CN106921029A - NFC antenna based on the electrostatic discharge (ESD) protection below electronic equipment screen - Google Patents
NFC antenna based on the electrostatic discharge (ESD) protection below electronic equipment screen Download PDFInfo
- Publication number
- CN106921029A CN106921029A CN201710121456.7A CN201710121456A CN106921029A CN 106921029 A CN106921029 A CN 106921029A CN 201710121456 A CN201710121456 A CN 201710121456A CN 106921029 A CN106921029 A CN 106921029A
- Authority
- CN
- China
- Prior art keywords
- copper
- nfc antenna
- nfc
- copper cabling
- electronic equipment
- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/002—Protection against seismic waves, thermal radiation or other disturbances, e.g. nuclear explosion; Arrangements for improving the power handling capability of an antenna
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Details Of Aerials (AREA)
Abstract
The invention provides a kind of NFC antenna of the electrostatic discharge (ESD) protection based on below electronic equipment screen, including：Copper cabling, PI base materials, colloid, copper via, ink and copper billet, PI base materials one side are the copper cabling of NFC and the copper cabling of static discharge, and PI base materials another side is discontinuous copper billet, and the copper cabling of NFC forms the path of Two-port netwerk.The copper cabling of static discharge forms the open circuit of Two-port netwerk, and a plurality of copper cabling is drawn in two ports that static discharge is formed respectively, and a plurality of copper cabling of extraction connects the discontinuous copper billet of PI base material another sides by copper via respectively.The present invention can not only protect NFC circuit to protect against the impact of static discharge and cause permanent damage, moreover it is possible to ensure that the transmission of NFC signals will not be disturbed by static discharge, and overall structure is simply compact, and applicability is wide.
Description
Technical field
The present invention relates to NFC antenna design field, in particular it relates to the static discharge being based on below electronic equipment screen is protected
The NFC antenna of shield.
Background technology
NFC technology is to recognize and interconnect that Technology Integration is developed by non-contact radio-frequency, single
Combining induction card reader, icah wavw and point-to-point function, can be known in short distance with compatible equipment on chip
Other and data exchange.Working frequency is 13.56MHz, there is provided consumer carries out valuable transaction closely to sense mode, is present
Widely discuss and the function of realizing.When the various integration of NFC are realized with implementation, have one can not ignored influence be
Via NFC antenna to the false command caused by the function of whole NFC, current main flow NFC antenna is not for the impact of static discharge
Possesses electrostatic discharge protection.
Through retrieval：
Application No.：201510451984.X, entitled " a kind of NFC antenna ", discloses a kind of NFC antenna, by thimble
Circuit board is connected to, including：Base material；The first contact point unit, the second contact point unit and conductive coil positioned at substrate upper surface；
Wherein, the first contact point unit includes multiple the first contacts for being connected with the positive pole of the thimble, and the second contact point unit includes
Multiple is used for the second contact being connected with the negative pole of the thimble；Multiple penetrates the conductive through hole of base material, by under base material
The conductive pattern on surface is connected with each other；, to the outer ring of the conductive coil, the second contact is by the conduction for first contact portion
Through hole and the conductive pattern realize the connection with the inner ring of the conductive coil；First contact is in second contact
Dot matrix is arranged, also, includes first contact and the second contact of spaced arrangement per a line, and each row include spaced
First contact of arrangement and the second contact.Array contact design can meet various thimble contacts, without customizing design day
Line.
Application No.：201310578019.X, entitled " a kind of NFC antenna and device ", discloses a kind of NFC antenna, institute
The antenna stated is made up of FPC, ferrite sheet, and the FPC is attached to the side of ferrite sheet, whole with ferrite sheet formation one
Body.Solve the problems, such as that NFC antenna cannot be close to or be attached on metal, and by the screen knot of NFC antenna and mobile device
It is combined, saves product space.
Application No.：201410123232.6, entitled " mobile terminal and NFC antenna ", its mobile terminal includes：Terminal
Main body；NFC antenna, the NFC antenna is located at the back side of the terminal body, and the NFC antenna passes through the terminal body
In the longitudinal centre line and/or cross central line at the back side, and the longitudinal direction at the back side positioned at the terminal body of the NFC antenna
The part of heart line and/or cross central line both sides is asymmetric.Mobile terminal according to embodiments of the present invention is when P2P operations are carried out
Resonance frequency shift it is smaller, have the advantages that communication sensitivity is high, success rate is high for communication, ability to communicate is strong.
NFC antenna in above-mentioned document can not solve the problems, such as electrostatic discharge (ESD) protection, it is therefore necessary to propose to be based on electronics
The NFC antenna of the electrostatic discharge (ESD) protection below device screen, can protect NFC circuit to protect against the impact of static discharge and cause
Permanent damage, moreover it is possible to ensure that the transmission of NFC signals will not be disturbed by static discharge.
The content of the invention
For defect of the prior art, it is an object of the invention to provide a kind of electrostatic based on below electronic equipment screen
The NFC antenna of discharge prevention.
According to the NFC antenna based on the electrostatic discharge (ESD) protection below electronic equipment screen that the present invention is provided, including：PI bases
Material, the wherein one side of the PI base materials is provided with the copper cabling of NFC and the copper cabling of many rule static discharges, the PI bases
Multiple discontinuous copper billets are provided with the another side of material；Wherein, the copper cabling of the NFC forms Two-port netwerk access structure, institute
The copper cabling for stating static discharge forms Two-port netwerk open circuit structure.
Preferably, two end points of the Two-port netwerk of NFC antenna are the Origin And Destination of the copper cabling of NFC, the NFC
Copper cabling extended to from an end points of the Two-port netwerk of NFC antenna NFC antenna Two-port netwerk another end points.
Preferably, two end points of the Two-port netwerk of NFC antenna are two starting points, every of the copper cabling of static discharge
The copper cabling of static discharge with any end points in two end points of the Two-port netwerk of NFC antenna as starting point in PI base materials wherein
It is simultaneously upper to extend.
Preferably, it is provided with copper via at every extension final position of the copper cabling of static discharge, and every quiet
At opposite position of the extension terminal of the copper cabling of discharge of electricity by setting on the another side of copper via and PI base materials
Copper billet is connected.
Preferably, the track of the copper cabling of NFC is parallel to each other with the track of every copper cabling of static discharge.
Preferably, the track of the copper cabling of a plurality of static discharge that the same end point of the Two-port netwerk of NFC antenna is drawn is long
Degree is different, and without intersection point between the copper cabling of the static discharge of the different end points extraction of the Two-port netwerk of NFC antenna.
Preferably, the top layer of the PI base materials scribbles ink.
Preferably, the two end points metal area of the connection based on electronic equipment screen periphery of the Two-port netwerk of the NFC antenna
Domain, the metallic region is earth terminal.
Compared with prior art, the present invention has following beneficial effect：
1st, the NFC antenna based on the electrostatic discharge (ESD) protection below electronic equipment screen that the present invention is provided, can protect NFC electricity
Road protects against the impact of static discharge and causes permanent damage, moreover it is possible to ensure that the transmission of NFC signals will not be subject to static discharge
Interference.
2nd, the electrostatic discharge (ESD) protection NFC antenna in the present invention is simple and compact for structure, is especially suitable for placing electronic equipment screen
Lower section, the NFC antenna of electrostatic discharge (ESD) protection it is frivolous it is compact, be easily achieved electrostatic discharge (ESD) protection, overall NFC antenna performance is preferable.
Brief description of the drawings
The detailed description made to non-limiting example with reference to the following drawings by reading, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is applied in electricity for the NFC antenna based on the electrostatic discharge (ESD) protection below electronic equipment screen that the present invention is provided
Structural representation on sub-screen；
The wherein one side of the NFC antenna based on the electrostatic discharge (ESD) protection below electronic equipment screen that Fig. 2 is provided for the present invention
Structural representation；
The NFC antenna another side based on the electrostatic discharge (ESD) protection below electronic equipment screen that Fig. 3 is provided for the present invention
Structural representation；
Fig. 4 is the structural representation of conventional NFC antenna；
In figure：
The copper cabling of 1-NFC；
The copper vias of 2-；
The copper cabling of 3- static discharges；
4- copper billets；
5- electronic equipments；
6- metallic regions；
7- screens；
8- has the NFC antenna of electrostatic discharge (ESD) protection.
Specific embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that to the ordinary skill of this area
For personnel, without departing from the inventive concept of the premise, some changes and improvements can also be made.These belong to the present invention
Protection domain.
According to the NFC antenna based on the electrostatic discharge (ESD) protection below electronic equipment screen that the present invention is provided, including：PI bases
Material, the wherein one side of the PI base materials is provided with the copper cabling 1 of NFC and the copper cabling 3 of many rule static discharges, the PI
Multiple discontinuous copper billets 4 are provided with the another side of base material；Wherein, the copper cabling 1 of the NFC forms Two-port netwerk path knot
Structure, the copper cabling 3 of the static discharge forms Two-port netwerk open circuit structure.
Two end points of the Two-port netwerk of NFC antenna are the Origin And Destination of the copper cabling 1 of NFC, and the NFC's is copper
Cabling 1 extends to another end points of the Two-port netwerk of NFC antenna from an end points of the Two-port netwerk of NFC antenna.
Two end points of the Two-port netwerk of NFC antenna are two starting points of the copper cabling 3 of static discharge, and every electrostatic is put
Electricity copper cabling 3 with any end points in two end points of the Two-port netwerk of NFC antenna be starting point PI base materials wherein simultaneously
Upper extension.
Copper via 2, and every static discharge are provided with every extension final position of the copper cabling 3 of static discharge
Copper cabling 3 extend terminal by the copper billet 4 at the opposite position that is set on the another side of copper via 2 and PI base materials
Connection.
The track of the copper cabling 1 of the NFC is parallel to each other with the track of every copper cabling 3 of static discharge.
The path length of the copper cabling 3 of a plurality of static discharge that the same end point of the Two-port netwerk of NFC antenna is drawn is different
(correspondence connection different copper billets 4), and the Two-port netwerk of NFC antenna the copper cabling 3 of static discharge drawn of different end points it
Between without intersection point.
The top layer of the PI base materials scribbles ink.
The two end points metallic region 5 of the connection based on electronic equipment screen periphery of the Two-port netwerk of the NFC antenna, it is described
Metallic region 5 is earth terminal.
Specifically, as shown in figure 1, NFC days based on the electrostatic discharge (ESD) protection below electronic equipment screen in the present invention
Line, including：Copper cabling, PI base materials, colloid, copper via 2, ink and copper billet 4, PI base materials one side are the copper cabling of NFC
With the copper cabling of static discharge, PI base materials another side is discontinuous copper billet, and the copper cabling 1 of NFC forms the path of Two-port netwerk.
The copper cabling 3 of static discharge forms the open circuit of Two-port netwerk, and two ports that static discharge is formed can respectively draw a plurality of copper
Matter cabling, a plurality of copper cabling of extraction connects the discontinuous copper billet 4 of PI base material another sides by copper via respectively.Electronics sets
Standby 5 metallic region 5 is quite grounded, the Two-port netwerk metallic region 5 of the connection based on electronic equipment screen periphery of static discharge.
Ink is the top layer of the NFC antenna of electrostatic discharge (ESD) protection, and copper via 2 connects the He of copper cabling 3 of static discharge
The effect of copper billet 4.
NFC antenna of the present invention based on the electrostatic discharge (ESD) protection below electronic equipment screen, can protect NFC circuit from meeting with
Permanent damage is caused by the impact of static discharge, moreover it is possible to ensure that the transmission of NFC signals will not be disturbed by static discharge.
Further, the NFC antenna of the electrostatic discharge (ESD) protection that embodiment is provided is in circular arc, practical application in the present invention
In can as the case may be change the shape of NFC antenna, such as rectangle, polygon, irregular shape etc..
Specific embodiment of the invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can within the scope of the claims make a variety of changes or change, this not shadow
Sound substance of the invention.In the case where not conflicting, feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (8)
1. a kind of NFC antenna of the electrostatic discharge (ESD) protection based on below electronic equipment screen, it is characterised in that including：PI base materials,
The wherein one side of the PI base materials is provided with the copper cabling (1) of NFC and the copper cabling (3) of many rule static discharges, described
Multiple discontinuous copper billets (4) are provided with the another side of PI base materials；Wherein, the copper cabling (1) of the NFC forms Two-port netwerk and leads to
Line structure, the copper cabling (3) of the static discharge forms Two-port netwerk open circuit structure.
2. the NFC antenna of the electrostatic discharge (ESD) protection based on below electronic equipment screen according to claim 1, its feature exists
Be the Origin And Destination of the copper cabling (1) of NFC in, two end points of the Two-port netwerk of NFC antenna, the NFC it is copper walk
Line (1) extends to another end points of the Two-port netwerk of NFC antenna from an end points of the Two-port netwerk of NFC antenna.
3. the NFC antenna of the electrostatic discharge (ESD) protection based on below electronic equipment screen according to claim 1 and 2, it is special
Levy and be, two end points of the Two-port netwerk of NFC antenna are two starting points of the copper cabling (3) of static discharge, every electrostatic
Electric discharge copper cabling (3) with any end points in two end points of the Two-port netwerk of NFC antenna as starting point in PI base materials wherein
It is simultaneously upper to extend.
4. the NFC antenna of the electrostatic discharge (ESD) protection based on below electronic equipment screen according to claim 3, its feature exists
In being provided with copper via (2), and every static discharge at every extension final position of the copper cabling (3) of static discharge
Copper cabling (3) extension terminal by the opposite position that is set on the another side of copper via (2) and PI base materials
Copper billet (4) is connected.
5. the NFC antenna of the electrostatic discharge (ESD) protection based on below electronic equipment screen according to claim 4, its feature exists
In the track of the copper cabling (1) of NFC is parallel to each other with the track of every copper cabling (3) of static discharge.
6. the NFC antenna of the electrostatic discharge (ESD) protection based on below electronic equipment screen according to claim 4, its feature exists
In, the path length of the copper cabling (3) of a plurality of static discharge of the same end point extraction of the Two-port netwerk of NFC antenna is different, and
Without intersection point between the copper cabling (3) of the static discharge that the different end points of the Two-port netwerk of NFC antenna are drawn.
7. the NFC antenna of the electrostatic discharge (ESD) protection based on below electronic equipment screen according to claim 1, its feature exists
In the top layer of the PI base materials scribbles ink.
8. the NFC antenna of the electrostatic discharge (ESD) protection based on below electronic equipment screen according to claim 2, its feature exists
In the two end points metallic region (5) of the connection based on electronic equipment screen periphery of the Two-port netwerk of the NFC antenna, the gold
Category region (5) is earth terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710121456.7A CN106921029B (en) | 2017-03-02 | 2017-03-02 | NFC antenna based on electrostatic discharge protection under screen of electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710121456.7A CN106921029B (en) | 2017-03-02 | 2017-03-02 | NFC antenna based on electrostatic discharge protection under screen of electronic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106921029A true CN106921029A (en) | 2017-07-04 |
| CN106921029B CN106921029B (en) | 2023-08-01 |
Family
ID=59460493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710121456.7A Active CN106921029B (en) | 2017-03-02 | 2017-03-02 | NFC antenna based on electrostatic discharge protection under screen of electronic device |
Country Status (1)
| Country | Link |
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| CN (1) | CN106921029B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1925213A (en) * | 2005-09-01 | 2007-03-07 | 泛泰·科力特株式会社 | Mobile communication terminal having electrostatic discharge protection function |
| US20090262094A1 (en) * | 2008-04-22 | 2009-10-22 | Wintek Corporation | Electrostatic discharge protection device for touch panels |
| US20130335284A1 (en) * | 2012-06-19 | 2013-12-19 | Hao-Han Hsu | Edge-emitting antennas for ultra slim wireless mobile devices |
| US20140002313A1 (en) * | 2012-06-28 | 2014-01-02 | Songnan Yang | Thin chassis near field communication (nfc) antenna integration |
| CN105609949A (en) * | 2016-03-18 | 2016-05-25 | 联想(北京)有限公司 | Electronic equipment |
| CN105742783A (en) * | 2011-05-31 | 2016-07-06 | 比亚迪股份有限公司 | Near field communication antenna |
| CN106405960A (en) * | 2016-10-14 | 2017-02-15 | 深圳市宇顺工业智能科技有限公司 | Liquid crystal display screen and wiring method thereof |
| CN206574846U (en) * | 2017-03-02 | 2017-10-20 | 上海德门电子科技有限公司 | NFC antenna based on the electrostatic discharge (ESD) protection below electronic equipment screen |
-
2017
- 2017-03-02 CN CN201710121456.7A patent/CN106921029B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1925213A (en) * | 2005-09-01 | 2007-03-07 | 泛泰·科力特株式会社 | Mobile communication terminal having electrostatic discharge protection function |
| US20090262094A1 (en) * | 2008-04-22 | 2009-10-22 | Wintek Corporation | Electrostatic discharge protection device for touch panels |
| CN105742783A (en) * | 2011-05-31 | 2016-07-06 | 比亚迪股份有限公司 | Near field communication antenna |
| US20130335284A1 (en) * | 2012-06-19 | 2013-12-19 | Hao-Han Hsu | Edge-emitting antennas for ultra slim wireless mobile devices |
| US20140002313A1 (en) * | 2012-06-28 | 2014-01-02 | Songnan Yang | Thin chassis near field communication (nfc) antenna integration |
| CN105609949A (en) * | 2016-03-18 | 2016-05-25 | 联想(北京)有限公司 | Electronic equipment |
| CN106405960A (en) * | 2016-10-14 | 2017-02-15 | 深圳市宇顺工业智能科技有限公司 | Liquid crystal display screen and wiring method thereof |
| CN206574846U (en) * | 2017-03-02 | 2017-10-20 | 上海德门电子科技有限公司 | NFC antenna based on the electrostatic discharge (ESD) protection below electronic equipment screen |
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| Publication number | Publication date |
|---|---|
| CN106921029B (en) | 2023-08-01 |
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