CN106598316A - Thin film integrating touch handwriting sensor and near field communication antenna and preparation method thereof - Google Patents
Thin film integrating touch handwriting sensor and near field communication antenna and preparation method thereof Download PDFInfo
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- CN106598316A CN106598316A CN201510679763.8A CN201510679763A CN106598316A CN 106598316 A CN106598316 A CN 106598316A CN 201510679763 A CN201510679763 A CN 201510679763A CN 106598316 A CN106598316 A CN 106598316A
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- 238000004891 communication Methods 0.000 title claims abstract description 115
- 239000010409 thin film Substances 0.000 title claims abstract description 53
- 238000002360 preparation method Methods 0.000 title claims abstract description 29
- 239000000758 substrate Substances 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims description 9
- 239000010408 film Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 238000007650 screen-printing Methods 0.000 claims description 6
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical group O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 claims description 5
- 229920003223 poly(pyromellitimide-1,4-diphenyl ether) Polymers 0.000 claims description 4
- -1 polyethylene terephthalate Polymers 0.000 claims 1
- 229920000139 polyethylene terephthalate Polymers 0.000 claims 1
- 239000005020 polyethylene terephthalate Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 238000011161 development Methods 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 14
- 238000013461 design Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 239000012780 transparent material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
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- 238000007639 printing Methods 0.000 description 1
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- 239000004332 silver Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The present invention provides a thin film integrating a touch handwriting sensor and a near field communication antenna and a preparation method thereof, and the preparation method at least comprises the step of providing a substrate to form a touch handwriting sensor pattern in a visible area of the substrate and a near field communication antenna coil outside the visible area of the substrate, wherein the touch handwriting sensor pattern and the field communication antenna coil are formed on the same substrate simultaneously. The thin film integrating the touch handwriting sensor and the near field communication antenna and the preparation method thereof of the present invention integrate the touch handwriting sensor and the near field communication antenna on the same substrate to reduce cost and improve the integration level, while not increasing the difficulty of the process. Compared with the scheme that the NFC antenna is located on the backboard, the scheme of the present invention has broader applicability and represents a lighter, thinner development direction for future electronic products.
Description
Technical field
The present invention relates to electronicss manufacture field, more particularly to a kind of combination touch hand-written sensor and near-field communication day
Thin film of line and preparation method thereof.
Background technology
Currently, it is leading OGS (One Glass that the developing direction of electronic device touchscreen is mainly with original touch screen manufacturer
Solution) scheme, and On-cell the and In-cell technical schemes dominated by panel vendor.Wherein, OGS technologies are to touch
Touch screen to be integrated together with protective glass, ITO conductive layer is plated on the inside of protective glass, plated film is directly carried out on protective glass
And photoetching.In-cell technologies are that touch panel is embedded in liquid crystal pixel, i.e., be internally embedded touch sensor function in display screen.
And On-cell technologies are that touch screen is embedded between the colored optical filtering substrates of display screen and polaroid, i.e., with tactile on liquid crystal panel
Sensor is touched, compared to In-cell technologies, the difficulty of On-cell technologies reduces many.With the touch screen that On-cell technologies are manufactured
Substantially greatly use the technology of GFF (Glass-Film-Film), will two it is film adhered on glass,
Wherein one is horizontal touch sensing thin film, and another is longitudinal touch sensing thin film.
With the development of mobile device near field communication (NFC) function at this stage, NFC (Near Field Communication, closely without
Line mechanics of communication, abbreviation near-field communication) function will be configured in more handheld devices, and then promote to design NFC antenna
Research more and more paid attention to.NFC technology is recognized (RFID) and interconnected by non-contact radio-frequency
Technology Integration is developed, and combining induction card reader, icah wavw and point-to-point function on one chip can be short
It is identified and data exchange with compatible equipment apart from interior.For example, the mobile phone with NFC function can serve as airport boarding checking,
Gate inhibition's key of mansion, traffic all-purpose card, the credit card, Payment Card etc., give people life and bring great convenience.NFC
Antenna is the important devices in NFC technology, in traditional NFC antenna application, is typically chosen NFC antenna
Prepare on FPC (Flexible Printed Circuit, flexible circuit), then FPC is placed on above battery, or will
NFC antenna is prepared on other thin film, and then thin film is fitted with mobile phone back cabinet.
As can be seen here, touch screen function and NFC near field communication (NFC) functions will be realized simultaneously, it is common practice that two base materials of needs, one
Zhang Jicai is used for pasting touch sensing thin film, and another Zhang Jicai is used for pasting NFC antenna, and this is just produced into virtually increased
Thickness of this and electronic product, therefore how on the basis of process complexity is not increased, it is cost-effective, improve integrated level into
For one of those skilled in the art's problem demanding prompt solution.
The content of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of combination touches hand-written sensor and near field
Thin film of communication antenna and preparation method thereof, for solving to realize touch screen function and NFC days by two base materials in prior art
Line function, virtually improves the problem of production cost.
For achieving the above object and other related purposes, the present invention provides a kind of combination and touches hand-written sensor and near field communication antenna
Thin film, the combination touches hand-written sensor at least to be included with the thin film of near field communication antenna：
The hand-written sensor patterns of touch and near field communication antenna coil on same substrate；Wherein, it is described to touch hand-written biography
Sensor pattern is located in the range of visible area, and the near field communication antenna coil is located at outside the visible area scope.
Preferably, it is described to touch hand-written sensor patterns by transparent conductive metal grid protocol.
Preferably, the live width for touching hand-written sensor patterns is not more than 8 microns.
Preferably, the near field communication antenna coil is arranged around the visible area.
Preferably, the near field communication antenna coil is arranged at the side of the visible area.
Preferably, being additionally provided with the near field communication antenna coil increases the conductive ink layer of electric conductivity.
For achieving the above object and other related purposes, the present invention provides a kind of combination and touches hand-written sensor and near field communication antenna
Thin film preparation method, the combination touch the preparation method of hand-written sensor and the thin film of near field communication antenna at least include with
Lower step：
One substrate is provided, is formed in the range of the visible area of the substrate and is touched hand-written sensor patterns, in the visual of the substrate
Near field communication antenna coil, the hand-written sensor patterns of touch shape synchronous with the near field communication antenna coil are formed outside area's scope
Into.
Preferably, the substrate is pet film or transparent Kapton.
Preferably, forming the hand-written sensor patterns and the concrete steps of the near field communication antenna coil of touching includes：
Transparency conducting layer is sputtered on the substrate, is etched the transparency conducting layer and is formed the hand-written sensor patterns of the touch respectively
And the near field communication antenna coil.
It is highly preferred that the material of the transparency conducting layer is tin indium oxide.
Preferably, forming the hand-written sensor patterns and the concrete steps of the near field communication antenna coil of touching includes：
Formed and the hand-written sensor patterns of the touch and the near-field communication day by way of micro-nano imprint on the substrate
The corresponding pattern grooves of line coil, insert conducting metal in the pattern grooves and solidify to form the hand-written sensor map of the touch
Case and the near field communication antenna coil.
It is highly preferred that the live width for touching hand-written sensor patterns is not more than 8 microns.
Preferably, also include that conductive ink layer is printed on the near field communication antenna coil by screen printing mode leads to improve
Electrically.
As described above, the combination of the present invention touches hand-written sensor and thin film of near field communication antenna and preparation method thereof, with
Lower beneficial effect：
The combination of the present invention touch hand-written sensor and thin film of near field communication antenna and preparation method thereof by touch sensor with it is near
Field communication antenna coil is integrated on a base material, and reduces cost improves integrated level, while do not increase technology difficulty, relatively
The scheme of backboard is located in NFC antenna, the solution of the present invention suitability is wider, represents future electronic product lighter, thinner
Developing direction.
Description of the drawings
Fig. 1 is shown as the structural representation that the combination of the present invention touches hand-written sensor and the thin film of near field communication antenna.
Fig. 2 is shown as another structural representation that the combination of the present invention touches hand-written sensor and the thin film of near field communication antenna.
Fig. 3～Fig. 5 is shown as the hand-written sensor of combination touch of the present invention and a kind of preparation method of the thin film of near field communication antenna is shown
It is intended to.
Fig. 6～Fig. 8 is shown as another kind of preparation method that the combination of the present invention touches hand-written sensor and the thin film of near field communication antenna
Schematic diagram.
Component label instructions
1 combines the thin film for touching hand-written sensor and near field communication antenna
11 substrates
12 transparency conducting layers
121 touch hand-written sensor patterns
122 near field communication antenna coils
13 conductive ink layers
141 first pattern grooves
142 second graph grooves
S11～S13 steps
S21～S23 steps
Specific embodiment
Embodiments of the present invention are illustrated below by way of specific instantiation, those skilled in the art can be by disclosed by this specification
Content understand easily the present invention other advantages and effect.The present invention can also be added by specific embodiments different in addition
To implement or apply, the every details in this specification can also be based on different viewpoints and application, in the essence without departing from the present invention
Various modifications and changes are carried out under god.
Refer to Fig. 1～Fig. 8.It should be noted that the diagram provided in the present embodiment only illustrates the present invention's in a schematic way
Basic conception, only show in schema then with relevant component in the present invention rather than according to component count during actual enforcement, shape and
Size is drawn, and which is actual when the implementing kenel of each component, quantity and ratio can be a kind of random change, and its assembly layout type
State is likely to increasingly complex.
Embodiment one
As shown in figure 1, the present invention provides the thin film 1 that a kind of combination touches hand-written sensor and near field communication antenna, the combination
The thin film 1 that hand-written sensor is touched near field communication antenna at least includes：
The hand-written sensor patterns 121 of touch and near field communication antenna coil 122 on same substrate 11；Wherein, it is described
Hand-written sensor patterns 121 are touched in the range of visible area, the near field communication antenna coil 122 is located at the visible area model
Outside enclosing.
Specifically, the substrate 11 includes but is not limited to pet film (PET) or transparent polyamides is sub-
Amine thin film (PI), what any material was transparent carry the hand-written sensor patterns 121 of the touch and the near field communication antenna coil
122 medium can be used as the substrate 11.
Specifically, it is described to touch hand-written sensor patterns 121 in the range of the visible area of electronic product, in order to touch screen
Sensing, touch hand-written sensor patterns 121 and be located in visible area due to described, therefore irresistible display screen printing opacity, at this
It is in embodiment, described to touch hand-written sensor patterns 121 using transparent conductive metal grid protocol, specifically, using OTI (oxygen
Change indium stannum), other electrically conducting transparent materials are suitable for, and are not limited with the present embodiment.
Specifically, the near field communication antenna coil 122 is located at outside the visible area scope of electronic product, for realizing that near field leads to
News.As shown in figure 1, in the present embodiment, the near field communication antenna coil 122 is arranged around the visible area, described
Near field communication antenna coil 122 may be disposed at any region outside the vision area, do concrete arrangement according to different design requirements,
It is not limited with the present embodiment.
Specifically, in order to increase the electric conductivity of the near field communication antenna coil 122, on the near field communication antenna coil 122
Conductive ink layer is additionally provided with, the conductive ink layer is optionally arranged, if the near field communication antenna coil 122 is led
Use requirement can electrically be met the conductive ink layer need not be just set.
Embodiment two
The combination that the present embodiment and embodiment one are provided touches the structure basic of hand-written sensor and the thin film 1 of near field communication antenna
Cause, difference is, the hand-written sensor patterns of the touch in embodiment one 121 are made using electrically conducting transparent material, and
The hand-written sensor patterns 121 of the touch in the present embodiment are without the need for transparent material, only conductive；It is described in embodiment one
Near field communication antenna coil 122 is arranged around the visible area, and the near field communication antenna coil 122 in the present embodiment
It is arranged at the side of the visible area.
Specifically, it is described to touch hand-written sensor patterns 121 in the range of the visible area of electronic product, in order to touch screen
Sensing, touch hand-written sensor patterns 121 and be located in visible area due to described, therefore irresistible display screen printing opacity, at this
In embodiment, the live width for touching hand-written sensor patterns 121 is not more than 8 microns, and visually the fine rule for 8 microns can not
See, from macroscopically, the hand-written sensor patterns 121 that touch are shown as clear layer, do not affect the printing opacity of display screen.
Specifically, the near field communication antenna coil 122 is arranged at any side of the visible area, as shown in Fig. 2 at this
In embodiment, the near field communication antenna coil 122 is arranged at the right side of the visible area, the near field communication antenna coil 122
Any region outside the vision area is may be disposed at, concrete arrangement is done according to different design requirements, is not limited with the present embodiment.
The combination of the present invention touches the thin film of hand-written sensor and near field communication antenna by touch sensor and near field communication antenna coil
Be integrated on a base material, reduces cost improves integrated level, the scheme of backboard is located at relative to NFC antenna, it is of the invention
The scheme suitability is wider, represents future electronic product lighter, thinner developing direction.
Embodiment three
As shown in Fig. 3～Fig. 5, the present embodiment provides the preparation that a kind of combination touches hand-written sensor and the thin film of near field communication antenna
Method, the combination are touched hand-written sensor and are at least comprised the following steps with the preparation method of the thin film of near field communication antenna：
Step S11：A substrate 11 is provided, the substrate 11 includes but is not limited to pet film (PET)
Or transparent Kapton (PI).
Step S121：Transparency conducting layer 12, in the present embodiment, the transparency conducting layer 12 are sputtered on the substrate 11
Material is ITO (tin indium oxide), and other electrically conducting transparent materials are suitable for, are not limited with the present embodiment.
Step S122：Etch the transparency conducting layer 12 and formed in the visible area respectively and described touch hand-written sensor patterns
121, form the near field communication antenna coil 122 outside the visible area, it is described touch hand-written sensor patterns 121 with it is described
Near field communication antenna coil 122 is synchronous to be formed.The visible area is the dotted line frame scope as shown in Fig. 4～Fig. 5.In the present embodiment
In, the near field communication antenna coil 122 is located at the side of the visible area, and the near field communication antenna coil 122 can be arranged
Any region outside the vision area, is done concrete arrangement according to different design requirements, is not limited with the present embodiment.
Step S13：Conductive ink layer 13 is printed on the near field communication antenna coil 122 to improve by screen printing mode
Electric conductivity.If the conduction needs of the near field communication antenna coil 122 are higher, executable step S13 is described near to improve
The electric conductivity of communication antenna coil 122.
Example IV
As shown in Figure 6 to 8, the present embodiment provides another kind of system for combining and touching hand-written sensor and the thin film of near field communication antenna
Preparation Method, the combination are touched hand-written sensor and are at least comprised the following steps with the preparation method of the thin film of near field communication antenna：
Step S21：A substrate 11 is provided, the substrate 11 includes but is not limited to pet film (PET)
Or transparent Kapton (PI).
Step S221：Form hand-written with the touch in the visible area by way of micro-nano imprint on the substrate 11
121 corresponding first pattern grooves 141 of sensor patterns, form outside the visible area and the near field communication antenna coil 122
Corresponding second graph groove 142.In the present embodiment, in order that the hand-written sensor patterns of the touch for ultimately forming 121
Live width be not more than 8 microns, the width of first pattern grooves 141 should be not more than 8 microns.The visible area is such as figure
Dotted line frame scope shown in 6～Fig. 8.
Step S222：Conducting metal is inserted in first pattern grooves 141 and the second graph groove 142 and solidifies shape
It is into the hand-written sensor patterns 121 of the touch and the near field communication antenna coil 122, described to touch hand-written sensor patterns 121
It is synchronous with the near field communication antenna coil 122 to be formed.The conducting metal includes but is not limited to silver or copper.In the present embodiment,
The near field communication antenna coil 122 is located at the side of the visible area, and the near field communication antenna coil 122 may be disposed at institute
Any region outside vision area is stated, concrete arrangement is done according to different design requirements, is not limited with the present embodiment.
Step S23：Conductive ink layer 13 is printed on the near field communication antenna coil 122 to improve by screen printing mode
Electric conductivity.
The combination prepared using the method for the present embodiment is touched hand-written sensor and is made using implementing three with the thin film ratio of near field communication antenna
It is thinner with the thin film of near field communication antenna that standby combination touches hand-written sensor.
The combination of the present invention touches hand-written sensor does not increase technology difficulty with the preparation method of the thin film of near field communication antenna, prepares
Method is simple to operation, effectively increases integrated level, has saved production cost.
In sum, the present invention provides thin film that a kind of combination touches hand-written sensor and near field communication antenna and preparation method thereof,
The combination touches hand-written sensor at least to be included with the thin film of near field communication antenna：The hand-written sensing of touch on same substrate
Device pattern and near field communication antenna coil；Wherein, the hand-written sensor patterns of the touch are located in the range of visible area, described near
Field communication antenna coil is located at outside the visible area scope.The combination touches the thin film of hand-written sensor and near field communication antenna
Preparation method at least comprise the following steps：One substrate is provided, is formed in the range of the visible area of the substrate and is touched hand-written sensing
Device pattern, forms near field communication antenna coil, the hand-written sensor patterns of the touch and institute outside the visible area scope of the substrate
State near field communication antenna coil to be synchronously formed on same substrate.The combination of the present invention touches hand-written sensor and near field communication antenna
Thin film and preparation method thereof touch sensor and near field communication antenna coil are integrated on a base material, reduces cost is improved
Integrated level, while not increasing technology difficulty, is located at the scheme of backboard relative to NFC antenna, and the solution of the present invention suitability is more
Extensively, represent future electronic product lighter, thinner developing direction.So, the present invention effectively overcomes kind of the prior art
Plant shortcoming and have high industrial utilization.
The principle and its effect of above-described embodiment only illustrative present invention, it is of the invention not for limiting.It is any to be familiar with this skill
The personage of art all can carry out modifications and changes to above-described embodiment under the spirit and the scope without prejudice to the present invention.Therefore, such as
Those of ordinary skill in the art completed under without departing from disclosed spirit and technological thought all etc.
Effect modifications and changes, should be covered by the claim of the present invention.
Claims (13)
1. a kind of combination touches the thin film of hand-written sensor and near field communication antenna, it is characterised in that the combination touches hand-written sensor
At least include with the thin film of near field communication antenna：
The hand-written sensor patterns of touch and near field communication antenna coil on same substrate；Wherein, the touch is hand-written
Sensor patterns are located in the range of visible area, and the near field communication antenna coil is located at outside the visible area scope.
2. combination according to claim 1 touches the thin film of hand-written sensor and near field communication antenna, it is characterised in that：It is described to touch
Hand-written sensor patterns are touched by transparent conductive metal grid protocol.
3. combination according to claim 1 touches the thin film of hand-written sensor and near field communication antenna, it is characterised in that：It is described to touch
The live width for touching hand-written sensor patterns is not more than 8 microns.
4. combination according to claim 1 touches the thin film of hand-written sensor and near field communication antenna, it is characterised in that：It is described near
Field communication antenna coil is arranged around the visible area.
5. combination according to claim 1 touches the thin film of hand-written sensor and near field communication antenna, it is characterised in that：It is described near
Field communication antenna coil is arranged at the side of the visible area.
6. combination according to claim 1 touches the thin film of hand-written sensor and near field communication antenna, it is characterised in that：It is described near
The conductive ink layer for increasing electric conductivity is additionally provided with the communication antenna coil of field.
7. a kind of combination touches the preparation method of hand-written sensor and the thin film of near field communication antenna, it is characterised in that the combination is touched
Hand-written sensor is at least comprised the following steps with the preparation method of the thin film of near field communication antenna：
One substrate is provided, is formed in the range of the visible area of the substrate and is touched hand-written sensor patterns, in the substrate can
Near field communication antenna coil is formed outside vision area scope, the hand-written sensor patterns of the touch are same with the near field communication antenna coil
Step is formed.
8. combination according to claim 7 touches the preparation method of hand-written sensor and the thin film of near field communication antenna, and its feature exists
In：The substrate is polyethylene terephthalate film or transparent Kapton.
9. combination according to claim 7 touches the preparation method of hand-written sensor and the thin film of near field communication antenna, and its feature exists
In：Forming the hand-written sensor patterns and the concrete steps of the near field communication antenna coil of touching includes：
Transparency conducting layer is sputtered on the substrate, is etched the transparency conducting layer and is formed the hand-written sensor map of the touch respectively
Case and the near field communication antenna coil.
10. combination according to claim 9 touches the preparation method of hand-written sensor and the thin film of near field communication antenna, its feature
It is：The material of the transparency conducting layer is tin indium oxide.
11. combinations according to claim 7 touch the preparation method of hand-written sensor and the thin film of near field communication antenna, its feature
It is：Forming the hand-written sensor patterns and the concrete steps of the near field communication antenna coil of touching includes：
Form logical with the hand-written sensor patterns of the touch and the near field by way of micro-nano imprint on the substrate
The corresponding pattern grooves of news aerial coil, insert conducting metal in the pattern grooves and solidify to form the hand-written biography of the touch
Sensor pattern and the near field communication antenna coil.
12. combinations according to claim 11 touch the preparation method of hand-written sensor and the thin film of near field communication antenna, its feature
It is：The live width for touching hand-written sensor patterns is not more than 8 microns.
13. combinations according to claim 7 touch the preparation method of hand-written sensor and the thin film of near field communication antenna, its feature
It is：Also include conductive ink layer is printed on the near field communication antenna coil to improve conduction by screen printing mode
Property.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510679763.8A CN106598316A (en) | 2015-10-19 | 2015-10-19 | Thin film integrating touch handwriting sensor and near field communication antenna and preparation method thereof |
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| CN201510679763.8A CN106598316A (en) | 2015-10-19 | 2015-10-19 | Thin film integrating touch handwriting sensor and near field communication antenna and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114976605A (en) * | 2021-02-23 | 2022-08-30 | 北京京东方技术开发有限公司 | Thin film sensor, thin film sensor array, and electronic device |
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| CN104485983A (en) * | 2014-12-09 | 2015-04-01 | 深圳市汇顶科技股份有限公司 | Touch screen and terminal integrated with NFC (Near Filed Communication) antenna and near filed communication method thereof |
| CN205103797U (en) * | 2015-10-19 | 2016-03-23 | 上海蓝沛信泰光电科技有限公司 | Combine touch to write by hand sensor and near field communications array's film |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114976605A (en) * | 2021-02-23 | 2022-08-30 | 北京京东方技术开发有限公司 | Thin film sensor, thin film sensor array, and electronic device |
| CN114976605B (en) * | 2021-02-23 | 2024-01-30 | 北京京东方技术开发有限公司 | Thin film sensor, thin film sensor array and electronic device |
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