CN202533905U - Touch sensing device - Google Patents
Touch sensing device Download PDFInfo
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- CN202533905U CN202533905U CN2012201042313U CN201220104231U CN202533905U CN 202533905 U CN202533905 U CN 202533905U CN 2012201042313 U CN2012201042313 U CN 2012201042313U CN 201220104231 U CN201220104231 U CN 201220104231U CN 202533905 U CN202533905 U CN 202533905U
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- positive
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- induction
- induction electrode
- touch control
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Abstract
The utility model discloses a touch sensing device, which comprises a substrate, a plurality of positive sensing electrodes, a plurality of negative sensing electrodes and a signal processor. The positive sensing electrodes are formed on the substrate, and each positive sensing electrode is provided with a plurality of positive base parts and a plurality of positive extended parts, wherein the positive base parts are connected into a straight line, and the positive extended parts are downwards extended from the tail ends of the positive base parts respectively. The negative sensing electrodes are formed on the substrate, and each negative sensing electrode is provided with a plurality of negative base parts and a plurality of negative extended parts, wherein the negative base parts are connected into a straight line, and the negative extended parts are upwards extended from the tail ends of the negative base parts respectively. The positive and negative sensing electrodes are opposite in pairs, and the positive and negative extended parts are staggered and not overlapped. The signal processor is electrically connected with the positive and negative sensing electrodes. The positive and negative sensing electrodes adopt a comb structure, a feedback voltage signal gain can be obtained, a feedback signal in a perpendicular direction can be enhanced, the sensitivity and accuracy of the sensing electrodes can be improved, the requirements of actual multipoint application can be met, and the processing and analysis load of the signal processor cannot be excessively aggravated.
Description
Technical field
The utility model relates to a kind of touch control induction device, refers to a kind of touch control induction device with improved electrode structure especially.
Background technology
Capacitive touch control plate is to produce a capacity effect through the moment that user's finger or conductor touch on panel, can confirm the position of finger or conductor then through the variation of capacitance, reaches the purpose of signal input in view of the above.The substrate of traditional capacitance touch-screen is provided with the anode and cathode conductive circuit; Its principle of work is when the user touches two induction electrodes of being separated by; Finger provides the path of two induction electrode conductings; And utilize the electric energy mode to stimulate the nerve or the musculature of finger, reach the purpose of electro photoluminescence tactile feedback.The change amount of the contact capacitance value through detecting both positive and negative polarity can be confirmed the position that hand touches respectively after handling via touch-control IC, and then point the coordinate of touch point on definite touch-screen.The present electro photoluminescence tactile feedback panel of a kind of non-overlapped positive and negative induction electrode commonly used only need pass through one gold-tinted technology like the structure of TaiWan, China patent M393737 number " the electro photoluminescence tactile feedback panel of non-overlapped positive and negative induction electrode " and can form conducting wire simple in structure and make the electro photoluminescence haptic feedback functions to provide.
The prior art related to non-overlapping negative for the induction electrode of the transparent conductive film in addition to the above positive and negative electrodes parallel structures, further well as to enhance the sensitivity of the sensing electrode and accuracy of the related art, such as China Taiwan Patent No. M416811 "touch sensing device "triangle pattern samples with China Taiwan patent No. M416144" capacitive touch screen multi-touch positioning maneuver compensated structure "swastika-like pattern, however Although these structures to meet the real multi-point applications, However, these structures were induced point repeatedly compensation feedback, overly increase the signal processor of the burden.
Because above-described demand; Weak point and research and development for a long time that the inventor exists to prior art; Satisfy and utilization comb-type structure increase induction region, and then design this touch-screen that only needs individual layer and promptly reach the utility model that true multiple spot is used.
The utility model content
The fundamental purpose of the utility model is to provide a kind of touch control induction device, and sensitivity and degree of accuracy that it can promote induction electrode satisfy the application of true multiple spot, and does not too increase signal processor processes burden analytically.
In order to reach above-mentioned purpose, the utility model provides a kind of touch control induction device, comprising: a substrate; Many positive induction electrodes, it is formed on this substrate and has a plurality of positive base portions respectively and a plurality of positive extension, these positive base portions be linked to be a straight line and these positive extensions respectively from the end of these positive base portions to extending below; Many negative induction electrodes; It is formed on this substrate and has a plurality of negative base portions respectively and a plurality of negative extension; These negative base portions are linked to be a straight line and these negative extensions extend upward from the end of these negative base portions respectively; These positive induction electrodes are relative in twos with these negative induction electrodes, and these positive extensions and these negative extensions are staggered and do not overlap each other; And a signal processor, this signal processor and these positive induction electrodes and these negative induction electrodes electrically connect.
Further, positive induction electrode and negative induction electrode are nesa coating.
Further, nesa coating is the film that has the film of ITO transparency conducting layer or have the CNT transparency conducting layer.
Further, touch control induction device also comprises many leads, and signal processor is electrically connected to positive induction electrode and negative induction electrode through lead.
Further, substrate is a glass substrate.
The utility model provides a kind of touch control induction device in addition, comprising: a substrate; Many positive induction electrodes, it is formed on this substrate and has a plurality of positive base portions respectively and a plurality of positive extension, and these positive base portions are linked to be a straight line and these positive extensions extend to both sides from the end of these positive base portions respectively; Many negative induction electrodes; It is formed on this substrate and has a plurality of negative base portions respectively and a plurality of negative extension; These negative base portions are linked to be a straight line and these negative extensions extend to both sides from the end of these negative base portions respectively; These positive induction electrodes and these negative induction electrodes are alternately arranged, and these positive extensions and these negative extensions are staggered and do not overlap each other; And a signal processor, this signal processor and these positive induction electrodes and these negative induction electrodes electrically connect.
Further, positive induction electrode and negative induction electrode are nesa coating.
Further, nesa coating is the film that has the film of ITO transparency conducting layer or have the CNT transparency conducting layer.
Further, touch control induction device also comprises many leads, and signal processor is electrically connected to positive induction electrode and negative induction electrode through lead.
Further, substrate is a glass substrate.
The utlity model has following useful effect:
The utility model positive and negative electrode adopts pectination; Gain feedback voltage signal, Strengthenable promote the sensitivity and the degree of accuracy of induction electrode in the feedback signal of vertical direction; Satisfy the application of true multiple spot, and too do not increase signal processor processes burden analytically.
Description of drawings
Figure 1A is the utility model touch control induction device first example structure synoptic diagram.
Figure 1B is the positive induction electrode partial enlarged drawing of the utility model touch control induction device first embodiment.
Fig. 1 C is the negative induction electrode partial enlarged drawing of the utility model touch control induction device first embodiment.
Fig. 2 A is the utility model touch control induction device second example structure synoptic diagram.
Fig. 2 B is the positive induction electrode partial enlarged drawing of the utility model touch control induction device second embodiment.
Fig. 2 C is the negative induction electrode partial enlarged drawing of the utility model touch control induction device second embodiment.
[main element symbol description]
1 substrate
2 positive induction electrodes
21 positive base portions
22 positive extensions
3 negative induction electrodes
31 negative base portions
32 negative extensions
4 signal processors
5 leads
Embodiment
[first embodiment]
See also shown in Figure 1A, Figure 1B and Fig. 1 C, the utility model first embodiment provide a kind of touch control induction device, comprises the positive induction electrode of a substrate 1, many 2, many negative induction electrodes 3 and a signal processor 4.
These positive induction electrodes 2 are formed on the substrate 1 and have a plurality of positive base portions 21 respectively and a plurality of positive extension 22.These positive base portions 21 be linked to be a straight line and these positive extensions 22 respectively from the end of these positive base portions 21 to extending below.In the present embodiment, these positive induction electrodes 2 can be nesa coating.
These negative induction electrodes 3 are formed on the substrate 1 and have a plurality of negative base portions 31 respectively and a plurality of negative extension 32.These negative base portions 31 are linked to be a straight line and these negative extensions 32 extend upward from the end of these negative base portions 31 respectively.In the present embodiment, these negative induction electrodes 3 can be nesa coating.
These positive induction electrodes 2 and these negative induction electrodes 3 are relative in twos, and these positive extensions 22 and these negative extensions 32 are staggered and do not overlap each other.
Signal processor 4 electrically connects with these positive induction electrodes 2 and these negative induction electrodes 3.In the present embodiment.Signal processor 4 is electrically connected to these positive induction electrodes 2 and these negative induction electrodes 3 respectively through many leads 5, but does not limit.Signal processor 4 is connected to the both sides that positive induction electrode 2 and the lead 5 of negative induction electrode 3 can be formed at substrate 1 respectively, the situation that can avoid positive and negative induction electrode 2,3 to be short-circuited.
The method for making of these positive induction electrodes 2, these negative induction electrodes 3 and these leads 5 is following:
At first process as the nesa coating of positive induction electrode 2 and negative induction electrode 3 desiring; Processing mode can adopt chemical etching of little shadow gold-tinted or Laser Processing; With non-conducting material zone burn off on the nesa coating, and form the gap of positive and negative induction electrode 2,3 nesa coatings.Next make lead 5 with wire mark or the little shadow gold-tinted of chemistry coating again.
In the present embodiment, can be the film of (tin indium oxide) transparency conducting layer that has ITO or have the film of CNT (double-deck CNT) transparency conducting layer as the nesa coating of positive and negative induction electrode 2,3.Lead 5 materials can be elargol or metallic conduction material formation.
[second embodiment]
See also shown in Fig. 2 A, Fig. 2 B and Fig. 2 C, the utility model second embodiment general configuration is identical with first embodiment, and the difference part is that the structure of these positive induction electrodes 2 and these negative induction electrodes 3 is different with arrangement mode, that is:
These positive induction electrodes 2 are formed on the substrate 1 and have a plurality of positive base portions 21 respectively and a plurality of positive extension 22.These positive base portions 21 are linked to be a straight line and these positive extensions 22 extend to both sides from the end of these positive base portions 21 respectively.
These negative induction electrodes 3 are formed on the substrate 1 and have a plurality of negative base portions 31 respectively and a plurality of negative extension 32.These negative base portions 31 are linked to be a straight line and these negative extensions 32 extend to both sides from the end of these negative base portions 31 respectively.
The negative induction electrode 3 of these positive induction electrodes 2 and these is alternately arranged, and these positive extensions 22 and these negative extensions 32 are staggered and do not overlap each other.
When passing through user's finger touch substrate 1, the principle of work of the utility model produces a capacity effect; Through detecting the contact capacitance value change amount of positive and negative induction electrode 2,3; Can confirm the position that hand touches after calculating via signal processor 4, and then the coordinate of finger touch point on definite substrate 1.
The utility model user's capable of using finger touched the two positive and negative induction electrodes of being separated by at 2,3 o'clock; Finger provides the path of positive and negative induction electrode 2,3 conductings; And utilize the electric energy mode to stimulate the nerve or the musculature of finger, reach the purpose of electro photoluminescence tactile feedback.
Positive induction electrode of the utility model 2 and negative induction electrode 3 adopt pectinations, the application that therefore only needs the touch-screen of individual layer can reach true multiple spot, and too do not increase signal processor processes burden analytically.
The above person is merely the utility model preferred embodiment wherein, is not the practical range that is used for limiting the utility model, and promptly all equalizations of being done according to the utility model claim change and modify, and are the utility model claim and contain.
Claims (10)
1. a touch control induction device is characterized in that, said touch control induction device comprises:
One substrate;
Many positive induction electrodes, said positive induction electrode are formed on the said substrate and have a plurality of positive base portions respectively and a plurality of positive extension, said positive base portion be linked to be a straight line and said positive extension respectively from the end of said positive base portion to extending below;
Many negative induction electrodes; Said negative induction electrode is formed on the said substrate and has a plurality of negative base portions respectively and a plurality of negative extension; Said negative base portion is linked to be a straight line and said negative extension extends upward from the end of said negative base portion respectively; Said positive induction electrode is relative in twos with said negative induction electrode, and said positive extension and said negative extension are staggered and do not overlap each other; And
One signal processor, said signal processor and said positive induction electrode and said negative induction electrode electrically connect.
2. touch control induction device according to claim 1 is characterized in that, said positive induction electrode and said negative induction electrode are nesa coating.
3. touch control induction device according to claim 2 is characterized in that, said nesa coating is the film that has the film of ITO transparency conducting layer or have the CNT transparency conducting layer.
4. touch control induction device according to claim 1 is characterized in that said touch control induction device also comprises many leads, and said signal processor is electrically connected to said positive induction electrode and said negative induction electrode through said lead.
5. touch control induction device according to claim 1 is characterized in that, said substrate is a glass substrate.
6. a touch control induction device is characterized in that, said touch control induction device comprises:
One substrate;
Many positive induction electrodes, said positive induction electrode are formed on the said substrate and have a plurality of positive base portions respectively and a plurality of positive extension, and said positive base portion is linked to be a straight line and said positive extension extends to both sides from the end of said positive base portion respectively;
Many negative induction electrodes; Said negative induction electrode is formed on the said substrate and has a plurality of negative base portions respectively and a plurality of negative extension; Said negative base portion is linked to be a straight line and said negative extension extends to both sides from the end of said negative base portion respectively; Said positive induction electrode and said negative induction electrode are alternately arranged, and said positive extension and said negative extension are staggered and do not overlap each other; And
One signal processor, said signal processor and said positive induction electrode and said negative induction electrode electrically connect.
7. touch control induction device according to claim 6 is characterized in that, said positive induction electrode and said negative induction electrode are nesa coating.
8. touch control induction device according to claim 7 is characterized in that, said nesa coating is the film that has the film of ITO transparency conducting layer or have the CNT transparency conducting layer.
9. touch control induction device according to claim 6 is characterized in that said touch control induction device also comprises many leads, and said signal processor is electrically connected to said positive induction electrode and said negative induction electrode through said lead.
10. touch control induction device according to claim 6 is characterized in that, said substrate is a glass substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201042313U CN202533905U (en) | 2012-03-19 | 2012-03-19 | Touch sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201042313U CN202533905U (en) | 2012-03-19 | 2012-03-19 | Touch sensing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202533905U true CN202533905U (en) | 2012-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201042313U Expired - Fee Related CN202533905U (en) | 2012-03-19 | 2012-03-19 | Touch sensing device |
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| CN (1) | CN202533905U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014121580A1 (en) * | 2013-02-06 | 2014-08-14 | 南昌欧菲光科技有限公司 | Touch-sensing element and touch screen having same |
| CN104657021A (en) * | 2015-02-28 | 2015-05-27 | 深圳市华星光电技术有限公司 | Embedded touch structure and liquid crystal display panel with embedded touch structure |
| CN104951161A (en) * | 2015-07-06 | 2015-09-30 | 武汉华星光电技术有限公司 | Liquid crystal display with touch function and conducting layer structure thereof |
| CN106449966A (en) * | 2016-11-17 | 2017-02-22 | 北京钛方科技有限责任公司 | Piezoelectric sensing device and application |
| CN108089380A (en) * | 2017-12-08 | 2018-05-29 | 华南师范大学 | A kind of single side bipolar electrode and a kind of method of electric responsive material surface configuration |
-
2012
- 2012-03-19 CN CN2012201042313U patent/CN202533905U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014121580A1 (en) * | 2013-02-06 | 2014-08-14 | 南昌欧菲光科技有限公司 | Touch-sensing element and touch screen having same |
| CN104657021A (en) * | 2015-02-28 | 2015-05-27 | 深圳市华星光电技术有限公司 | Embedded touch structure and liquid crystal display panel with embedded touch structure |
| CN104951161A (en) * | 2015-07-06 | 2015-09-30 | 武汉华星光电技术有限公司 | Liquid crystal display with touch function and conducting layer structure thereof |
| WO2017004846A1 (en) * | 2015-07-06 | 2017-01-12 | 武汉华星光电技术有限公司 | Liquid crystal display with touch control function, and conducting layer structure thereof |
| CN104951161B (en) * | 2015-07-06 | 2019-01-22 | 武汉华星光电技术有限公司 | Liquid crystal display and its conductive coating structure with touch function |
| CN106449966A (en) * | 2016-11-17 | 2017-02-22 | 北京钛方科技有限责任公司 | Piezoelectric sensing device and application |
| CN108089380A (en) * | 2017-12-08 | 2018-05-29 | 华南师范大学 | A kind of single side bipolar electrode and a kind of method of electric responsive material surface configuration |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 Termination date: 20190319 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |