CN104503611B - A kind of Multifunctional touching integrated circuit, chip and touch screen terminal - Google Patents
A kind of Multifunctional touching integrated circuit, chip and touch screen terminal Download PDFInfo
- Publication number
- CN104503611B CN104503611B CN201410749183.7A CN201410749183A CN104503611B CN 104503611 B CN104503611 B CN 104503611B CN 201410749183 A CN201410749183 A CN 201410749183A CN 104503611 B CN104503611 B CN 104503611B
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- touch
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- power supply
- electric connecting
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- 230000006870 function Effects 0.000 claims abstract description 30
- 238000004891 communication Methods 0.000 claims abstract description 29
- 238000012545 processing Methods 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims description 12
- 229910000859 α-Fe Inorganic materials 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 229910052594 sapphire Inorganic materials 0.000 claims description 2
- 239000010980 sapphire Substances 0.000 claims description 2
- 238000002955 isolation Methods 0.000 claims 1
- 239000005020 polyethylene terephthalate Substances 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract description 6
- 238000004804 winding Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 6
- 230000035945 sensitivity Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transceivers (AREA)
- Position Input By Displaying (AREA)
Abstract
The present invention is applied to integrated circuit fields, provide a kind of Multifunctional touching integrated circuit, chip and touch screen terminal, the Multifunctional touching integrated circuit is connected by electric connecting part with master control communication unit, including two power supply PAD and three data PAD, it is connected respectively by electric connecting part with master control communication unit, the Multifunctional touching integrated circuit also includes：CDC touch-control modules, it is connected with power supply PAD and data PAD；NFC radio-frequency modules, it is connected with power supply PAD and data PAD；Processing unit, it is connected with power supply PAD and CDC touch-control module, NFC radio-frequency modules；Memory cell, it is connected with processing unit.The present invention integrates CDC touch-control modules and NFC radio-frequency modules in same chip, it is realized touch controllable function and NFC function simultaneously, makes to reduce by a chips in terminal system, reduces volume and system failure rate, reduces by a 3PIN winding displacement, reduces cost.
Description
Technical field
The invention belongs to integrated circuit fields, more particularly to a kind of Multifunctional touching integrated circuit, chip and touch-screen are whole
End.
Background technology
With the swift and violent hair of electronics industry, the mobile terminal such as mobile phone, tablet personal computer presently more than 80 percent is adopted
Realized with touch technology, and near-field communication technology (Near Field Communication, NFC), as a kind of short-range
High frequency wireless communication technology, due to having with the field such as natural security, the payment being considered as in the mobile terminals such as mobile phone
There is very big application prospect.
At present, in the terminal, NFC and touch technology are two independent cores by being distributed in diverse location respectively
Piece realizes identification control with master control communication, but small product size can be caused to increase using excessive chip in the terminal, cost liter
Height, with being runed counter to currently for thinner, smaller, the less expensive design concept of electronic product.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of Multifunctional touching integrated circuit, it is intended to which solution uses two chips
Realizing the identification of NFC and touch technology respectively causes the problem of small product size is big, and cost is high.
The embodiment of the present invention is achieved in that a kind of Multifunctional touching integrated circuit, passes through electric connecting part and master control
Communication unit connects, and the integrated circuit includes two power supply PAD and three data PAD, two power supply PAD pass through described
Two power ends of the electric connecting part respectively with the master control communication unit are connected, and three data PAD pass through the electrical connection
Part is connected with three data terminals of the master control communication unit respectively, and the integrated circuit also includes：
CDC touch-control modules, the connection corresponding with two power supply PAD of the power end of the CDC touch-control modules, the CDC touch-controls
First group of data terminal of module is connected with three data PAD；
NFC radio-frequency modules, the connection corresponding with two power supply PAD of the power end of the NFC radio-frequency modules, the NFC radio frequencies
First group of data terminal of module is connected with three data PAD；
Processing unit, the connection corresponding with two power supply PAD of the power end of the processing unit, the first of the processing unit
Group data terminal it is corresponding with second group of data terminal of the CDC touch-control modules connect, second group of data terminal of the processing unit and
Second group of data terminal of the NFC radio-frequency modules is corresponding to be connected；
Memory cell, the memory cell are connected with the processing unit storage end.
The another object of the embodiment of the present invention is to provide a kind of using the multi-functional of above-mentioned Multifunctional touching integrated circuit
Chip is touched, the chip also includes two power supply PIN and three data PIN；
The power supply PIN and data PIN by packaging and routing respectively with PAD pairs of the power supply PAD and the data
It should connect, two power supply PIN are connected by two power ends of the electric connecting part respectively with the master control communication unit, three
The data PIN is connected with three data terminals of the master control communication unit respectively by electric connecting part.
The another object of the embodiment of the present invention is to provide a kind of touch screen terminal for including above-mentioned Multifunctional touching chip,
The touch screen terminal also includes：
Cover plate, touch screen function area, electric connecting part, master control communication unit；
First face in the touch screen function area connects with cover plate pressing, second face in the touch screen function area with
The electric connecting part connection, the Multifunctional touching chip are fixedly connected on the electric connecting part, the electrical connection section
Part is also connected with the master control communication unit；
First face in the touch screen function area is opposite with the second face.
The embodiment of the present invention integrates CDC touch-control modules and NFC radio-frequency modules in same chip, it is realized simultaneously
Touch controllable function and NFC function, make to reduce by a chips in terminal system BOM, reduce volume and system failure rate, reduce one
3PIN winding displacements, reduce cost.
Brief description of the drawings
Fig. 1 is the structure chart of Multifunctional touching integrated circuit provided in an embodiment of the present invention；
Fig. 2 is the structure chart of Multifunctional touching chip provided in an embodiment of the present invention；
Fig. 3 a are the facing structure figure of touch screen terminal provided in an embodiment of the present invention；
Fig. 3 b are the side block diagram of touch screen terminal provided in an embodiment of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
The embodiment of the present invention integrates CDC (Charge Discharge Coupling, electric capacity detecting) in same chip and touched
Module and NFC radio-frequency modules are controlled, it is realized touch controllable function and NFC function simultaneously, makes terminal system BOM (Bill
Of Material, BOM) one chips of middle reduction, volume and system failure rate are reduced, reduces by a 3PIN winding displacement, reduces
Cost.
It is described in detail below in conjunction with realization of the specific embodiment to the present invention：
Fig. 1 shows the structure of Multifunctional touching integrated circuit provided in an embodiment of the present invention, for convenience of description, only shows
Part related to the present invention is gone out.
As one embodiment of the invention, the Multifunctional touching integrated circuit 1 can be encapsulated as Multifunctional touching chip, application
In the touch screen terminals such as mobile phone, POS.
As one embodiment of the invention, the Multifunctional touching integrated circuit 1 is communicated single by electric connecting part 102 and master control
Member 2 connects, and Multifunctional touching integrated circuit 1 includes two power supply PAD and three data PAD, two power supply PAD pass through electrical connection
Part 102 is connected with two power ends of master control communication unit 2 respectively, three data PAD by electric connecting part 102 respectively with master
Three data terminals connection of communication unit 2 is controlled, Multifunctional touching integrated circuit 1 also includes：
CDC touch-control modules 11, the connection corresponding with two power supply PAD of the power end of CDC touch-control modules 11, CDC touch-control modules
11 first group of data terminal is connected with three data PAD；
NFC radio-frequency modules 12, the connection corresponding with two power supply PAD of the power end of NFC radio-frequency modules 12, NFC radio-frequency modules
12 first group of data terminal is connected with three data PAD；
Processing unit 13, the connection corresponding with two power supply PAD of the power end of processing unit 13, first group of processing unit 13
Data terminal connection corresponding with second group of data terminal of CDC touch-control modules 11, second group of data terminal and the NFC radio frequencies of processing unit 13
Second group of data terminal of module 12 is corresponding to be connected；
As a preferred embodiment of the present invention, the processing unit 13 can use arm processor or 8051 chip microcontrollers.
Memory cell 14, memory cell 14 are connected with the storage end of processing unit 13.
As a preferred embodiment of the present invention, the memory cell 14 can include ROM and RAM.
As a preferred embodiment of the present invention, the electric connecting part 102 can use touch-screen flexible PCB to realize, especially
It can select the touch-screen flexible PCB of covering Ferrite Material to realize.
In conventional mobile phone, such as to realize that NFC function and touch control function need two chips, wherein touch control core
Communicated between piece and master control communication unit 2 by five lines, including three connections and two power lines；NFC chip and master
Communicated between control communication unit 2 by three lines, including a connection and two power lines.
In embodiments of the present invention, the NFC radio-frequency modules 12 that will be carried out NFC function have been integrated into touch control chip
In, CDC touch-control modules 11 and NFC radio-frequency modules 12 is realized data processing by same processing unit 11, and share RAM and
ROM, only CDC touch-control modules 11 and NFC radio-frequency modules 12 be work independently, so integrate after single integrated circuit chip and
Only communicated between master control communication unit 2 by five lines, wherein three connections, two power lines, its resource distribution are more closed
Reason, chip area are smaller, more efficient.
In embodiments of the present invention, the electric connecting part (FPC) not only acts as connection single integrated circuit chip 1 and led to master control
The effect of unit 2 (mainboard of the touch terminal such as mobile phone, POS), while the antenna also as NFC radio-frequency modules 12 are interrogated, enters one
Step improves recognition speed and the sensitivity of radiofrequency signal.
In embodiments of the present invention, the putting position of CDC touch-control modules 11 and NFC radio-frequency modules 12 should be made as far as possible remote, with
Reduce electromagnetic interference problem caused by the signal between two modules.
More preferably, wall (GND bands) can be configured between CDC touch-control modules 11 and NFC radio-frequency modules 12 to be used for isolating
Two modules, further to reduce signal interference problem, or can a radome be at least set in a module, for isolating two
Module, further to reduce signal interference problem, certainly, do not consider cost factor, can also be in CDC touch-control modules 11 and NFC
Radome is set respectively on radio-frequency module 12.
As a preferred embodiment of the present invention, the radome can select metallic shield, carbon radome can also be used.
The embodiment of the present invention integrates CDC touch-control modules and NFC radio-frequency modules in same chip, it is realized simultaneously
Touch controllable function and NFC function, make to reduce by a chips in terminal system BOM, reduce volume and system failure rate, reduce one
3PIN winding displacements, cost is reduced, the present invention will largely change people and use the mode of many electronic equipments, or even change
Become the mode using credit card, key and cash.
Fig. 2 shows the structure of Multifunctional touching chip provided in an embodiment of the present invention, for convenience of description, illustrate only
Part related to the present invention.
As one embodiment of the invention, the Multifunctional touching chip 100 includes the Multifunctional touching collection in above-described embodiment
Into circuit 1, in addition to two power supply PIN and three data PIN；
Power supply PIN and data PIN passes through the connection corresponding with power supply PAD and data PAD respectively of packaging and routing 103, two electricity
Source PIN is connected with two power ends of master control communication unit 2 respectively by electric connecting part 102, and three data PIN pass through electrical connection
Part 102 is connected with three data terminals of master control communication unit 2 respectively.
As a preferred embodiment of the present invention, the electric connecting part 102 is touch-screen flexible PCB (FPC), more work(
Chip 100 can be touched to be connected with touch-screen flexible PCB (FPC) 102 by surface mounting technology (SMT).
More preferably, the FPC (FPC) of covering Ferrite Material can be used, to improve NFC sensitivity.
In embodiments of the present invention, the electric connecting part (FPC) not only acts as connection Multifunctional touching chip 100 and master control
The effect of communication unit 2 (mainboard of the touch terminal such as mobile phone, POS), while the antenna also as NFC radio-frequency modules 12, enter
One step improves recognition speed and the sensitivity of radiofrequency signal.
In embodiments of the present invention, from domain angle, putting for CDC touch-control modules 11 and NFC radio-frequency modules 12 should be made
Position is as far as possible remote, to reduce electromagnetic interference problem caused by the signal between two modules.
More preferably, in encapsulation process, wall can be configured between CDC touch-control modules 11 and NFC radio-frequency modules 12
(GND bands) is used for isolating two modules, further to reduce the signal interference problem of two modules, or can be at least in a module
One radome is set, for isolating two modules, further to reduce signal interference problem, certainly, cost factor is not considered, also may be used
To set radome respectively on CDC touch-control modules 11 and NFC radio-frequency modules 12.
As a preferred embodiment of the present invention, the radome can select metallic shield, carbon radome can also be used.
The embodiment of the present invention integrates CDC touch-control modules and NFC radio-frequency modules in same chip, is provided simultaneously with it
Touch controllable function and NFC function, make to reduce by a chips in terminal system BOM, reduce volume and system failure rate, reduce one
3PIN winding displacements, cost is reduced, the present invention will largely change people and use the mode of many electronic equipments, or even change
Become the mode using credit card, key and cash.
Fig. 3 a and Fig. 3 b respectively illustrate the facing structure and side view structure of touch screen terminal provided in an embodiment of the present invention,
For convenience of description, it illustrate only part related to the present invention.
As one embodiment of the invention, the touch screen terminal includes：
Cover plate 6, touch screen function area 5, electric connecting part 102, master control communication unit (cell phone mainboard) 2 and above-mentioned implementation
Multifunctional touching chip 100 in example.
First face in touch screen function area 5 connects with the pressing of cover plate 6, second face in touch screen function area 5 and electrical connection section
Part 102 is connected, and Multifunctional touching chip 100 is fixedly connected on electric connecting part 102, and electric connecting part 102 also leads to master control
News unit 2 connects；
First face in touch screen function area 5 is opposite with the second face.
As a preferred embodiment of the present invention, the Multifunctional touching chip 100 connects by the way that surface mounting technology (SMT) is fixed
It is connected on electric connecting part 102.
As a preferred embodiment of the present invention, the electric connecting part 102 is touch-screen flexible PCB (FPC), it is preferable that
The touch-screen flexible PCB can use the FPC (FPC) of covering Ferrite Material to realize, to improve the sensitive of NFC
Degree.
In embodiments of the present invention, with reference to Fig. 3 a and Fig. 3 b, wherein, 3 be that touch-screen flexible PCB (FPC) leads to master control
The join domain of unit (cell phone mainboard) 2 is interrogated, 4 be touch-screen flexible PCB (FPC) and the bonding pad in touch screen function area 5
Domain.
In embodiments of the present invention, the electric connecting part (FPC) not only acts as connection single integrated circuit chip 1 and led to master control
The effect of unit 2 (mainboard of the touch terminal such as mobile phone, POS), while the antenna also as NFC radio-frequency modules 12 are interrogated, enters one
Step improves recognition speed and the sensitivity of radiofrequency signal.
As a preferred embodiment of the present invention, to be located at touch screen function area opposite with cover plate 6 for the Multifunctional touching chip 100
One side, the cover plate 6 can use various unlike materials, and more preferably, the material of cover plate 6 can select acrylic, PET, glass
Or sapphire, be particularly suitable for use in glass.
The touch screen terminal can be by the cooperation of different cover sheet thickness and material, to realize more preferable NFC and touch
Function, for thickness：0.125mm-1.0mm material may be selected, preferably select 0.33mm-0.7mm material, it is more excellent
Select 0.4mm-0.55mm material.
The embodiment of the present invention integrates CDC touch-control modules and NFC radio-frequency modules in same chip, is provided simultaneously with it
Touch controllable function and NFC function, make to reduce by a chips in terminal system BOM, reduce volume and system failure rate, reduce one
3PIN winding displacements, cost is reduced, the present invention will largely change people and use the mode of many electronic equipments, or even change
Become the mode using credit card, key and cash.
The another object of the embodiment of the present invention is to provide a kind of using the multi-functional of above-mentioned Multifunctional touching integrated circuit
Touch chip, and the touch screen terminal using above-mentioned Multifunctional touching chip.
These are only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
All any modification, equivalent and improvement made within principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of Multifunctional touching integrated circuit, it is connected by electric connecting part with master control communication unit, it is characterised in that described
Integrated circuit include two power supply PAD and three data PAD, two power supply PAD by the electric connecting part respectively with
The master control communication unit two power ends connection, three data PAD by the electric connecting part respectively with the master
Three data terminals connection of communication unit is controlled, the electric connecting part is touch-screen flexible PCB, and the integrated circuit also wraps
Include：
CDC touch-control modules, the connection corresponding with two power supply PAD of the power end of the CDC touch-control modules, the CDC touch-control modules
First group of data terminal be connected with three data PAD；
NFC radio-frequency modules, the connection corresponding with two power supply PAD of the power end of the NFC radio-frequency modules, the NFC radio-frequency modules
First group of data terminal be connected with three data PAD；
Processing unit, the connection corresponding with two power supply PAD of the power end of the processing unit, first group of number of the processing unit
According to hold it is corresponding with second group of data terminal of the CDC touch-control modules connect, second group of data terminal of the processing unit with it is described
Second group of data terminal of NFC radio-frequency modules is corresponding to be connected；
Memory cell, the memory cell are connected with the processing unit storage end.
2. integrated circuit as claimed in claim 1, it is characterised in that the processing unit is arm processor or 8051 monolithics
Machine, the memory cell include ROM and RAM.
A kind of 3. Multifunctional touching chip, it is characterised in that the chip includes integrated circuit as claimed in claim 1 or 2,
The chip also includes two power supply PIN and three data PIN；
The power supply PIN and data PIN by packaging and routing respectively with the power supply PAD and data PAD is corresponding connects
Connect, two power supply PIN are connected by two power ends of the electric connecting part respectively with the master control communication unit, described in three
Data PIN is connected with three data terminals of the master control communication unit respectively by the electric connecting part.
4. chip as claimed in claim 3, it is characterised in that have between the CDC touch-control modules and the NFC radio-frequency modules
Having on Yi Diqiang, or, the CDC touch-control modules or/and the NFC radio-frequency modules has radome, to realize isolation.
5. chip as claimed in claim 4, it is characterised in that the radome is metallic shield or carbon radome.
6. a kind of touch screen terminal, it is characterised in that the touch screen terminal includes：
Cover plate, touch screen function area, electric connecting part, master control communication unit, and as described in any one of claim 3 to 5
Multifunctional touching chip；
First face in the touch screen function area connects with cover plate pressing, second face in the touch screen function area with it is described
Electric connecting part is connected, and the Multifunctional touching chip is fixedly connected on the electric connecting part, and the electric connecting part is also
It is connected with the master control communication unit；
First face in the touch screen function area is opposite with the second face.
7. touch screen terminal as claimed in claim 6, it is characterised in that the Multifunctional touching chip passes through surface mount skill
Art is fixedly connected on the electric connecting part.
8. touch screen terminal as claimed in claim 7, it is characterised in that the touch-screen flexible PCB is by covering ferrite
Material is made.
9. touch screen terminal as claimed in claim 6, it is characterised in that the cover plate materials be acrylic, PET, glass or
Sapphire.
10. touch screen terminal as claimed in claim 6, it is characterised in that the cover sheet thickness scope is 0.125mm-
1.0mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410749183.7A CN104503611B (en) | 2014-12-09 | 2014-12-09 | A kind of Multifunctional touching integrated circuit, chip and touch screen terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410749183.7A CN104503611B (en) | 2014-12-09 | 2014-12-09 | A kind of Multifunctional touching integrated circuit, chip and touch screen terminal |
Publications (2)
| Publication Number | Publication Date |
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| CN104503611A CN104503611A (en) | 2015-04-08 |
| CN104503611B true CN104503611B (en) | 2017-12-22 |
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| CN201410749183.7A Expired - Fee Related CN104503611B (en) | 2014-12-09 | 2014-12-09 | A kind of Multifunctional touching integrated circuit, chip and touch screen terminal |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105872955B (en) * | 2016-04-29 | 2019-01-18 | 昆山维信诺科技有限公司 | Integrate the touch-control integrated circuit and its near field communication method of near-field communication |
| CN107219951B (en) * | 2017-05-23 | 2020-04-10 | Oppo广东移动通信有限公司 | Touch screen control method and device, storage medium and terminal equipment |
| CN107864586B (en) * | 2017-12-06 | 2024-01-23 | 北京小米移动软件有限公司 | Electronic equipment |
| CN109471564A (en) * | 2018-12-29 | 2019-03-15 | 深圳汗思凯普科技有限公司 | Handheld computer equipment touch device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104012010A (en) * | 2011-12-23 | 2014-08-27 | 瑟克公司 | Method for preventing interference of contactless card reader and touch functions |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9092772B2 (en) * | 2009-02-16 | 2015-07-28 | Xius Corp. | Integrated system and method for enabling mobile commerce transactions using “contactless identity modules in mobile handsets” |
| CN102737582B (en) * | 2012-04-06 | 2014-07-09 | 信利工业(汕尾)有限公司 | Termination point (TP) On/In Cell type organic electroluminescent display integrated with near field communication (NFC) antenna |
| CN202838355U (en) * | 2012-10-08 | 2013-03-27 | 速码波科技股份有限公司 | RFID Module |
| CN104123041B (en) * | 2014-07-23 | 2017-06-16 | 上海天马微电子有限公司 | Display device and driving method thereof |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104012010A (en) * | 2011-12-23 | 2014-08-27 | 瑟克公司 | Method for preventing interference of contactless card reader and touch functions |
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Granted publication date: 20171222 Termination date: 20211209 |