CN107799836A - Solid state battery preparation method, solid state battery and terminal - Google Patents
Solid state battery preparation method, solid state battery and terminal Download PDFInfo
- Publication number
- CN107799836A CN107799836A CN201610808538.4A CN201610808538A CN107799836A CN 107799836 A CN107799836 A CN 107799836A CN 201610808538 A CN201610808538 A CN 201610808538A CN 107799836 A CN107799836 A CN 107799836A
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- solid
- terminal
- battery
- state battery
- filling
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- 239000007787 solid Substances 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 239000003989 dielectric material Substances 0.000 claims description 12
- 239000010409 thin film Substances 0.000 claims description 10
- 239000007773 negative electrode material Substances 0.000 claims description 9
- 239000007774 positive electrode material Substances 0.000 claims description 9
- 239000010405 anode material Substances 0.000 claims description 5
- 239000010406 cathode material Substances 0.000 claims description 5
- 239000007772 electrode material Substances 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 15
- 238000010586 diagram Methods 0.000 description 12
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 10
- 229910001416 lithium ion Inorganic materials 0.000 description 10
- 238000004590 computer program Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 6
- 239000003792 electrolyte Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002360 explosive Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002609 medium Substances 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 238000012356 Product development Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The embodiment of the invention discloses a kind of solid state battery preparation method, methods described includes：The gap portion of each inter-module of terminal inner is defined as to the filling region of solid state battery；Designed according to the filling region and fill the solid state battery.The embodiment of the present invention also provides a kind of solid state battery and terminal.
Description
Technical Field
The invention relates to a battery design technology in the field of terminals, in particular to a solid-state battery manufacturing method, a solid-state battery and a terminal.
Background
With the development of intellectualization and lightness and thinness of terminals, the safety performance of the battery carried by the terminal and the influence of the shape and size of the battery on the structural design of the terminal become more and more concerned problems.
The battery that uses on the present terminal is lithium ion battery mostly, and lithium ion battery uses liquid electrolyte, and is flammable and explosive, simultaneously, because lithium ion battery needs to use sealed protection, the periphery has hard protective layer, makes flat rectangle, regular appearance such as cylindrical, and its structural design is great to the molding size restriction of complete machine, hardly satisfies the requirement of terminal product development of the day-by-day difference.
Therefore, the problems associated with the conventional lithium ion battery configuration are as follows: firstly, potential safety hazards exist, and the electrolyte is flammable and explosive under the condition of high-temperature overcharge; and secondly, the structural design of sealing and protection is easy to limit the overall structural design of the terminal.
Disclosure of Invention
In order to solve the above technical problems, embodiments of the present invention desirably provide a solid-state battery manufacturing method, a solid-state battery, and a terminal, where the method reduces the inherent space requirement of the conventional lithium ion battery, has flexible design, and improves safety by replacing the conventional lithium ion battery with the solid-state battery.
The technical scheme of the invention is realized as follows:
the embodiment of the invention provides a method for manufacturing a solid-state battery, which comprises the following steps:
determining a gap part between each component in the terminal as a filling area of the solid-state battery;
and designing and filling the solid-state battery according to the filling area.
In the foregoing aspect, the filling area includes at least one of the following:
a gap between the shield and the structural member inside the terminal;
a gap between a structural member inside the terminal and the circuit board;
gaps between shields inside the terminal;
a gap between the shield and the device inside the terminal.
In the above aspect, the designing and filling the solid-state battery according to the filling region includes:
dividing the filling area into different types of space areas according to the structure type of the filling area, wherein the space areas comprise thin layer spaces, block-shaped spaces and cylindrical spaces;
solid-state batteries of different structural types are designed and filled according to the shape and size of the spatial region.
In the above solution, the designing and filling the solid-state batteries of different structural types according to the shape and size of the space region includes:
designing and filling a solid-state thin-film battery according to the shape and size of the thin-layer space;
designing and filling a block-shaped laminated solid-state battery according to the shape and size of the block-shaped space;
designing and filling an annular laminated solid-state battery according to the shape and size of the cylindrical space;
wherein the bulk stacked solid state battery and the ring stacked solid state battery comprise a plurality of layers of a positive electrode material, a negative electrode material, and a dielectric material.
In the above aspect, the designing and filling a solid-state thin-film battery according to the shape and size of the thin-film space includes:
sequentially stacking a positive electrode material, a negative electrode material and a dielectric material of the battery in the thin layer space;
and leading out the anode and the cathode of the battery from the anode material and the cathode material.
In the above scheme, the method further comprises:
the solid-state battery and the components in the terminal are combined and processed to be assembled into an integral component; or,
and making the electrode material or the dielectric material of the solid-state battery into a part of the component inside the terminal.
In the above scheme, the method further comprises:
and connecting the solid-state battery in any one of the filling areas with the solid-state batteries in other areas according to the anode and the cathode of the battery to form an integral battery, or respectively connecting the batteries in all areas to form completely independent batteries.
In the above scheme, the method further comprises:
the management of the solid-state battery includes at least one of: high temperature protection, low temperature protection, power supply control, overvoltage protection, overcurrent protection, overcharge protection and overdischarge protection.
The embodiment of the invention provides a solid-state battery which is manufactured according to the method.
An embodiment of the present invention provides a terminal, including: the solid-state battery is used for supplying power to each terminal module of the terminal.
The embodiment of the invention provides a solid-state battery manufacturing method, a solid-state battery and a terminal. The method can fully utilize the clearance part among the components, reduces the inherent space requirement of the traditional lithium ion battery, has flexible and various design, provides conditions for the light and thin design of the terminal, simultaneously uses the solid battery to replace the traditional lithium ion battery, overcomes the safety problems of inflammable, explosive and the like of electrolyte, and improves the safety.
Drawings
Fig. 1 is a schematic flow chart illustrating a method for manufacturing a solid-state battery according to an embodiment of the present invention;
FIG. 2 is a partial structural diagram of a conventional terminal;
fig. 3 is a schematic structural diagram of a terminal battery provided by an embodiment of the invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The solid-state battery manufacturing method provided by the embodiment of the invention is suitable for battery schemes of various terminals, particularly for battery schemes of light and thin terminals, has the characteristics of no need of sealing and protection, is flexible in structural design and free from the limitations of space, shape and the like, designs a corresponding battery according to the space of a design structure of a terminal product, and fully utilizes the structural gap of the terminal.
Fig. 1 is a schematic flow chart of a method for manufacturing a solid-state battery according to an embodiment of the present invention, as shown in fig. 1, the method includes:
step 101: and determining the gap part between the components in the terminal as the filling area of the solid-state battery.
In this step, the components inside the terminal include: the structural part: structural parts for maintaining the shape of the terminal, reinforcing the terminal, protecting other modules of the terminal, and other functional parts which are gradually incorporated into the structural member at present, such as a horn, a radio frequency antenna, and the like. A circuit board: the board comprises conductors and media and is used for realizing circuit routing. A shielding member: various metallic and non-metallic structures for achieving the shielding effect. The device comprises the following components: the components that perform a certain electrical function include circuit modules that perform various functions. The gap between the above components is used as a filling region of the solid-state battery.
It is noted that the description of the above components includes, but is not limited to, the listed concepts. The above definitions are for general description, but there is no clear limitation between the concepts.
Step 102: the solid-state battery is designed and filled according to the filling area.
In this step, after the filling region of the solid-state battery is determined, the solid-state battery is designed in the filling region and the designed solid-state battery is filled into the filling region. Specifically, the shape and size of the solid-state battery to be filled may be designed according to the shape and size of the filling region, and then the electrode material and the dielectric material of the battery are filled in the filling region according to the requirements of the shape and size. The filled solid-state battery is not limited to one, and can be divided into a plurality of different types of filling areas according to the types of gaps among the components, so that a plurality of flexible and various solid-state batteries can be filled and designed.
In this embodiment, a filling area between components inside the terminal is determined as a filling area of the solid-state battery, and the solid-state battery is designed and filled according to the filling area. According to the method, the solid-state battery is designed according to the structural space of a terminal product, the gap part among all components can be fully utilized, the inherent space requirement of the traditional lithium ion battery is reduced, the design is flexible and various, conditions are provided for the light and thin design of the terminal, meanwhile, the solid-state battery is used for replacing the traditional lithium ion battery, the safety problems of flammability, explosiveness and the like of electrolyte are solved, and the safety is improved.
Further, the filling area includes:
a gap between the shield and the structural member inside the terminal;
a gap between a structural member inside the terminal and the circuit board;
gaps between shields inside the terminal;
a gap between the shield and the device inside the terminal.
Specifically, fig. 2 is a partial structure object diagram of the conventional terminal. As shown in fig. 2, the region 101 is a battery module, and occupies a large volume of the terminal. The embodiment of the invention can fully utilize the following area of the terminal as the filling area of the solid battery. The methods of the present invention include, but are not limited to, the subordinate species space.
Utilizing the gap between the structural member and the circuit board;
utilizing the gap between the shields;
utilizing a gap between the shield and the device;
utilizing the gap between the shield and the structural member.
All the spaces are used as battery spaces to manufacture the all-solid-state battery, so that the space of the primary battery module 101 is saved, the overall volume requirement of the terminal is reduced, the gaps among the modules of the terminal can be reduced, the overall heat dissipation effect of the terminal is improved, the available space can be increased under the condition that the overall volume of the terminal is not changed, and the battery capacity is increased.
Further, the designing and filling the solid-state battery according to the filling region includes:
dividing the filling area into different types of space areas according to the structure type of the filling area, wherein the space areas comprise thin layer spaces, block-shaped spaces and cylindrical spaces;
solid-state batteries of different structural types are designed and filled according to the shape and size of the spatial region.
Further, the designing and filling of the solid-state batteries of different structural types according to the shape and size of the space region includes:
designing and filling a solid-state thin-film battery according to the shape and size of the thin-layer space;
designing and filling a block-shaped laminated solid-state battery according to the shape and size of the block-shaped space;
designing and filling an annular laminated solid-state battery according to the shape and size of the cylindrical space;
wherein the bulk stacked solid state battery and the ring stacked solid state battery comprise a plurality of layers of a positive electrode material, a negative electrode material, and a dielectric material.
Specifically, the filling region may be divided into a thin space, a block space, a cylindrical space, etc. according to the structure type of the filling region, and then solid-state batteries of different structure types are fabricated according to the shape and size of the thin space, including but not limited to: solid-state thin-film batteries, block-stacked solid-state batteries, ring-stacked solid-state batteries. Wherein the bulk stacked solid state battery and the ring stacked solid state battery comprise a plurality of layers of a positive electrode material, a negative electrode material, and a dielectric material.
Further, the designing and filling of the solid-state thin film battery according to the shape and size of the thin film space includes:
sequentially stacking a positive electrode material, a negative electrode material and a dielectric material of the battery in the thin layer space;
and leading out the anode and the cathode of the battery from the anode material and the cathode material.
Specifically, the process of fabricating a solid film battery is described by taking as an example a very thin gap between the shield and the structural member. According to the specific structural shape and the gap size of the thin layer space, a battery anode material, a battery cathode material and a battery dielectric material are superposed in the thin layer space; and the anode and the cathode of the battery are led out from the anode material and the cathode material to be used by each module of the terminal.
Thin film batteries can also be made as described above for very thin gaps between the structural member and the circuit board.
For the block space between the shielding piece and the shielding piece, a corresponding multi-layer solid battery is designed according to the specific size and shape of the space, and comprises a plurality of layers of positive electrode materials, negative electrode materials and medium materials, and positive and negative electrodes of the battery are led out from the layers.
And designing an annular laminated solid-state battery for the cylindrical space in the terminal, wherein the annular laminated solid-state battery comprises a plurality of layers of positive electrode materials, negative electrode materials and medium materials, and positive and negative electrodes of the battery are led out from the lamination.
Further, the detailed design of the solid-state battery can be combined with smaller space, so that more optimized design and more sufficient space utilization can be realized. Such as smaller inter-device gaps, smaller inter-structure gaps.
Further, the method further comprises:
the solid-state battery and the components in the terminal are combined and processed to be assembled into an integral component; or,
and making the electrode material or the dielectric material of the solid-state battery into a part of the component inside the terminal.
Specifically, after the terminal structure is designed, the solid-state battery is processed as a device and a circuit board into a whole, and is assembled into the terminal as a part; alternatively, the solid-state battery may be formed as a part of the structural member and integrally formed with the structural member. The design of the solid-state battery is thus assembled as part of the structural design into a terminal. Likewise, the solid-state battery and the shield or other components of the terminal may be treated as described above.
Further, the method further comprises:
and connecting the solid-state batteries manufactured in any one of the filling areas with the solid-state batteries manufactured in other areas according to the anode and the cathode of the batteries to form an integral battery, or respectively connecting the batteries in all areas to form completely independent batteries.
Specifically, the respective battery modules, which are designed according to the terminal structure, are directly connected through electrodes or electrolytes into an integrated battery, or are partially connected or completely independent battery modules. The connection of the positive electrode and the negative electrode of the battery is controlled and used by the terminal together with the connection of other batteries, or is independently controlled and used by the terminal or a certain module of the terminal.
Further, the management and usage of each battery module is designed according to a specific terminal. Including high temperature protection, low temperature protection, power supply control, overvoltage protection, overcurrent protection, overcharge protection, overdischarge protection, and the like.
The embodiment of the invention provides a solid-state battery, which is manufactured according to the manufacturing method of the solid-state battery.
The manufacturing scheme of the solid-state battery of the embodiment of the invention also has the technical effects of reducing the air gap inside the terminal, improving the whole heat dissipation efficiency of the terminal, fully utilizing the space gap inside the terminal and improving the battery capacity of the terminal.
An embodiment of the present invention further provides a terminal, including: the solid-state battery is used for supplying power to each terminal module of the terminal.
Fig. 3 is a schematic structural diagram of a terminal battery provided by an embodiment of the present invention, and as shown in fig. 3, the terminal includes: the terminal module comprises a terminal module 1, a terminal module 2, a terminal module 3 and battery modules, wherein the battery modules are distributed among the terminal modules. Each terminal module includes: circuit modules such as devices of the terminal; structural members such as steel plates, front shells and rear shells; the device comprises component modules such as a camera, a display screen and a touch screen; and other functional modules, etc. The battery module is designed according to the space of a terminal product design structure, has the characteristics of no need of sealing and protection, is flexible in structural design, is not limited by space, shape and the like, and can fully utilize the terminal structure gap.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of a hardware embodiment, a software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (10)
1. A method of making a solid state battery, the method comprising:
determining a gap part between each component in the terminal as a filling area of the solid-state battery;
and designing and filling the solid-state battery according to the filling area.
2. The method of claim 1, wherein the fill area comprises at least one of:
a gap between the shield and the structural member inside the terminal;
a gap between a structural member inside the terminal and the circuit board;
gaps between shields inside the terminal;
a gap between the shield and the device inside the terminal.
3. The method of claim 1, wherein said designing and filling the solid-state battery according to the filling area comprises:
dividing the filling area into different types of space areas according to the structure type of the filling area, wherein the space areas comprise thin layer spaces, block-shaped spaces and cylindrical spaces;
solid-state batteries of different structural types are designed and filled according to the shape and size of the spatial region.
4. The method of claim 3, wherein designing and filling solid-state batteries of different structural types according to the shape and size of the spatial region comprises:
designing and filling a solid-state thin-film battery according to the shape and size of the thin-layer space;
designing and filling a block-shaped laminated solid-state battery according to the shape and size of the block-shaped space;
designing and filling an annular laminated solid-state battery according to the shape and size of the cylindrical space;
wherein the bulk stacked solid state battery and the ring stacked solid state battery comprise a plurality of layers of a positive electrode material, a negative electrode material, and a dielectric material.
5. The method of claim 4, wherein designing and filling a solid-state thin film battery according to the shape and size of the thin layer space comprises:
sequentially stacking a positive electrode material, a negative electrode material and a dielectric material of the battery in the thin layer space;
and leading out the anode and the cathode of the battery from the anode material and the cathode material.
6. The method of claim 1, further comprising:
the solid-state battery and the components in the terminal are combined and processed to be assembled into an integral component; or,
and making the electrode material or the dielectric material of the solid-state battery into a part of the component inside the terminal.
7. The method of claim 1, further comprising:
and connecting the solid-state battery in any one of the filling areas with the solid-state batteries in other areas according to the anode and the cathode of the battery to form an integral battery, or respectively connecting the batteries in all areas to form completely independent batteries.
8. The method of claim 1, further comprising:
the management of the solid-state battery includes at least one of: high temperature protection, low temperature protection, power supply control, overvoltage protection, overcurrent protection, overcharge protection and overdischarge protection.
9. A solid-state battery, characterized in that it is a battery manufactured according to the method of any one of claims 1 to 8.
10. A terminal, comprising: the solid-state battery of claim 9, configured to power each terminal module of a terminal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610808538.4A CN107799836A (en) | 2016-09-07 | 2016-09-07 | Solid state battery preparation method, solid state battery and terminal |
| PCT/CN2017/073732 WO2018045720A1 (en) | 2016-09-07 | 2017-02-16 | Solid-state battery manufacturing method, solid-state battery and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610808538.4A CN107799836A (en) | 2016-09-07 | 2016-09-07 | Solid state battery preparation method, solid state battery and terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107799836A true CN107799836A (en) | 2018-03-13 |
Family
ID=61529994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610808538.4A Withdrawn CN107799836A (en) | 2016-09-07 | 2016-09-07 | Solid state battery preparation method, solid state battery and terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107799836A (en) |
| WO (1) | WO2018045720A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233920A (en) * | 2019-07-15 | 2019-09-13 | Oppo广东移动通信有限公司 | Mobile terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233920A (en) * | 2019-07-15 | 2019-09-13 | Oppo广东移动通信有限公司 | Mobile terminal |
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| Publication number | Publication date |
|---|---|
| WO2018045720A1 (en) | 2018-03-15 |
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Application publication date: 20180313 |