CN102193697A - Single-layer capacitive touch device - Google Patents
Single-layer capacitive touch device Download PDFInfo
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- CN102193697A CN102193697A CN2010101432593A CN201010143259A CN102193697A CN 102193697 A CN102193697 A CN 102193697A CN 2010101432593 A CN2010101432593 A CN 2010101432593A CN 201010143259 A CN201010143259 A CN 201010143259A CN 102193697 A CN102193697 A CN 102193697A
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- sensor pads
- contact panel
- control device
- sensor
- triangle
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Abstract
The invention discloses a capacitive touch device, which comprises a touch panel, a plurality of triangular sensing pads, a plurality of leads and a control circuit, wherein every four triangular sensing pads are arranged on the touch panel in a square form; and each triangular pad is electrically connected to the control circuit through one lead. When the plurality of triangular sensing pads are touched to generate a sensing signal, the control circuit is used for calculating the position of a touch point according to the intensity of the sensing signal.
Description
Technical field
The present invention relates to a kind of capacitive touch device, relate in particular to a kind of individual layer capacitive touch device.
Background technology
In recent years, Touch Screen has obtained the approval in market because of the employing of touch-control mobile phone, so has numerous manufacturers to add the exploitation and design ranks of Touch Screen.Wherein, capacitive touch device because tolerance is good and have preferable touch-control impression, and becomes the next-generation of the resistance touch screen of present main flow of desirable generation.Yet,, become the main cause that it does not apply to consumer products as yet in a large number because the cost of capacitive touch device is higher.
Please refer to Fig. 1, Fig. 1 is projected capacitive touch (Projective CapacitanceTouch, PCT) Zhuan Zhi the sensor pad Organization Chart of prior art.Projective capacitive touch-control device 100 has used two conductive layers to make sensor pad, conveniently to carry out the scanning motion of circuit, mainly comprise a contact panel (not shown), for example, adopt the glass contact panel, one is disposed at the overlayer (not shown) on this glass plate; Upper surface in glass plate disposes a Y-axis sensor pad 102, and Y-axis sensor pad 102 is provided with a plurality of Y-axis sensor pad (y1, y2, y3, y4 with fixed intervals ...).Following laminar surface at glass plate then disposes an X-axis sensor pad 101, with Y-axis sensor pad quadrature and with fixed intervals a plurality of X-axis sensor pad (x1, x2, x3, x4 to be set ...).During when finger touch or near overlayer, change,, can detect X-axis coordinate data and Y-axis coordinate data via the detection of testing circuit at the X-axis sensor pad of touch location and the electric capacity of Y-axis sensor pad.Use this kind double-layer capacitance formula contactor control device 100, need lay X-axis sensor pad and Y-axis sensor pad respectively, be generally and adopt indium tin oxide (ITO) to be made as transparent sensor pad, so production cost is higher on the upper and lower surface of this glass plate.For solving the weak point of double-layer capacitance formula contactor control device 100, the individual layer capacitive touch device arises at the historic moment.
Please refer to Fig. 2, Fig. 2 is the synoptic diagram of the individual layer capacitive touch device of prior art.Individual layer capacitive touch device 200 is that with double-layer capacitance formula contactor control device 100 differences 200 of individual layer capacitive touch devices are laid a sensor pad on the single surface of glass plate.Sensor pad is that the Y-axis at glass plate is provided with a plurality of triangle sensor pads 201 with fixed intervals, per two triangle sensor pads 201 are symmetry and make every diabolo sensor pad form slender type and be parallel to X-axis, a plurality of parallel triangular form sensor pads are to after stacking, and the sensor pad that can form the Y-axis arrangement is right.This kind framework can detect the variation of the different capacitances of X-axis by triangle under the staggered situation that increases progressively and successively decrease of shape, calculate the touch coordinate of the X-axis of touch points S by the interpolation method.In Y-axis, then can obtain the touch coordinate of the Y-axis of touch points S by the triangle sensor pad that difference is propped up.The largest benefit of individual layer capacitive touch device is that production cost is reduced.
Please refer to Fig. 3, Fig. 3 is the synoptic diagram of another individual layer capacitive touch device of prior art.Capacitive touch device 300 comprises contact panel 301 and control circuit 303.Contact panel 301 comprises a plurality of sensor pads 304 and many leads 302, and each sensor pad 304 all utilizes a lead 302 to be electrically connected at control circuit 303.When sensor pad is subjected to touching and produces induced signal, the position that the intensity of the induced signal that control circuit 303 can be produced according to sensor pad 304 is calculated touch points.Yet,,, make that the touch-control susceptibility of contactor control device 300 is lower so adjacent sensor pad 304 only produces induced signal on X-axis or Y-axis because sensor pad 304 is square.
Summary of the invention
Therefore, a purpose of the present invention is to provide a kind of individual layer capacitive touch device.
The invention provides a kind of individual layer capacitive touch device, comprise a contact panel, a plurality of sensor pad, many leads and a control circuit.These a plurality of sensor pads are arranged on this contact panel, and each sensor pad has and X-axis and the uneven edge of Y-axis, and each bar lead is electrically connected at a sensor pad.This control circuit is electrically connected at this many leads, is used for when these a plurality of sensor pads are subjected to touching generation induced signal the position of calculating this touch points according to the intensity of this induced signal.
The present invention also provides a kind of individual layer capacitive touch device, comprises a contact panel, a plurality of triangle sensor pad, many leads and a control circuit.These a plurality of triangle sensor pads are arranged on this contact panel, and one of wherein per four triangle sensor pads row formation is square, these a plurality of triangle sensor pads closely are arranged on this contact panel, and each bar lead is electrically connected at a triangle sensor pad.This control circuit is electrically connected at this many leads, is used for when these a plurality of triangle sensor pads are subjected to touching generation induced signal the position of calculating this touch points according to the intensity of this induced signal.
Description of drawings
Fig. 1 is the sensor pad Organization Chart of the projective capacitive touch-control device of prior art.
Fig. 2 is the synoptic diagram of the individual layer capacitive touch device of prior art.
Fig. 3 is the synoptic diagram of another individual layer capacitive touch device of prior art.
Fig. 4 is the synoptic diagram of first embodiment of capacitive touch device of the present invention.
Fig. 5 is the sectional view of capacitive touch device of the present invention.
Fig. 6 is the synoptic diagram of second embodiment of capacitive touch device of the present invention.
Fig. 7 is the synoptic diagram of the 3rd embodiment of capacitive touch device of the present invention.
[main element symbol description]
100,200,300,400,600,700 contactor control devices
101 X-axis sensor pads
102 Y-axis sensor pads
201 triangle sensor pads
301,401,601,701 contact panels
302,402,602,702 leads
303,403,603,703 control circuits
304,404,604,704 sensor pads
410 display panels
411 optical cements
412 decorating films
413 frameworks
Embodiment
Please refer to Fig. 4, Fig. 4 is the synoptic diagram of first embodiment of capacitive touch device of the present invention.Capacitive touch device 400 comprises contact panel 401 and control circuit 403.Contact panel 401 comprises a plurality of sensor pads 404 and many leads 402.Many lead 402 is electrically connected at a plurality of sensor pads 404 to control circuit 403, and each bar lead 402 is electrically connected at a sensor pad 404.When sensor pad 404 was subjected to touching and produces induced signal, the sensor pad of being touched 404 will be respectively be sent to control circuit 403 via separately lead with induced signal, and control circuit 403 can calculate the position of touch points according to the intensity of induced signal.A plurality of sensor pads 404 and many leads 402 are formed at same conductive layer, conductive layer is formed by transparent conductive material, comprise tin indium oxide (Indium Tin Oxide, ITO), antimony tin (Antimony Tin Oxide, ATO), aluminum zinc oxide (Aluminum Zinc Oxide, AZO) or be selected from the metal oxide group that titanium, zinc, zirconium, antimony, indium, tin, aluminium and silicon etc. are constituted wherein one.In the present embodiment, sensor pad 01～24 be shaped as triangle, and per four triangle sensor pads 402 arrange form one square, for example sensor pad 01,04,05,10 form one square.Therefore, two adjacent sensor pads 402 all more are easy to generate sensing signal in X-axis and Y-axis, can strengthen the touch-control susceptibility of contactor control device 400, and for example sensor pad 01,05 all can produce sensing signal in X-axis and Y-axis.In addition, because 402 one of the arrangement formation of per four triangle sensor pads are square, so a plurality of sensor pad 404 can be arranged on the contact panel 401 more closely.
Please refer to Fig. 5, Fig. 5 is the sectional view of capacitive touch device of the present invention.Capacitive touch device 400 comprises contact panel 401, display panel 410, decorating film 412 and framework 413.Contact panel 401 can be by double faced adhesive tape or optical cement and display panel 410 applyings, and wherein double faced adhesive tape is attached at around contact panel 401 and the display panel 410, and optical cement is comprehensively to coat between contact panel 401 and the display panel 410.Contact panel 401 and display panel 410 are installed in the framework 413, and framework 413 is a transparent materials.Decorating film 412 comprises upper surface, base material and lower surface.The upper surface of decorating film 412 is constituted by the material of transparent acrylic or epoxy resin, and the upper surface of decorating film 412 and framework 413 form a smooth surface.The base material of decorating film 412 is polycarbonate (Poly Carbonate; PC), amorphous cyclisation polyene resin (ARTON), polyethersulfone (PolyetherSulfone; PES), poly-cycloolefin (ZEONOR), tri acetyl cellulose (Tri Acetyl Cellulose; TAC), polyethylene terephthalate (Polyethylene terephthalate; PET) or polymethylmethacrylate (PolyMethyl MethAcrylate, material PMMA) constitutes.The lower surface of decorating film 412 is constituted by the material of transparent acrylic or epoxy resin, and the lower surface of decorating film 412 is bonding on contact panel 401 with optical cement 411.The lower surface of decorating film 412 has decorative pattern, and decorative pattern utilizes methods such as dip-coating, male and fomale(M﹠F) coating, sputter, evaporation, chemical vapor deposition, wire mark or liner printing to form, and decorative pattern also can be multicolour pattern.Because general framework all can be higher than contact panel, thus contact panel around can't be smooth stretch out, cause contact panel around marginal position touch control operation inconvenience.Therefore, contact panel 401 forms smooth surface by decorating film 412 and framework 413, becomes the contactor control device of whole plane, makes contact panel 401 at marginal position all around still operation easily.
Please refer to Fig. 6, Fig. 6 is the synoptic diagram of second embodiment of capacitive touch device of the present invention.Capacitive touch device comprises contact panel 601 and control circuit 603.Contact panel 601 comprises a plurality of sensor pads 604 and many leads 602, when sensor pad 604 is subjected to touching generation induced signal, the sensor pad of being touched 604 will be respectively be sent to control circuit 603 via separately lead with induced signal, and control circuit 603 can calculate the position of touch points according to the intensity of induced signal.In the present embodiment, being shaped as of sensor pad 01～24 is fan-shaped, and per four fan sensor pads 602 are arranged and are formed a circle, for example sensor pad 01,04,05,10 forms a circle, so two adjacent sensor pads 602 all more are easy to generate sensing signal in X-axis and Y-axis, can promote the touch-control susceptibility of contactor control device 600, for example sensor pad 01,05 all can produce sensing signal in X-axis and Y-axis.
Please refer to Fig. 7, Fig. 7 is the synoptic diagram of the 3rd embodiment of capacitive touch device of the present invention.Capacitive touch device comprises contact panel 701 and control circuit 703.Contact panel 701 comprises a plurality of sensor pads 704 and many leads 702, when sensor pad 704 is subjected to touching generation induced signal, the sensor pad of being touched 704 will be respectively be sent to control circuit 703 via separately lead with induced signal, and control circuit 703 can calculate the position of touch points according to the intensity of induced signal.In the present embodiment, sensor pad 01～24 be shaped as rhombus, and per four rhombus sensor pads 702 are arranged and are formed a rhombus, for example sensor pad 01,04,05,10 forms a rhombus, so two adjacent sensor pads 702 all more are easy to generate sensing signal in X-axis and Y-axis, can promote the touch-control susceptibility of contactor control device 700, for example sensor pad 01,05 all can produce sensing signal in X-axis and Y-axis.
In sum, the present invention carries a kind of individual layer capacitive touch device, has better touch-control susceptibility.Capacitive touch device of the present invention comprises a contact panel, a plurality of sensor pad, many leads and a control circuit.Each sensor pad is electrically connected at control circuit via a lead, and sensor pad has and X-axis and the uneven edge of Y-axis, to promote the touch-control susceptibility.In embodiments of the present invention, be example with triangle sensor pad, fan-shaped sensor pad and rhombus sensor pad, wherein per four triangle sensor pads arrange can form one square, sensor pad can be arranged on the contact panel more closely.In addition, capacitive touch device of the present invention also comprises a decorating film and a framework, and this decorating film is bonding on this contact panel with optical cement, forms a flat surfaces with this framework, become the contact panel of whole plane, make capacitive touch device of the present invention be easier to operation.
The above only is preferred embodiment of the present invention, and all equalizations of doing according to claims of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (11)
1. individual layer capacitive touch device comprises:
One contact panel;
A plurality of sensor pads are arranged on this contact panel, and each sensor pad has and X-axis and the uneven edge of Y-axis;
Many leads, each bar lead is electrically connected at a sensor pad; And
One control circuit is electrically connected at this many leads, is used for when these a plurality of sensor pads are subjected to touching generation induced signal the position of calculating this touch points according to the intensity of this induced signal.
2. contactor control device as claimed in claim 1, wherein these a plurality of sensor pads and this many lead systems are formed by transparent conductive material, this transparent conductive material comprises tin indium oxide (Indium Tin Oxide, ITO), antimony tin (Antimony Tin Oxide, ATO), aluminum zinc oxide (Aluminum Zinc Oxide, AZO) or be selected from Shu person wherein in the metal oxide group that titanium, zinc, zirconium, antimony, indium, tin, aluminium and silicon etc. are constituted.
3. contactor control device as claimed in claim 1 also comprises a decorating film and is bonding on this contact panel with optical cement.
4. contactor control device as claimed in claim 3 also comprises a framework, and wherein this decorating film and this framework form a flat surfaces.
5. contactor control device as claimed in claim 1, wherein these a plurality of sensor pads are the triangle sensor pad, and one of per four triangle sensor pads arrangement formation is square.
6. contactor control device as claimed in claim 1, wherein these a plurality of sensor pads are fan-shaped sensor pad, and per four fan-shaped sensor pads are arranged circle of formation.
7. contactor control device as claimed in claim 1, wherein these a plurality of sensor pads are the rhombus sensor pad, and per four rhombus sensor pads are arranged rhombus of formation.
8. individual layer capacitive touch device comprises:
One contact panel;
A plurality of triangle sensor pads are arranged on this contact panel, and one of wherein per four triangle sensor pads row formation is square, and these a plurality of triangle sensor pads closely are arranged on this contact panel;
Many leads, each bar lead is electrically connected at a triangle sensor pad; And
One control circuit is electrically connected at this many leads, is used for when these a plurality of triangle sensor pads are subjected to touching generation induced signal the position of calculating this touch points according to the intensity of this induced signal.
9. contactor control device as claimed in claim 8, wherein these a plurality of triangle sensor pads and this many lead systems are formed by transparent conductive material, this transparent conductive material comprises tin indium oxide (IndiumTin Oxide, ITO), antimony tin (Antimony Tin Oxide, ATO), aluminum zinc oxide (AluminumZinc Oxide, AZO) or be selected from the metal oxide group that titanium, zinc, zirconium, antimony, indium, tin, aluminium and silicon etc. are constituted one of them.
10. contactor control device as claimed in claim 8 also comprises a decorating film, is bonded on this contact panel with optical cement.
11. contactor control device as claimed in claim 10 also comprises a framework, wherein this decorating film and this framework form a flat surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101432593A CN102193697A (en) | 2010-03-18 | 2010-03-18 | Single-layer capacitive touch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101432593A CN102193697A (en) | 2010-03-18 | 2010-03-18 | Single-layer capacitive touch device |
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| CN102193697A true CN102193697A (en) | 2011-09-21 |
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| CN2010101432593A Pending CN102193697A (en) | 2010-03-18 | 2010-03-18 | Single-layer capacitive touch device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103425313A (en) * | 2012-05-18 | 2013-12-04 | 纬创资通股份有限公司 | Touch panel with single substrate and manufacturing method thereof |
| US10781324B2 (en) | 2012-06-22 | 2020-09-22 | C3Nano Inc. | Metal nanostructured networks and transparent conductive material |
| US10870772B2 (en) | 2014-07-31 | 2020-12-22 | C3Nano Inc. | Transparent conductive films with fused networks |
| US11274223B2 (en) | 2013-11-22 | 2022-03-15 | C3 Nano, Inc. | Transparent conductive coatings based on metal nanowires and polymer binders, solution processing thereof, and patterning approaches |
| US11968787B2 (en) | 2012-06-22 | 2024-04-23 | C3 Nano, Inc. | Metal nanowire networks and transparent conductive material |
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| CN1969253A (en) * | 2004-06-03 | 2007-05-23 | 新思公司 | One layer capacitive sensing apparatus having varying width sensing elements |
| CN201035938Y (en) * | 2007-03-20 | 2008-03-12 | 洋华光电股份有限公司 | Improved touch control panel structure |
| US20090128374A1 (en) * | 2007-10-28 | 2009-05-21 | Joseph Kurth Reynolds | Determining actuation of multi-sensor-electrode capacitive buttons |
| WO2009095968A1 (en) * | 2008-01-31 | 2009-08-06 | Nippon Thermostat Co., Ltd. | Mixing faucet |
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Patent Citations (5)
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| CN1969253A (en) * | 2004-06-03 | 2007-05-23 | 新思公司 | One layer capacitive sensing apparatus having varying width sensing elements |
| WO2006066456A1 (en) * | 2004-12-23 | 2006-06-29 | Dong Li | A inductive-switch user interface device and portable terminal thereof |
| CN201035938Y (en) * | 2007-03-20 | 2008-03-12 | 洋华光电股份有限公司 | Improved touch control panel structure |
| US20090128374A1 (en) * | 2007-10-28 | 2009-05-21 | Joseph Kurth Reynolds | Determining actuation of multi-sensor-electrode capacitive buttons |
| WO2009095968A1 (en) * | 2008-01-31 | 2009-08-06 | Nippon Thermostat Co., Ltd. | Mixing faucet |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103425313A (en) * | 2012-05-18 | 2013-12-04 | 纬创资通股份有限公司 | Touch panel with single substrate and manufacturing method thereof |
| CN105760015A (en) * | 2012-05-18 | 2016-07-13 | 纬创资通股份有限公司 | Touch panel with single substrate and manufacturing method thereof |
| CN103425313B (en) * | 2012-05-18 | 2016-09-28 | 纬创资通股份有限公司 | Touch panel with single substrate and manufacturing method thereof |
| US10781324B2 (en) | 2012-06-22 | 2020-09-22 | C3Nano Inc. | Metal nanostructured networks and transparent conductive material |
| US11968787B2 (en) | 2012-06-22 | 2024-04-23 | C3 Nano, Inc. | Metal nanowire networks and transparent conductive material |
| US11274223B2 (en) | 2013-11-22 | 2022-03-15 | C3 Nano, Inc. | Transparent conductive coatings based on metal nanowires and polymer binders, solution processing thereof, and patterning approaches |
| US10870772B2 (en) | 2014-07-31 | 2020-12-22 | C3Nano Inc. | Transparent conductive films with fused networks |
| US11512215B2 (en) | 2014-07-31 | 2022-11-29 | C3 Nano, Inc. | Metal nanowire ink and method for forming conductive film |
| US11814531B2 (en) | 2014-07-31 | 2023-11-14 | C3Nano Inc. | Metal nanowire ink for the formation of transparent conductive films with fused networks |
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| ASS | Succession or assignment of patent right |
Owner name: WEICHUANG ZITONG CO., LTD. Free format text: FORMER OWNER: ETURBO TOUCH TECHNOLOGY INC. Effective date: 20130419 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20130419 Address after: Chinese Taiwan New Taipei City Applicant after: Weichuang Zitong Co., Ltd. Address before: China Taiwan Taoyuan County Applicant before: eTurbo Touch Technology Inc. |
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Application publication date: 20110921 |