CN107222032A - A kind of wireless charging electrolemma and terminal - Google Patents
A kind of wireless charging electrolemma and terminal Download PDFInfo
- Publication number
- CN107222032A CN107222032A CN201710487260.XA CN201710487260A CN107222032A CN 107222032 A CN107222032 A CN 107222032A CN 201710487260 A CN201710487260 A CN 201710487260A CN 107222032 A CN107222032 A CN 107222032A
- Authority
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- China
- Prior art keywords
- receiving coil
- coil unit
- electrolemma
- wireless charging
- output end
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
- H02J50/402—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices the two or more transmitting or the two or more receiving devices being integrated in the same unit, e.g. power mats with several coils or antennas with several sub-antennas
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of wireless charging electrolemma and terminal, the wireless charging electrolemma includes flexible base board and the receiving coil array, receiving circuit and the charging inlet that are arranged on the flexible base board；The receiving coil array includes the receiving coil unit that m rows n is arranged, and the direction that the output end of latter receiving coil unit is parallel-connected to the output end of previous receiving coil unit and is connected in parallel is located to the homonymy of the output end of first receiving coil unit successively according to line direction or column direction order；The input of the receiving circuit is connected with the output end of first receiving coil unit, and the output end of the receiving circuit is connected with the charging inlet.Wireless charging electrolemma disclosed by the invention and terminal, it is not necessary to design is re-started to terminal body and is improved, while also not interfering with the overall aesthetics of terminal body, easy to use, practicality.
Description
Technical field
The present invention relates to wireless charging technical field, more particularly to a kind of wireless charging electrolemma and terminal.
Background technology
Wireless charging, also referred to as induction charging, non-contact inductive charge, due to charging panel and charging equipment (for example
The intelligent terminals such as mobile phone, tablet personal computer) between with inductive transmit energy, between the two do not need electric wire connection.Therefore,
Wireless charging mode to user using or operation intelligent terminal bring facility.
During the present invention is realized, inventor has found that prior art has problems with：Existing wireless charging is set
Standby is typically that the components such as receiving coil are installed in intelligent terminal, this result in the need for outward appearance again to intelligent terminal and
Its internal structure is designed, and increases design cost；The use of other this wireless charging mode has limitation.
The content of the invention
It is a primary object of the present invention to propose a kind of wireless charging electrolemma and terminal, it is intended to solve prior art presence
Problem.
To achieve the above object, first aspect of the embodiment of the present invention provides a kind of wireless charging electrolemma, the wireless charging electrolemma
Including flexible base board and the receiving coil array, receiving circuit and the charging inlet that are arranged on the flexible base board；
The receiving coil array include m rows n arrange receiving coil unit, according to line direction or column direction order according to
The secondary output end by latter receiving coil unit is parallel-connected to the output end of previous receiving coil unit and parallel connection connects
The direction connect is located at the homonymy of the output end of first receiving coil unit；
The input of the receiving circuit is connected with the output end of first receiving coil unit, described to receive electricity
The output end on road is connected with the charging inlet.
Optionally, cutting wires are provided between the output end of adjacent receiving coil unit.
Optionally, the receiving coil unit includes metal lattice and the drive module electrically connected with power module；It is described
Metal lattice includes multiple metal dots, and adjacent metal dots are connected by gate-controlled switch in the metal lattice, described controllable to open
The control end of pass is connected with the drive module；The drive module receives control signal, and the gold is driven according to control signal
Belong to the gate-controlled switch conducting in dot matrix region, reception line is formed to cause the metal dots in the metal lattice region to connect
Circle..
Optionally, the receiving coil unit also includes controller；
It is described to control to be used to generate control signal to the drive module.
Optionally, the wireless charging electrolemma also includes binding agent, and the binding agent makes the wireless charging electrolemma have stickiness.
Optionally, the material of the binding agent is selected from photocuring binding material, thermosetting binder material, is mixed with a magnetic
Solidification binding material, ethylene-acetic ethylene ester copolymer system glue, polyamide-based glue, rubber series glue, the polyolefin of material
Glue or moisture-curable polyurethane adhesive.
Optionally, the receiving circuit includes the rectification circuit and DC voltage regulation circuit being connected in series.
Optionally, the charging inlet is the magnetic charging inlet of tool.
In addition, to achieve the above object, second aspect of the embodiment of the present invention provides a kind of terminal, the terminal is included eventually
End body and and the wireless charging electrolemma that is attached on the terminal body, the wireless charging electrolemma from one can cut it is wireless
Cut on charging film；
The wherein described wireless charging electrolemma cut includes flexible base board and the reception being arranged on the flexible base board
Coil array, receiving circuit and charging inlet；
The receiving coil array include m rows n arrange receiving coil unit, according to line direction or column direction order according to
The secondary output end by latter receiving coil unit is parallel-connected to the output end of previous receiving coil unit and parallel connection connects
The direction connect is located at the homonymy of the output end of first receiving coil unit；
The input of the receiving circuit is connected with the output end of first receiving coil unit, described to receive electricity
The output end on road is connected with the charging inlet.
Optionally, the receiving coil unit includes metal lattice and the drive module electrically connected with power module；It is described
Metal lattice includes multiple metal dots, and adjacent metal dots are connected by gate-controlled switch in the metal lattice, described controllable to open
The control end of pass is connected with the drive module；The drive module receives the control signal of the terminal generation, according to control
Signal drives the gate-controlled switch conducting in the metal lattice region, to cause the metal dots in the metal lattice region to connect
Connect to form receiving coil.
Wireless charging electrolemma provided in an embodiment of the present invention and terminal, by according to line direction or column direction order successively
The output end of latter receiving coil unit is parallel-connected to the output end of previous receiving coil unit and is connected in parallel
Direction be located at first receiving coil unit output end homonymy；Set between the output end of adjacent receiving coil unit
There are cutting wires；Terminal user when in use, can use according to cutting line clipping wireless charging film and being attached to enterprising exercise of terminal；
Improved without re-starting design to terminal body, while also not interfering with the overall aesthetics of terminal body, user
Just it is, practical.
Brief description of the drawings
Fig. 1 is the wireless charging membrane structure schematic diagram of the embodiment of the present invention；
Fig. 2 for the embodiment of the present invention wireless charging electrolemma in receiving coil unit structural representation；
Fig. 3 is the metal dots in the receiving coil unit of the embodiment of the present invention, the connection knot of gate-controlled switch and drive module
Structure schematic diagram；
The reception line that Fig. 4-Fig. 5 is formed after being opened for the metal lattice in the receiving coil unit of the embodiment of the present invention
Coil structures schematic diagram；
Fig. 6 is the metal lattice structural representation in the receiving coil unit of the embodiment of the present invention；
Fig. 7 is the terminal structure schematic diagram of the embodiment of the present invention.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to limit this hair
It is bright.
In the description of the invention, it is to be understood that " " center ", " on " in term, " under ", "front", "rear", " left side ",
The orientation or position relationship of instructions such as " right sides " are, based on orientation shown in the drawings or position relationship, to be for only for ease of description originally
Invention and simplified description, rather than instruction or the signified device of hint or element must be with specific orientation, with specific square
Position construction and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second " are only used for describing mesh
, and it is not intended that indicating or implying relative importance.
First embodiment
As shown in figure 1, first embodiment of the invention provides a kind of wireless charging electrolemma, the wireless charging electrolemma includes flexibility
Substrate 11 and the receiving coil array 12 being arranged on the flexible base board 11, receiving circuit 13 and charging inlet 14.
In the present embodiment, the material of flexible base board may be selected from PET (Polyethylene
Terephthalate, PET), thin glass, PEN (Polyethylennaphthalat, PEN), polyethers
(Polyethersulfone, PES), polyacids methyl esters (Polymethylmethacrylat, PMMA), polyimides
(Polyimide, PI) or polycarbonate (Polycarbonate, PC), and be not limited.
The receiving coil array 12 include receiving coil unit 121 that m rows n arranges (T1,1, Tm in figure, 1, Tm, n,
Shown in T1, n), latter is received successively according to line direction (shown in the X in figure) or column direction (shown in Y in figure) order
The direction that the output end of coil unit 121 is parallel-connected to the output end of previous receiving coil unit 121 and is connected in parallel
Positioned at the homonymy of the output end of first receiving coil unit 121；Set between the output end of adjacent receiving coil unit 121
There are cutting wires.
As illustratively, with reference to shown in Fig. 1, it is assumed that m, n are 2, then two receiving coil units that the first row is present are
T11 and T12, two receiving coil units of the second row are T21 and T22.Line is received according to column direction order by latter successively
The output end of coil unit is parallel-connected to the output end of previous receiving coil unit, then T21 output end is parallel-connected to
T11 output end, T12 output end is parallel-connected to T21 output end, and T22 output end is parallel-connected to T12 output
End, the direction being connected in parallel is all located at T11 right side.Four receiving coil units T11, T12, T21 and T22 provided with 3 sanctions
Shown in a, b, c in trimming, figure., can be by receiving coil unit T11, receiving circuit 13 and charging inlet along cutting wires a
14 cut, and the wireless charging electrolemma cut, which is attached on mobile phone or tablet personal computer, can carry out wireless charging and make
With；Along cutting wires b, receiving coil unit T11 and T12, receiving circuit 13 and charging inlet 14 can be cut, connect
Take-up coil unit T11 and receiving coil unit T12 are connected in parallel, therefore the wireless charging electrolemma patch cut can be provided
Higher charge power, and the power of transmitting coil can be oppositely disposed it is a little bit smaller；, can be by receiving coil along cutting wires c
Unit T11, T12 and T13, receiving circuit 13 and charging inlet 14 are cut.
It should be noted that first receiving coil unit 121 is not to refer to the reception positioned at the first row first row
The T11 of coil unit, such as above-mentioned example.Still illustrated with above-mentioned example, first receiving coil unit 121 can be
Any one among four receiving coil units T11, T12, T21 and T22.For example：T21 is used as first reception in elected
, can be according to column direction (shown in Y in figure) order successively by the defeated of latter receiving coil unit 121 during coil unit 121
Go out the output end that end is parallel-connected to previous receiving coil unit 121, i.e. T11 output end is parallel-connected to T21 output
End (the settable cutting wires in centre), T22 output end is parallel-connected to T11 output end (the settable cutting wires in centre), T12
Output end be parallel-connected to T22 output end (centre settable cutting wires)；Then by the input of receiving circuit 13 with
T21 output end connection, the output end of receiving circuit 13 is connected with charging inlet 14；Equally it can be achieved on.
In the present embodiment, receiving coil unit 121 is used for the magnetic field energy for receiving the induced field of transmitting coil.Connect
Take-up coil unit 121 is set on flexible substrates, and is to wind in form of a coil, but its specific position on flexible substrates
Put and do not do specific requirement, the area of the receiving coil unit 121 formed after specific coil winding and the thickness built up do not do and had
The restriction of body, can specifically be set according to specific terminal.
It refer to shown in Fig. 2 and Fig. 3, in one embodiment, the receiving coil unit includes and power module
The metal lattice 1211 and drive module 1213 of 1212 electrical connections；The metal lattice 1211 include multiple metal dots (accompanying drawing
1215th, shown in 1216,1217), adjacent metal dots 1215 are connected by gate-controlled switch 1218 in the metal lattice 1211,
The control end of the gate-controlled switch 1218 is connected with the drive module 1213；The drive module 1213 receives control signal,
The gate-controlled switch 1218 in the region of metal lattice 1211 is driven to turn on according to control signal, to cause the metal lattice
Metal dots in 1211 regions connect to form receiving coil.
Specifically, metal dots 1215 and metal dots 1216 are two adjacent metal dots, metal dots 1215 and metal dots
1217 be two adjacent metal dots；Two adjacent metal dots are connected by gate-controlled switch 1218, the control of gate-controlled switch 1218
End G processed is connected with the drive module 1213.
It should be noted that it is rectangular-shaped to be only that the metal lattice 1211 in Fig. 2, Fig. 4, which is 8*8 rectangular arrays, metal dots,
In order to for example, the metal lattice 1211 in the embodiment of the present invention is not restricted to rectangular array or other are not advised
Then shape, such as shown in Fig. 6.Constituting the size of each metal dots of the metal lattice, shape can also be different.
The embodiment of the present invention is not restricted to the size of each metal dots, shape, quantity and arrangement mode.Such as：Metal dots
Shape can also be for round (as shown in Figure 5), rhombus etc., the quantity and arrangement mode of metal dots, and the embodiment of the present invention is not
As limit.
In the present embodiment, the gate-controlled switch can be realized by PCB etch process, optionally, and gate-controlled switch needs full
Sufficient pressure voltage and current requirements, the opening resistor value of gate-controlled switch can be as far as possible small.
It should be noted that in this embodiment, gate-controlled switch is realized by PCB etch process, cut out according to foregoing
When the process of cutting is cut, it need to ensure that the metal dots quantity for cutting, gate-controlled switch can form receiving coil.
It refer again to shown in Fig. 3, in the present embodiment, the gate-controlled switch 1218 is metal oxide semiconductcor field effect
Transistor T1 is answered, the grid of the mos field effect transistor T1 is connected with the drive module 1213, institute
State the mos field effect transistor T1 source electrode gold adjacent with the metal lattice 1211 respectively with draining
Category point connection.
The grid and sources connected in parallel of the mos field effect transistor T1 has bi-directional voltage stabilizing diode Z1
It is connected in series with resistance R1, the bi-directional voltage stabilizing diode Z1 and the resistance R1.The metal oxide semiconductor field-effect
Transistor T1 drain electrode and sources connected in parallel have backward dioded D1.
It will be appreciated by persons skilled in the art that the gate-controlled switch 1218 can also be other modes, as long as can
The conducting of gate-controlled switch is controlled by drive module, disconnected, the concrete form of the embodiment of the present invention not to gate-controlled switch
Limit.
It refer to shown in Fig. 2, in the present embodiment, the receiving coil unit also includes controller 1214, controller
1214 are used to generate control signal to the drive module 1213；
The drive module 1213, for the control signal generated according to the controller 1214, drives the metal dots
Gate-controlled switch conducting in array area domain, to cause the metal dots in the metal lattice region to connect to form receiving coil.
It should be noted that the metal dots in the region of metal lattice 1211 open the receiving coil to be formed, its shape can be with
For diversified forms.As shown in Figure 4, Figure 5, the receiving coil shape of formation can be circle, triangle, rectangle, parallelogram
Or regular polygon etc..The size and location of coil is not also restricted.
In the present embodiment, the material of receiving coil unit 121 typically can be from the metal that transformation efficiency is high, impedance is low
Material, such as copper product.
Further, the wireless charging electrolemma also includes binding agent (accompanying drawing is not shown), and the binding agent makes described wireless
Charging film has stickiness.When in use, wireless charging electrolemma can be cohered and is fixed on terminal body by the binding agent, such as mobile phone, flat
Plate computer etc..
The material of binding agent may be selected from photocuring binding material, thermosetting binder material, the solidification for being mixed with a magnetic material
Binding material, ethylene-acetic ethylene ester copolymer system glue, polyamide-based glue, rubber series glue, polyolefin glue or moisture are hard
Change polyurethane adhesive.
The input of the receiving circuit 13 is connected with the output end of first receiving coil unit 121, described to connect
The output end for receiving circuit 13 is connected with the charging inlet 14.
In the present embodiment, the receiving circuit 13 includes the rectification circuit and DC voltage regulation circuit being connected in series
(accompanying drawing is not shown).
The AC signal that rectification circuit is used to export receiving coil unit 121 is converted to a dc source, DC voltage
Adjusting circuit is used to the dc source carrying out voltage of the voltage-regulation (such as boost) to needed for loading, with to load supplying,
For example the battery of mobile phone, tablet personal computer is charged.
In the present embodiment, the charging inlet 14 is the magnetic charging inlet of tool.The charging inlet of magnetic is in insertion
It is more convenient, practical when in the charging inlet of terminal.
Wireless charging electrolemma provided in an embodiment of the present invention, by according to line direction or column direction order successively will be latter
The direction that the output end of individual receiving coil unit is parallel-connected to the output end of previous receiving coil unit and is connected in parallel
Positioned at the homonymy of the output end of first receiving coil unit；Provided with cutting between the output end of adjacent receiving coil unit
Line；Terminal user when in use, can use according to cutting line clipping wireless charging film and being attached to enterprising exercise of terminal；Without
Design is re-started to terminal body to improve, while the overall aesthetics of terminal body is not interfered with yet, it is easy to use, real
With.
Second embodiment
Reference picture 7, Fig. 7 provides a kind of terminal for second embodiment of the invention, the terminal include terminal body 21 and
And the wireless charging electrolemma 22 on the terminal body 21 is attached to, terminal body 21 can be mobile phone or tablet personal computer.The nothing
Line charging film 22 is cut from a wireless charging electrolemma that can be cut, and it is real that the wireless charging electrolemma that can be cut refer to first
The description of example is applied, therefore not to repeat here.
, can be first from the wireless charging electrolemma that can be cut by wireless charging when carrying out wireless charging using wireless charging electrolemma
Film 22 cuts following, is then attached on terminal body 21.The wireless charging electrolemma that can be cut includes binding agent, and binding agent can be
The terminal body mutually coheres fixation with the wireless charging electrolemma.The charging inlet 14 of magnetic is inserted on terminal body 21
Charging inlet.
Terminal provided in an embodiment of the present invention, the wireless charging electrolemma that can be cut passes through suitable according to line direction or column direction
The output end of latter receiving coil unit is parallel-connected to the output end and simultaneously of previous receiving coil unit by sequence successively
The direction of connection connection is located at the homonymy of the output end of first receiving coil unit；The output end of adjacent receiving coil unit
Between be provided with cutting wires；Terminal user when in use, can be carried out according to cutting line clipping wireless charging film and being attached in terminal
Use；Improved without re-starting design to terminal body, while the overall aesthetics of terminal body is not interfered with yet,
Easy to use, practicality.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-
It is exclusive to include, so that process, method, article or device including a series of key elements not only include those key elements,
But also other key elements including being not expressly set out, or also include for this process, method, article or device institute
Intrinsic key element.
Claims (10)
1. a kind of wireless charging electrolemma, it is characterised in that the wireless charging electrolemma includes flexible base board and is arranged on the flexibility
Receiving coil array, receiving circuit and charging inlet on substrate；
The receiving coil array includes the receiving coil unit that m rows n is arranged, after being incited somebody to action successively according to line direction or column direction order
The direction that the output end of one receiving coil unit is parallel-connected to the output end of previous receiving coil unit and is connected in parallel
Positioned at the homonymy of the output end of first receiving coil unit；；
The input of the receiving circuit is connected with the output end of first receiving coil unit, the receiving circuit it is defeated
Go out end to be connected with the charging inlet.
2. a kind of wireless charging electrolemma according to claim 1, it is characterised in that the output end of adjacent receiving coil unit
Between be provided with cutting wires.
3. a kind of wireless charging electrolemma according to claim 1, it is characterised in that the receiving coil unit includes and power supply
The metal lattice and drive module of module electrical connection；The metal lattice includes adjacent in multiple metal dots, the metal lattice
Metal dots connected by gate-controlled switch, the control end of the gate-controlled switch is connected with the drive module；The drive module
Control signal is received, is driven the gate-controlled switch in the metal lattice region to turn on according to control signal, to cause the metal
Metal dots in dot matrix region connect to form receiving coil.
4. a kind of wireless charging electrolemma according to claim 3, it is characterised in that the receiving coil unit also includes control
Device；
It is described to control to be used to generate control signal to the drive module.
5. a kind of wireless charging electrolemma according to claim 1, it is characterised in that the wireless charging electrolemma also includes bonding
Agent, the binding agent makes the wireless charging electrolemma have stickiness.
6. a kind of wireless charging electrolemma according to claim 5, it is characterised in that the material of the binding agent is selected from photocuring
Binding material, thermosetting binder material, solidification binding material, the ethylene-acetic ethylene ester copolymer for being mixed with a magnetic material
It is glue, polyamide-based glue, rubber series glue, polyolefin glue or moisture-curable polyurethane adhesive.
7. a kind of wireless charging electrolemma according to claim 1, it is characterised in that the receiving circuit includes what is be connected in series
Rectification circuit and DC voltage regulation circuit.
8. a kind of wireless charging electrolemma according to claim 1, it is characterised in that the charging inlet fills for tool is magnetic
Electrical interface.
9. a kind of terminal, it is characterised in that the terminal includes terminal body and and the nothing that is attached on the terminal body
Line charging film, what the wireless charging electrolemma was cut from a wireless charging electrolemma that can be cut；
The wherein described wireless charging electrolemma cut includes flexible base board and the receiving coil being arranged on the flexible base board
Array, receiving circuit and charging inlet；
The receiving coil array includes the receiving coil unit that m rows n is arranged, after being incited somebody to action successively according to line direction or column direction order
The direction that the output end of one receiving coil unit is parallel-connected to the output end of previous receiving coil unit and is connected in parallel
Positioned at the homonymy of the output end of first receiving coil unit；
The input of the receiving circuit is connected with the output end of first receiving coil unit, the receiving circuit it is defeated
Go out end to be connected with the charging inlet.
10. a kind of terminal according to claim 9, it is characterised in that the receiving coil unit includes and power module
The metal lattice and drive module of electrical connection；The metal lattice includes gold adjacent in multiple metal dots, the metal lattice
Category point is connected by gate-controlled switch, and the control end of the gate-controlled switch is connected with the drive module；The drive module is received
The control signal of the terminal generation, drives the gate-controlled switch in the metal lattice region to turn on according to control signal, so that
The metal dots obtained in the metal lattice region connect to form receiving coil.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710487260.XA CN107222032A (en) | 2017-06-23 | 2017-06-23 | A kind of wireless charging electrolemma and terminal |
| PCT/CN2018/087716 WO2018233426A1 (en) | 2017-06-23 | 2018-05-21 | Wireless charging film and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710487260.XA CN107222032A (en) | 2017-06-23 | 2017-06-23 | A kind of wireless charging electrolemma and terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107222032A true CN107222032A (en) | 2017-09-29 |
Family
ID=59950154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710487260.XA Withdrawn CN107222032A (en) | 2017-06-23 | 2017-06-23 | A kind of wireless charging electrolemma and terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107222032A (en) |
| WO (1) | WO2018233426A1 (en) |
Cited By (3)
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|---|---|---|---|---|
| CN107171454A (en) * | 2017-06-30 | 2017-09-15 | 努比亚技术有限公司 | A kind of wireless charging electrolemma and terminal |
| CN108923509A (en) * | 2018-07-06 | 2018-11-30 | 维沃移动通信有限公司 | A kind of wireless charging transmit circuit, wireless charging receive circuit and method |
| WO2018233426A1 (en) * | 2017-06-23 | 2018-12-27 | 里程 | Wireless charging film and terminal |
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| US20170077733A1 (en) * | 2015-09-10 | 2017-03-16 | Qualcomm Incorporated | Wireless power transmitting unit using metal plates |
| CN106451809A (en) * | 2016-11-24 | 2017-02-22 | 上海电机学院 | Portable wireless charging film with protective circuit |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2018233426A1 (en) * | 2017-06-23 | 2018-12-27 | 里程 | Wireless charging film and terminal |
| CN107171454A (en) * | 2017-06-30 | 2017-09-15 | 努比亚技术有限公司 | A kind of wireless charging electrolemma and terminal |
| CN107171454B (en) * | 2017-06-30 | 2020-03-13 | 努比亚技术有限公司 | Wireless charging film and terminal |
| CN108923509A (en) * | 2018-07-06 | 2018-11-30 | 维沃移动通信有限公司 | A kind of wireless charging transmit circuit, wireless charging receive circuit and method |
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| WO2018233426A1 (en) | 2018-12-27 |
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