CN202454295U - Sensing conductive film for capacitive touch screen - Google Patents
Sensing conductive film for capacitive touch screen Download PDFInfo
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- CN202454295U CN202454295U CN2012200522671U CN201220052267U CN202454295U CN 202454295 U CN202454295 U CN 202454295U CN 2012200522671 U CN2012200522671 U CN 2012200522671U CN 201220052267 U CN201220052267 U CN 201220052267U CN 202454295 U CN202454295 U CN 202454295U
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- sense line
- conductive film
- touch screen
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Abstract
The utility model discloses a sensing conductive film for a capacitive touch screen. The sensing conductive film is a single-layer capacitive-resistance conductive film arranged on a single-layer base plate and comprises a plurality of groups of induction blocks which are parallelly arranged along a first axial direction of the touch screen, each induction block is provided with a first sensing wire and a plurality of groups of mutually independent second sensing wire blocks, the first sensing wire is provided with slender tooth profiles and runs through a second axial direction of the touch screen perpendicular to the first axial direction, a first lead wire is arranged at one end of the first sensing wire, a single second sensing wire block is a triangle matched with the tooth profiles of the first sensing wire, the second sensing wire blocks are mutually insulated and are spliced in the tooth profiles of the first sensing wire to form slender induction blocks, and a second lead wire is arranged on each second sensing wire block. Compared with the structural design of a circuit of a traditional sensing conductive film, the sensing conductive film has the advantages that single-layer sensing conductive design on the single-layer base plate can be realized by means of development and application of the sensing conductive film, and accordingly, the thickness of the capacitive touch screen is effectively reduced.
Description
Technical field
The utility model relates to a kind of capacitive touch screen, relates in particular to the individual layer sensing conductive film structure of this touch-screen.
Background technology
Touch-screen is a kind of simple, convenient, natural human-computer interaction device, and it has been widely used in various places.Touch-screen is of a great variety, divides by principle mainly to comprise resistance-type, condenser type, infrared type and surface acoustic wave type.Wherein capacitive touch screen is that the induced current that capacitance variations produced that utilizes electrode on the glass substrate to combine with static between the human body to be produced the be touched coordinate of position of detector.Principle of induction acts on four corners of screen induction zone and forms a stationary electric field with voltage, when finger bumps screen, can make electric field cause electric current, measures by controller, according to the difference of four corner ratios of electric current, can calculate contact position.
Main part as capacitive touch screen; The sensing module has following several kinds of versions under prior art: (1) single layer substrate and the conducting film that invests its upper surface; (2) single layer substrate and conducting film, (3) double layer substrate and the conducting film that invests each laminar substrate upper surface respectively of giving its upper and lower surfaces.The coatings that wherein conducting film can individual layer or be coated with rete also can be the coatings of multilayer or be coated with rete.Existing sensing conducting film to such capacitive touch screen adopts the multicoating layer of sense line criss-cross arrangement formation more or is coated with rete (as shown in Figure 1); Through pressing operation to touch-screen; Make staggered sense line engage, thereby differentiate the particular location of user the capacitive touch screen operation.Yet this multicoating layer or be coated with rete and caused the lightening bottleneck of capacitance touch screen products.
For this reason, for the technical staff who is engaged in capacitive touch screen research, look for the sensing conducting film sensing arrangement that is applicable to single layer structure, significant for the development of touch-screen industry.
Summary of the invention
In view of the defective and an urgent demand of above-mentioned prior art, the purpose of the utility model is to propose a kind of sensing conducting film that is used for capacitive touch screen, solves the sensing arrangement problem of implementation of individual layer sensing conducting film.
The object of the invention; To be achieved through following technical scheme: the sensing conducting film that is used for capacitive touch screen; Said sensing conducting film is that the individual layer of being located on the single layer substrate holds resistance formula conductive film; It is characterized in that: said conductive film is for being paralleled by plural groups and constituting along the sensor block of touch-screen first axially-aligned, and each said sensor block has one first sense line and a plurality of second separate sense line piece, and wherein said first sense line is elongated profile of tooth; Connect axially vertical second axial of touch-screen relative first, and first sense line, one end is provided with first lead-out wire; The single said second sense line piece is the triangle that matees with the first sense line profile of tooth; A plurality of second sense line piece mutually insulateds splice among the first sense line profile of tooth; Be combined into elongated sensor block, each said second sense line piece is respectively equipped with second lead-out wire.
Further, the quantity of the second sense line piece and the touch-control precision direct ratio of touch-screen are complementary in the sensor block group number of said conductive film and each sensor block.
Further, said first lead-out wire and second lead-out wire converge at touch-screen homonymy or both sides.
The development and the application of the utility model sensing conducting film compare to the circuit structure design of traditional sensing conducting film, can realize the individual layer sensing conduction design on the single layer substrate, effectively the thickness of attenuate capacitive touch screen; And, a kind of accurately controlled touch-screen sensing scheme that touches is provided through two sense line and combinations of plural sense line piece that axial upper density is adjustable.
Following constipation closes the embodiment accompanying drawing, the embodiment of the utility model is done further to detail, so that technical scheme of the present invention is easier to understand, grasp.
Description of drawings
Fig. 1 is the sensing picture construction sketch map of conventional touch screen conducting film;
Fig. 2 is the sensor block picture construction sketch map of the utility model sensing conducting film;
Fig. 3 is the principle of induction sketch map of the utility model sensing conducting film.
Embodiment
Complicated in view of the sensing conducting film product processes of existing capacitive touch screen, sandwich construction overlaps, ultra-thinization of incompatibility human-computer interaction device designing requirement.The researcher of the utility model is through the architectural feature of the capacitive touch screen of concentrating on studies for many years, and to the designing requirement of individual layer sensing conducting film, innovation having proposed a kind of higher feasibility that has, and technology realizes easier sensing conducting film solution.
As shown in Figure 2; The sensing conducting film of this kind capacitive touch screen; This sensing conducting film 2 holds resistance formula conductive film for the individual layer of being located on the single layer substrate 1, and it is for being paralleled by plural groups (in the illustrated embodiment being eight groups) and constituting along the sensor block of touch-screen first axially-aligned.With one of them sensor block is example; It has one first sense line 21 and a plurality of second separate sense line pieces (221; 222 ... 226); Wherein first sense line 21 is elongated profile of tooth, connect axially vertical second axial of touch-screen relative first, and first sense line, one end is provided with first lead-out wire; The single second sense line piece is and the triangle of first sense line profile of tooth coupling that a plurality of (being six) second sense line piece mutually insulated splices among the first sense line profile of tooth, is combined into elongated sensor block in the present embodiment.Each said second sense line piece is respectively equipped with second lead-out wire.
Those lead-out wires gather the back through certain way and link to each other with IC chip 11 conductings of touch-screen.
Especially, the quantity of the second sense line piece and the touch-control precision direct ratio of touch-screen are complementary in the sensor block group number of above-mentioned conductive film and each sensor block.
The sensing positioning principle of this touch-screen as shown in Figure 3 is visible: corresponding to different touch sensing location, that possibly touched simultaneously comprises at least one sense line and the sense line piece more than, and it also possibly relate to two adjacent sensor blocks.
The development and the application of the utility model sensing conducting film compare to the circuit structure design of traditional sensing conducting film, can realize the individual layer sensing conduction design on the single layer substrate, effectively the thickness of attenuate capacitive touch screen; And, a kind of accurately controlled touch-screen sensing scheme that touches is provided through two sense line and combinations of plural sense line piece that axial upper density is adjustable.
Claims (3)
1. the sensing conducting film that is used for capacitive touch screen; Said sensing conducting film is that the individual layer of being located on the single layer substrate holds resistance formula conductive film; It is characterized in that: said conductive film is for being paralleled by plural groups and constituting along the sensor block of touch-screen first axially-aligned; Each said sensor block has one first sense line and a plurality of second separate sense line piece; Wherein said first sense line is elongated profile of tooth, connect axially vertical second axial of touch-screen relative first, and first sense line, one end is provided with first lead-out wire; The single said second sense line piece is the triangle that matees with the first sense line profile of tooth; A plurality of second sense line piece mutually insulateds splice among the first sense line profile of tooth; Be combined into elongated sensor block, each said second sense line piece is respectively equipped with second lead-out wire.
2. the sensing conducting film that is used for capacitive touch screen according to claim 1 is characterized in that: the quantity of the second sense line piece and the touch-control precision direct ratio of touch-screen are complementary in the sensor block group number of said conductive film and each sensor block.
3. the sensing conducting film that is used for capacitive touch screen according to claim 1 is characterized in that: said first lead-out wire and second lead-out wire converge at touch-screen homonymy or both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200522671U CN202454295U (en) | 2012-02-17 | 2012-02-17 | Sensing conductive film for capacitive touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200522671U CN202454295U (en) | 2012-02-17 | 2012-02-17 | Sensing conductive film for capacitive touch screen |
Publications (1)
| Publication Number | Publication Date |
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| CN202454295U true CN202454295U (en) | 2012-09-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200522671U Expired - Fee Related CN202454295U (en) | 2012-02-17 | 2012-02-17 | Sensing conductive film for capacitive touch screen |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105912176A (en) * | 2016-03-31 | 2016-08-31 | 成都京东方光电科技有限公司 | Touch-control electrode structure, touch screen and display device |
| CN106910552A (en) * | 2017-03-23 | 2017-06-30 | 安徽玖信光电科技有限公司 | A kind of individual layer condenser type conducting film |
| CN106933434A (en) * | 2017-03-23 | 2017-07-07 | 安徽玖信光电科技有限公司 | A kind of capacitive touch screen senses conducting film |
-
2012
- 2012-02-17 CN CN2012200522671U patent/CN202454295U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105912176A (en) * | 2016-03-31 | 2016-08-31 | 成都京东方光电科技有限公司 | Touch-control electrode structure, touch screen and display device |
| CN105912176B (en) * | 2016-03-31 | 2018-12-18 | 成都京东方光电科技有限公司 | A kind of touch electrode structure, touch screen and display device |
| CN106910552A (en) * | 2017-03-23 | 2017-06-30 | 安徽玖信光电科技有限公司 | A kind of individual layer condenser type conducting film |
| CN106933434A (en) * | 2017-03-23 | 2017-07-07 | 安徽玖信光电科技有限公司 | A kind of capacitive touch screen senses conducting film |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Lixin optical (Suzhou) Co., Ltd. Assignor: Du Xiulan Contract record no.: 2013320010002 Denomination of utility model: Sensing conductive film for capacitive touch screen Granted publication date: 20120926 License type: Exclusive License Record date: 20130122 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20150217 |
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| EXPY | Termination of patent right or utility model |