.
  • FIG. 5 is a schematic cross-sectional structure diagram of a laminated glass according to another embodiment of the present application.
  • FIG. 6 is a schematic flow chart of a method for preparing laminated glass according to an embodiment of the present application.
  • FIG. 7 is a schematic cross-sectional structure diagram of a laminated glass according to another embodiment of the present application.
  • FIG. 8 is a schematic cross-sectional structure diagram of a laminated glass according to another embodiment of the present application.
  • the present application provides a laminated glass.
  • the laminated glass includes at least two glass pieces and at least one adhesive film arranged in a stack, the glass pieces and the adhesive film are alternately arranged, wherein at least two of the glass pieces face the surface of the adhesive film
  • a decorative layer is provided, and each of the at least two decorative layers independently includes at least one of an etched texture, an optical coating layer, and a pattern layer.
  • the laminated glass is provided with a decorative layer on the surface of at least two glass parts facing the bonding layer, which can realize the appearance of two or more layers of different etching textures, different colors and different patterns superimposed , Presents special optical colors or brilliant appearance effects, and different textures, optical coating layers and patterns are located on different planes, at different distances from users, can present multi-layered, strong three-dimensional special appearance effects, the laminated glass can be effectively used For electronic devices, it meets the appearance requirements of electronic devices and users' pursuit of aesthetics, thereby improving user experience.
  • the laminated glass of the present application may include two or more glass pieces, wherein the glass pieces and the adhesive film are alternately arranged, and the uppermost layer and the lowermost layer of the laminated glass are both glass pieces.
  • this article The description method used in "at least two of the glass pieces has a decorative layer on the surface facing the adhesive film” means that the upper surface of the uppermost glass piece and the lower surface of the lowermost glass piece are removed from the laminated glass, all other At least two of the upper surface and the lower surface of the glass piece have a decorative layer, for example, when the laminated glass has two glass pieces, then the lower surface of the uppermost glass piece and the upper surface of the uppermost glass piece have a decorative layer; When the laminated glass has three glass parts, at least two of the upper surface of the lowermost glass part, the upper surface of the middle glass part, the lower surface of the middle glass part and the lower surface of the uppermost glass part have a decorative layer; When the glass has more glass pieces, so on.
  • the laminated glass includes a first glass member 10, a first adhesive film 20, and a second glass member 30 laminated from bottom to top, wherein the first glass Both the upper surface of the member 10 and the lower surface of the second glass member have a decorative layer 40, the decorative layer 40 includes at least one of an etched texture 41, an optical coating layer 42 and a pattern layer 43.
  • the laminated glass is provided with a decorative layer on the surfaces of the first glass piece and the second glass piece close to the first adhesive film, which can realize the appearance of different etching textures, different colors and different patterns superimposed, presenting special optical colors or Brilliant appearance effect, and different textures, optical coating layers and patterns are located on different planes, and the distance from the user is different, which can present a multi-layered, three-dimensional and strong special appearance effect.
  • the laminated glass can be effectively used in electronic devices to meet the requirements of electronics The appearance requirements of the device and the user's pursuit of beauty, thereby improving the user experience.
  • the laminated glass includes a first glass member 10, a second adhesive layer 50, a third glass member 60, and a first adhesive layer 20 that are stacked from bottom to top
  • the second glass member 30 wherein the upper surface of the first glass member 10, the lower surface of the second glass member 20, the upper surface of the third glass member 60 and the lower surface of the third glass member 60
  • the decorative layer is provided on at least two of the surfaces (FIGS. 7 and 8 are only examples showing two cases, and cannot be construed as a limitation to the present application).
  • the laminated glass is provided with at least two decorative layers on different surfaces, which can realize the appearance of superposition of different etching textures, different colors and different patterns, presenting special optical colors or gorgeous appearance effects, and different textures, optical coating layers and
  • the pattern is located on different planes and the distance from the user is different. It can present a multi-layered, three-dimensional special appearance effect.
  • the laminated glass can be effectively used in electronic devices to meet the appearance requirements of electronic devices and the user's pursuit of aesthetics. Improve user experience.
  • the specific composition of at least two glass pieces has no limitation requirements, and those skilled in the art can flexibly choose according to needs, for example, including but not Limited to the independent cover glass (including high-aluminum and high-alkali aluminosilicate glass and soda lime silica glass, etc.), touch screen substrate glass (such as alkaline earth coke without alkali and heavy metals (arsenic, antimony, barium) Sodium borate-aluminosilicate glass, soda glass and neutral boron silicate glass, etc.), display substrate glass (such as alkaline earth pyrophosphate-aluminosilicate glass without alkali and heavy metals (arsenic, antimony, barium) , Soda glass and neutral boron silicate glass, etc.) and TFT display screen substrate glass (including but not limited to Corning Eagle XG, Eagle XG Silm, Willow, etc.
  • the independent cover glass including high-aluminum and high-alkali aluminosilicate glass and
  • the glass piece in order to meet the requirements for the use of mechanical properties such as strength, the glass piece may be subjected to strengthening treatment, such as chemical strengthening, etc., thereby significantly increasing the strength of the glass piece and obtaining better performance.
  • strengthening treatment such as chemical strengthening, etc.
  • the thickness of at least two glass pieces may be independently 0.2 mm to 0.5 mm, such as 0.2 mm, 0.25 mm, 0.3 mm, 0.35 mm, 0.4 mm, 0.45 mm, 0.5 mm, etc.
  • the thickness of at least two glass pieces in the laminated glass may be equal.
  • the thickness of at least two glass pieces may be different.
  • the thickness may be flexibly selected according to actual needs. As a result, it can meet the use requirements under different conditions, and the glass parts in this thickness range cooperate with each other, and the mechanical properties, appearance, and optical properties of the laminated glass are better than those in other thickness ranges, which can meet the electronic device housing.
  • the use requirements, and combined with the decorative layer can achieve more variable, stronger three-dimensional sense, better sense of layering, more gorgeous and colorful appearance.
  • the laminated glass is thick and unsightly, which is not suitable for the application of electronic equipment housings, touch screens or display screens. If the thickness of the glass is too thin, then Laminated glass has poor mechanical properties and does not meet the requirements for use.
  • the specific shapes and structures of at least two glass pieces are not limited, and may include but not limited to flat glass pieces, 2.5D glass pieces, 3D glass pieces, and other glass pieces with complicated structures and shapes.
  • the shape and structure of at least two glass pieces in the laminated glass may be the same or different, for example, when the laminated glass contains the first glass piece, the first adhesive film and the second glass piece, the first glass piece and the second glass piece
  • the piece may be two flat glass pieces with different shapes, or the first glass piece may be a flat glass piece, and the second glass piece may be a 2.5D glass piece.
  • the positions and shapes of the first glass piece, the second glass piece and the first adhesive film match, for example, the first glass piece 10 is 2.5D glass
  • the second glass member 30 is a flat glass member
  • a flat surface of the flat glass member is stacked correspondingly through the first adhesive film 20 and the flat surface of the 2.5D glass member (see FIG. 3 for a schematic diagram of the structure).
  • the shape and structure of the first glass piece and the second glass piece can be consistent, thereby, they can be well matched and closely combined, resulting in substantially no bubbles, less outline and flatness 3. Use laminated glass with good performance.
  • the first glass member 10 and the second glass member 30 are both flat glass (see FIG. 1 and FIG. 2 for a schematic diagram of the structure), and in other embodiments, the first glass member 10 and the second glass member 30 Both glass pieces 30 are 2.5D glasses (see FIG. 4 for a schematic diagram of the structure). In some other embodiments, the first glass piece 10 and the second glass piece 30 are both 3D glasses (see FIG. 5 for the schematic diagram of the structure).
  • the first adhesive film can be a flat film layer, or a film layer consistent with the structure and shape of the glass part.
  • the first adhesive film has good processability, it can be very good Cushioning the coordination problem between the first glass piece and the second glass piece, so that the three are closely combined, and at the same time, the first adhesive film can greatly improve the strength and anti-dropping performance of the glass piece, and the glass will not splash when broken, safe Sex is better.
  • the laminated glass includes three or more glass pieces, its specific shape and structure are similar to those of the first glass piece and the second glass piece, and details are not repeated here.
  • the decorative layer 40 includes an etched texture 41, an optical coating layer 42 and a pattern layer 43, but it should be noted that in practical applications, the decorative layer 40 may be a single-layer structure, that is, only Including the etched texture 41, the optical coating layer 42 or the pattern layer 43, which can be a double-layer structure, that is, including only the etched texture 41 and the optical coating layer 42, the etched texture 41 and the pattern layer 43, or the optical coating layer 42 and
  • the pattern layer 43 can also be a three-layer structure, that is, it includes the etching texture 41, the optical coating layer 42 and the pattern layer 43 at the same time; the layer structure of at least two decorative layers in the laminated glass may be the same or different, for example
  • Each decorative layer is a single-layer, double-layer or three-layer structure; one decorative layer may be a single-layer structure, the other decorative layer may be a double-layer structure, etc., which can be flexibly selected according to the target appearance effect.
  • the lamination order and position of the etched texture, optical coating layer and pattern layer in the decorative layer are not particularly limited, as long as the production and use requirements are met, those skilled in the art can flexibly choose according to needs.
  • the decorative layer contains an etched texture
  • the etched texture is usually formed by etching the surface of the glass piece, that is to say, the etched texture is directly formed on the surface of the glass piece, so the etching
  • the texture is set close to the glass piece, the optical coating layer and the pattern layer are located on the side of the etched texture close to the adhesive film, and the relative positions of the optical coating layer and the pattern layer can be flexibly adjusted.
  • the decoration The layer 40 may include an etching texture 41, a pattern layer 43, and an optical coating layer 42 that are sequentially stacked; or may include an etching texture 41, an optical coating layer 42, and a pattern layer 43 that are sequentially stacked; when the decorative layer does not include etching
  • the decorative layer may include an optical coating layer and a pattern layer that are stacked and arranged, wherein the optical coating layer may be directly disposed on the surface of the glass piece, or the pattern layer may be directly disposed on the surface of the glass piece.
  • the layer structure of at least two decorative layers in the laminated glass, the stacking order of the layers, etc. may be the same or different.
  • the etching texture may be any shape and line, for example, the pattern and line may constitute a pattern, that is, a pattern texture, may be stripes of various shapes, that is, a stripe texture, or may be made by etching texture
  • the glass piece presents the matte effect, that is, the matte texture, and can also be adjusted by adjusting the thickness of the texture (the thickness gradually becomes thicker, etc.), the size (gradually increases from small, etc.), and the spacing between adjacent textures (the spacing distance gradually increases Large or small, etc.) or haze (the haze gradually increases or gradually decreases), etc., and gradually changes, showing a gradual texture.
  • the shape of the etched texture in at least two decorative layers in the laminated glass may be the same or different, and its orthographic projection on the glass piece may overlap, not overlap at all or partially overlap, etc.
  • Multiple etched textures achieve the matching and superimposed appearance of different positions and shapes.
  • the optical coating layer may be some known coating layers in the art, and those skilled in the art can flexibly choose according to the usage requirements, for example, including but not limited to titanium oxide coating layer, silicon oxide coating layer and zirconium oxide At least one of the coating layers may be formed by vacuum evaporation coating, magnetron sputtering coating, or the like.
  • the order of the titanium oxide coating layer, the silicon oxide coating layer, the zirconia coating layer, etc. can be adjusted With superimposed layers to achieve richer coating appearance effects such as gradient colors.
  • the coating layer may be transparent, and the optical properties such as the refractive index of the coating layer may be adjusted to further combine with the color of the undercoat layer to achieve a colorful and colorful appearance.
  • the optical coating layer may have a predetermined color, and thus, the laminated glass may have an appearance effect of superimposing different colors, and present more colorful optical colors.
  • the layer structure, material, thickness and predetermined color of the optical coating layer in at least two decorative layers in the laminated glass may be the same or different, wherein the predetermined colors may independently include red, yellow, blue and green , Purple, pink and other colors, can also be a gradual color matching of multiple colors, etc.
  • some positions on the optical coating layer have a predetermined color, and the position with a predetermined color can be flexibly selected, so that Realize the coordination of different colors in a certain three-dimensional space, and then present a three-dimensional, multi-level, colorful and colorful appearance.
  • the specific shape of the pattern layer is not particularly limited, and those skilled in the art can choose according to the appearance that meets the requirements of users.
  • the shape of the pattern layer can be independently geometric patterns (such as various geometric figures), object patterns (such as cartoon patterns, character patterns, plant patterns, flower patterns, etc.) and identification information (such as brand logos, model logos) , Operator logo, etc.).
  • object patterns such as cartoon patterns, character patterns, plant patterns, flower patterns, etc.
  • identification information such as brand logos, model logos
  • the pattern layer located on the uppermost layer may include a mirror silver logo.
  • the pattern layer located at the uppermost layer may be a window pattern arranged around the glass member, thereby effectively identifying the window area.
  • the pattern layer is formed of ink. Since the ink is opaque, it will block the color pattern below. Therefore, in order to achieve a superimposed appearance, when the laminated glass has at least two pattern layers
  • the orthographic projection of the at least two pattern layers on the glass piece is at least partially a non-overlapping area. In some specific embodiments, there is no overlapping area in the orthographic projection of at least two of the pattern layers on the glass. Thereby, the user can intuitively see the appearance effect of the superimposition of at least two pattern layers, and realize a richer, more three-dimensional and more layered appearance effect.
  • the adhesive film (including the first adhesive film and the second adhesive film) may include polyvinyl butyral (PVB), ethylene-methyl Acrylate copolymer, ionic film (SGP, such as ionic film containing about 1% sodium ion) film, ethylene-vinyl acetate copolymer (EVA) film, thermoplastic polyurethane elastomer rubber (TPU) and epoxy At least one of propane (PO).
  • PVB polyvinyl butyral
  • SGP ionic film
  • EVA ethylene-vinyl acetate copolymer
  • TPU thermoplastic polyurethane elastomer rubber
  • PO propane
  • the thickness of the adhesive film may be 25 microns to 100 microns, such as 25 microns, 30 microns, 35 microns, 40 microns, 45 microns, 50 microns, 55 microns, 60 microns, 65 microns, 70 microns, 75 microns, 80 microns, 85 microns, 90 microns, 95 microns, 100 microns, etc.
  • the other parts in the laminated glass all have a certain light transmittance.
  • a background color layer is usually required.
  • a bottom color layer is provided on the lower surface of the glass member located at the lowermost layer, which can not only reflect the richer appearance effect, but also not affect the decoration.
  • Layer for occlusion Specifically, the specific color of the background color layer is not particularly limited, and those skilled in the art can flexibly choose according to actual needs.
  • the undercoat layer may have a single-layer structure or a multi-layer structure. For example, it may be a paint layer or an ink layer having a predetermined color, or it may include multiple layers of a primer layer and a colored paint layer.
  • the present application provides an electronic device housing.
  • at least a part of the housing of the electronic device is formed of the aforementioned laminated glass.
  • the electronic device housing has the appearance of superimposing different textures, colors, and patterns, achieving multiple layers, special optical colors, and brilliant visual effects, which can greatly satisfy the user's pursuit of beauty and improve the user experience.
  • the specific shape, structure, and size of the electronic device housing are not particularly limited, and those skilled in the art can flexibly choose according to the specific requirements of the electronic device. Specifically, referring to FIGS. 1 to 5, including but not lowered For flat structure, 2.5D structure and 3D structure.
  • the present application provides an electronic device.
  • the electronic device includes the aforementioned electronic device housing.
  • the electronic device has the appearance of superimposing different textures, colors, and patterns, realizes multi-layers, special optical colors, and brilliant visual effects, which can greatly satisfy the user's pursuit of beauty and improve the user experience.
  • the specific type of the electronic device is not particularly limited, and may be any known electronic device, including but not limited to mobile phones, tablet computers, game consoles, wearable devices, AR devices, VR devices, etc. Etc., and those skilled in the art can understand that, in addition to the aforementioned electronic device housing, the electronic device also includes the structures and components necessary for conventional electronic devices, such as a mobile phone as an example, which also includes a touch screen , Display screen, CPU, camera module, fingerprint recognition module, sound processing system, necessary circuit structure, etc., will not repeat them here.
  • the present application provides a method for preparing the aforementioned laminated glass. According to an embodiment of the present application, referring to FIG. 6, the method includes:
  • S100 Provide at least two glass pieces.
  • the glass pieces involved in this step are consistent with the foregoing description, and will not be repeated here.
  • the preparation method of the glass piece is not particularly limited, and those skilled in the art can flexibly choose according to needs.
  • the glass sheet may be sequentially cut, CNC machined, polished, edging, or chemically strengthened to obtain a flat glass piece.
  • the above A hot bending process is added before the polishing process. Thereby, glass pieces with a predetermined shape and size can be obtained conveniently and quickly. The process is mature and easy for industrial production.
  • S200 Form a decorative layer on at least two surfaces of the glass piece.
  • forming the decorative layer includes at least one of the following steps (1), (2), and (3): (1) etching the upper surface of the first glass member to form an inscription Etching the texture; (2) Using vacuum coating or chemical coating to form the optical coating layer; (3) Using screen printing method to form the pattern layer.
  • the etching texture may be formed by etching the surface of the glass member by wet etching or dry etching. Wet etching may be performed by contacting the surface of the glass member with an etching solution, and dry etching may be performed by etching the surface of the glass member using an etching gas.
  • a protection pattern may be formed on the upper surface of the glass piece in advance (for example, it may be formed by a photolithography method), then the surface of the glass piece not protected by the protection pattern is etched, and then the protection pattern is removed To get the etched texture.
  • the etching texture is a matte surface texture
  • the surface of the glass piece can be directly brought into contact with the etching liquid, and the matte surface texture of different haze can be obtained by adjusting the composition of the etching liquid and the etching time.
  • the etching texture is formed by directly etching the glass piece, in order to better ensure the mechanical properties of the glass, a step of chemically strengthening the glass piece after forming the etching texture can be performed.
  • the optical coating layer may be formed by a coating method, such as, but not limited to, vacuum coating (such as vacuum evaporation coating, vacuum sputtering coating, etc.) and chemical coating, etc.
  • a coating method such as, but not limited to, vacuum coating (such as vacuum evaporation coating, vacuum sputtering coating, etc.) and chemical coating, etc.
  • the specific coating parameters are those skilled in the art It can be flexibly adjusted and selected according to the actual situation. As a result, the operation is simple, convenient, and the process is mature, which is conducive to industrial production.
  • the pattern layer may be formed by the method of screen printing. Specifically, ink may be poured on one end of the screen printing plate, and a certain pressure may be applied to the ink portion of the screen printing plate with a scraping blade, while Moving towards the other end of the screen printing plate, the ink is squeezed by the scraper from the mesh of the graphic part to the substrate during the movement.
  • Specific screen printing parameters can be flexibly selected by those skilled in the art according to specific requirements. Thereby, the pattern layer with the target shape can be obtained conveniently and quickly, and the operation is convenient, simple and fast, which is suitable for industrial production.
  • the adhesive film may be a pre-made film sheet, or may be formed by directly applying a slurry on the surface of the decorative layer or the surface of the glass and then undergoing a UV light curing process. As a result, the application range is wider.
  • the glass pieces and the adhesive film are alternately and stacked, which may be operated manually or by automated equipment.
  • the glass pieces and the adhesive film need to be positioned while being alternately and stacked, so that the glass pieces and the adhesive film are accurately aligned, the matching degree is better, and the avoidance is effectively avoided
  • the positioning process is performed by a positioning jig or a CCD image sensor.
  • the glass piece, the adhesive film, and the glass piece can be placed in a positioning jig in sequence, or the glass piece, the adhesive film, and the glass piece can be sequentially stacked together with high precision through a CCD image sensor .
  • a CCD image sensor a CCD image sensor
  • S400 Vacuum, heat and pressurize the laminated structure in sequence to obtain laminated glass.
  • the stacked structure in this step, may be placed in a hot-pressing tank for vacuuming treatment, wherein the specific type of the hot-pressing tank used is not particularly limited, and may be any known hot-pressing tank in the art .
  • the positioning jig and the laminated structure may be placed together in the autoclave.
  • vacuum treatment is performed at room temperature for 30 to 60 minutes, such as 30 minutes, 35 minutes, 40 minutes, 45 minutes, 50 minutes, 55 minutes, 60 minutes, etc.
  • the gas in the vacuum bag can be eliminated, which is beneficial to reduce the bubbles of the obtained laminated glass.
  • the gas can be effectively exhausted without wasting time and increasing costs due to the long time.
  • room temperature refers to 20-40 degrees Celsius, for example, 20 degrees Celsius, 21 degrees Celsius, 22 degrees Celsius, 23 degrees Celsius, 24 degrees Celsius, 25 degrees Celsius, 26 degrees Celsius, 27 degrees Celsius, 28 degrees Celsius, 29 degrees Celsius, 30 degrees Celsius, 35 degrees Celsius, 40 degrees Celsius, etc.
  • pressurization and heat treatment can make the glass piece and the adhesive film firmly bonded together, and the pressurization treatment can further drive off the bubbles in the laminated structure, thereby making the obtained interlayer
  • the glass is basically free of bubbles, the glass parts and the adhesive film are closely combined, and at the same time have good optical properties and mechanical properties.
  • pressing and heating the stacked structure may include heating the stacked structure to 90-150 degrees Celsius (such as 90 degrees Celsius, 95 degrees Celsius, 100 degrees Celsius, 105 degrees Celsius, 110 degrees Celsius, 115 degrees Celsius, 120 degrees Celsius, 125 degrees Celsius).
  • the glass pieces can be firmly bonded together through the adhesive film, and at the same time, the bubbles in the laminated structure can be effectively
  • the method further includes forming a background color layer on the lower surface of the glass member located at the lowermost layer.
  • a richer appearance effect can be well reflected, and the decorative layer is not blocked.
  • the specific color of the background color layer is not particularly limited, and those skilled in the art can flexibly choose according to actual needs.
  • the undercoat layer may have a single-layer structure or a multi-layer structure.
  • it may be a paint layer or an ink layer having a predetermined color, or it may include multiple layers of a primer layer and a colored paint layer.
  • the specific method for forming the background color layer includes, but is not limited to, coating, spraying, printing, and the like. Therefore, the operation is simple, fast, the process is mature, the cost is low, and it is suitable for industrial production.
  • ultra-thin glass with a thickness of 0.2mm-0.5mm can be cut, CNC machined, edge-scanned, hole-polished, and polished (3D glass requires a hot bending process before polishing).
  • Glass pieces, at least two glass pieces are etched toward the surface of the adhesive film to form an etched texture, and then a plurality of glass pieces are chemically strengthened, and then respectively coated with optical coating layers of different colors, respectively
  • An optical coating layer is formed on a plurality of surfaces formed with an etched texture, and a pattern layer (such as a LOGO or a window pattern) is silk-screened on the surface of the optical coating layer adjacent to the adhesive film.
  • the adhesive film with a thickness of 0.025-0.01mm (such as PVB, EVA, SGP film), etc., is cut into the size and size of the flat surface of the glass by laser or die cutting. Then place the glass pieces and adhesive film alternately in the positioning jig, place the above laminated structure in the jig after positioning, and put it in a hot-pressed tank to evacuate the equipment cavity, first cold-pump at room temperature for 30- 60min, then increase the temperature to 90-150 °C, bake for 30-60min, the pressure rises to 0.5-0.7MPa, continue to increase the temperature to 130-160 °C, increase the pressure to 1.2-1.5MPa; keep the insulation pressure for 30-60min, and finally cool down to room temperature After the pressure is reduced, the fusion of the adhesive film and the glass are completed.
  • the laminated glass obtained after compounding can show rich texture effect and optical effect through the combination of different etching, coating and screen printing.
  • Both the first glass piece (lower glass) and the second glass piece (upper glass) adopt 2.5D glass with a thickness of 0.4 mm, and the thickness of the PVB film is 0.05 mm, and a two-layer 2.5D composite process is performed.
  • the production process is as follows: 1Slicing, CNC processing, sweeping and sweeping, polishing and other processes of 0.4mm thick upper and lower glass; 2gradually etching the upper glass from the top to the middle position, and reaching the middle fog by controlling the etching time Low degree, the effect of gradually increasing the upper haze (the longer the etching time, the greater the haze), the lower glass is gradually etched from the bottom to the middle position, by controlling the etching time to reach the middle haze low, the lower haze
  • the effect of increasing gradually 3 strengthening the above etched glass; 4 plating the strengthened upper and lower glasses with blue and purple optical coatings; 5 printing the logo on the upper glass screen coated with optical coatings, Bake at 150 °C for 30min; 6 Put the lower glass into the jig, then the laser cut PVB diaphragm, and finally put into the upper glass, the positioning method can be achieved by means of jig and CCD.
  • Both the first glass piece (lower glass) and the second glass piece (upper glass) adopt 2.5D glass with a thickness of 0.4 mm, and the thickness of the PVB film is 0.05 mm, and a two-layer 2.5D composite process is performed.
  • the manufacturing process is as follows: 1Slicing, CNC machining, sweeping, and polishing of 0.4mm thick upper and lower glass; 2Each different texture etching of upper and lower glass; 3Strengthen the above etched glass ; 4 The strengthened upper and lower glasses are coated with blue and red optical coatings; 5 Print the ink pattern on the lower glass coated with optical coatings, and bake at 150 °C for 30min; 6 Put the lower glass into the jig first , And then put into the laser-cut PVB film, and finally put into the upper glass, its positioning method can be achieved by means of jigs, CCD and so on.
  • the upper glass uses 0.55mm
  • the lower glass uses 0.25mm thickness 2.5D glass
  • the PVB film thickness is 0.1mm
  • the two-layer 2.5D composite process is used.
  • the production process is as follows: 1Slicing, CNC machining, sweeping, and polishing the upper and lower glass; 2Each different texture etching of the upper and lower glass; 3Strengthen the above etched glass; 4 The lower surface of the upper glass is coated with different layers and thicknesses of optical coating layers by different targets to make it appear blue gradient, and the upper surface of the lower glass is coated with different layers and thickness of optical coating layers by different targets to make it appear Red gradation; 5 Print the ink on the upper surface of the lower glass plated with optical coating, and bake at 150 °C for 30min. 6Place the lower glass into the jig, then the laser-cut PVB diaphragm, and finally into the upper glass.
  • the positioning method can be achieved by means of jig and CCD. After positioning the product placed in the jig, place it in a hot-pressed tank, evacuate the cavity of the equipment, first cold-pump at room temperature for 30min, and then heat up to 100 °C for 30min, the pressure rises to 0.5MPa, continue to heat up to 160 °C , Increase the pressure to 1.5MPa; keep the heat and pressure for 60min, and finally reduce the temperature to room temperature and then reduce the pressure to complete the fusion of the film and the glass.
  • the colorful gradient texture effect is realized, and the problem that the single glass can only realize the gradient effect of the film layer with a relatively similar color is solved.
  • the upper glass uses 0.55mm
  • the lower glass uses 0.25mm thickness 2.5D glass
  • the PVB film thickness is 0.1mm
  • the two-layer 2.5D composite process is used.
  • the production process is as follows: 1Slicing, CNC machining, sweeping, and polishing the upper and lower glass; 2Each different texture etching of the upper and lower glass. 3Strengthen the above-mentioned etched glass; 4Coat the lower surface of the upper glass with different layers and thickness of optical coating layer to make it appear purple gradation, and plate different layers on the upper surface of the lower glass with different targets Count and thickness of the optical coating layer to make it appear orange gradation; 5 Screen printing ink on the upper surface of the lower glass plated with the optical coating layer, baking at 150 °C for 30min; 6 Put the lower glass into the jig first, then put The laser-cut PVB diaphragm is finally placed on the upper glass, and its positioning method can be achieved by means of jigs and CCD.
  • the product placed in the jig place it in a hot-pressed tank, evacuate the cavity of the equipment, first cold-pump at room temperature for 30min, and then heat up to 100 °C for 30min, the pressure rises to 0.5MPa, continue to heat up to 160 , Increase the pressure to 1.5MPa; keep the heat and pressure for 60min, and finally reduce the temperature to room temperature and then reduce the pressure to complete the fusion of the film and the glass. Therefore, the colorful gradient texture effect is realized through the refraction of different colors, which solves the problem that the single glass can only achieve the gradient effect of the film layer with a relatively similar color.
  • the upper, middle and lower glass are made of 0.25mm thickness 2.5D glass, the thickness of PVB film is 0.075mm, and a three-layer 2.5D composite process is carried out.
  • the production process is as follows: 1Slicing, CNC processing, sweeping, sweeping and polishing the upper, middle and lower glass; 2 Texture etching the lower surface of the upper glass. 3Strengthen the upper, middle and lower glass; 4Coat the strengthened upper and lower glass respectively with a gradual red optical coating; 5Print the ink on the lower surface of the upper glass plated with optical coating and bake at 150 °C for 30min; 6 Put the lower glass into the jig first, and then put the laser-cut PVB diaphragm, medium glass, PVB diaphragm and upper glass in sequence.
  • the positioning method can be achieved by means of jig and CCD.
  • Example 2 Same as Example 1, except that before compounding, it also includes forming a background color layer on the lower surface of the lower glass.
  • Example 5 Same as Example 5, except that the upper surface of the middle glass is also etched to form an etched texture, and a transparent optical coating layer is formed on the etched texture.
  • Example 7 Same as Example 7, except that no decoration layer is formed on the upper surface of the lower glass.
  • first and second are used for description purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
  • the features defined as “first” and “second” may explicitly or implicitly include one or more of the features.
  • the meaning of “plurality” is two or more, unless otherwise specifically limited.

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  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
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  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
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  • Joining Of Glass To Other Materials (AREA)
  • Glass Compositions (AREA)

Abstract

一种夹层玻璃及其制备方法、电子设备壳体和电子设备，该夹层玻璃包括层叠设置的至少两个玻璃件和至少一个粘结膜，该玻璃件和该粘结膜交替设置，其中，至少该两个玻璃件朝向粘结膜的表面上具有装饰层，至少该两个装饰层各自独立的包括刻蚀纹理、光学镀膜层和图案层中的至少之一。

Description

夹层玻璃及其制备方法、电子设备壳体和电子设备
优先权信息
本申请请求2018年10月18日向中国国家知识产权局提交的、专利申请号为201811214931.6的专利申请的优先权和权益，并且通过参照将其全文并入此处。
技术领域
本申请涉及电子设备技术领域，具体地，涉及夹层玻璃及其制备方法、电子设备壳体和电子设备。
背景技术
现有夹层玻璃实际应用基本限于建筑、汽车等领域，但由于其较好的力学性能、抗跌落性能等，其在电子设备上也具有广泛的应用前景，但目前夹层玻璃的装饰多采用在单层玻璃上进行丝印、夹丝等方法，装饰效果比较单一，且外观无法满足电子设备壳体外观需求，因而，目前关于夹层玻璃的装饰技术仍有待改进。
发明内容
本申请提出一种能够实现不同刻蚀纹理、不同颜色和不同图案叠加的外观、呈现多层次、立体感强、特殊光学色彩或者绚丽外观效果的夹层玻璃。
在本申请的一个方面，本申请提供了一种夹层玻璃。根据本申请的实施例，该夹层玻璃包括层叠设置的至少两个玻璃件和至少一个粘结膜，所述玻璃件和所述粘结膜交替设置，其中，至少两个所述玻璃件朝向所述粘结膜的表面上具有装饰层，至少两个所述装饰层各自独立的包括刻蚀纹理、光学镀膜层和图案层中的至少之一。发明人发现，该夹层玻璃中在至少两个玻璃件朝向粘结层的表面上均设置有装饰层，能够实现不同刻蚀纹理、不同颜色和不同图案叠加的外观，呈现特殊光学色彩或者绚丽外观效果，且不同纹理、光学镀膜层和图案位于不同的平面上，距离用户的距离不同，能够呈现多层次、立体感强的特殊外观效果，该夹层玻璃能够有效用于电子设备，满足电子设备的外观要求和用户对美感的追求，进而提高用户体验。
在本申请的另一方面，本申请提供了一种电子设备壳体。根据本申请的实施例，该电子设备壳体的至少一部分是由前面所述的夹层玻璃形成的。由此，该电子设备壳体具有不同纹理、颜色和图案叠加的外观，实现多层次、特殊光学色彩和绚丽的视觉效果，能够大 大满足用户对美感的追求，提高用户体验。
在本申请的再一方面，本申请提供了一种制备前面所述的夹层玻璃的方法。根据本申请的实施例，该方法包括：提供至少两个玻璃件；在所述玻璃件的至少两个表面上形成装饰层；将所述玻璃件和粘结膜交替、层叠放置，得到层叠结构；对所述层叠结构依次进行抽真空和加热加压处理，得到夹层玻璃。由此，该方法步骤简单，操作容易，工艺成熟，适于工业化生产，且获得的夹层玻璃具有不同纹理、图案和颜色的叠加外观，呈现多层次、特殊光学色彩和绚丽的视觉效果。
附图说明
图1是本申请一个实施例的夹层玻璃的剖面结构示意图。
图2是本申请另一个实施例的夹层玻璃的剖面结构示意图。
图3是本申请另一个实施例的夹层玻璃的剖面结构示意图。
图4是本申请另一个实施例的夹层玻璃的剖面结构示意图。
图5是本申请另一个实施例的夹层玻璃的剖面结构示意图。
图6是本申请一个实施例的制备夹层玻璃的方法的流程示意图。
图7是本申请另一个实施例的夹层玻璃的剖面结构示意图。
图8是本申请另一个实施例的夹层玻璃的剖面结构示意图。
具体实施方式
下面详细描述本申请的实施例。下面描述的实施例是示例性的，仅用于解释本申请，而不能理解为对本申请的限制。实施例中未注明具体技术或条件的，按照本领域内的文献所描述的技术或条件或者按照产品说明书进行。所用试剂或仪器未注明生产厂商者，均为可以通过市购获得的常规产品。
在本申请的一个方面，本申请提供了一种夹层玻璃。该夹层玻璃包括层叠设置的至少两个玻璃件和至少一个粘结膜，所述玻璃件和所述粘结膜交替设置，其中，至少两个所述玻璃件朝向所述粘结膜的表面上具有装饰层，至少两个所述装饰层各自独立的包括刻蚀纹理、光学镀膜层和图案层中的至少之一。发明人发现，该夹层玻璃中在至少两个玻璃件朝向粘结层的表面上均设置有装饰层，能够实现两层或多于两层的不同刻蚀纹理、不同颜色和不同图案叠加的外观，呈现特殊光学色彩或者绚丽外观效果，且不同纹理、光学镀膜层和图案位于不同的平面上，距离用户的距离不同，能够呈现多层次、立体感强的特殊外观效果，该夹层玻璃能够有效用于电子设备，满足电子设备的外观要求和用户对美感的追求， 进而提高用户体验。
需要说明的是，本申请的夹层玻璃中可以包括两个及两个以上的玻璃件，其中玻璃件和粘结膜交替设置，且夹层玻璃的最上层和最下层均为玻璃件，另外，本文中采用的描述方式“至少两个所述玻璃件朝向所述粘结膜的表面上具有装饰层”是指夹层玻璃中除去最上层玻璃件的上表面和最下层玻璃件的下表面，其他所有玻璃件的上表面和下表面中的至少两个上具有装饰层，例如，夹层玻璃具有两个玻璃件时，则最上层玻璃件的下表面和最上层玻璃件的上表面具有装饰层；当夹层玻璃具有三个玻璃件时，最下层玻璃件的上表面、中层玻璃件的上表面、中层玻璃件的下表面和最上层玻璃件的下表面中的至少两个上具有装饰层；当夹层玻璃具有更多个玻璃件时，以此类推。
根据本申请的实施例，参照图1和图2，该夹层玻璃包括由下至上层叠设置的第一玻璃件10、第一粘结膜20和第二玻璃件30，其中，所述第一玻璃件10的上表面和所述第二玻璃件的下表面上均具有装饰层40，所述装饰层40包括刻蚀纹理41、光学镀膜层42和图案层43中的至少之一。该夹层玻璃中在第一玻璃件和第二玻璃件靠近第一粘结膜的表面上均设置有装饰层，能够实现不同刻蚀纹理、不同颜色和不同图案叠加的外观，呈现特殊光学色彩或者绚丽外观效果，且不同纹理、光学镀膜层和图案位于不同的平面上，距离用户的距离不同，能够呈现多层次、立体感强的特殊外观效果，该夹层玻璃能够有效用于电子设备，满足电子设备的外观要求和用户对美感的追求，进而提高用户体验。
根据本申请的实施例，参照图7和图8，该夹层玻璃包括由下至上层叠设置的第一玻璃件10、第二粘结层50、第三玻璃件60、第一粘结层20和第二玻璃件30，其中，所述第一玻璃件10的上表面、所述第二玻璃件20的下表面、所述第三玻璃件60的上表面和所述第三玻璃件60的下表面中的至少两个上具有所述装饰层(图7和图8只是示例性示出两种情况，并不能理解为对本申请的限制)。该夹层玻璃中在不同的表面上设置有至少两个装饰层，能够实现不同刻蚀纹理、不同颜色和不同图案叠加的外观，呈现特殊光学色彩或者绚丽外观效果，且不同纹理、光学镀膜层和图案位于不同的平面上，距离用户的距离不同，能够呈现多层次、立体感强的特殊外观效果，该夹层玻璃能够有效用于电子设备，满足电子设备的外观要求和用户对美感的追求，进而提高用户体验。
根据本申请的实施例，至少两个玻璃件(包括第一玻璃件、第二玻璃件和第三玻璃件)的具体成分没有限制要求，本领域技术人员可以根据需要灵活选择，例如包括但不限于各自独立的为盖板玻璃(包括高铝高碱的铝硅酸盐玻璃和钠钙硅玻璃等)、触控屏基板玻璃(如不含碱和重金属(砷、锑、钡)的碱土焦硼酸钠-铝硅酸盐玻璃、钠玻璃及中性硅酸硼玻璃等)、显示屏基板玻璃(如不含碱和重金属(砷、锑、钡)的碱土焦硼酸钠-铝硅酸盐玻璃、 钠玻璃及中性硅酸硼玻璃等)和TFT显示屏屏幕基板玻璃(包括但不限于康宁Eagle XG、Eagle XG Silm、Willow等不含碱和重金属(砷、锑、钡)的碱土焦硼酸钠-铝硅酸盐玻璃品牌玻璃)等。在本申请的一些实施例中，为了满足对强度等机械性能的使用要求，玻璃件可以进行强化处理，如化学强化等，由此可以显著提高玻璃件的强度，获得更好的使用性能。
根据本申请的实施例，至少两个玻璃件的厚度可以各自独立的为0.2毫米～0.5毫米，如0.2mm、0.25mm、0.3mm、0.35mm、0.4mm、0.45mm、0.5mm等。一些实施例中，夹层玻璃中至少两个玻璃件的厚度可以相等，另一些实施例中，至少两个玻璃件的厚度可以不同，具体的可以根据实际需要灵活选择。由此，可以满足不同条件下的使用要求，且该厚度范围内的玻璃件互相配合，夹层玻璃的力学性能、外观、光学性能相对其他厚度范围的玻璃件更佳，既能够满足电子设备壳体的使用要求，且结合装饰层可以实现更加多变、立体感更强、层次感更好、更绚丽和多彩的外观效果。相对于上述厚度范围，如果玻璃件的厚度过厚，则夹层玻璃厚度较厚，外观不美观，不适于电子设备壳体、触控屏或显示屏的应用，如果玻璃件的厚度过薄，则夹层玻璃的力学性能较差，不满足使用要求。
根据本申请的实施例，至少两个玻璃件的具体形状和结构没有限制要求，可以包括但不限于平板玻璃件、2.5D玻璃件、3D玻璃件和其他复杂结构和形状的玻璃件等。其中，夹层玻璃中至少两个玻璃件的形状和结构可以相同，也可以不同，例如夹层玻璃含有第一玻璃件、第一粘结膜和第二玻璃件时，第一玻璃件和第二玻璃件可以为采用形状不同的两个平板玻璃件，也可以第一玻璃件为平板玻璃件，而第二玻璃件为2.5D玻璃件。在本申请的一些实施例中，为了获得更好的使用效果，第一玻璃件、第二玻璃件和第一粘结膜相对应的位置形状相匹配，例如第一玻璃件10为2.5D玻璃件而第二玻璃件30为平板玻璃件时，平板玻璃件的一个平面表面通过第一粘结膜20和2.5D玻璃件的平面表面对应层叠设置(结构示意图参见图3)。在本申请的一些实施例中，第一玻璃件和第二玻璃件的形状和结构可以一致，由此，可以很好的配合设置、紧密结合，得到基本无气泡、轮廓度和平面度较小、使用性能佳的夹层玻璃。具体的，在本申请的一些实施例中，第一玻璃件10和第二玻璃件30均为平板玻璃(结构示意图参见图1和图2)，另一些实施例中第一玻璃件10和第二玻璃件30均为2.5D玻璃(结构示意图参见图4)，又一些实施例中，第一玻璃件10和第二玻璃件30均为3D玻璃(结构示意图参见图5)。针对上述不同结构的玻璃件，第一粘结膜可以为平面膜层，也可以为与玻璃件结构和形状一致的膜层，由于第一粘结膜具有较好的加工性，可以很好的缓冲第一玻璃件和第二玻璃件之间的配合问题，使得三者紧密结合，同时第一粘结膜可以大大提高玻璃件的强度和抗跌落性能，且破碎时不会发生玻璃飞溅， 安全性较好。当然，本领域技术人员可以理解，当夹层玻璃包括三个或者更多个玻璃件时，其具体形状和结构与第一玻璃件和第二玻璃件类似，在此不再一一赘述。
根据本申请的实施例，参照图2，装饰层40包括刻蚀纹理41、光学镀膜层42和图案层43，但需要说明的是，实际应用时，装饰层40可以为单层结构，即仅包括刻蚀纹理41、光学镀膜层42或图案层43，可以为双层结构，即包括仅包括刻蚀纹理41和光学镀膜层42、刻蚀纹理41和图案层43，或者光学镀膜层42和图案层43；也可以为三层结构，即同时包括刻蚀纹理41、光学镀膜层42和图案层43；夹层玻璃中的至少两个装饰层的层结构可以相同，也可以不同，例如可以多个装饰层均为单层、双层或三层结构；也可以一装饰层为单层结构，另一装饰层为双层结构等等，具体可以根据目标外观效果灵活选择。
根据本申请的实施例，装饰层中刻蚀纹理、光学镀膜层和图案层的层叠顺序和位置是不受特别限制的，只要满足制作和使用要求本领域技术人员可以根据需要灵活选择。当装饰层中含有刻蚀纹理时，由于刻蚀纹理通常是通过对所述玻璃件的表面进行刻蚀形成的，也就是说刻蚀纹理是直接形成在玻璃件的表面上的，因此刻蚀纹理靠近玻璃件设置，光学镀膜层和图案层位于刻蚀纹理靠近粘结膜的一侧，而光学镀膜层和图案层的相对位置可以灵活调整，因此，在本申请的一些实施例中，装饰层40可以包括依次层叠设置的刻蚀纹理41、图案层43和光学镀膜层42；也可以包括依次层叠设置的刻蚀纹理41、光学镀膜层42和图案层43；当装饰层不包括刻蚀纹理时，装饰层可以包括层叠设置的光学镀膜层和图案层，其中，可以光学镀膜层直接设置在玻璃件的表面上，也可以图案层直接设置在玻璃件的表面上。另外，夹层玻璃中的至少两个装饰层的层结构、其中各层的层叠顺序等均可以相同，也可以不同。
根据本申请的实施例，刻蚀纹理可以是任何形状的花纹和线条，例如花纹和线条可以构成图案，即图案纹理，可以是各种形状的条纹，即条纹纹理，也可以通过刻蚀纹理使得玻璃件呈现雾面效果，即雾面纹理，还可以通过调整纹理的粗细(有细逐渐变粗等)、大小(由小逐渐变大等)、相邻纹理之间的间隔(间隔距离逐渐增大或减小等)或者雾度(雾度逐渐增大或逐渐减小)等逐渐变化，而呈现渐变纹理。而且，夹层玻璃中的至少两个装饰层中的刻蚀纹理的形状可以相同，也可以不同，其在玻璃件上的正投影可以重叠、完全不重叠或部分重叠等等，由此，可以通过多个刻蚀纹理实现不同位置、不同形状等的配合和叠加外观效果。
根据本申请的实施例，光学镀膜层可以是本领域一些已知的镀膜层，本领域技术人员可以根据使用要求灵活选择，例如，包括但不限于氧化钛镀膜层、氧化硅镀膜层和氧化锆镀膜层中的至少一种，具体形成方法可以为真空蒸发镀膜、磁控溅射镀膜等方式。在本申 请的一些实施例中，由于材质不同、厚度不同的光学镀膜层的折射率、颜色等均不相同，可通过调整氧化钛镀膜层、氧化硅镀膜层、氧化锆镀膜层等的先后顺序与叠加层数来实现渐变色等等更加丰富的镀膜外观效果。在本申请的一些实施例中，镀膜层可以为透明的，可以调整镀膜层的折射率等光学性能变化进一步结合底色层的颜色实现绚丽多彩的外观效果。在本申请的另一些实施例中，光学镀膜层可以具有预定颜色，由此，可以使得夹层玻璃具有不同颜色叠加的外观效果，呈现更绚丽多彩的光学色彩。具体的，夹层玻璃中的至少两个装饰层中的光学镀膜层的层结构、材质、厚度和预定颜色可以相同，也可以不同，其中，预定颜色可以各自独立的包括红、黄、蓝、绿、紫、粉等等颜色，还可以为多个颜色配合的渐变颜色等等，另外还可以是光学镀膜层上的部分位置具有预定颜色，且可以对具有预定颜色的位置进行灵活选择，从而可以在一定的三维空间内实现不同颜色的配合作用，进而呈现立体、多层次、绚丽多彩的外观效果。
根据本申请的实施例，图案层的具体形状没有特别限制，本领域技术人员可以根据满足用户要求的外观进行选择。具体地，图案层的形状可以各自独立的为几何图案(如各种几何图形)、物体图形(如卡通图案、人物图案、植物图案和花朵图案等等)和标识信息(如品牌标识、型号标识、运营商标识等等)。在本申请一些具体实施例中，该夹层玻璃实际使用时位于最上层的玻璃件靠近用户设置，为了使得标识信息更突出和明显，位于最上层的图案层可以包括镜面银标识(logo)，同时由于用户的观看方向是从上至下的方向，位于最上层的图案层可以为设置在玻璃件四周的视窗图案，从而可以有效标识出视窗区域。在本申请的一些实施例中，图案层是由油墨形成的，由于油墨不透光，会遮挡下方的颜色图案，因此，为了更好的实现叠加外观，当夹层玻璃具有至少两个图案层时，至少两个图案层在玻璃件上的正投影至少部分不重叠区域。一些具体实施例中，至少两个所述图案层在玻璃件上的正投影不存在重叠区域。由此，用户可以直观的看到至少两个图案层叠加的外观效果，实现更丰富、更立体和更多层次的外观效果。
根据本申请的实施例，为了获得更好的光学性能和力学性能，粘结膜(包括第一粘结膜和第二粘结膜)可以包括聚乙烯醇缩丁醛(PVB)、乙烯-甲基丙烯酸酯共聚物，离子型胶片(SGP，如可以为含有1％左右钠离子的离子型胶片)膜、乙烯-醋酸乙烯共聚物(EVA)膜、热塑性聚氨酯弹性体橡胶(TPU)和环氧丙烷(PO)中的至少一种。由此，粘结膜具有较好的粘结力和透过率，且能够使得获得的夹层玻璃具有较佳的强度和抗跌落性能。根据本申请的实施例，所述粘结膜的厚度可以为25微米～100微米，如25微米、30微米、35微米、40微米、45微米、50微米、55微米、60微米、65微米、70微米、75微米、80微米、85微米、90微米、95微米、100微米等。由此，既能够保证具有较好的光学性能、强 度和抗跌落性能等力学性能，能够较好的缓冲相邻两个玻璃件之间的不匹配问题，且厚度较薄，能够满足电子设备壳体的使用要求。
根据本申请的实施例，除了油墨形成的图案层对应的位置处，夹层玻璃中的其他部分均具有一定的透光性，为了更好地体现外观效果，通常需要底色层，在本申请的实施例中，为了不影响多层次、立体的外观效果，在位于最下层的玻璃件的下表面上设置有底色层，由此既能够良好的体现更加丰富的外观效果，且不会对装饰层进行遮挡。具体地，底色层的具体颜色不受特别限制，本领域技术人员可以根据实际需要灵活选择。而且，底色层可以为单层结构，也可以为多层结构，例如可以为一层具有预定颜色的漆层或油墨层，也可以包括多层的底漆层和色漆层。
在本申请的另一方面，本申请提供了一种电子设备壳体。根据本申请的实施例，该电子设备壳体的至少一部分是由前面所述的夹层玻璃形成的。由此，该电子设备壳体具有不同纹理、颜色和图案叠加的外观，实现多层次、特殊光学色彩和绚丽的视觉效果，能够大大满足用户对美感的追求，提高用户体验。
根据本申请的实施例，该电子设备壳体的具体形状、结构和尺寸没有特别限制，本领域技术人员可以根据电子设备的具体要求灵活选择，具体地，参照图1至图5，包括但不下于平板状结构、2.5D结构和3D结构等。
根据本申请的又一方面，本申请提供了一种电子设备。根据本申请的实施例，该电子设备包括前面所述的电子设备壳体。由此，该电子设备具有不同纹理、颜色和图案叠加的外观，实现多层次、特殊光学色彩和绚丽的视觉效果，能够大大满足用户对美感的追求，提高用户体验。
根据本申请的实施例，该电子设备的具体种类没有特别限制要求，可以为任何已知的电子设备，例如包括但不限于手机、平板电脑、游戏机、可穿戴设备、AR设备、VR设备等等，且本领域技术人员可以理解，除了前面所述的电子设备壳体之外，该电子设备还包括常规电子设备所必备的结构和部件，如以手机为例，其还包括触控屏、显示屏、CPU、照相模组、指纹识别模组、声音处理系统、必要的电路结构等等，在此不再过多赘述。
在本申请的再一方面，本申请提供了一种制备前面所述的夹层玻璃的方法。根据本申请的实施例，参照图6，该方法包括：
S100：提供至少两个玻璃件。
根据本申请的实施例，该步骤中涉及的玻璃件与前文描述一致，在此不再一一赘述。
根据本申请的实施例，玻璃件的制备方法没有特别限制，本领域技术人员可以根据需要灵活选择。具体的，在本申请的一些实施例中，可以依次对玻璃片进行切割、数控机床 加工、抛光、扫边或化学强化等处理，得到平板玻璃件，对于2.5或3D玻璃件，则可以在上述抛光工序之前增加热弯工序。由此，可以方便、快速的获得具有预定形状和尺寸的玻璃件，工艺成熟，易于工业化生产。
S200：在所述玻璃件的至少两个表面上形成装饰层。
根据本申请的实施例，形成装饰层包括下述(1)、(2)和(3)中的至少一个步骤：(1)对所述第一玻璃件的上表面进行刻蚀，以形成刻蚀纹理；(2)利用真空镀膜或化学镀膜的方法形成光学镀膜层；(3)利用丝印方法形成图案层。
根据本申请的实施例，刻蚀纹理可以通过湿法刻蚀或干法刻蚀对玻璃件的表面进刻蚀而形成。湿法刻蚀可以是将玻璃件的表面与刻蚀液接触进行，干法刻蚀可以是利用刻蚀气体对玻璃件表面进行刻蚀。当刻蚀纹理具有预定形状时，可以在玻璃件的上表面上预先形成保护图案(例如可以通过光刻方法形成)，接着对未被保护图案保护的玻璃件表面进行刻蚀，然后去除保护图案，从而得到刻蚀纹理。当刻蚀纹理为雾面纹理时，可以直接使玻璃件表面与刻蚀液接触，可以通过调整刻蚀液的成分、刻蚀时间等获得不同雾度的雾面纹理。此外，需要说明的是，由于刻蚀纹理是直接对玻璃件进行刻蚀形成，为了更好的保证玻璃的力学性能，可以在形成刻蚀纹理之后对玻璃件进行化学强化的步骤。
根据本申请的实施例，光学镀膜层可以采用镀膜的方法形成，例如包括但不限于真空镀膜(如真空蒸发镀膜、真空溅射镀膜等)和化学镀膜等方法，具体的镀膜参数本领域技术人员可以根据实际情况灵活调整和选择。由此，操作简单、方便，工艺成熟，利于工业化生产。
根据本申请的实施例，图案层可以通过丝印的方法形成，具体地，可以在丝网印版一端上倒入油墨，用刮印刮板在丝网印版上的油墨部位施加一定压力，同时朝丝网印版另一端移动，油墨在移动中被刮板从图文部分的网孔中挤压到承印物上，具体的丝印参数本领域技术人员可以根据具体要求灵活选择。由此，可以方便快速地获得具有目标形状的图案层，操作方便、简单、快速，适合工业化生产。
S300：将所述玻璃件和粘结膜交替、层叠放置，得到层叠结构。
根据本申请的实施例，粘结膜可以是预先制成的膜片，也可以是直接在装饰层的表面或玻璃件的表面上涂覆浆料然后经过UV光固化工艺后形成的。由此，应用范围更广泛。
根据本申请的实施例，将玻璃件和粘结膜交替、层叠放置，可以是手动操作，也可以是通过自动化的设备操作。为了获得的夹层玻璃使用性能更加，精确度更高，将玻璃件和粘结膜交替、层叠放置的同时需要定位处理，以使得玻璃件和粘结膜精准对位，匹配度更好，有效避免加工过程中出现各种不良和缺陷，提高获得的夹层玻璃的使用性能。在本申 请的一些实施例中，定位处理是通过定位治具或CCD图像传感器进行的。具体的，可以依次将玻璃件、粘结膜和所述玻璃件放置于定位治具中，也可以通过CCD图像传感器高精度的将玻璃件、粘结膜和所述玻璃件依次层叠设置在一起。由此，可以保证玻璃件和粘结膜精确地对位配合，有利于提高玻璃件和粘结膜之间配合度，进而提高获得的夹层玻璃的外观、光学性能、力学性能等使用性能。
S400：对所述层叠结构依次进行抽真空和加热加压处理，得到夹层玻璃。
根据本申请的实施例，该步骤中可以将层叠结构置于热压罐中进行抽真空处理，其中，采用的热压罐的具体种类没有特别限制，可以为本领域任何已知的热压罐。根据本申请的实施例，为了保证粘结膜和玻璃件之间对位精准，该步骤中可以将定位治具和层叠结构一并放置在热压罐内。
根据本申请的实施例，该步骤中于室温下进行抽真空处理30～60分钟，如30分钟、35分钟、40分钟、45分钟、50分钟、55分钟、60分钟等。由此，可以排除真空袋内的气体，有利于减少获得的夹层玻璃的气泡。且上述时间范围内，既能够有效排出气体，且不会因时间过长而浪费时间和增加成本。
其中，需要说明的是，本文中采用的描述方式“室温”是指20～40摄氏度，例如可以为20摄氏度、21摄氏度、22摄氏度、23摄氏度、24摄氏度、25摄氏度、26摄氏度、27摄氏度、28摄氏度、29摄氏度、30摄氏度、35摄氏度、40摄氏度等。
根据发明的实施例，在该步骤中，进行加压、加热处理可使得玻璃件和粘结膜牢固地结合在一起，且加压处理可以进一步赶走层叠结构中的气泡，从而使得获得的夹层玻璃基本没有气泡，玻璃件和粘结膜紧密结合，同时具有较好的光学性能和力学性能。具体的，对层叠结构进行加压、加热处理可以包括：将所述层叠结构加热至90-150摄氏度(如90摄氏度、95摄氏度、100摄氏度、105摄氏度、110摄氏度、115摄氏度、120摄氏度、125摄氏度、130摄氏度、135摄氏度、140摄氏度、145摄氏度或150摄氏度)，加压至0.5-0.7MPa(如0.5MPa、0.55MPa、0.6MPa、0.65MPa或0.7MPa)，并保持30-60分钟(如30分钟、35分钟、40分钟、45分钟、50分钟、55分钟或60分钟)；然后继续将所述层叠结构加热至130-160摄氏度(如130摄氏度、135摄氏度、140摄氏度、145摄氏度、150摄氏度、155摄氏度或160摄氏度)，加压至1.2-1.5MPa(如1.2MPa、1.25MPa、1.3MPa、1.35MPa、1.4MPa、1.45MPa或1.5MPa)，并保持30-60分钟(如30分钟、35分钟、40分钟、45分钟、50分钟、55分钟或60分钟)。由此，玻璃件可以牢固地通过粘结膜结合在一起，同时能够有效赶走层叠结构中的气泡，使得获得的夹层玻璃同时具有较好的光学性能和力学性能。
根据本申请的实施例，为了更好的体现外观效果，该方法还包括在位于最下层的玻璃件的下表面上形成底色层。由此既能够良好的体现更加丰富的外观效果，且不会对装饰层进行遮挡。具体地，底色层的具体颜色不受特别限制，本领域技术人员可以根据实际需要灵活选择。而且，底色层可以为单层结构，也可以为多层结构，例如可以为一层具有预定颜色的漆层或油墨层，也可以包括多层的底漆层和色漆层。形成底色层的具体方法包括但不限于涂覆、喷涂、打印等等方法，由此，操作简单、快速，工艺成熟，成本较低，且适于工业化生产。
根据本申请的一些具体实施例，可以对厚度为0.2mm-0.5mm的超薄玻璃进行切割、CNC加工、扫边扫孔、抛光、(3D玻璃需要抛光前增加热弯工艺)处理，得到多个玻璃件，将至少连个玻璃件朝向粘结膜的表面进行刻蚀以分别形成刻蚀纹理，然后对多个玻璃件进行化学强化，再分别镀上不同颜色的光学镀膜层，以分别在多个形成有刻蚀纹理的表面上形成光学镀膜层，并在光学镀膜层靠近粘结膜的表面上丝印上图案层(如LOGO或视窗图案)。将厚度为0.025-0.01mm的粘结膜(如PVB、EVA、SGP膜)等通过激光或模切的方法，切割成与玻璃件平面展开图大小尺寸。然后将玻璃件、粘结膜依次交替放入定位治具中，将以上放入治具中的层叠结构定位后放入热压罐中，对设备腔体进行抽真空，先室温冷抽30-60min，再升温至90-150℃烘烤30-60min，压力升至0.5-0.7MPa，继续升温至130-160℃，升压至1.2-1.5MPa；保温保压30-60min，最后降温至室温后降压，完成粘结膜的熔接与玻璃件的复合。复合后得到的夹层玻璃可通过不同蚀刻与镀膜、丝印的搭配，呈现丰富的纹理效果与光学效果。
发明人发现，该方法步骤简单，操作容易，工艺成熟，适于工业化生产，且获得的夹层玻璃具有不同纹理、图案和颜色的叠加外观，呈现多层次、特殊光学色彩和绚丽的视觉效果。
下面详细描述本申请的实施例。
实施例1
第一玻璃件(下玻璃)和第二玻璃件(上玻璃)均采用0.4mm厚度的2.5D玻璃，PVB胶片厚度为0.05mm，进行两层2.5D复合工艺。
其制作工艺为：①将0.4mm厚上、下玻璃进行切片、CNC加工、扫边扫孔、抛光等工艺；②将上玻璃进行从上至中间位置的渐变蚀刻，通过控制蚀刻时间达到中间雾度低，上面雾度逐渐增大的效果(刻蚀时间越长，雾度越大)，将下玻璃进行从下至中间位置的渐变蚀刻，通过控制蚀刻时间达到中间雾度低，下面雾度逐渐增大的效果；③将上述蚀刻后的玻璃件进行强化；④将强化后上、下玻璃分别镀上蓝色与紫色光学镀膜层；⑤将镀过光学 镀膜层的上玻璃丝印上logo，150℃烘烤30min；⑥将下玻璃先放入治具，再放入激光切割的PVB膜片，最后再放入上玻璃，其定位方式可采用治具、CCD等方式实现。放入治具中的产品定位后放入热压罐中，对设备腔体进行抽真空，先室温冷抽30min，再升温至100℃烘烤30min，压力升至0.5MPa，继续升温至160℃，升压至1.5MPa；保温保压60min，最后降温至室温后降压，完成胶片的熔接与玻璃的复合。从而实现从中间向两侧渐变的多彩效果。
实施例2
第一玻璃件(下玻璃)和第二玻璃件(上玻璃)均采用0.4mm厚度的2.5D玻璃，PVB胶片厚度为0.05mm，进行两层2.5D复合工艺。
其制作工艺为：①将0.4mm厚上、下玻璃进行切片、CNC加工、扫边扫孔、抛光等工艺；②将上、下玻璃分别进行不同的纹理蚀刻；③将上述蚀刻后玻璃进行强化；④将强化后上、下玻璃分别镀上蓝色与红色光学镀膜层；⑤将镀过光学镀膜层的下玻璃丝印上油墨图案，150℃烘烤30min；⑥将下玻璃先放入治具，再放入激光切割的PVB膜片，最后再放入上玻璃，其定位方式可采用治具、CCD等方式实现。放入治具中的产品定位后放入热压罐中，对设备腔体进行抽真空，先室温冷抽30min，再升温至100℃烘烤30min，压力升至0.5MPa，继续升温至160℃，升压至1.5MPa；保温保压60min，最后降温至室温后降压，完成胶片的熔接与玻璃的复合。从而实现从叠加和丰富的纹理效果。
实施例3
上玻璃采用0.55mm，下玻璃采用0.25mm厚度2.5D玻璃，PVB胶片厚度为0.1mm，进行两层2.5D复合工艺。
其制作工艺为：①将上、下玻璃进行切片、CNC加工、扫边扫孔、抛光等工艺；②将上、下玻璃分别进行不同的纹理蚀刻；③将上述蚀刻后玻璃进行强化；④将上玻璃下表面通过不同靶材镀上不同层数及厚度的光学镀膜层，使其呈现蓝色渐变，在下玻璃上表面通过不同靶材镀上不同层数及厚度的光学镀膜层，使其呈现红色渐变；⑤将镀过光学镀膜层的下玻璃上表面丝印上油墨，150℃进行烘烤30min。⑥将下玻璃先放入治具，再放入激光切割的PVB膜片，最后再放入上玻璃，其定位方式可采用治具、CCD等方式实现。放入治具中的产品定位后放入热压罐中，对设备腔体进行抽真空，先室温冷抽30min，再升温至100℃烘烤30min，压力升至0.5MPa，继续升温至160℃，升压至1.5MPa；保温保压60min，最后降温至室温后降压，完成胶片的熔接与玻璃的复合。从而实现从丰富多彩的渐变纹理效果，解决了单片玻璃只能实现颜色比较接近的膜层渐变效果的问题。
实施例4
上玻璃采用0.55mm，下玻璃采用0.25mm厚度2.5D玻璃，PVB胶片厚度为0.1mm，进行两层2.5D复合工艺。
其制作工艺为：①将上、下玻璃进行切片、CNC加工、扫边扫孔、抛光等工艺；②将上、下玻璃分别进行不同的纹理蚀刻。③将上述蚀刻后玻璃进行强化；④将上玻璃下表面通过不同靶材镀上不同层数及厚度的光学镀膜层，使其呈现紫色渐变，在下玻璃上表面上通过不同靶材镀上不同层数及厚度的光学镀膜层，使其呈现橙色渐变；⑤将镀过光学镀膜层的下玻璃上表面丝印上油墨，150℃进行烘烤30min；⑥将下玻璃先放入治具，再放入激光切割的PVB膜片，最后再放入上玻璃，其定位方式可采用治具、CCD等方式实现。放入治具中的产品定位后放入热压罐中，对设备腔体进行抽真空，先室温冷抽30min，再升温至100℃烘烤30min，压力升至0.5MPa，继续升温至160℃，升压至1.5MPa；保温保压60min，最后降温至室温后降压，完成胶片的熔接与玻璃的复合。从而通过不同色彩的折射实现丰富多彩的渐变纹理效果，解决了单片玻璃只能实现颜色比较接近的膜层渐变效果的问题。
实施例5
上、中、下玻璃均采用0.25mm厚度2.5D玻璃，PVB胶片厚度为0.075mm，进行三层2.5D复合工艺。
其制作工艺为：①将上、中、下玻璃进行切片、CNC加工、扫边扫孔、抛光等工艺；②将上玻璃下表面进行纹理蚀刻。③将上、中、下玻璃进行强化；④将强化后上、下玻璃分别镀上渐变红色光学镀膜；⑤将镀过光学镀膜的上玻璃下表面丝印上油墨，150℃进行烘烤30min；⑥将下玻璃先放入治具，再依次放入激光切割的PVB膜片、中玻璃、PVB膜片和上玻璃，其定位方式可采用治具、CCD等方式实现。放入治具中的产品定位后放入热压罐中，对设备腔体进行抽真空，先室温冷抽30min，再升温至100℃烘烤30min，压力升至0.5MPa，继续升温至160℃，升压至1.5MPa；保温保压60min，最后降温至室温后降压，完成胶片的熔接与玻璃的复合。从而实现油墨层在玻璃中间的装饰效果，避免在后续组装过程中油墨层划伤。
实施例6
与实施例1相同，区别在于在复合之前，还包括在下玻璃的下表面形成底色层。
实施例7
与实施例5相同，区别在于中玻璃的上表面上也进行刻蚀处理形成刻蚀纹理，并在刻蚀纹理上形成透明的光学镀膜层。
实施例8
与实施例7相同，区别在于下玻璃的上表面不形成装饰层。
在本申请的描述中，需要理解的是，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本申请的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。
尽管上面已经示出和描述了本申请的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本申请的限制，本领域的普通技术人员在本申请的范围内可以对上述实施例进行变化、修改、替换和变型。

Claims (17)

  1. 一种夹层玻璃，其特征在于，包括层叠设置的至少两个玻璃件和至少一个粘结膜，所述玻璃件和所述粘结膜交替设置，
    其中，至少两个所述玻璃件朝向所述粘结膜的表面上具有装饰层，至少两个所述装饰层各自独立的包括刻蚀纹理、光学镀膜层和图案层中的至少之一。
  2. 根据权利要求1所述的夹层玻璃，其特征在于，包括由下至上层叠设置的第一玻璃件、第一粘结层和第二玻璃件，其中，所述第一玻璃件的上表面和所述第二玻璃件的下表面上均具有所述装饰层。
  3. 根据权利要求1所述的夹层玻璃，其特征在于，包括由下至上层叠设置的第一玻璃件、第二粘结层、第三玻璃件、第一粘结层和第二玻璃件，其中，所述第一玻璃件的上表面、所述第二玻璃件的下表面、所述第三玻璃件的上表面和所述第三玻璃件的下表面中的至少两个上具有所述装饰层。
  4. 根据权利要求1-3中任一项所述的夹层玻璃，其特征在于，至少两个所述玻璃件的厚度各自独立的为0.2～0.5mm；
    所述粘结膜的厚度为0.025～0.1mm。
  5. 根据权利要求1-4中任一项所述的夹层玻璃，其特征在于，还包括底色层，所述底色层设置在位于最下层的所述玻璃件的下表面上。
  6. 根据权利要求1-5中任一项所述的夹层玻璃，其特征在于，所述刻蚀纹理是通过对所述玻璃件的表面进行刻蚀形成的。
  7. 根据权利要求1-6中任一项所述的夹层玻璃，其特征在于，所述刻蚀纹理包括图案纹理、条纹纹理、雾面纹理和渐变纹理中的至少一种。
  8. 根据权利要求1-7中任一项所述的夹层玻璃，其特征在于，至少两个所述装饰层各自独立的包括依次层叠设置的所述刻蚀纹理、所述光学镀膜层和所述图案层，或者至少两个所述装饰层各自独立的包括依次层叠设置的所述刻蚀纹理、所述图案层和所述光学镀膜层。
  9. 根据权利要求1-8中任一项所述的夹层玻璃，其特征在于，所述光学镀膜层为透明的或具有预定颜色。
  10. 根据权利要求1-9中任一项所述的夹层玻璃，其特征在于，所述图案层由油墨形成，且所述图案层为至少两个时，至少两个所述图案层在所述玻璃件上的正投影至少部分不重叠。
  11. 根据权利要求1-10中任一项所述的夹层玻璃，其特征在于，位于最上层的所述装 饰层中的所述图案层包括镜面银标识和视窗图案中的至少一种。
  12. 根据权利要求1-11中任一项所述的夹层玻璃，其特征在于，形成所述粘结膜的材料包括聚乙烯醇缩丁醛、乙烯-甲基丙烯酸酯共聚物、离子型胶片、乙烯-醋酸乙烯共聚物、热塑性聚氨酯弹性体橡胶和环氧丙烷中的至少一种。
  13. 一种电子设备壳体，其特征在于，所述电子设备壳体的至少一部分是由权利要求1-12中任一项所述的夹层玻璃形成的。
  14. 一种制备权利要求1-12中任一项所述的夹层玻璃的方法，其特征在于，包括：
    提供至少两个玻璃件；
    在所述玻璃件的至少两个表面上形成装饰层；
    将所述玻璃件和粘结膜交替、层叠放置，得到层叠结构；
    对所述层叠结构依次进行抽真空和加热加压处理，得到夹层玻璃。
  15. 根据权利要求14所述的方法，其特征在于，形成所述装饰层包括下述(1)、(2)和(3)中的至少一个步骤：
    (1)对所述玻璃件的表面进行刻蚀，以形成刻蚀纹理；
    (2)利用真空镀膜或化学镀膜的方法形成光学镀膜层；
    (3)利用丝印方法形成图案层。
  16. 根据权利要求14或15所述的方法，其特征在于，对所述层叠结构依次进行抽真空和在加热加压处理包括：
    将所述层叠结构在室温条件下抽真空30～60min，接着升温至90～150摄氏度并升压至0.5～0.7MPa保持30～60min，然后升温至130～160摄氏度并升压至1.2～1.5MPa保持30～60min。
  17. 根据权利要求14-16中任一项所述的方法，其特征在于，还包括在位于最下层的所述玻璃件的下表面上形成底色层。
PCT/CN2019/087231 2018-10-18 2019-05-16 夹层玻璃及其制备方法、电子设备壳体和电子设备 WO2020077995A1 (zh)

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