CN109787658A - A kind of NFC coil-driving apparatus of electronic, method and electronic equipment - Google Patents
A kind of NFC coil-driving apparatus of electronic, method and electronic equipment Download PDFInfo
- Publication number
- CN109787658A CN109787658A CN201811494976.3A CN201811494976A CN109787658A CN 109787658 A CN109787658 A CN 109787658A CN 201811494976 A CN201811494976 A CN 201811494976A CN 109787658 A CN109787658 A CN 109787658A
- Authority
- CN
- China
- Prior art keywords
- nfc
- drive module
- coil
- display driver
- driver chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The present invention relates to a kind of NFC coil-driving apparatus of electronic, method and electronic equipment, the NFC coil-driving apparatus of electronic includes NFC coil and display driver chip.The NFC coil is connected to display driver chip, and the NFC coil is transmitted for data；NFC drive module is equipped in the display driver chip, the display driver chip is for receiving NFC driving signal, clock pulse signal is generated according to NFC driving signal, respective frequencies are converted by clock pulse signal by NFC drive module to export to NFC coil, and NFC coil is driven to carry out data transmission.And by the way that easy NFC drive module is arranged in display driver chip, both driving NFC coil can be carried out by display driver chip to carry out data transmission, carry out data transmission as long as may be implemented to convert clock signal to corresponding frequency and be easily achieved driving NFC coil, and display driver chip is small in size, without additionally increasing NFC mould group, NFC mould group occupied space is reduced.
Description
Technical field
The present invention relates to the technical field of near-field communication, in particular to a kind of NFC coil-driving apparatus of electronic, method and electronics are set
It is standby.
Background technique
NFC (Near Field Communication) is the abbreviation of near-field communication, be a kind of short-range high frequency without
Line communication technology, matching field frequency by transmitting radiofrequency field and another equipment makes to carry out data reading and write-in between the two,
Allow to carry out contactless Point-to-Point Data Transmission between electronic equipment, is the process of a data transmission, this technology is by exempting from
Contact radio frequency identification (RFID) is evolved.Near-field communication business combines near-field communication technology and mobile communication technology, real
The multiple functions such as e-payment, authentication, ticketing service, data exchange, anti-fake, advertisement are showed, have been one kind of mobile communication field
New business.Near-field communication business changes the mode that user uses mobile phone, and the consumer behavior of user is made gradually to move towards electricity
Sonization establishes a kind of novel customer consumption and business model.And the NFC mould group on mobile terminal needs corresponding driving
Module is driven, and the space which occupies mobile terminal is big, and is driven relative complex.
Summary of the invention
For this reason, it may be necessary to provide a kind of NFC coil-driving apparatus of electronic, method and electronic equipment, the driving of existing NFC mould group is solved
Module-occupying space is big, drives relative complex problem.
To achieve the above object, a kind of NFC coil-driving apparatus of electronic is inventor provided, including NFC coil and display drive
Dynamic chip；
The NFC coil is connected to display driver chip, and the NFC coil is transmitted for data；
NFC drive module is equipped in the display driver chip, the display driver chip is for receiving NFC driving
Signal generates clock pulse signal according to NFC driving signal, converts correspondence for clock pulse signal by NFC drive module
Rate-adaptive pacemaker drives NFC coil to carry out data transmission to NFC coil.
It advanced optimizes, the NFC coil is arranged on flexible circuit board.
It advanced optimizes, the display driver chip is also used to when not receiving NFC driving signal, is disconnected NFC and is driven
The power supply of dynamic model block makes NFC drive module be in suspend mode, and when receiving NFC driving signal, open NFC drive module
Power supply wake up NFC drive module.
Inventor additionally provides another technical solution: a kind of NFC coil drive method, comprising the following steps:
Display driver chip receives NFC driving signal；
NFC driving signal generates clock signal based on the received；
Corresponding rate-adaptive pacemaker is converted to NFC coil by clock signal by NFC drive module；
NFC coil carries out data transmission according to corresponding frequency.
It advanced optimizes, the NFC drive module is in suspend mode, and described " display driver chip receives NFC driving
It is further comprised the steps of: after signal "
The power supply for opening NFC drive module wakes up NFC drive module.
Inventor additionally provides another technical solution: a kind of electronic equipment, and the electronic equipment includes NFC coil drive
Device, the NFC coil-driving apparatus of electronic include NFC coil and display driver chip；
The NFC coil is connected to display driver chip, and the NFC coil is transmitted for data；
NFC drive module is equipped in the display driver chip, the display driver chip is for receiving NFC driving
Signal generates clock pulse signal according to NFC driving signal, converts correspondence for clock pulse signal by NFC drive module
Rate-adaptive pacemaker drives NFC coil to carry out data transmission to NFC coil.
It advanced optimizes, the NFC coil is arranged on flexible circuit board.
It advanced optimizes, the display driver chip is also used to when not receiving NFC driving signal, is disconnected NFC and is driven
The power supply of dynamic model block makes NFC drive module be in suspend mode, and when receiving NFC driving signal, open NFC drive module
Power supply wake up NFC drive module.
It is different from the prior art, above-mentioned technical proposal, NFC drive module is set in display driver chip by utilizing,
When needing NFC coil to carry out transmission data, display driver chip generates clock pulses letter when receiving NFC driving signal
Number, corresponding rate-adaptive pacemaker is converted to NFC coil for clock signal by NFC drive module, driving NFC coil is carried out and carries out
Data transmission, display driver chip are a kind of highly integrated driving chips, and the order of display screen may be implemented, can also be real
The order of existing touch screen, and by the way that easy NFC drive module is arranged in display driver chip, it can both pass through display
Driving chip, which carries out driving NFC coil, to carry out data transmission, although higher and uncomplicated for NFC drive module integrated level,
Data biography is carried out as long as may be implemented to convert clock signal to corresponding frequency and be easily achieved driving NFC coil
It is defeated, and do not interfere with display screen and show and the signal quality of touch screen, it can be realized simultaneously display, touch and NFC function.
And display driver chip is small in size, without additionally increasing NFC mould group, reduces NFC mould group occupied space.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of NFC coil-driving apparatus of electronic described in specific embodiment；
Fig. 2 is another structural schematic diagram of NFC coil-driving apparatus of electronic described in specific embodiment；
Fig. 3 is a kind of flow diagram of NFC coil drive method described in specific embodiment.
Description of symbols:
110, display driver chip,
111, NFC drive module,
120, NFC coil,
130, flexible circuit board.
Specific embodiment
Technology contents, construction feature, the objects and the effects for detailed description technical solution, below in conjunction with specific reality
It applies example and attached drawing is cooperated to be explained in detail.
Referring to Fig. 1, the present embodiment NFC coil-driving apparatus of electronic, including NFC coil 120 and display driver chip 110；
The NFC coil 120 is connected to display driver chip 110, and the NFC coil 120 is transmitted for data；
NFC drive module 111 is equipped in the display driver chip 110, the display driver chip 110 is for connecing
NFC driving signal is received, clock pulse signal is generated according to NFC driving signal, is believed clock pulses by NFC drive module 111
It number is converted into respective frequencies to export to NFC coil 120, NFC coil 120 is driven to carry out data transmission.
By using NFC drive module 111 is arranged in display driver chip 110, when needing NFC coil 120 to be passed
When transmission of data, by can produce clock pulse signal using display driver chip 110 and usually in display driver chip
110 are equipped with pin extra but can be used, generate clock when display driver chip 110 receives NFC driving signal
Then pulse signal is converted clock pulse signal by the NFC drive module 111 being arranged in display driver chip 110
It is corresponding rate-adaptive pacemaker to NFC coil 120, clock pulse signal is digital signal, and NFC drive module 111 is by clock pulses
Signal is converted to analog signal, carries out driving NFC coil 120 and carries out data transmission, display driver chip 110 is a kind of height
Integrated driving chip, may be implemented the order of display screen, and the order of touch screen also may be implemented, and by being driven in display
The easy NFC drive module 111 of setting in chip 110 can both carry out driving NFC coil by display driver chip 110
120 carry out data transmission, although higher and uncomplicated for 111 integrated level of NFC drive module, as long as may be implemented by when
Clock signal, which is converted into corresponding frequency and can be easily achieved driving NFC coil 120, to carry out data transmission, and will not influence
It is shown and the signal quality of touch screen to display screen, can be realized simultaneously display, touch and NFC function.And display drives
Chip 110 is small in size, without additionally increasing NFC mould group, reduces NFC mould group occupied space.
Referring to Fig. 2, wherein, being further reduced NFC mould group the space occupied, the NFC coil 120 is arranged in flexible electrical
On road plate 130.Since the metal routing on flexible circuit board 130FPC is as the texture of coil of NFC, by utilizing flexible electrical
NFC coil 120 is incorporated in the function for carrying out realizing data transmission on flexible circuit board 130 by the metal routing on the plate 130FPC of road
Can, without additional setting NFC coil 120, cost can be reduced, while reducing the occupied space of NFC mould group,
In the present embodiment, in order to reduce power consumption, the display driver chip 110 is also used to not receive
When NFC driving signal, the power supply for disconnecting NFC drive module 111 makes NFC drive module 111 be in suspend mode, and works as and receive
When NFC driving signal, the power supply for opening NFC drive module 111 wakes up NFC drive module 111.It can't be used under most of the time
Transmission data are carried out to NFC mould group, and when not needing NFC drive module 111 carry out that NFC coil 120 is driven to carry out data transmission
When, i.e., under normal conditions NFC drive module 111 be suspend mode, i.e., no working power be supplied to NFC drive module 111 into
Row work, and when display driver chip 110 receives NFC drive module 111, start the power supply of NFC drive module 111,
NFC drive module 111 is waken up, driving NFC coil 120 is carried out and carries out data transmission, and when not receiving NFC driving signal,
The power supply for then disconnecting NFC drive module 111 makes NFC drive module 111 enter suspend mode, can substantially reduce NFC module
Power consumption.
Fig. 1 and Fig. 2 is please referred to, in another embodiment, a kind of electronic equipment, the electronic equipment includes NFC coil
Driving device, the NFC coil-driving apparatus of electronic be above-described embodiment in NFC coil-driving apparatus of electronic, including NFC coil 120 and
Display driver chip 110；
The NFC coil 120 is connected to display driver chip 110, and the NFC coil 120 is transmitted for data；
NFC drive module 111 is equipped in the display driver chip 110, the display driver chip 110 is for connecing
NFC driving signal is received, clock pulse signal is generated according to NFC driving signal, is believed clock pulses by NFC drive module 111
It number is converted into respective frequencies to export to NFC coil 120, NFC coil 120 is driven to carry out data transmission.
By using NFC drive module 111 is arranged in display driver chip 110, when needing NFC coil 120 to be passed
When transmission of data, by can produce clock pulse signal using display driver chip 110 and usually in display driver chip
110 are equipped with pin extra but can be used, generate clock when display driver chip 110 receives NFC driving signal
Then pulse signal is converted clock pulse signal by the NFC drive module 111 being arranged in display driver chip 110
It is corresponding rate-adaptive pacemaker to NFC coil 120, clock pulse signal is digital signal, and NFC drive module 111 is by clock pulses
Signal is converted to analog signal, carries out driving NFC coil 120 and carries out data transmission, display driver chip 110 is a kind of height
Integrated driving chip, may be implemented the order of display screen, and the order of touch screen also may be implemented, and by being driven in display
The easy NFC drive module 111 of setting in chip 110 can both carry out driving NFC coil by display driver chip 110
120 carry out data transmission, although higher and uncomplicated for 111 integrated level of NFC drive module, as long as may be implemented by when
Clock signal, which is converted into corresponding frequency and can be easily achieved driving NFC coil 120, to carry out data transmission, and will not influence
It is shown and the signal quality of touch screen to display screen, can be realized simultaneously display, touch and NFC function.And display drives
Chip 110 is small in size, without additionally increasing NFC mould group, reduces NFC mould group occupied space.
Wherein electronic equipment can have the equipment of NFC function for mobile phone, PID, smartwatch etc..
Wherein, it is further reduced NFC mould group the space occupied, the NFC coil 120 is arranged on flexible circuit board 130.
Since the metal routing on flexible circuit board 130FPC is as the texture of coil of NFC, by utilizing flexible circuit board 130FPC
On metal routing, NFC coil 120 is incorporated in the function of carrying out realizing data transmission on flexible circuit board 130, without additional
NFC coil 120 is set, cost can be reduced, while reducing the occupied space of NFC mould group,
In the present embodiment, in order to reduce power consumption, the display driver chip 110 is also used to not receive
When NFC driving signal, the power supply for disconnecting NFC drive module 111 makes NFC drive module 111 be in suspend mode, and works as and receive
When NFC driving signal, the power supply for opening NFC drive module 111 wakes up NFC drive module 111.It can't be used under most of the time
Transmission data are carried out to NFC mould group, and when not needing NFC drive module 111 carry out that NFC coil 120 is driven to carry out data transmission
When, i.e., under normal conditions NFC drive module 111 be suspend mode, i.e., no working power be supplied to NFC drive module 111 into
Row work, and when display driver chip 110 receives NFC drive module 111, start the power supply of NFC drive module 111,
NFC drive module 111 is waken up, driving NFC coil 120 is carried out and carries out data transmission, and when not receiving NFC driving signal,
The power supply for then disconnecting NFC drive module 111 makes NFC drive module 111 enter suspend mode, can substantially reduce NFC module
Power consumption.
Referring to Fig. 3, in another embodiment, a kind of NFC coil drive method, comprising the following steps:
Step S310: display driver chip receives NFC driving signal；
Step S320: NFC driving signal generates clock signal based on the received；
Step S330: corresponding rate-adaptive pacemaker is converted to NFC coil for clock signal by NFC drive module；
Step S340:NFC coil carries out data transmission according to corresponding frequency.
By utilizing, NFC drive module is set in display driver chip, when needing NFC coil to carry out transmission data,
By using display driver chip can produce clock pulse signal and usually on display driver chip be equipped with it is extra but
The pin that can be used generates clock pulse signal when display driver chip receives NFC driving signal, then by setting
It sets NFC drive module in display driver chip and converts corresponding rate-adaptive pacemaker to NFC coil for clock pulse signal,
Clock pulse signal is digital signal, and clock pulse signal is converted to analog signal by NFC drive module, carries out driving NFC line
Circle carries out data transmission, and display driver chip is a kind of highly integrated driving chip, and the order of display screen may be implemented,
The order of touch screen may be implemented, and by the way that easy NFC drive module is arranged in display driver chip, can both it pass through
Display driver chip, which carries out driving NFC coil, to carry out data transmission, although higher for NFC drive module integrated level, simultaneously
It is uncomplicated, it is carried out as long as may be implemented to convert clock signal to corresponding frequency and be easily achieved driving NFC coil
Data transmission, and do not interfere with display screen and show and the signal quality of touch screen, can be realized simultaneously display, touch and
NFC function.And display driver chip is small in size, without additionally increasing NFC mould group, reduces NFC mould group occupied space.
In the present embodiment, in order to reduce power consumption, the NFC drive module is in the suspend mode, " display
Driving chip receives NFC driving signal " the power supply wake-up NFC drive module for opening NFC drive module is further comprised the steps of: later.
NFC mould group can't be used under most of the time and carries out transmission data, and carries out driving NFC line when not needing NFC drive module
When circle carries out data transmission, i.e., NFC drive module is suspend mode under normal conditions, i.e., no working power is supplied to NFC drive
Dynamic model block works, and when display driver chip receives NFC drive module, start the power supply of NFC drive module, calls out
Awake NFC drive module carries out driving NFC coil and carries out data transmission, and when not receiving NFC driving signal, then disconnect NFC
The power supply of drive module makes NFC drive module enter suspend mode, can substantially reduce the power consumption of NFC module.
It should be noted that being not intended to limit although the various embodiments described above have been described herein
Scope of patent protection of the invention.Therefore, it based on innovative idea of the invention, change that embodiment described herein is carried out and is repaired
Change, or using equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it directly or indirectly will be with
Upper technical solution is used in other related technical areas, is included within scope of patent protection of the invention.
Claims (8)
1. a kind of NFC coil-driving apparatus of electronic, which is characterized in that including NFC coil and display driver chip；
The NFC coil is connected to display driver chip, and the NFC coil is transmitted for data；
NFC drive module is equipped in the display driver chip, the display driver chip is for receiving NFC driving letter
Number, clock pulse signal is generated according to NFC driving signal, corresponding frequency is converted for clock pulse signal by NFC drive module
Rate is exported to NFC coil, and NFC coil is driven to carry out data transmission.
2. NFC coil-driving apparatus of electronic according to claim 1, which is characterized in that the NFC coil is arranged in flexible circuit board
On.
3. NFC coil-driving apparatus of electronic according to claim 1, which is characterized in that the display driver chip is also used to work as
When not receiving NFC driving signal, the power supply for disconnecting NFC drive module makes NFC drive module be in suspend mode, and when reception
When to NFC driving signal, the power supply for opening NFC drive module wakes up NFC drive module.
4. a kind of NFC coil drive method, which comprises the following steps:
Display driver chip receives NFC driving signal；
NFC driving signal generates clock signal based on the received；
Corresponding rate-adaptive pacemaker is converted to NFC coil by clock signal by NFC drive module；
NFC coil carries out data transmission according to corresponding frequency.
5. NFC coil drive method according to claim 4, which is characterized in that the NFC drive module is in suspend mode mould
Formula further comprises the steps of: after " display driver chip receives NFC driving signal "
The power supply for opening NFC drive module wakes up NFC drive module.
6. a kind of electronic equipment, which is characterized in that the electronic equipment includes NFC coil-driving apparatus of electronic, the NFC coil drive
Device includes NFC coil and display driver chip；
The NFC coil is connected to display driver chip, and the NFC coil is transmitted for data；
NFC drive module is equipped in the display driver chip, the display driver chip is for receiving NFC driving letter
Number, clock pulse signal is generated according to NFC driving signal, corresponding frequency is converted for clock pulse signal by NFC drive module
Rate is exported to NFC coil, and NFC coil is driven to carry out data transmission.
7. electronic equipment according to claim 6, which is characterized in that the NFC coil is arranged on flexible circuit board.
8. electronic equipment according to claim 6, which is characterized in that the display driver chip is also used to not receive
When NFC driving signal, the power supply for disconnecting NFC drive module makes NFC drive module be in suspend mode, and drives when receiving NFC
When dynamic signal, the power supply for opening NFC drive module wakes up NFC drive module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811494976.3A CN109787658B (en) | 2018-12-07 | 2018-12-07 | NFC coil driving device and method and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811494976.3A CN109787658B (en) | 2018-12-07 | 2018-12-07 | NFC coil driving device and method and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109787658A true CN109787658A (en) | 2019-05-21 |
| CN109787658B CN109787658B (en) | 2021-04-09 |
Family
ID=66496109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811494976.3A Active CN109787658B (en) | 2018-12-07 | 2018-12-07 | NFC coil driving device and method and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109787658B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113852707A (en) * | 2021-10-13 | 2021-12-28 | 福建华佳彩有限公司 | Panel driving framework of integrated NFC module |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4206813A1 (en) * | 2021-12-30 | 2023-07-05 | SES-imagotag | E-paper display device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005341281A (en) * | 2004-05-27 | 2005-12-08 | Nec Corp | Portable radio terminal, and its reception diversity control method |
| CN102750885A (en) * | 2012-04-06 | 2012-10-24 | 信利工业(汕尾)有限公司 | Electrophoretic display integrated with NFC (Near Field Communication) antenna |
| US20150178526A1 (en) * | 2013-12-23 | 2015-06-25 | Hyoung-Hwan ROH | Near field communication with matching circuitry |
| CN105448237A (en) * | 2016-01-11 | 2016-03-30 | 深圳市芯联电子科技有限公司 | LED display apparatus controlled and driven by use of NFC |
-
2018
- 2018-12-07 CN CN201811494976.3A patent/CN109787658B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005341281A (en) * | 2004-05-27 | 2005-12-08 | Nec Corp | Portable radio terminal, and its reception diversity control method |
| CN102750885A (en) * | 2012-04-06 | 2012-10-24 | 信利工业(汕尾)有限公司 | Electrophoretic display integrated with NFC (Near Field Communication) antenna |
| US20150178526A1 (en) * | 2013-12-23 | 2015-06-25 | Hyoung-Hwan ROH | Near field communication with matching circuitry |
| CN105448237A (en) * | 2016-01-11 | 2016-03-30 | 深圳市芯联电子科技有限公司 | LED display apparatus controlled and driven by use of NFC |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113852707A (en) * | 2021-10-13 | 2021-12-28 | 福建华佳彩有限公司 | Panel driving framework of integrated NFC module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109787658B (en) | 2021-04-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2052463B1 (en) | Near field rf communicators and near field communications enabled devices | |
| JP4239988B2 (en) | Communication system, communication apparatus, wired communication apparatus, and communication method | |
| CN100384111C (en) | Wireless communication equipment and method having harmonized primary and secondary transmitters | |
| TWI465059B (en) | Communications device for intelligently routing information among multiple user interfaces | |
| CN202167034U (en) | Peripheral application device and mobile terminal system | |
| CN101908157B (en) | NFC-SIM (Near Field Communication-Subscriber Identity Module) chip | |
| CN109787658A (en) | A kind of NFC coil-driving apparatus of electronic, method and electronic equipment | |
| CN205003797U (en) | Receive silver -colored equipment | |
| CN202276343U (en) | Near field communication module | |
| CN201757903U (en) | Usb key device | |
| CN206946904U (en) | Electronics class board and information interaction system with call function | |
| US8036613B2 (en) | Communication system and method for operating a communication system | |
| CN104022768A (en) | Passive magnetic induction button device | |
| CN105703804B (en) | The data rate or range of near-field communication are improved using difference coil topology | |
| CN101673353A (en) | Ic chip, information processing device, information processing system, and programs | |
| CN102592105A (en) | Low power consumption design method based on close-range wireless communication | |
| US20160308588A1 (en) | Chassis Based Antenna For A Near Field Communication (NFC) Enabled Device | |
| CN201327661Y (en) | Handset for removable multi-functional financial terminal | |
| CN203882331U (en) | Wireless-induction-powered prepaid SIM card with display screen | |
| CN202854817U (en) | System for expanding information carried by objects | |
| CN112508546A (en) | Safety device supporting transaction and storage of digital RMB | |
| CN102801848B (en) | Mobile phone with NFC (Near Field Communication) function | |
| CN202720685U (en) | Mobile payment system based on international mobile subscriber identification number and bridged antenna slice | |
| CN202748613U (en) | Wrist watch and system for displaying mobile terminal information on wrist watch | |
| CN202150155U (en) | Magnetic card reader |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |