CN108156776B - Shell of electronic equipment and preparation method thereof - Google Patents
Shell of electronic equipment and preparation method thereof Download PDFInfo
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- CN108156776B CN108156776B CN201711396543.XA CN201711396543A CN108156776B CN 108156776 B CN108156776 B CN 108156776B CN 201711396543 A CN201711396543 A CN 201711396543A CN 108156776 B CN108156776 B CN 108156776B
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- 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
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- 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
- H05K5/0252—Labels, e.g. for identification, markings or configuration store
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Surface Treatment Of Optical Elements (AREA)
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Abstract
The present disclosure relates to a housing for an electronic device and a method of manufacturing the same, the method comprising: providing a substrate made of a semitransparent material, wherein the substrate comprises a first surface and a second surface opposite to the first surface, and the first surface is the outer surface of a shell of the electronic equipment; preparing and forming an oblique incidence optical film on the first surface of the base material, and preparing and forming a semi-transparent and semi-reflective optical film on the second surface of the base material; and preparing and forming a character layer on the surface of the oblique incidence optical film to obtain the shell of the electronic device. The semi-transparent and semi-reflective optical film can change the reflection and transmission characteristics of the surface of the shell, and plays a role in blurring the background, and the oblique incidence optical film can enable a user to watch characters under an oblique incidence visual angle and watch the characters under a vertical incidence visual angle to achieve the same visual effect, so that the oblique incidence optical film and the semi-transparent and semi-reflective optical film are matched for use, the problem that the characters on the surface of the shell are shaded can be solved, and the visual angle range of the user capable of clearly watching the characters can be enlarged.
Description
Technical Field
The disclosure relates to the technical field of shell processing, and in particular relates to a shell of an electronic device and a preparation method thereof.
Background
The zirconia ceramic is a novel ceramic material and has a plurality of excellent characteristics of wear resistance, corrosion resistance, high strength, high toughness, good thermal stability and the like. Compared with metal and plastic, the zirconia ceramic has the characteristics of high Mohs hardness, high dielectric constant, no signal shielding and good biocompatibility, and has wide application prospects in smart phones and wearable devices, so that the zirconia ceramic is gradually cut into a mobile terminal industry chain by taking a fingerprint identification cover plate and a mobile phone rear cover as starting points, and becomes a third big mobile phone back plate material behind plastic and metal.
At present, when characters are manufactured on the surface of a zirconia ceramic shell used for electronic equipment, shadow exists on the back surface of the characters, which seriously influences the delicacy of the shell of the electronic equipment.
Disclosure of Invention
The present disclosure provides a housing of an electronic device and a method for manufacturing the same, which can solve the problem that a character on a surface of the housing has a shadow.
According to a first aspect of the embodiments of the present disclosure, there is provided a method for manufacturing a case of an electronic device, including:
providing a substrate made of a semitransparent material, wherein the substrate comprises a first surface and a second surface opposite to the first surface, and the first surface is the outer surface of a shell of electronic equipment;
preparing and forming an oblique incidence optical film on the first surface of the base material, and preparing and forming a semi-transparent and semi-reflective optical film on the second surface of the base material;
and preparing and forming a character layer on the surface of the oblique incidence optical film to obtain the shell of the electronic equipment.
Optionally, the base material of the translucent material is white zirconia ceramic.
Optionally, depositing the oblique incidence optical film on the first surface of the base material by using a vacuum coating method; depositing the semi-transparent semi-reflective optical film on the second surface of the base material by adopting a vacuum coating method; and depositing the character layer on the surface of the oblique incidence optical film by adopting a vacuum coating method.
Optionally, after the formation of the transflective optical film on the second surface of the substrate, the method further comprises:
and preparing and forming a colored or white ink layer on the surface of the semi-transparent and semi-reflective optical film.
Optionally, the ratio of the transmittance to the reflectance of the transflective optical film is 1/9-9/1.
Optionally, the thickness of the transflective optical film is 0.1 μm to 5 μm.
Optionally, the oblique incidence optical film is a multilayer film structure comprising:
two titanium oxide film layers and a titanium film layer prepared between the two titanium oxide film layers; or
Two lanthanum oxide film layers and a lanthanum film layer prepared between the two lanthanum oxide film layers.
Optionally, the material of the semi-transparent and semi-reflective optical film is any one of silicon oxide, titanium oxide, silicon nitride, lanthanum zirconate, and niobium oxide.
According to a second aspect of the embodiments of the present disclosure, there is provided a housing of an electronic device, including:
the electronic device comprises a substrate made of semitransparent materials, wherein the substrate comprises a first surface and a second surface opposite to the first surface, and the first surface is the outer surface of a shell of the electronic device;
the oblique incidence optical film is prepared on the first surface of the base material;
the character layer is prepared on the surface of the oblique incidence optical film;
and the semi-transparent and semi-reflective optical film is prepared on the second surface of the substrate.
Optionally, the optical film further comprises an ink layer prepared on the surface of the transflective optical film.
Optionally, the base material of the translucent material is white zirconia ceramic.
Optionally, the ratio of the transmittance to the reflectance of the transflective optical film is 1/9-9/1.
Optionally, the thickness of the transflective optical film is 0.1 μm to 5 μm.
Optionally, the oblique incidence optical film is a multilayer film structure comprising:
two titanium oxide film layers and a titanium film layer prepared between the two titanium oxide film layers; or
Two lanthanum oxide film layers and a lanthanum film layer prepared between the two lanthanum oxide film layers.
Optionally, the material of the semi-transparent and semi-reflective optical film is any one of silicon oxide, titanium oxide, silicon nitride, lanthanum zirconate, and niobium oxide.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:
it can be known from the above embodiments that, in the present disclosure, the oblique incidence optical film is used in cooperation with the transflective optical film, the transflective optical film can change the reflection and transmission characteristics of the surface of the housing, and play a role in blurring the background, and the oblique incidence optical film can enable a user to view characters at an oblique incidence angle and view characters at a vertical incidence angle to achieve the same visual effect, thereby expanding the visual angle range within which the user can clearly view the characters.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a flow chart illustrating a method of manufacturing a housing for an electronic device according to an exemplary embodiment.
FIG. 2 is an optical diagram illustrating a housing of an electronic device according to an exemplary embodiment.
Fig. 3 is a schematic structural diagram illustrating a housing of an electronic device according to an exemplary embodiment.
Fig. 4 is a schematic structural diagram illustrating a housing of another electronic device according to an example embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The present disclosure provides a housing of an electronic device and a method for manufacturing the same, which can solve the problem that a character on a surface of the housing has a shadow. The housing of the electronic device and the method for manufacturing the housing of the electronic device according to the present disclosure will be described in detail with reference to the accompanying drawings. The features of the following examples and embodiments may be combined with each other without conflict.
Referring to fig. 1, an embodiment of the present disclosure provides a method for manufacturing a housing of an electronic device, including:
step S11: providing a substrate made of a semitransparent material, wherein the substrate comprises a first surface and a second surface opposite to the first surface, and the first surface is the outer surface of a shell of electronic equipment. Optionally, the base material of the translucent material is white zirconia ceramic. It should be noted that the electronic device described in this disclosure may be a mobile device (e.g., a mobile phone), a wearable device, or other electronic devices. Taking an electronic device as an example of a mobile phone, the first surface of the substrate serves as an outer surface of the mobile phone, and the second surface of the substrate serves as an inner surface of the mobile phone.
Step S12: and preparing and forming an oblique incidence optical film on the first surface of the base material, and preparing and forming a semi-transparent and semi-reflective optical film on the second surface of the base material.
Step S13: and preparing and forming a character layer on the surface of the oblique incidence optical film to obtain the shell of the electronic equipment. Optionally, the character layer can be logo characters in silver, gold or other colors or other characters required to be displayed.
According to the embodiment, the oblique incidence optical film and the semi-transparent and semi-reflective optical film are matched for use, the semi-transparent and semi-reflective optical film can change the reflection and transmission characteristics of the surface of the shell, the background blurring effect is achieved, the oblique incidence optical film can enable a user to watch characters at an oblique incidence visual angle and watch the characters at a vertical incidence visual angle to achieve the same visual effect, the visual angle range of the user to watch the characters on the surface of the shell clearly is further enlarged, and therefore the oblique incidence optical film and the semi-transparent and semi-reflective optical film are matched for use, the problem that the characters on the surface of the shell are shaded can be solved, the appearance texture of electronic equipment is improved, and the use experience of the user is improved.
In an alternative embodiment, the oblique incidence optical film may be deposited on the first surface of the substrate by vacuum coating, the transflective optical film may be deposited on the second surface of the substrate by vacuum coating, and the character layer may be deposited on the surface of the oblique incidence optical film by vacuum coating.
The vacuum coating method is PVD (Physical Vapor Deposition), and means that a low-voltage and high-current arc discharge technology is adopted under a vacuum condition, a target material is evaporated by using gas discharge, evaporated substances and gas are ionized, and the evaporated substances and reaction products thereof are deposited on a workpiece by using the acceleration effect of an electric field. The vacuum coating method has the advantages of excellent environmental weather resistance, environmental protection, no toxicity, wide material application range and the like. The vacuum coating method may include any one of electron beam evaporation plating, reactive magnetron sputtering plating, hot wire evaporation plating, and ion plating. It should be noted that the electron beam evaporation plating, the reactive magnetron sputtering plating, the hot wire evaporation plating and the ion plating all belong to the conventional technical means in the field, and therefore, the details are not described herein.
In an alternative embodiment, in step S12, after the transflective optical film is formed on the second surface of the substrate, a colored or white ink layer may be further formed on the surface of the transflective optical film. Alternatively, the ink layer may be paint or ink, and may be prepared by spraying or printing. The ink layer can play a role in protecting the semi-transparent semi-reflective optical film and can also be used as a background color of the shell to increase the surface color expressive force of the shell. For example, the ink layer is a red ink layer, so that the shell can present a red color effect. The printing ink layer is a green printing ink layer, and can make the shell show a green color effect. The ink layer is a white ink layer, so that the shell can show a white color effect of the zirconia ceramic.
In an alternative embodiment, in step S12, before the transflective optical film is formed on the second surface of the substrate, a reflection optical curve is obtained by a predetermined test on the first surface of the substrate by using a photometer, a suitable film layer parameter of the transflective optical film is calculated according to the reflection optical curve, and then the transflective optical film is formed on the second surface of the substrate according to the calculated film layer parameter. Therefore, the gray phase of the white zirconia ceramic can be effectively eliminated, and the effect of improving the brightness of the shell is further achieved.
The film parameters of the semi-transparent and semi-reflective optical film comprise at least one of film type, film thickness and film material. In the embodiment, the ratio T% of the transmittance (T%) and the reflectance (R%) of the transflective optical film is 1/9-9/1. The thickness of the semi-transparent semi-reflective optical film is 0.1-5 mu m. The material of the semi-transparent and semi-reflective optical film may be any one of silicon oxide, titanium oxide, silicon nitride, lanthanum zirconate, and niobium oxide. According to the color requirements of different processing requirements, the thickness of the transflective optical film and the material of the transflective optical film can be adjusted to meet different color design requirements.
Referring to fig. 2, taking the translucent substrate as white zirconia ceramic as an example, in order to eliminate the gray phase of the white zirconia ceramic, the reflectivity of the transflective optical film needs to be increased to reduce the gray level, so as to achieve the effect of improving the brightness, so the optical curve (as shown by a1 curve in fig. 2) of the transflective optical film is designed to keep the same shape as the reflective optical curve (as shown by a2 curve in fig. 2) of the zirconia ceramic and have a certain reflectivity, so that the reflectivity of the reflective optical curve (as shown by A3 curve in fig. 2) of the final zirconia ceramic product is increased to reduce the gray level, thereby achieving the effect of improving the brightness of the housing.
In an alternative embodiment, the oblique incidence optical film adopts a multilayer film structure, for example, the multilayer film structure may include two titanium oxide film layers and a titanium film layer (corresponding to TiO) prepared between the two titanium oxide film layers2/Ti/TiO2Or the multilayer film structure may include two lanthanum oxide film layers and a lanthanum film layer prepared between the two lanthanum oxide film layers (i.e., corresponding to La), or the multilayer film structure may include two lanthanum oxide film layers and a lanthanum film layer prepared between the two lanthanum oxide film layers2O3/La/La2O3The sandwich film layer structure) is adopted, the visual angle range of the user capable of clearly watching the characters on the surface of the shell can be further expanded, so that the appearance texture of the electronic equipment is improved, and the use experience of the user is improved.
Referring to fig. 3, an embodiment of the present disclosure also provides a housing 100 of an electronic device, including: a substrate 10 made of semitransparent material, an oblique incidence optical film 20, a character layer 30 and a semitransparent optical film 40. The substrate 10 includes a first surface 101 and a second surface 102 opposite to the first surface 101, where the first surface 101 is an outer surface of a housing 100 of an electronic device. The oblique incidence optical film 20 is prepared on the first surface 101 of the substrate 10. The transflective optical film 40 is prepared on the second surface 102 of the substrate 10. The character layer 30 is prepared on the surface of the oblique incidence optical film 20. It should be noted that the electronic device described in this disclosure may be a mobile device (e.g., a mobile phone), a wearable device, or other electronic devices. Taking the electronic device 100 as a mobile phone as an example, the first surface 101 of the substrate 10 serves as an outer surface of the mobile phone, and the second surface 102 of the substrate 10 serves as an inner surface of the mobile phone.
It can be seen from the foregoing embodiments that, in the present disclosure, the oblique-incidence optical film 20 is used in combination with the transflective optical film 40, the transflective optical film 40 can change the reflection and transmission characteristics of the surface of the housing, and play a role in blurring the background, and the oblique-incidence optical film 20 can enable a user to view characters at an oblique-incidence viewing angle and view characters at a vertical-incidence viewing angle to achieve the same visual effect, so as to expand the viewing angle range within which the user can clearly view the characters, and therefore, the oblique-incidence optical film 20 is used in combination with the transflective optical film 40, which can solve the problem that the characters on the surface of the housing have shadows, so as to improve the appearance quality of the electronic device 100.
Referring to fig. 4, in an alternative embodiment, a casing 100 of an electronic device according to an embodiment of the disclosure includes a substrate 10 made of a translucent material, an oblique-incidence optical film 20, a character layer 30, a transflective optical film 40, and an ink layer 50. The substrate 10 includes a first surface 101 and a second surface 102, which are oppositely disposed, where the first surface 101 is an outer surface of a housing 100 of an electronic device. The oblique incidence optical film 20 is prepared on the first surface 101 of the substrate 10. The transflective optical film 40 is prepared on the second surface 102 of the substrate. The character layer 30 is prepared on the surface of the oblique incidence optical film 20. The ink layer 50 is prepared on the surface of the transflective optical film 40.
The ink layer 50 may be a colored or white ink layer, and the ink layer 50 may be made of paint or ink and may be formed by spraying or printing. The ink layer 50 may protect the transflective optical film 40, and may also serve as a background color of the case to increase the surface color expression of the case. For example, the ink layer 50 is a red ink layer, which can make the housing show a red color effect. The ink layer 50 is a green ink layer, which can make the housing show a green color effect. The ink layer 50 is a white ink layer, so that the shell can have a white color effect of the zirconia ceramic.
In an alternative embodiment, the ratio T% of the transmittance (T%) and the reflectance (R%) of the transflective optical film 40 is 1/9-9/1. The thickness of the semi-transparent and semi-reflective optical film 40 is 0.1-5 μm. The material of the transflective optical film 40 may be any one of silicon oxide, titanium oxide, silicon nitride, lanthanum zirconate, and niobium oxide. According to the color requirements of different processing requirements, the thickness of the transflective optical film and the material of the transflective optical film can be adjusted to meet different color design requirements.
In an alternative embodiment, the oblique-incidence optical film 20 is a multi-layer film structure, for example, the multi-layer film structure may include two titanium oxide film layers and a titanium film layer (corresponding to TiO) prepared between the two titanium oxide film layers2/Ti/TiO2Or the multilayer film structure may include two lanthanum oxide film layers and a lanthanum film layer prepared between the two lanthanum oxide film layers (i.e., corresponding to La), or the multilayer film structure may include two lanthanum oxide film layers and a lanthanum film layer prepared between the two lanthanum oxide film layers2O3/La/La2O3The sandwich film layer structure) is adopted, the visual angle range of the user capable of clearly watching the characters on the surface of the shell can be further expanded, so that the appearance texture of the electronic equipment is improved, and the use experience of the user is improved.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (15)
1. A method for preparing a shell of an electronic device, comprising:
providing a substrate made of a semitransparent material, wherein the substrate comprises a first surface and a second surface opposite to the first surface, and the first surface is the outer surface of a shell of electronic equipment;
preparing and forming an optical film on the first surface of the base material in a preparation mode of oblique incidence, and preparing and forming a semi-transparent and semi-reflective optical film on the second surface of the base material; depositing the optical film on the first surface of the base material by adopting a vacuum coating method;
preparing and forming a character layer on the surface of the optical film to obtain a shell of the electronic equipment; and through the matching of the semi-transparent semi-reflective optical film and the optical film, the visual effect of the character layer under an oblique incidence visual angle is the same as that under a vertical incidence visual angle.
2. The method of claim 1, wherein the translucent substrate is white zirconia ceramic.
3. The method of manufacturing a case for an electronic device according to claim 1, wherein the transflective optical film is formed on the second surface of the substrate by vacuum deposition; and depositing the character layer on the surface of the optical film by adopting a vacuum coating method.
4. The method for manufacturing a housing of an electronic device according to claim 1, further comprising, after the step of forming a transflective optical film on the second surface of the substrate, the step of:
and preparing and forming a colored or white ink layer on the surface of the semi-transparent and semi-reflective optical film.
5. The method for manufacturing a case of an electronic device according to claim 1, wherein the ratio of the transmittance and the reflectance of the transflective optical film is 1/9 to 9/1.
6. The method of manufacturing a case for an electronic device according to claim 1, wherein the thickness of the transflective optical film is 0.1 μm to 5 μm.
7. The method of manufacturing a case of an electronic device according to claim 1, wherein the optical film is a multilayer film structure comprising:
two titanium oxide film layers and a titanium film layer prepared between the two titanium oxide film layers; or
Two lanthanum oxide film layers and a lanthanum film layer prepared between the two lanthanum oxide film layers.
8. The method of manufacturing a case of an electronic device according to claim 1, wherein a material of the semi-transparent semi-reflective optical film is any one of silicon oxide, titanium oxide, silicon nitride, lanthanum zirconate, and niobium oxide.
9. A housing for an electronic device, comprising:
the electronic device comprises a substrate made of semitransparent materials, wherein the substrate comprises a first surface and a second surface opposite to the first surface, and the first surface is the outer surface of a shell of the electronic device;
the optical film is prepared on the first surface of the substrate; the optical film is deposited and formed on the first surface of the base material in an oblique incidence preparation mode through a vacuum coating method;
the character layer is prepared on the surface of the optical film;
a transflective optical film prepared on the second surface of the substrate; and through the matching of the semi-transparent semi-reflective optical film and the optical film, the visual effect of the character layer under an oblique incidence visual angle is the same as that under a vertical incidence visual angle.
10. The casing of the electronic device according to claim 9, further comprising an ink layer prepared on a surface of the transflective optical film.
11. The housing of claim 9, wherein the translucent substrate is white zirconia ceramic.
12. The electronic device case according to claim 9, wherein the ratio of the transmittance and the reflectance of the transflective optical film is 1/9 to 9/1.
13. The electronic device case according to claim 9, wherein the transflective optical film has a thickness of 0.1 μm to 5 μm.
14. The electronic device case according to claim 9, wherein the optical film is a multilayer film structure comprising:
two titanium oxide film layers and a titanium film layer prepared between the two titanium oxide film layers; or
Two lanthanum oxide film layers and a lanthanum film layer prepared between the two lanthanum oxide film layers.
15. The electronic device case according to claim 9, wherein the material of the transflective optical film is any one of silicon oxide, titanium oxide, silicon nitride, lanthanum zirconate, and niobium oxide.
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| CN109067939A (en) * | 2018-06-28 | 2018-12-21 | Oppo广东移动通信有限公司 | Shell of electronic equipment and preparation method thereof, electronic equipment |
| CN112074134A (en) * | 2019-06-10 | 2020-12-11 | 北京小米移动软件有限公司 | Metal shell of electronic equipment and processing technology thereof |
| CN110392499A (en) * | 2019-08-28 | 2019-10-29 | Oppo广东移动通信有限公司 | Casting of electronic device and preparation method thereof and electronic equipment |
| CN111114161B (en) * | 2019-12-31 | 2022-05-20 | Oppo广东移动通信有限公司 | Housing, electronic device, and method for manufacturing housing |
| CN114980593A (en) * | 2021-02-18 | 2022-08-30 | 北京小米移动软件有限公司 | Optical film, housing, terminal and preparation method of optical film |
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| TW557371B (en) * | 2001-07-02 | 2003-10-11 | Sumitomo Chemical Co | Semi-transparent-semi-reflectivity film, semi- transparent-semi-reflectivity polarized film, polarized light device using these films, and liquid crystal display device using these films |
| CN100490615C (en) * | 2005-03-25 | 2009-05-20 | 鸿富锦精密工业（深圳）有限公司 | Portable electronic device housing |
| JP4760275B2 (en) * | 2005-05-23 | 2011-08-31 | ソニー株式会社 | Liquid crystal display |
| CN101652035A (en) * | 2008-08-13 | 2010-02-17 | 深圳富泰宏精密工业有限公司 | Portable electronic device shell |
| JP5418144B2 (en) * | 2009-10-23 | 2014-02-19 | セイコーエプソン株式会社 | LIGHT EMITTING DEVICE AND ELECTRONIC DEVICE |
| CN205376009U (en) * | 2015-12-21 | 2016-07-06 | 曹嘉灿 | Blanking frame display device and display |
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