CN108156776A - Housing of electronic equipment and preparation method thereof - Google Patents
Housing of electronic equipment and preparation method thereof Download PDFInfo
- Publication number
- CN108156776A CN108156776A CN201711396543.XA CN201711396543A CN108156776A CN 108156776 A CN108156776 A CN 108156776A CN 201711396543 A CN201711396543 A CN 201711396543A CN 108156776 A CN108156776 A CN 108156776A
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- Prior art keywords
- optical film
- semi
- housing
- electronic equipment
- layer
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Classifications
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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
-
- 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)
- Laminated Bodies (AREA)
Abstract
Housing the disclosure is directed to electronic equipment and preparation method thereof, the method includes：The base material of translucent material is provided, base material includes first surface and the second surface opposite with first surface, outer surface of the first surface for the housing of electronic equipment；It prepares to form oblique incidence optical film in the first surface of base material, prepares to form semi-transparent semi-reflective optical film in the second surface of base material；It prepares to form character layer on the surface of oblique incidence optical film, obtains the housing of electronic equipment.Semi-transparent semi-reflective optical film can change the transmission and reflection characteristic of surface of shell, play the role of blurring background, oblique incidence optical film can make user watch character under oblique incidence visual angle and reach same visual effect with watching character under normal-incidence viewing angle, therefore oblique incidence optical film and semi-transparent semi-reflective optical film are used cooperatively, the character of surface of shell can be solved the problems, such as there are shade, and then extend one's service and can clearly watch the angular field of view of character.
Description
Technical field
This disclosure relates to housing of housing processing technology field more particularly to a kind of electronic equipment and preparation method thereof.
Background technology
Zirconia ceramics is a kind of new ceramic material, and it is good to have wear-resisting, corrosion-resistant, high intensity, high tenacity, thermal stability
Etc. many good characteristics.Compared with metal and plastics, zirconia ceramics has high Mohs' hardness, dielectric constant height, no signal screen
It covers and the characteristics of good biocompatibility, has broad application prospects on smart mobile phone, wearable device, this causes zirconium oxide
Ceramics will also gradually cut mobile terminal industrial chain, become after plastics and metal using fingerprint recognition cover board, cell phone rear cover as starting point
The third-largest mobile phone back veneer material later.
When being presently used for the surface manufacture character of the zirconia ceramics housing of electronic equipment, the character back side there are shade, this
The exquisite degree of electronic equipment casing is seriously affected.
Invention content
The disclosure provides housing of a kind of electronic equipment and preparation method thereof, and the character that can solve surface of shell has the moon
The problem of shadow.
According to the embodiment of the present disclosure in a first aspect, provide a kind of electronic equipment housing preparation method, including：
The base material of translucent material is provided, the base material includes first surface and second table opposite with the first surface
Face, outer surface of the first surface for the housing of electronic equipment；
It prepares to form oblique incidence optical film in the first surface of the base material, prepares to be formed in the second surface of the base material
Semi-transparent semi-reflective optical film；
It prepares to form character layer on the surface of the oblique incidence optical film, obtains the housing of electronic equipment.
Optionally, the base material of the translucent material is white oxide zircon ceramic.
Optionally, it deposits to form the oblique incidence optical film using Vacuum Coating method in the first surface of the base material；
The second surface of the base material deposits to form the semi-transparent semi-reflective optical film using Vacuum Coating method；In the oblique incidence optics
The surface of film deposits to form the character layer using Vacuum Coating method.
Optionally, it after the second surface of the base material prepares and to form semi-transparent semi-reflective optical film, further includes：
It prepares to form colored or white ink layer on the surface of the semi-transparent semi-reflective optical film.
Optionally, the transmitance of the semi-transparent semi-reflective optical film and the ratio of reflectivity are 1/9~9/1.
Optionally, the thickness of the semi-transparent semi-reflective optical film is 0.1 μm~5 μm.
Optionally, the oblique incidence optical film is multi-layer film structure, and the multi-layer film structure includes：
Two layers of titanium oxide layer and the titanium film layer being prepared between two layers of titanium oxide layer；Or
Two layers of lanthana film layer and the lanthanum film layer being prepared between two layers of lanthana film layer.
Optionally, the material of the semi-transparent semi-reflective optical film is silica, titanium oxide, silicon nitride, zirconic acid lanthanum and oxygen
Change any one in niobium.
According to the second aspect of the embodiment of the present disclosure, the housing of a kind of electronic equipment is provided, including：
The base material of translucent material, the base material include first surface and the second surface opposite with the first surface,
Outer surface of the first surface for the housing of electronic equipment；
Oblique incidence optical film is prepared in the first surface of the base material；
Character layer is prepared in the surface of the oblique incidence optical film；
Semi-transparent semi-reflective optical film is prepared in the second surface of the base material.
Optionally, ink layer is further included, is prepared in the surface of the semi-transparent semi-reflective optical film.
Optionally, the base material of the translucent material is white oxide zircon ceramic.
Optionally, the transmitance of the semi-transparent semi-reflective optical film and the ratio of reflectivity are 1/9~9/1.
Optionally, the thickness of the semi-transparent semi-reflective optical film is 0.1 μm~5 μm.
Optionally, the oblique incidence optical film is multi-layer film structure, and the multi-layer film structure includes：
Two layers of titanium oxide layer and the titanium film layer being prepared between two layers of titanium oxide layer；Or
Two layers of lanthana film layer and the lanthanum film layer being prepared between two layers of lanthana film layer.
Optionally, the material of the semi-transparent semi-reflective optical film is silica, titanium oxide, silicon nitride, zirconic acid lanthanum and oxygen
Change any one in niobium.
The technical scheme provided by this disclosed embodiment can include the following benefits：
It is semi-transparent by above-described embodiment it is found that oblique incidence optical film and semi-transparent semi-reflective optical film are used cooperatively by the disclosure
Semi-reflective optical film can change the transmission and reflection characteristic of surface of shell, play the role of blurring background, oblique incidence optical film
User can be made to watch character under oblique incidence visual angle and reach same visual effect with watching character under normal-incidence viewing angle,
And then it extends one's service and can clearly watch the angular field of view of character, therefore oblique incidence optical film and semi-transparent semi-reflective optical film are matched
It closes and uses, the character of surface of shell can be solved the problems, such as there are shade, to improve the appearance tactile impression of electronic equipment.
It should be understood that above general description and following detailed description are only exemplary and explanatory, not
The disclosure can be limited.
Description of the drawings
Attached drawing herein is incorporated into specification and forms the part of this specification, shows the implementation for meeting the disclosure
Example, and for explaining the principle of the disclosure together with specification.
Fig. 1 is the flow chart according to the preparation method of the housing of a kind of electronic equipment shown in an exemplary embodiment.
Fig. 2 is the optical curve figure according to the housing of a kind of electronic equipment shown in an exemplary embodiment.
Fig. 3 is the structure diagram according to the housing of a kind of electronic equipment shown in an exemplary embodiment.
Fig. 4 is the structure diagram according to the housing of another electronic equipment shown in an exemplary embodiment.
Specific embodiment
Here exemplary embodiment will be illustrated in detail, example is illustrated in the accompanying drawings.Following description is related to
During attached drawing, unless otherwise indicated, the same numbers in different attached drawings represent the same or similar element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the disclosure.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.
The disclosure provides housing of a kind of electronic equipment and preparation method thereof, and the character that can solve surface of shell has the moon
The problem of shadow.Below in conjunction with the accompanying drawings, it describes in detail to housing of electronic equipment of the disclosure and preparation method thereof.It is not rushing
In the case of prominent, the feature in following embodiment and embodiment can be combined with each other.
Shown in Figure 1, the embodiment of the present disclosure provides the preparation method of the housing of a kind of electronic equipment, including：
Step S11：The base material of translucent material is provided, the base material includes first surface and opposite with the first surface
Second surface, the first surface for electronic equipment housing outer surface.Optionally, the base material of the translucent material is
White oxide zircon ceramic.It should be noted that the electronic equipment described in the disclosure can be mobile equipment (such as mobile phone), can
Wearable or other electronic equipments.By electronic equipment for for mobile phone, then the first surface of the base material is as mobile phone
Outer surface, the inner surface of the second surface of the base material as mobile phone.
Step S12：It prepares to form oblique incidence optical film in the first surface of the base material, in the second surface of the base material
Preparation forms semi-transparent semi-reflective optical film.
Step S13：It prepares to form character layer on the surface of the oblique incidence optical film, obtains the housing of electronic equipment.It can
Selection of land, the character layer can be silver color, the logo characters of gold other colors or other characters for needing to show.
It is semi-transparent by above-described embodiment it is found that oblique incidence optical film and semi-transparent semi-reflective optical film are used cooperatively by the disclosure
Semi-reflective optical film can change the transmission and reflection characteristic of surface of shell, play the role of blurring background, oblique incidence optical film
User can be made to watch character under oblique incidence visual angle and reach same visual effect with watching character under normal-incidence viewing angle,
And then it extends one's service and can clearly watch the angular field of view of surface of shell character, therefore by oblique incidence optical film and semi-transparent semi-reflective
Optical film is used cooperatively, and the character of surface of shell can be solved the problems, such as there are shade, to improve the appearance tactile impression of electronic equipment
With the usage experience for improving user.
In an optional embodiment, Vacuum Coating method may be used in the first surface of the base material and deposit to form institute
Oblique incidence optical film is stated, Vacuum Coating method, which may be used, in the second surface of the base material deposits to form the semi-transparent semi-reflective light
Film is learned, Vacuum Coating method may be used on the surface of the oblique incidence optical film and deposit to form the character layer.
Wherein, Vacuum Coating method is PVD (Physical Vapor Deposition, physical vapour deposition (PVD)), is referred to
Under vacuum condition, using low-voltage, the arc-discharge technique of high current, evaporate target using gas discharge and make to be evaporated object
Matter and gas all ionize, and using the acceleration of electric field, make to be evaporated substance and its reaction product is deposited on workpiece.Very
Empty coating method has many advantages, such as excellent environment weather resistance, environment-protecting and non-poisonous, material wide adaptation range.Vacuum Coating method can wrap
Include any one in electron beam evaporation plating, reaction magnetocontrol sputtering plating, heated filament evaporation plating and ion plating.It should be noted that
Above-mentioned electron beam evaporation plating, reaction magnetocontrol sputtering plating, heated filament evaporation plating and ion plating belongs to the ordinary skill in the art
Means, therefore details are not described herein.
In an optional embodiment, in above-mentioned steps S12, prepare to form semi-transparent half in the second surface of the base material
After transoid optical film, it can further prepare to form colored or white ink on the surface of the semi-transparent semi-reflective optical film
Layer.Optionally, paint or ink may be used in the ink layer, and can prepare to be formed by way of spraying or printing.
Ink layer can play the role of the protection semi-transparent semi-reflective optical film, can also be used as the background colour of housing, increase housing
Surface color expressive force.For example, ink layer is reddish oil layer of ink, it can make housing that red color effects be presented.Ink layer
For green oil layer of ink, it can make housing that the color effects of green be presented.Ink layer is white ink layer, can make housing that oxygen be presented
Change the color effects of zircon ceramic possessed white in itself.
In an optional embodiment, in above-mentioned steps S12, prepare to form semi-transparent half in the second surface of the base material
Before transoid optical film, the first surface test in advance that photometer may be used in the base material obtains reflection optical curve, then
The suitable parameters of film of semi-transparent semi-reflective optical film is calculated according to the reflection optical curve, then further according to being calculated
Parameters of film prepares to form the semi-transparent semi-reflective optical film in the second surface of the base material.In this way, it can effectively eliminate white
The grey phase of color zirconia ceramics, and then achieve the effect that improve housing lightness.
Wherein, the parameters of film of the semi-transparent semi-reflective optical film includes film layer type, thicknesses of layers and film material
At least one of.In the present embodiment, the ratio of the transmitance (T%) of the semi-transparent semi-reflective optical film and reflectivity (R%)
Example T%:R% is 1/9~9/1.The thickness of the semi-transparent semi-reflective optical film is 0.1 μm~5 μm.The semi-transparent semi-reflective optics
Any one in silica, titanium oxide, silicon nitride, zirconic acid lanthanum and niobium oxide may be used in the material of film.Added according to difference
The color of work requirement needs, and the thickness of semi-transparent semi-reflective optical film and the material of semi-transparent semi-reflective optical film can be adjusted
It is whole, needs are designed with the color for reaching different.
It is shown in Figure 2, by the base material of translucent material for white oxide zircon ceramic, to make pottery to eliminate white oxide zirconium
The grey phase of porcelain, the then reflectivity for needing to improve semi-transparent semi-reflective optical film achieve the effect that raising lightness to reduce gray scale, therefore
The optical curve (as shown in A1 curves in Fig. 2) of the semi-transparent semi-reflective optical film of design is bent with the reflection optics of zirconia ceramics
Line (as shown in A2 curves in Fig. 2) shape is consistent and with certain reflectivity, the zirconia ceramics of such end product
The reflectivity of the reflection optical curve (as shown in A3 curves in Fig. 2) of product can just increase to reduce gray scale, and then reach
Improve the effect of housing lightness.
In an optional embodiment, the oblique incidence optical film uses multi-layer film structure, for example, the multilayer film knot
Structure can include two layers of titanium oxide layer and the titanium film layer being prepared between two layers of titanium oxide layer (that is, being
TiO2/Ti/TiO2Sandwich film layer structure) or the multi-layer film structure can include two layers of lanthana film layer and be prepared in institute
The lanthanum film layer between two layers of lanthana film layer is stated (that is, being La2O3/La/La2O3Sandwich film layer structure), use is this
The sandwich film layer structure of " metal-oxide film/metallic film/metal-oxide film ", can further extend one's service can
The angular field of view of clear viewing surface of shell character, with the usage experience for improving the appearance tactile impression of electronic equipment and improving user.
Shown in Figure 3, the embodiment of the present disclosure also provides the housing 100 of a kind of electronic equipment, including：Translucent material
Base material 10, oblique incidence optical film 20, character layer 30 and semi-transparent semi-reflective optical film 40.Wherein, the base material 10 includes first
Surface 101 and the second surface 102 opposite with first surface 101, the first surface 101 are the housing 100 of electronic equipment
Outer surface.The oblique incidence optical film 20 is prepared in the first surface 101 of the base material 10.The semi-transparent semi-reflective optical film 40
It is prepared in the second surface 102 of the base material 10.The character layer 30 is prepared in the surface of the oblique incidence optical film 20.It needs
Illustrate, the electronic equipment described in the disclosure can be mobile equipment (such as mobile phone), wearable device or other
Electronic equipment.By electronic equipment 100 for for mobile phone, then outer surface of the first surface 101 of the base material 10 as mobile phone, institute
State inner surface of the second surface 102 of base material 10 as mobile phone.
By above-described embodiment it is found that oblique incidence optical film 20 and semi-transparent semi-reflective optical film 40 are used cooperatively by the disclosure,
Semi-transparent semi-reflective optical film 40 can change the transmission and reflection characteristic of surface of shell, play the role of blurring background, oblique incidence
Optical film 20 can make user watch character under oblique incidence visual angle and reach same with watching character under normal-incidence viewing angle
Visual effect, and then extend one's service and can clearly watch the angular field of view of character, therefore by oblique incidence optical film 20 and semi-transparent half
Transoid optical film 40 is used cooperatively, and the character of surface of shell can be solved the problems, such as there are shade, to improve electronic equipment 100
Appearance tactile impression.
It is shown in Figure 4, in an optional embodiment, the housing 100 of the electronic equipment of the embodiment of the present disclosure, including
Base material 10, oblique incidence optical film 20, character layer 30, semi-transparent semi-reflective optical film 40 and the ink layer 50 of translucent material.Its
In, the base material 10 includes the first surface 101 being oppositely arranged and second surface 102, and the first surface 101 is electronic equipment
Housing 100 outer surface.The oblique incidence optical film 20 is prepared in the first surface 101 of the base material 10.Described semi-transparent half
Transoid optical film 40 is prepared in the second surface 102 of the base material.The character layer 30 is prepared in the oblique incidence optical film 20
Surface.The ink layer 50 is prepared in the surface of the semi-transparent semi-reflective optical film 40.
Wherein, the ink layer 50 can be colored or white ink layer, the ink layer 50 may be used paint or
Ink, and can prepare to be formed by way of spraying or printing.Ink layer 50 can play the protection semi-transparent semi-reflective
The effect of optical film 40 can also be used as the background colour of housing, increase the surface color expressive force of housing.For example, ink layer 50
For reddish oil layer of ink, it can make housing that red color effects be presented.Ink layer 50 is green oil layer of ink, housing can be presented
The color effects of green.Ink layer 50 is white ink layer, can make housing that zirconia ceramics possessed white in itself be presented
Color effects.
In an optional embodiment, the transmitance (T%) of the semi-transparent semi-reflective optical film 40 and reflectivity (R%)
Ratio T%:R% is 1/9~9/1.The thickness of the semi-transparent semi-reflective optical film 40 is 0.1 μm~5 μm.It is described semi-transparent semi-reflecting
Any one in silica, titanium oxide, silicon nitride, zirconic acid lanthanum and niobium oxide may be used in the material of type optical film 40.Root
It is needed according to the color of different processing requests, it can be to the thickness of semi-transparent semi-reflective optical film and the material of semi-transparent semi-reflective optical film
It is adjusted, needs is designed with the color for reaching different.
In an optional embodiment, the oblique incidence optical film 20 uses multi-layer film structure, for example, the multilayer film
Structure can include two layers of titanium oxide layer and the titanium film layer being prepared between two layers of titanium oxide layer (that is, being
TiO2/Ti/TiO2Sandwich film layer structure) or the multi-layer film structure can include two layers of lanthana film layer and be prepared in institute
The lanthanum film layer between two layers of lanthana film layer is stated (that is, being La2O3/La/La2O3Sandwich film layer structure), use is this
The sandwich film layer structure of " metal-oxide film/metallic film/metal-oxide film ", can further extend one's service can
The angular field of view of clear viewing surface of shell character, with the usage experience for improving the appearance tactile impression of electronic equipment and improving user.
Those skilled in the art will readily occur to the disclosure its after considering specification and putting into practice disclosure disclosed herein
Its embodiment.The disclosure is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principle of the disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.Description and embodiments are considered only as illustratively, and the true scope and spirit of the disclosure are by following
Claim is pointed out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by appended claim.
Claims (15)
1. the preparation method of the housing of a kind of electronic equipment, which is characterized in that including：
The base material of translucent material is provided, the base material includes first surface and the second surface opposite with the first surface,
Outer surface of the first surface for the housing of electronic equipment；
Prepare to form oblique incidence optical film in the first surface of the base material, the second surface of the base material prepare to be formed it is semi-transparent
Semi-reflective optical film；
It prepares to form character layer on the surface of the oblique incidence optical film, obtains the housing of electronic equipment.
2. the preparation method of the housing of electronic equipment according to claim 1, which is characterized in that the translucent material
Base material is white oxide zircon ceramic.
3. the preparation method of the housing of electronic equipment according to claim 1, which is characterized in that the first of the base material
Surface deposits to form the oblique incidence optical film using Vacuum Coating method；Vacuum Coating method is used in the second surface of the base material
Deposition forms the semi-transparent semi-reflective optical film；It deposits to form institute using Vacuum Coating method on the surface of the oblique incidence optical film
State character layer.
4. the preparation method of the housing of electronic equipment according to claim 1, which is characterized in that the second of the base material
Surface prepares to be formed after semi-transparent semi-reflective optical film, further includes：
It prepares to form colored or white ink layer on the surface of the semi-transparent semi-reflective optical film.
5. the preparation method of the housing of electronic equipment according to claim 1, which is characterized in that the semi-transparent semi-reflective light
It is 1/9~9/1 to learn the transmitance of film and the ratio of reflectivity.
6. the preparation method of the housing of electronic equipment according to claim 1, which is characterized in that the semi-transparent semi-reflective light
The thickness for learning film is 0.1 μm~5 μm.
7. the preparation method of the housing of electronic equipment according to claim 1, which is characterized in that the oblique incidence optical film
For multi-layer film structure, the multi-layer film structure includes：
Two layers of titanium oxide layer and the titanium film layer being prepared between two layers of titanium oxide layer；Or
Two layers of lanthana film layer and the lanthanum film layer being prepared between two layers of lanthana film layer.
8. the preparation method of the housing of electronic equipment according to claim 1, which is characterized in that the semi-transparent semi-reflective light
The material for learning film is any one in silica, titanium oxide, silicon nitride, zirconic acid lanthanum and niobium oxide.
9. the housing of a kind of electronic equipment, which is characterized in that including：
The base material of translucent material, the base material includes first surface and the second surface opposite with the first surface, described
Outer surface of the first surface for the housing of electronic equipment；
Oblique incidence optical film is prepared in the first surface of the base material；
Character layer is prepared in the surface of the oblique incidence optical film；
Semi-transparent semi-reflective optical film is prepared in the second surface of the base material.
10. the housing of electronic equipment according to claim 9, which is characterized in that further include ink layer, be prepared in described half
The surface of transparent semi-reflective optical film.
11. the housing of electronic equipment according to claim 9, which is characterized in that the base material of the translucent material is white
Color zirconia ceramics.
12. the housing of electronic equipment according to claim 9, which is characterized in that the semi-transparent semi-reflective optical film it is saturating
The ratio for crossing rate and reflectivity is 1/9~9/1.
13. the housing of electronic equipment according to claim 9, which is characterized in that the thickness of the semi-transparent semi-reflective optical film
Spend is 0.1 μm~5 μm.
14. the housing of electronic equipment according to claim 9, which is characterized in that the oblique incidence optical film is multilayer film
Structure, the multi-layer film structure include：
Two layers of titanium oxide layer and the titanium film layer being prepared between two layers of titanium oxide layer；Or
Two layers of lanthana film layer and the lanthanum film layer being prepared between two layers of lanthana film layer.
15. the housing of electronic equipment according to claim 9, which is characterized in that the material of the semi-transparent semi-reflective optical film
Expect for any one in silica, titanium oxide, silicon nitride, zirconic acid lanthanum and niobium oxide.
Priority Applications (1)
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| CN201711396543.XA CN108156776B (en) | 2017-12-21 | 2017-12-21 | Shell of electronic equipment and preparation method thereof |
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| CN201711396543.XA CN108156776B (en) | 2017-12-21 | 2017-12-21 | Shell of electronic equipment and preparation method thereof |
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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 |
| 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 |
| CN111114161A (en) * | 2019-12-31 | 2020-05-08 | Oppo广东移动通信有限公司 | Housing, electronic device, and method for manufacturing housing |
| 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 |
| 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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| 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 |
| WO2021036667A1 (en) * | 2019-08-28 | 2021-03-04 | Oppo广东移动通信有限公司 | Electronic device shell and manufacturing method therefor and electronic device |
| CN111114161A (en) * | 2019-12-31 | 2020-05-08 | Oppo广东移动通信有限公司 | Housing, electronic device, and method for manufacturing housing |
| 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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