CN113132510A - Housing and electronic device - Google Patents
Housing and electronic device Download PDFInfo
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- CN113132510A CN113132510A CN201911406188.9A CN201911406188A CN113132510A CN 113132510 A CN113132510 A CN 113132510A CN 201911406188 A CN201911406188 A CN 201911406188A CN 113132510 A CN113132510 A CN 113132510A
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- texture
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- housing
- substrate
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- 239000010410 layer Substances 0.000 claims abstract description 226
- 239000011247 coating layer Substances 0.000 claims abstract description 115
- 239000000758 substrate Substances 0.000 claims abstract description 58
- 239000011248 coating agent Substances 0.000 claims abstract description 46
- 238000000576 coating method Methods 0.000 claims abstract description 46
- 239000000463 material Substances 0.000 claims abstract description 43
- 238000002310 reflectometry Methods 0.000 claims abstract description 27
- RHZWSUVWRRXEJF-UHFFFAOYSA-N indium tin Chemical compound [In].[Sn] RHZWSUVWRRXEJF-UHFFFAOYSA-N 0.000 claims description 26
- 230000003287 optical effect Effects 0.000 claims description 19
- 239000003292 glue Substances 0.000 claims description 15
- 238000007645 offset printing Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 5
- 235000019587 texture Nutrition 0.000 claims 10
- 235000019589 hardness Nutrition 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 35
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- 238000000034 method Methods 0.000 description 17
- 230000008569 process Effects 0.000 description 13
- 238000005507 spraying Methods 0.000 description 12
- 239000010408 film Substances 0.000 description 11
- 238000013003 hot bending Methods 0.000 description 10
- 239000000853 adhesive Substances 0.000 description 9
- 230000001070 adhesive effect Effects 0.000 description 9
- 238000009713 electroplating Methods 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000010023 transfer printing Methods 0.000 description 8
- 238000007650 screen-printing Methods 0.000 description 7
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 6
- 239000004417 polycarbonate Substances 0.000 description 6
- 239000004926 polymethyl methacrylate Substances 0.000 description 6
- 238000007747 plating Methods 0.000 description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000003848 UV Light-Curing Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
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- 238000002834 transmittance Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
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- 238000003475 lamination Methods 0.000 description 2
- 230000001795 light effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- -1 polyethylene terephthalate Polymers 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 241000692870 Inachis io Species 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000012788 optical film Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
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Images
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0279—Improving the user comfort or ergonomics
- H04M1/0283—Improving the user comfort or ergonomics for providing a decorative aspect, e.g. customization of casings, exchangeable faceplate
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
- H05K5/0243—Mechanical details of casings for decorative purposes
Abstract
The application provides a housing and an electronic device. This casing includes: a first substrate; a first texture layer disposed on one surface of the first substrate; the first coating layer is arranged on one side of the first texture layer, which is far away from the first base material; the second substrate is arranged on one side of the first coating layer, which is far away from the first substrate; the second texture layer is arranged on one side, far away from the first base material, of the second base material; and the second coating layer is arranged on one side of the second texture layer, which is far away from the first substrate, wherein the reflectivity of the second coating layer is greater than that of the first coating layer. The appearance texture of the shell is richer in layering and stereoscopic impression, the expression effect is better, and the appearance effect and the visual effect of the shell are further enriched; the second coating film layer has stronger light reflecting effect, and can effectively ensure the texture effect of the second texture layer supported by the lining to prevent the texture of the second texture layer from being covered by the first coating film layer.
Description
Technical Field
The application relates to the technical field of electronic equipment, in particular to a shell and electronic equipment.
Background
Along with the whole promotion that requires to mobile phone shell appearance expressive force of cell-phone trade, the development of novel outward appearance and texture effect is very important, but the plastic panel outward appearance texture effect of present preparation is single, causes aesthetic fatigue easily, and the texture effect is not strong moreover, and outward appearance colour layer floats on the surface, does not possess the stereovision.
Therefore, research on the housing 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. Therefore, an object of the present application is to provide a shell having advantages of rich appearance texture, rich gradation, etc.
In one aspect of the present application, a housing is provided. According to an embodiment of the application, the housing comprises: a first substrate; a first texture layer disposed on one surface of the first substrate; the first coating layer is arranged on one side, far away from the first base material, of the first texture layer; the second substrate is arranged on one side of the first coating layer, which is far away from the first substrate; the second texture layer is arranged on one side of the second substrate far away from the first substrate; the second coating layer is arranged on one side, far away from the first base material, of the second texture layer, and the reflectivity of the second coating layer is larger than that of the first coating layer. Therefore, the shell structure is a double-substrate shell, has double textures and a double coating system, can realize the superposition of the double textures, and can ensure that users can see different texture effects at different angles, so that the appearance textures are more layered and stereoscopic, the expression effect is better, and the appearance effect and the visual effect of the shell are further enriched; in addition, the reflectivity of the second coating layer is greater than that of the first coating layer, the reflection effect of the second coating layer is strong, the texture effect of the second texture layer can be effectively guaranteed to be supported out of the lining, and the texture of the second texture layer is prevented from being covered by the first coating layer.
In another aspect of the present application, an electronic device is provided. According to an embodiment of the present application, the electronic device includes: the housing as described above; the display screen assembly is connected with the shell, and an installation space is defined between the display screen assembly and the shell; and the mainboard is arranged in the installation space and is electrically connected with the display screen assembly. Therefore, the shell of the electronic equipment has the texture appearance effect with strong layering and better visual effect, and is beneficial to improving the overall texture quality of the electronic equipment. Those skilled in the art will appreciate that the electronic device has all of the features and advantages of the housing described above and will not be described in detail herein.
Drawings
Fig. 1 is a schematic structural diagram of a housing according to an embodiment of the present application.
Fig. 2 is a graph of the reflectivity of the first coating of the present application.
FIG. 3 is a graph of the reflectivity of an optical coating according to the present application.
Fig. 4 is a schematic structural diagram of a housing in another embodiment of the present application.
Fig. 5 is a schematic structural diagram of a housing in another embodiment of the present application.
Fig. 6 is a schematic structural diagram of a housing in yet another embodiment of the present application.
Fig. 7 is a schematic structural diagram of a housing in a further embodiment of the present application.
Fig. 8 is a schematic structural diagram of a housing in a further embodiment of the present application.
Fig. 9 is a schematic structural diagram of a housing in a further embodiment of the present application.
Fig. 10 is a schematic structural view of a housing in a further embodiment of the present application.
Fig. 11 is a schematic structural view of a housing in a further embodiment of the present application.
Fig. 12 is a schematic structural view of a housing in a further embodiment of the present application.
Fig. 13 is a schematic structural view of a housing in a further embodiment of the present application.
Fig. 14 is a schematic structural view of a housing in a further embodiment of the present application.
Fig. 15 is a schematic structural view of a housing in a further embodiment of the present application.
Fig. 16 is a schematic structural view of a housing in a further embodiment of the present application.
Fig. 17 is a schematic structural view of a housing in a further embodiment of the present application.
Fig. 18 is a schematic structural view of a housing in a further embodiment of the present application.
Fig. 19 is a schematic structural diagram of an electronic device in a further 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 housing is provided. According to an embodiment of the present application, referring to fig. 1, the housing includes: a first substrate 11; a first texture layer 21, the first texture layer 21 being disposed on one surface of the first substrate 11; the first coating layer 31, the first coating layer 31 is arranged on one side of the first texture layer 21 far away from the first base material 11; the second base material 12, the second base material 12 is arranged on one side of the first coating layer 31 far away from the first base material 11; a second texture layer 22, the second texture layer 22 being disposed on a side of the second substrate 12 away from the first substrate 11; and the second coating layer 32, wherein the second coating layer 32 is arranged on the side of the second texture layer 22 far away from the first base material 11, and the reflectivity of the second coating layer is greater than that of the first coating layer. Therefore, the shell structure is a double-substrate shell, has double textures and a double coating system, can realize the superposition of the double textures, and can ensure that users can see different texture effects at different angles, so that the appearance textures are more layered and stereoscopic, the expression effect is better, and the appearance effect and the visual effect of the shell are further enriched; in addition, the reflectivity of the second coating layer is greater than that of the first coating layer, the reflection effect of the second coating layer is strong, the texture effect of the second texture layer can be effectively guaranteed to be supported, and the texture of the second texture layer is prevented from being covered by the first coating layer and the first texture layer.
In use of the housing, the surface of the first base material 11 away from the second base material 12 is an appearance surface, that is, the first texture layer 21 is close to the appearance surface, and the second texture layer 22 is away from the appearance surface, so that the textures of the first texture layer 21 and the second texture layer 22 are different in depth visually, and the appearance texture is richer in layering and stereoscopic impression.
Furthermore, the terms "first", "second" and "first" are used 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.
Wherein the first substrate has a thickness of 0.5mm to 0.64mm (e.g., 0.5mm, 0.55mm, 0.6mm, 0.64mm), and the second substrate has a thickness of 0.12mm to 0.25mm (e.g., 0.12mm, 0.15mm, 0.2mm, 0.25 mm). Therefore, the first base material with the thickness has good supporting effect and strength, and can effectively resist external impact force such as external collision and the like; the second substrate of above-mentioned thickness is thinner relatively, when guaranteeing preferred intensity, effectively guarantee the good laminating effect of second substrate (when actual preparation, the second substrate needs laminate with first optical coating), if the thickness of second substrate is bigger than normal, not only be difficult for laminating, but also can make the whole thickness of casing thick relatively, if the thickness of second substrate is little than normal, then when preparing second texture layer isotructure on the second substrate, the holding power and the intensity relative deviation of second substrate are unfavorable for texture layer and the coating film layer of preparation quality preferred.
Wherein, icons (such as LOGO icons and the like) are arranged on the surface of the first substrate close to the first texture layer, and the icon forming method includes but is not limited to silk-screen printing.
Further, the specific materials of the first substrate and the second substrate have no special requirements, and those skilled in the art can flexibly select the materials according to actual situations. In some embodiments, the material of the first substrate is at least one of PET (polyethylene terephthalate), PC (polycarbonate) and PMMA (polymethyl methacrylate), for example, the first substrate is a PMMA/PC composite plate, wherein LOGO such as LOGO is printed on the surface of PC, and PMMA is used as the appearance surface; the second substrate is made of at least one of PET (polyethylene terephthalate), PC (polycarbonate) and PMMA (polymethyl methacrylate), and further, the second substrate may be a plate (having a relatively large hardness with respect to the plate) or a film (having a relatively small hardness with respect to the plate), and those skilled in the art can flexibly select the second substrate according to actual conditions.
The first coating layer is an optical coating layer, so that the first coating layer can have good reflectivity and good light transmittance, and the first coating layer can support the texture effect of the first texture layer and cannot shield the texture effect of the second texture layer.
Further, the second film may be an indium tin film or an optical film, and the reflectivity of the second film and the first film of different materials is described in detail as follows:
in some embodiments, the second coating is an indium tin coating, the first coating has a reflectivity of 8% to 40% (e.g., 8%, 10%, 15%, 20%, 25%, 30%, 35%, 40%) and the indium tin coating has a reflectivity of greater than 40%. Therefore, the indium tin coating layer has relatively large reflectivity and strong light reflection effect, can better support the texture effect of the second texture layer without being shielded by the first coating layer and the first texture layer, so that a user can clearly see the texture patterns of the second texture layer, and can effectively prevent the color layer from being covered by the first coating layer and the first texture layer when the transparent color layer is arranged on one side of the first coating layer away from the first substrate, so as to improve the color expression of the transparent color layer; if the reflectivity of the first coating layer is less than 8%, the texture pattern of the first texture layer may not be apparent or clear.
Wherein, the thickness of the indium tin coating layer is 40 nm-60 nm, such as 40nm, 42nm, 44nm, 46nm, 48nm, 50nm, 52nm, 54nm, 56nm, 58nm and 60 nm. Therefore, the indium tin coating layer with the thickness has better reflectivity, so that the texture effect of the second texture layer is good, and if the transparent color layer is arranged on the side, away from the first substrate, of the first coating layer, the indium tin coating layer with the thickness can also effectively prevent the color layer from being covered by the first coating layer and the first texture layer, so that the color expression of the transparent color layer is improved; if the thickness is less than 40nm, the luminous effect (reflectivity) of the indium tin coating layer is relatively poor, and the second texture layer and the transparent color layer are easily shielded by the first texture layer and the first coating layer; if the thickness is larger than 60nm, the indium tin coating layer is conductive, which affects the antenna performance of the mobile phone.
In other embodiments, the second coating is an optical coating, the first coating has a reflectivity of 8% to 40% (e.g., 8%, 10%, 15%, 20%, 25%, 30%, 35%, 40%) and the optical coating has a reflectivity of 15% to 50% (e.g., 15%, 20%, 25%, 30%, 35%, 40%, 45%, 50%). Therefore, the texture effect of the first texture layer and the second texture layer has good expressive force, and the texture pattern is clear and visible.
Wherein, the thickness of the first coating layer is 10 nm-60 nm (such as 10nm, 20nm, 30nm, 40nm, 50nm, 60 nm). Therefore, the first coating layer has better adhesive force and better stability; if the thickness is less than 10nm, the adhesive force of the first coating layer is relatively poor; if the thickness is more than 60nm, the first coating layer is easy to crack after subsequent high-pressure hot bending, and the expression of texture effect is influenced.
Wherein the thickness of the optical coating layer is 40 nm-200 nm (such as 40nm, 50nm, 60nm, 70nm, 80nm, 90nm, 100nm, 110nm, 120nm, 130nm, 140nm, 150nm, 160nm, 170nm, 180nm, 190nm, 200 nm). Therefore, the optical coating layer has good adhesive force, good stability, difficult cracking and good reflectivity; if the thickness is larger than 200nm, the first coating layer is easy to crack after subsequent high-pressure hot bending, and the expression of texture effect is influenced.
Further, the specific materials of the first coating layer and the optical coating layer respectively and independently include at least one of zirconia, titania, silica, and niobia, so the first coating layer and the optical coating layer may be of a single-layer structure or a multilayer laminated structure, wherein the thickness of each sub-coating layer can be flexibly adjusted according to actual conditions such as a required reflectivity, and the structures of the first coating layer 31 and the optical coating layer (i.e., the second coating layer 32) in some embodiments are listed in the following tables 1 and 2 (the reflectivity in tables 1 and 2 is a reflectivity range corresponding to a wavelength of 500 to 800 nm):
TABLE 1 first coating layer
TABLE 2 optical coating (i.e. second coating 32)
Further, referring to fig. 4 to 7, the housing further includes: the transparent color layer 40, the transparent color layer 40 is disposed between the first base material 11 and the first texture layer 21 (see fig. 4), or between the first coating layer 31 and the second base material 12 (see fig. 5), or between the second base material 12 and the second texture layer 22 (see fig. 6), or on the side of the second coating layer 32 away from the second base material 12 (see fig. 7). Therefore, the shell with the double-texture and double-coating structure can enable the depth of field effect (the visual appearance distance is far) and the stereoscopic impression of the color layer to be more obvious, the layering sense, the expressive force and the visual effect of the appearance effect of the shell are further improved, and when the transparent color layer 40 is located on one side, far away from the first base material 11, of the second base material 12 (such as in fig. 6 and 7), the stereoscopic impression and the depth of field effect of the transparent color layer can be further improved.
Further, the specific type of the transparent color layer 40 may be a spraying color layer (i.e. a color layer obtained by spraying a transparent color paint), or an offset color layer (i.e. a color layer obtained by offset UV curing a transparent ink), specifically:
in some examples, the transparent color layer 40 is a sprayed color layer, in which case the second coating 32 is an indium tin coating, and the sprayed color layer is disposed on a side of the second texture layer 22 (see fig. 4-6) away from the indium tin coating (i.e., the second coating 32). Because the indium tin coating layer has poor light transmittance, the spraying color layer is not easy to be arranged on one side of the indium tin coating layer 32 far away from the first base material 11, otherwise, the color development effect of the transparent color layer 40 on the appearance surface of the first base material 11 is poor, and even the color of the transparent color layer cannot be seen; and because the thickness of the spraying colour layer that adopts the spraying preparation is thicker, and the colour is darker, adopts the indium tin coating film layer that the reflectivity is higher, reflection of light effect is better, can set off transparent colour layer better, and then improves the expressive force of casing appearance color, if adopt optics coating film layer, also hardly set off transparent colour layer's colour for the colour distortion on transparent colour layer that sees at the outward appearance face is comparatively serious.
In other examples, the transparent color layer 40 is an offset color layer, and the second coating layer 32 is an optical coating layer or an indium tin coating layer, wherein when the second coating layer 32 is an indium tin coating layer, the offset color layer (i.e., the transparent color layer 40) is disposed on a side of the second texture layer 22 away from the indium tin coating layer (i.e., the coating layer 32) (see fig. 4-6). Since the offset color layer prepared by offset printing is thin, and the color is usually light, the second coating layer 32 can be any one of an optical coating layer and an indium tin coating layer. Since the optical coating layer has a better light transmittance, when the second coating layer 32 is an optical coating layer, the transparent color layer 40 may be disposed in any one of the situations shown in fig. 4 to 7.
The thickness of the spraying color layer is 8-14 microns, such as 8 microns, 9 microns, 10 microns, 11 microns, 12 microns, 13 microns or 14 microns. The offset printing color layer has a thickness of 5 to 8 micrometers, such as 5 micrometers, 6 micrometers, 7 micrometers or 8 micrometers. The transparent color layer with the thickness can have good color expression on the appearance surface of the shell, and the adhesive force of the transparent color layer is better.
According to an embodiment of the present application, a difference between the elongation of the first texture layer and the elongation of the first coating layer is less than or equal to 5%, such as 5%, 4.5%, 4%, 3.5%, 3%, 2.5%, 2%, 1.5%, 1%, 0.5%, 0.2%, or 0. Therefore, the difference value between the elongation of the first texture layer and the elongation of the first coating layer is small, the extension and contraction curvatures of the first texture layer and the first coating layer are close in the high-pressure hot bending forming process, the stress difference value of the first texture layer and the first coating layer is small, the first texture layer and the first coating layer are not prone to cracking, and the product yield of the shell is improved.
Further, the difference between the elongation of the second texture layer and the elongation of the second coating layer is less than or equal to 5%, such as 5%, 4.5%, 4%, 3.5%, 3%, 2.5%, 2%, 1.5%, 1%, 0.5%, 0.2%, or 0. Therefore, the difference value between the elongation of the second texture layer and the elongation of the second coating layer is small, the extension and contraction curvatures of the second texture layer and the second coating layer are close in the high-pressure hot bending forming process, the stress difference value of the second texture layer and the second coating layer is small, the second texture layer and the second coating layer are not prone to cracking, and the product yield of the shell is improved.
Further, the elongation of the first texture layer and the elongation of the second texture layer are 10% to 50%, such as 10%, 15%, 20%, 25%, 30%, 35%, 40%, 45%, 50%, respectively. Therefore, the first texture layer and the second texture layer are not easy to break, and the appearance effect of the textures is not easy to influence; if the elongation is less than 10%, the first texture layer and/or the second texture layer are bent and easily broken; if the elongation is greater than 50%, the film layer of the first texture layer and/or the second texture layer is likely to become uneven after hot bending and stretching, thereby generating rainbow patterns, and finally affecting the texture effect of the appearance of the shell. Therefore, the elongation of the first coating layer and the elongation of the second coating layer can be adjusted by a person skilled in the art according to the elasticity of the first texture layer and the second texture layer, so as to meet the requirement that the elongation difference is less than or equal to 5%.
It is well known to those skilled in the art that the UV light curable glue has a high crosslinking density, a high crosslinking functionality, and a high mechanical rigidity, and the elongation of the texture layer is almost 0 at normal temperature, and is easily broken by stretching, so the elongation of the first texture layer, the second texture layer, the first coating layer, and the second coating layer is the elongation of each structure in the high pressure thermal bending process. Taking the texture layer as an example, the elongation test method is described in detail as follows:
testing equipment: TMA instrument (thermomechanical analyzer)
And (3) testing temperature: 135 plus or minus 5 ℃ (process temperature when high-pressure hot bending is carried out on the shell)
And (3) a test mode: stretching mode
The test purpose is as follows: mechanical property/tensile change/thermal shrinkage and stress release of sample at test temperature
The testing steps are as follows:
(1) preparing a sample: according to a normally manufactured UV light curing process, placing UV light curing UV glue in a cubic vessel for curing and molding to obtain a cubic sample;
(2) sample loading: clamping the sample in a TMA instrument test bracket;
(3) the establishment of the test method comprises the following steps: selecting a stretching mode, inputting sample information and size, testing at a constant temperature of 135 ℃, outputting original data, and obtaining the elongation of the sample at the testing temperature through data processing.
According to the embodiment of the application, Shore hardness of the UV glue used for forming the first texture layer and Shore hardness of the UV glue used for forming the second texture layer are respectively D65-D90, such as D65, D70, D75, D80, D85 and D90. Therefore, the first texture layer and the second texture layer can show good texture effect and have good anti-falling performance; if the Shore hardness is smaller than D65, the UV glue is relatively soft, and the formed first texture layer and the second texture layer are easy to deform after high-pressure hot bending, so that rainbow patterns are generated, and the texture effect of the appearance is influenced; if the shore hardness is greater than D90, the UV glue is relatively hard, and the resulting first texture layer and second texture layer have relatively poor drop resistance.
Further, the thickness of the first texture layer and the thickness of the second texture layer are 7-13 micrometers, such as 7 micrometers, 8 micrometers, 9 micrometers, 10 micrometers, 11 micrometers, 12 micrometers or 13 micrometers respectively. Therefore, the first texture layer and the second texture layer have good adhesive force and are not easy to crack; if the thickness is less than 7 micrometers, the adhesion force of the first texture layer and the second texture layer is relatively poor; if the thickness is more than 13 μm, the first texture layer and the second texture layer are easily cracked when bent.
The specific textures of the first texture layer and the second texture layer are not particularly required, and those skilled in the art can flexibly select the specific textures according to actual situations, for example, the specific textures of the first texture layer and the second texture layer are independent of each other, and include but are not limited to S texture, oblique line texture, light pillar texture, grid texture, colorful texture, peacock texture, and other texture patterns. The specific texture patterns of the first texture layer and the second texture layer are different, so that superposition of the two texture patterns can be realized.
According to an embodiment of the present application, referring to fig. 8 and 9 (fig. 8 and 9 merely exemplify the housing structure of fig. 6 and 7, respectively), the housing further includes: and the first gloss oil layer 50, wherein the first gloss oil layer 50 is arranged on the surface of the first coating layer 31 far away from the first base material 11. Therefore, the arrangement of the first gloss oil layer 50 can further improve the flatness and uniformity of the surface of the first coating layer 31, and further improve the good bonding of the first coating layer 31 and other structures.
According to an embodiment of the present application, referring to fig. 10 and 11, the housing further includes: the second gloss oil layer 60 and the second gloss oil layer 60 are disposed on the surface of the offset printing color layer (i.e. when the transparent color layer 40 is the offset printing color layer, the first gloss oil layer needs to be disposed), which is close to the outer surface of the housing, i.e. in the process, a layer of gloss oil (i.e. the second gloss oil layer 60) needs to be printed on the surface of the offset printing color layer before the offset printing transparent color layer, so as to improve the adhesive force of the offset printing color layer. As can be understood by those skilled in the art, when the transparent color layer is formed by spraying, the adhesive force is good, and the silk-screen printing gloss oil is not needed.
The thicknesses of the first gloss oil layer 50 and the second gloss oil layer 60 are respectively 4-8 micrometers, such as 4 micrometers, 5 micrometers, 6 micrometers, 7 micrometers or 8 micrometers. Therefore, the first gloss oil layer and the second gloss oil layer with the thicknesses have better adhesive force and are not easy to crack during high-pressure hot bending; if the thickness is less than 4 microns; if the thickness is less than 4 microns, the adhesive force is relatively poor, and the manufacturing process difficulty is high; if the thickness is more than 8 μm, the first gloss oil layer 50 and the second gloss oil layer 60 are easily broken at the time of hot bending.
Further, referring to fig. 12, 13 and 14 (fig. 14 takes spraying a color layer as an example), the housing may further include: an ink cover bottom layer 70, which is disposed on the surface of the plating layer 32 away from the first substrate 11 (see fig. 12 and 14), or on the surface of the offset color layer (i.e., the transparent color layer 40) away from the first substrate 11 (see fig. 13). Therefore, the light leakage of the shell can be avoided, and the external light effect of the shell is influenced.
According to the embodiment of the application, when the shell is manufactured, the texture layer and the coating layer can be manufactured on the surfaces of the first base material and the second base material respectively, and then the shell structure is obtained through OCA glue lamination; or a texture layer and a coating layer can be respectively arranged on the surfaces of the second base material opposite to each other, and then the texture layer and the coating layer are bonded with the first base material through OCA glue to obtain the shell structure. But compared with the process of processing double textures and double coating films on two surfaces of one substrate, the process of separately processing the textures and the coating films twice on the two substrates respectively has the advantages of simple process lamination and less processing procedures, can reduce the process turnover and the bad scratching, and is further favorable for improving the product yield. The following two cases of fabrication steps are described in detail according to some embodiments of the present application:
in some examples, referring to fig. 15, a LOGO (not shown), a UV transfer printing forming first texture layer 21, an electroplating forming first plating layer 31, and a screen printing forming first gloss oil layer 50 are sequentially screen printed on one surface of the first substrate 11; and spraying a transparent color layer 40, performing UV transfer printing to form a second texture layer 22, electroplating to form an indium tin coating layer (namely a second coating layer 32), coating to form an ink cover bottom layer 70, and adhering the surface of the second substrate far away from the second texture layer to the first gloss oil layer 50 through OCA glue 80 to obtain the shell structure.
In other examples, referring to fig. 16, a LOGO (not shown), a UV transfer printing forming first texture layer 21, an electroplating forming first plating layer 31, and a screen printing forming first gloss oil layer 50 are sequentially screen printed on one surface of the first substrate 11; sequentially forming a second gloss oil layer 60 on one surface of the second base material 12 through silk screen printing, forming a transparent color layer 40 through offset printing, forming a second texture layer 22 through UV transfer printing, forming a coating layer 32 through electroplating, and forming an ink cover bottom layer 70 through coating, and then performing adhesive bonding on the surface of the second base material 12 far away from the second texture layer 22 and the first gloss oil layer 50 through OCA glue 80 to obtain the shell structure.
In still other examples, referring to fig. 17, a LOGO (not shown), a UV transfer printing forming a first texture layer 21, an electroplating forming a first plating layer 31, and a screen printing forming a first varnish layer 50 are sequentially screen printed on one surface of the first substrate 11; sequentially carrying out UV transfer printing on one surface of the second base material 12 to form a second texture layer 22, electroplating to form a second coating layer 32, silk-screening to form a second gloss oil layer 60, offset printing to form a transparent color layer 40, coating to form an ink cover bottom layer 70, and then carrying out adhesive bonding on the surface of the second base material 12 far away from the second texture layer 22 and the first gloss oil layer 50 through OCA glue 80 to obtain the shell structure.
In still other examples, referring to fig. 18 (only taking spraying to form a transparent color layer as an example), a first coating layer 31 is formed on one surface of the second substrate 12 by electroplating, a first texture layer 21 is formed by UV transfer printing, and a third gloss oil layer 90 is formed on the other surface of the second substrate 12 by spraying in sequence, a transparent color layer 40 is formed on the other surface of the second substrate 12 by UV transfer printing, a second texture layer 22 is formed by electroplating, a second coating layer 32 is formed by electroplating, an ink cover bottom layer 70 is formed by coating, and then the third gloss oil layer 90 is adhered to the surface of the first substrate 11 on which the LOGO is silk-printed by OCA glue, so as to obtain the housing structure.
In the above process, specific process parameters of the UV transfer texture layer, the electroplated first coating layer and the electroplated second coating layer, the offset printing color layer, the spray coating color layer, and the silk-screen printing gloss oil layer have no special requirements, and those skilled in the art can flexibly select the process according to actual needs, and are not described herein in detail.
Furthermore, the shell also comprises a hardening layer positioned on the surface of the first substrate far away from the second substrate so as to improve the scratch and collision resistance of the appearance of the shell.
Further, the specific structure of this casing does not have special requirement, and the skilled person can be selected according to actual conditions in a flexible way, for example the specific structure of casing can be 2D structure, 2.5D structure or 3D structure, if the shell structure is 2.5D structure or 3D structure, the skilled person in the art can adopt high pressure hot bending to form after OCA glues the laminating, becomes 2D structure panel or 3D structure panel with 2D structure panel, and then obtains the casing of 2.5D structure or 3D structure.
In another aspect of the present application, an electronic device is provided. According to an embodiment of the present application, referring to fig. 19, the electronic device 1000 includes: the housing 100 described above; the display screen assembly 200, the display screen assembly 200 is connected with the casing 100, and an installation space is defined between the display screen assembly 200 and the casing 100; and a main board (not shown in the figure) disposed in the mounting space and electrically connected to the display screen assembly. Therefore, the shell of the electronic equipment has the texture appearance effect with strong layering and better visual effect, and is beneficial to improving the overall texture quality of the electronic equipment. Those skilled in the art will appreciate that the electronic device has all of the features and advantages of the housing described above and will not be described in detail herein.
According to the embodiment of the application, the specific type of the electronic device has no special requirement, and a person skilled in the art can flexibly select the electronic device according to the actual situation. In some examples, specific types of the electronic device include, but are not limited to, a cell phone (see fig. 19), a notebook, an iPad, a kindle, a gaming machine electronic device.
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 (16)
1. A housing, comprising:
a first substrate;
a first texture layer disposed on one surface of the first substrate;
the first coating layer is arranged on one side, far away from the first base material, of the first texture layer;
the second substrate is arranged on one side of the first coating layer, which is far away from the first substrate;
the second texture layer is arranged on one side of the second substrate far away from the first substrate;
the second coating layer is arranged on one side of the second texture layer far away from the first base material,
the reflectivity of the second coating layer is larger than that of the first coating layer.
2. The housing of claim 1, further comprising: the transparent color layer is arranged between the first base material and the first texture layer, or between the first coating layer and the second base material, or between the second base material and the second texture layer, or on one side of the second base material far away from the second coating layer.
3. The housing of claim 1 or 2 wherein the second coating is an indium tin coating, the first coating has a reflectivity of 8% to 40%, and the indium tin coating has a reflectivity of greater than 40%.
4. The casing of claim 3, wherein the indium tin coating has a thickness of 40nm to 60 nm.
5. The housing of claim 1 or 2, wherein the second coating is an optical coating, the first coating having a reflectivity of 8% to 40% and the optical coating having a reflectivity of 15% to 50%.
6. The housing of claim 5, wherein the first coating has a thickness of 10nm to 60nm and the optical coating has a thickness of 40nm to 200 nm.
7. The housing of claim 1 or 2 wherein the difference between the elongation of the first textured layer and the elongation of the first coating layer is less than or equal to 5%,
optionally, the difference between the elongation of the second texture layer and the elongation of the second coating layer is less than or equal to 5%.
8. The housing of claim 7, wherein the elongation of the first textured layer and the elongation of the second textured layer are each 10% to 50%.
9. The housing according to claim 1 or 2, characterized in that the UV glue used for forming the first texture layer and the UV glue used for forming the second texture layer have Shore hardnesses D65-D90, respectively.
10. The housing of claim 1 or 2, wherein the first and second textured layers each have a thickness of 7-13 microns.
11. The housing according to claim 1 or 2, wherein the first substrate has a thickness of 0.5mm to 0.64mm and the second substrate has a thickness of 0.12mm to 0.25 mm.
12. The housing of claim 3 wherein said transparent color layer is a sprayed color layer and said sprayed color layer is disposed on a side of said second textured layer remote from said indium tin coating.
13. The housing of claim 5 wherein said clear color layer is said offset color layer, said second coating is said optical coating or indium tin coating,
when the second coating layer is the indium tin coating layer, the offset printing color layer is arranged on one side of the second texture layer far away from the indium tin coating layer.
14. The housing of claim 12, wherein the thickness of the sprayed color layer is 8-14 microns.
15. The housing of claim 13, wherein the offset color layer has a thickness of 5 to 8 microns.
16. An electronic device, comprising:
the housing of any one of claims 1 to 15;
the display screen assembly is connected with the shell, and an installation space is defined between the display screen assembly and the shell; and
the mainboard is arranged in the installation space and electrically connected with the display screen assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911406188.9A CN113132510B (en) | 2019-12-31 | 2019-12-31 | Housing and electronic device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911406188.9A CN113132510B (en) | 2019-12-31 | 2019-12-31 | Housing and electronic device |
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| CN113132510A true CN113132510A (en) | 2021-07-16 |
| CN113132510B CN113132510B (en) | 2023-12-05 |
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