CN101561738A - One-dimensional contact point positioning method of capacitive touch screen/board and capacitive touch screen/board - Google Patents
One-dimensional contact point positioning method of capacitive touch screen/board and capacitive touch screen/board Download PDFInfo
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- CN101561738A CN101561738A CNA2009101469010A CN200910146901A CN101561738A CN 101561738 A CN101561738 A CN 101561738A CN A2009101469010 A CNA2009101469010 A CN A2009101469010A CN 200910146901 A CN200910146901 A CN 200910146901A CN 101561738 A CN101561738 A CN 101561738A
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- touch screen
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Abstract
The invention discloses a one-dimensional contact point positioning method of a capacitive touch screen/board and the capacitive touch screen/board. The one-dimensional contact point positioning method of the capacitive touch screen/board comprises the following steps: a single-layer ITO circuit is arranged on a base material, and each ITO line of the ITO circuit has determinate capacitance value and forms a figure with alternate crossing arrangement but no electrical connection; and when a finger touches the screen/board, a touch-control IC firstly determines the position of a touch point at the direction of Y axis according to whether the capacitance value of a plurality of ITO lines touched by the finger changes and then determines the position of the touch point at the direction of X axis according to the ratio of the capacitance value of each line to the total capacitance value of the ITO lines determined when the finger touches the screen/board. In the invention, the capacitive touch screen/board is changed from the traditional double-layer ITO circuit positioning into the single-layer ITO circuit positioning, thus not only greatly reducing material consumption, but also simplifying production process and reducing production cost simultaneously, and being beneficial to the large-scale promotion and application of the capacitive touch screen/board.
Description
Technical field:
The present invention relates to capacitance touch screen/touchpad technology field, especially relate to the contact field of locating technology of capacitance touch screen and touch pad.
Background technology:
Capacitance touch screen/touch pad is to utilize the induction by current of human body to carry out work, and its base material of traditional capacitance touch screen is provided with X/Y two-layer ITO (transparent conductive material) circuit up and down.Its principle of work is the change amount by the contact capacitance value that detects bilevel XY axle, determines the position of XY direction of principal axis finger touch respectively after handling via touch-control IC, and then points the point coordinate of touch point on definite touch-screen/touch pad.
Because existing capacitance touch screen/touch pad need be provided with X/Y two-layer ITO (transparent conductive material) circuit up and down, manufacturing process is many, the production cost height, price is expensive more than the electric resistance touch screen of current extensive application, is unfavorable for applying of capacitive touch screen/touch pad.
Summary of the invention:
The objective of the invention is to the weak point that exists at prior art and a kind of one dimension contact positioning method of capacitance touch screen/plate and the capacitance touch screen/plate of location, corresponding one dimension contact are provided, it has the advantages that manufacturing process is few, production cost is low.
For achieving the above object, the one dimension contact positioning method of capacitance touch screen/plate of the present invention is that individual layer ITO circuit is set on base material, and each root ITO line of ITO circuit has definite capacitance, and forms mutual arranged crosswise, but the figure that is not electrical connected; When the finger touch display screen, whether touch-control IC changes according to the electric capacity total value of pointing many ITO lines that contact is at first determined the position of touch point in Y direction, the total capacitance value ratio of the ITO line of determining when afterwards, accounting for finger touch according to the capacitance of every line is determined the position of touch point on X-direction.
The capacitance touch screen of location, one dimension of the present invention contact includes base material, metal level, touch-control IC, wherein, described base material is provided with the ITO circuit of individual layer, each root ITO line of ITO circuit has definite capacitance, and forms mutual arranged crosswise, but the figure that is not electrical connected.
The figure that described ITO line forms is W shape, rectangle or triangle or triangle but one of them angle is the irregular figure of circular arc, or trapezoidal.
Described base material is glass or film.
Beneficial effect of the present invention is: it makes capacitance touch screen/touch pad into individual layer ITO line location by traditional double-deck ITO line location, not only significantly reduced material consumption, also simplified simultaneously production process, it is suitable with resistive touch screen/plate to make that the production cost of capacitance touch screen/plate is reduced to, and helps the large-scale promotion application of capacitance touch screen/plate.
Description of drawings:
The present invention is further illustrated below in conjunction with accompanying drawing:
Accompanying drawing 1 is a capacitance touch screen decomposing schematic representation of the present invention;
Accompanying drawing 2 is one of ITO conspectus of capacitance touch screen of the present invention;
Accompanying drawing 3 is one of ITO conspectus of capacitance touch screen of the present invention;
Accompanying drawing 4 is one of ITO conspectus of capacitance touch screen of the present invention.
Embodiment:
The following stated only is preferred embodiment of the present invention, does not therefore limit protection scope of the present invention.
The one dimension contact positioning method of capacitance touch screen/plate of the present invention is that individual layer ITO circuit is set on base material, and each root ITO line of ITO circuit has definite capacitance, and forms mutual arranged crosswise, but the figure that is not electrical connected; When the finger touch display screen, whether touch-control IC changes according to the electric capacity total value of pointing many ITO lines that contact is at first determined the position of touch point in Y direction, afterwards, the total capacitance value ratio that accounts for the ITO line that finger touch determines according to the capacitance of every line is determined the position of touch point on X-direction.
Accompanying drawing 1 is depicted as the capacitance touch screen of location, one dimension contact, and it includes base material 10, metal level 20, touch-control IC30 and optical lens gelatin (OCA) 40, glass screen 50; Wherein, base material 10 is glass (GLASS) or film (FILM), and it is provided with the ITO circuit 60 of individual layer, and each root ITO line of ITO circuit 60 has definite capacitance, and forms mutual arranged crosswise, but the figure that is not electrical connected.
See shown in Figure 2: each root ITO line forms a plurality of mutual arranged crosswise but the figure of the unconnected W shape of electric property (A1～A4 and B1～B4); ITO line shown in Figure 3 forms a plurality of rectangular pattern (A1～A4 and B1～B4); ITO line shown in Figure 4 forms a plurality of triangular pattern (A1～A4, and B1～B4, C1～C4, D1～D4).
The ITO circuit that people's finger touch arrives generally all three between the six roots of sensation, existing center line with finger touch point illustrates the principle of work of determining the touch point center of gravity by two ITO lines:
During finger touch, what at first determine is touch point position on the Y direction, and this position is whether touch-control IC changes to determine according to the capacitance on two ITO lines; The position of Y direction utilizes these two ITO lines to determine the position that touches on the X-axis after determining again; The electric capacity total value of two ITO line generations is C when supposing finger touch
A+B, no matter touch any position of these two lines, its electric capacity total value C
A+BAll be a fixed value, along with the difference of finger two ITO line positions of touch on X-axis, that change is two capacitance C on the ITO line
A, C
B, touch-control IC30 accounts for total capacitance value C according to the capacitance of two ITO lines
A+BRatio determine the centre of gravity place of finger touch in the contact of X-direction, thereby can the touch by fixed XY axle determine the XY coordinate of contact together.
Need to prove: principle of the present invention is applicable to all capacitance touch location.
Claims (5)
1. the one dimension contact positioning method of capacitance touch screen/plate, it is characterized in that: it is that individual layer ITO circuit is set on base material, each root ITO line of ITO circuit has definite capacitance, and forms mutual arranged crosswise, but the figure that is not electrical connected; When finger touch, whether touch-control IC changes according to the electric capacity total value of pointing many ITO lines that contact is at first determined the position of touch point in Y direction; The total capacitance value ratio of the ITO line of determining when afterwards, accounting for finger touch according to the capacitance of every line is determined the position of touch point on X-direction.
2. the one dimension contact positioning method of capacitance touch screen/plate according to claim 1, it is characterized in that: the figure that described ITO line forms is W shape, rectangle or triangle or triangle but one of them angle is the irregular figure of circular arc, or trapezoidal.
3. capacitance touch screen/the plate of one dimension contact location, include base material, metal level, touch-control IC, it is characterized in that: described base material is provided with the ITO circuit of individual layer, and each root ITO line of ITO circuit has definite capacitance, and form mutual arranged crosswise, but the figure that is not electrical connected.
4. capacitance touch screen/the plate of location, one dimension according to claim 3 contact, it is characterized in that: the figure that described ITO line forms is W shape, rectangle or triangle or triangle but one of them angle is the irregular figure of circular arc, or trapezoidal.
5. capacitance touch screen/the plate of location, one dimension according to claim 4 contact, it is characterized in that: described base material is glass or film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101469010A CN101561738A (en) | 2009-06-05 | 2009-06-05 | One-dimensional contact point positioning method of capacitive touch screen/board and capacitive touch screen/board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101469010A CN101561738A (en) | 2009-06-05 | 2009-06-05 | One-dimensional contact point positioning method of capacitive touch screen/board and capacitive touch screen/board |
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| CN101561738A true CN101561738A (en) | 2009-10-21 |
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| CNA2009101469010A Pending CN101561738A (en) | 2009-06-05 | 2009-06-05 | One-dimensional contact point positioning method of capacitive touch screen/board and capacitive touch screen/board |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101923419A (en) * | 2010-04-20 | 2010-12-22 | 敦泰科技有限公司 | Self-capacitance touch screen with one-dimensional electrodes and coordinate data processing method thereof |
| CN101976162A (en) * | 2010-08-13 | 2011-02-16 | 苏州瀚瑞微电子有限公司 | Monolayer wiring method of capacitive touch screen |
| CN102331892A (en) * | 2011-06-24 | 2012-01-25 | 苏州瀚瑞微电子有限公司 | Capacitive touch screen |
| CN102331891A (en) * | 2011-06-24 | 2012-01-25 | 苏州瀚瑞微电子有限公司 | Capacitive touch screen |
| CN102331875A (en) * | 2011-06-24 | 2012-01-25 | 苏州瀚瑞微电子有限公司 | Single-layered ITO (indium tin oxide) wiring structure |
| CN102331876A (en) * | 2011-06-24 | 2012-01-25 | 苏州瀚瑞微电子有限公司 | Wiring structure with single layer indium tin oxide (ITO) |
| CN102339182A (en) * | 2011-06-24 | 2012-02-01 | 苏州瀚瑞微电子有限公司 | Single layer indium tin oxide (ITO) wiring structure |
| CN102339181A (en) * | 2011-06-24 | 2012-02-01 | 苏州瀚瑞微电子有限公司 | Capacitive touch screen |
| CN102339180A (en) * | 2011-06-24 | 2012-02-01 | 苏州瀚瑞微电子有限公司 | Touch plate inductor |
| CN102339161A (en) * | 2011-06-24 | 2012-02-01 | 苏州瀚瑞微电子有限公司 | Single layer indium tin oxide (ITO) wiring structure |
| CN102339183A (en) * | 2011-06-24 | 2012-02-01 | 苏州瀚瑞微电子有限公司 | Capacitance type touch screen |
| CN102520820A (en) * | 2011-11-25 | 2012-06-27 | 苏州瀚瑞微电子有限公司 | Wiring structure of single-layer ITO (indium tin oxide) |
| CN102591543A (en) * | 2012-02-09 | 2012-07-18 | 深圳市宝明科技股份有限公司 | Non-overlapping integrated capacitive touch screen and fabrication method thereof |
| CN102955634A (en) * | 2012-10-12 | 2013-03-06 | 华映视讯（吴江）有限公司 | Touch panel and driving method thereof |
| CN103116432A (en) * | 2013-03-04 | 2013-05-22 | 惠州Tcl移动通信有限公司 | Three-dimensional operating control method and device of touch screen and mobile terminal thereof |
| CN103345343A (en) * | 2013-06-27 | 2013-10-09 | 深圳市汇顶科技股份有限公司 | Capacitive two-dimensional touch sensor with single-layer wire arrangement |
| CN103885653A (en) * | 2012-12-21 | 2014-06-25 | 苏州市健邦触摸屏技术有限公司 | Panel binding type capacitive touch screen and manufacturing and mounting method thereof |
| CN113608639A (en) * | 2021-08-19 | 2021-11-05 | 东莞明轩技术有限公司 | Three-dimensional touch signal induction module, three-dimensional touch panel and three-dimensional touch method |
-
2009
- 2009-06-05 CN CNA2009101469010A patent/CN101561738A/en active Pending
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101923419A (en) * | 2010-04-20 | 2010-12-22 | 敦泰科技有限公司 | Self-capacitance touch screen with one-dimensional electrodes and coordinate data processing method thereof |
| CN101976162A (en) * | 2010-08-13 | 2011-02-16 | 苏州瀚瑞微电子有限公司 | Monolayer wiring method of capacitive touch screen |
| CN102339183A (en) * | 2011-06-24 | 2012-02-01 | 苏州瀚瑞微电子有限公司 | Capacitance type touch screen |
| CN102331891A (en) * | 2011-06-24 | 2012-01-25 | 苏州瀚瑞微电子有限公司 | Capacitive touch screen |
| CN102331875A (en) * | 2011-06-24 | 2012-01-25 | 苏州瀚瑞微电子有限公司 | Single-layered ITO (indium tin oxide) wiring structure |
| CN102331876A (en) * | 2011-06-24 | 2012-01-25 | 苏州瀚瑞微电子有限公司 | Wiring structure with single layer indium tin oxide (ITO) |
| CN102339182A (en) * | 2011-06-24 | 2012-02-01 | 苏州瀚瑞微电子有限公司 | Single layer indium tin oxide (ITO) wiring structure |
| CN102339181A (en) * | 2011-06-24 | 2012-02-01 | 苏州瀚瑞微电子有限公司 | Capacitive touch screen |
| CN102339180A (en) * | 2011-06-24 | 2012-02-01 | 苏州瀚瑞微电子有限公司 | Touch plate inductor |
| CN102339161A (en) * | 2011-06-24 | 2012-02-01 | 苏州瀚瑞微电子有限公司 | Single layer indium tin oxide (ITO) wiring structure |
| CN102331892A (en) * | 2011-06-24 | 2012-01-25 | 苏州瀚瑞微电子有限公司 | Capacitive touch screen |
| CN102520820A (en) * | 2011-11-25 | 2012-06-27 | 苏州瀚瑞微电子有限公司 | Wiring structure of single-layer ITO (indium tin oxide) |
| CN102591543A (en) * | 2012-02-09 | 2012-07-18 | 深圳市宝明科技股份有限公司 | Non-overlapping integrated capacitive touch screen and fabrication method thereof |
| CN102955634A (en) * | 2012-10-12 | 2013-03-06 | 华映视讯（吴江）有限公司 | Touch panel and driving method thereof |
| CN103885653A (en) * | 2012-12-21 | 2014-06-25 | 苏州市健邦触摸屏技术有限公司 | Panel binding type capacitive touch screen and manufacturing and mounting method thereof |
| CN103116432A (en) * | 2013-03-04 | 2013-05-22 | 惠州Tcl移动通信有限公司 | Three-dimensional operating control method and device of touch screen and mobile terminal thereof |
| CN103116432B (en) * | 2013-03-04 | 2016-08-31 | 惠州Tcl移动通信有限公司 | Three-dimensional manipulating control method, device and the mobile terminal thereof of a kind of touch-screen |
| CN103345343A (en) * | 2013-06-27 | 2013-10-09 | 深圳市汇顶科技股份有限公司 | Capacitive two-dimensional touch sensor with single-layer wire arrangement |
| CN103345343B (en) * | 2013-06-27 | 2016-09-07 | 深圳市汇顶科技股份有限公司 | A kind of condenser type two-dimensional touch sensors of individual layer wiring |
| CN113608639A (en) * | 2021-08-19 | 2021-11-05 | 东莞明轩技术有限公司 | Three-dimensional touch signal induction module, three-dimensional touch panel and three-dimensional touch method |
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Open date: 20091021 |