CN105786284A - Touch control electrode structure and touch screen - Google Patents
Touch control electrode structure and touch screen Download PDFInfo
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- CN105786284A CN105786284A CN201610140368.7A CN201610140368A CN105786284A CN 105786284 A CN105786284 A CN 105786284A CN 201610140368 A CN201610140368 A CN 201610140368A CN 105786284 A CN105786284 A CN 105786284A
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- touch control
- control electrode
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- electrode
- electrode structure
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04112—Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material
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- General Engineering & Computer Science (AREA)
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- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Abstract
The invention discloses a touch control electrode structure which comprises multiple touch control electrode units.Each touch control electrode unit comprises a first touch control electrode and multiple second touch control electrodes, and the first touch control electrode and the second touch control electrodes are arranged on the same layer; the second touch control electrodes are arranged around the first touch control electrodes, at least one second touch control electrode is arranged between the first touch control electrodes of the adjacent touch control electrode units in a spaced mode, the first touch control electrodes are used for sending touch control excitation signals, and the second touch control electrodes are used for responding to the touch control excitation signals to generate touch control detection signals.In this way, the touch control electrode structure has the advantages of being simple in structure, low in manufacturing cost and the like.
Description
Technical field
The present invention relates to Display Technique field, particularly relate to a kind of touch electrode structure and touch screen.
Background technology
Touch screen is widely used in the electronic equipment such as mobile phone, Pad, Notebook, and touch screen can be divided into the types such as resistance-type, condenser type and infrared optics formula.In numerous touch technologies, most widely used with capacitance touching control, capacitance touching control is divided into again self-tolerant touch-control and mutual capacitance type touch-control two ways, owing to mutual capacitance type touch-control can realize multi-point touch, thus becomes the trend of the main flow on touch screen market and future development.
The touch-control structure of touch electrode structure many employings rectangular of current touch screen, multiple touch control electrode are arranged in a crossed manner according to horizontal and vertical mode, it is necessary to realized by different conductive layers, need to arrange insulating barrier between conductive layer and conductive layer, and structure is complicated.
Summary of the invention
It is an object of the invention to provide a kind of touch electrode structure and touch screen, there is the advantages such as simple in construction, cost of manufacture are low.
For achieving the above object, the technical scheme that the present invention adopts is: provide a kind of touch electrode structure, and including multiple touch control electrode unit, each of which touch control electrode unit includes one first touch control electrode and multiple second touch control electrode that same layer is arranged；
Second touch control electrode arranges around the first touch control electrode, at least one, interval the second touch control electrode between first touch control electrode of adjacent touch control electrode unit, first touch control electrode is used for launching touch-control pumping signal, and the second touch control electrode is used for responding touch-control pumping signal and generates touch control detection signal.
Wherein, the first touch control electrode and multiple second touch control electrode be shaped as polygon.
Wherein, multiple second touch control electrode form nine grids structure around the first touch control electrode.
Wherein, first touch control electrode and multiple second touch control electrode be shaped as tetragon, multiple second touch control electrode include four the second touch control electrode being disposed adjacent with the first touch control electrode opposite side and four additional the second touch control electrode being disposed adjacent with the first touch control electrode diagonal angle.
Wherein, at least one second touch control electrode of adjacent touch control electrode units shared.
Wherein, between the first touch control electrode of adjacent touch control electrode unit at least between next but two the second touch control electrode.
Wherein, touch electrode structure farther includes the first holding wire being connected respectively and the secondary signal line being connected with the second touch control electrode respectively with the first touch control electrode, first holding wire is used for inputting touch-control pumping signal, and secondary signal line is used for exporting touch control detection signal.
Wherein, the tranmitting frequency of the touch-control pumping signal of the first touch control electrode of adjacent touch control electrode unit is different.
Wherein, the launch time of the touch-control pumping signal of the first touch control electrode of adjacent touch control electrode unit is different.
For achieving the above object, another technical solution used in the present invention is: provide a kind of touch screen, including above-described touch electrode structure.
The invention has the beneficial effects as follows: be different from the situation of prior art, the present invention provides a kind of touch electrode structure, and including multiple touch control electrode unit, each of which touch control electrode unit includes one first touch control electrode and multiple second touch control electrode that same layer is arranged；Second touch control electrode arranges around the first touch control electrode, at least one, interval the second touch control electrode between first touch control electrode of adjacent touch control electrode unit, first touch control electrode is used for launching touch-control pumping signal, and the second touch control electrode is used for responding touch-control pumping signal and generates touch control detection signal.In this way, the present invention arranges multiple touch control electrode unit at same layer, each touch control electrode unit includes the first touch control electrode for launching touch-control pumping signal and multiple the second touch control electrode generating touch control detection signal for responding touch-control pumping signal, and the touch electrode structure that multiple touch control electrode unit are formed has the advantages such as simple in construction, cost of manufacture are low.
Accompanying drawing explanation
Fig. 1 is the structural representation of touch electrode structure embodiment one of the present invention；
Fig. 2 is the frequency distribution schematic diagram of touch electrode structure embodiment one of the present invention；
Fig. 3 is the frequency/strength relationship schematic diagram of touch electrode structure embodiment one of the present invention；
Fig. 4 is the time/frequency relation schematic diagram of touch electrode structure embodiment one of the present invention；
Fig. 5 is the structural representation of touch electrode structure embodiment two of the present invention；
Fig. 6 is the structural representation of touch electrode structure embodiment three of the present invention；
Fig. 7 is the structural representation of touch electrode structure embodiment four of the present invention.
Detailed description of the invention
For making those skilled in the art be more fully understood that technical scheme, below in conjunction with the drawings and specific embodiments, a kind of touch electrode structure provided by the present invention and touch screen are described in further detail.
Consulting Fig. 1, touch electrode structure embodiment one of the present invention, including multiple touch control electrode unit 11, each of which touch control electrode unit 11 includes one first touch control electrode 101 and multiple second touch control electrode 102 that same layer is arranged；
Second touch control electrode 102 arranges around the first touch control electrode 101, at least one, interval the second touch control electrode 102 between first touch control electrode 101 of adjacent touch control electrode unit 11, first touch control electrode 101 is used for launching touch-control pumping signal, and the second touch control electrode 102 is used for responding touch-control pumping signal and generates touch control detection signal.
Specifically, the first touch control electrode 101 launches touch-control pumping signal with predetermined tranmitting frequency, and the second touch control electrode 102 responds touch-control pumping signal and generates touch control detection signal, and touch control detection signal processes detection signal to respond then through subsequent conditioning circuit.When hands or felt pen press touch screen, owing to the electric capacity between corresponding position of touch the first touch control electrode 101 and the second touch control electrode 102 changes, and then the capacitance variations reflected by touch control detection signal detects position of touch.During multi-point touch, due to interval the second touch control electrode 102 between the first adjacent touch control electrode 101, the capacitance variations of the capacitance variations between the first touch control electrode 101 and multiple second touch control electrode 102 and adjacent touch electrode unit 11 is not easy generation and interferes, two-dimentional capacitance variations data according to touch screen can calculate the coordinate of each touch point more accurately, thus improving the touch sensitivity of system.
In the present embodiment one, touch screen the first touch control electrode 101 and multiple second touch control electrode 102 be shaped as polygon, it is chosen as tetragon, wherein, multiple second touch control electrode 102 include four the second touch control electrode 102 being disposed adjacent with the first touch control electrode 101 opposite side and four additional the second touch control electrode 102 being disposed adjacent with the first touch control electrode 101 diagonal angle, therefore, each touch control electrode unit 11 includes first touch control electrode 101 and eight the second touch control electrode 102, and eight the second touch control electrode 102 form nine grids structure around the first touch control electrode 101.
It should be noted that, development along with intelligence science and technology, intelligence wearable device increasingly obtains the favor of consumer, such as, wrist-watch, Google's glasses, bracelet etc., these smart machines nearly all need touch-control performance, the shape of these smart machine touch screens is also not limited to common rectangle, and adopt the various shape such as circle, octagon, therefore, the shape of corresponding first touch control electrode and multiple second touch control electrode is not limited with polygon, can be circle, arc etc., can practical requirement be as the criterion；
It is electrically insulated between first touch control electrode 101 and the second touch control electrode 102, multiple second touch control electrode 102 arrange around the first touch control electrode 101, owing to the shape of the first touch control electrode 101 with multiple second touch control electrode 102 is not fixed, number around the second touch control electrode 102 of the first touch control electrode 101 does not also limit, therefore, the pattern of arrangement is not also fixed, can practical requirement be as the criterion.
In the present embodiment one, between first touch control electrode 101 of adjacent touch control electrode unit 11 at least between next but two the second touch control electrode 102, referring again to Fig. 1, 3 the second touch control electrode 102 in broken box 14 are adjacent with 3 the second touch control electrode 102 in broken box 15, can make during work 3 the second touch control electrode 102 in broken box 14 respond its place touch control electrode unit 11 first touch control electrode 101 launch touch-control pumping signal, 3 the second touch control electrode 102 in broken box 15 respond the touch-control pumping signal that the first touch control electrode 101 of the touch control electrode unit 11 at its place is launched, it does not interfere with each other each other.
In the present embodiment one, touch electrode structure farther includes the first holding wire 12 being connected respectively and the secondary signal line 13 being connected with the second touch control electrode 102 respectively with the first touch control electrode 101, first holding wire 12 is connected with the circuit board on touch screen respectively with secondary signal line 13 again and responds, first holding wire 12 is used for inputting touch-control pumping signal, and secondary signal line 13 is used for exporting touch control detection signal.The arrangement of the first holding wire 12 and secondary signal line 13 is not necessarily parallel wiring, is only schematic shown in Fig. 1, and concrete connected mode is not set forth at this.
In order to improve the capacity of resisting disturbance between touch control electrode further, the tranmitting frequency that can make the touch-control pumping signal of the first touch control electrode 101 of adjacent touch control electrode unit 11 is different, as shown in Figure 2, histogram for touch electrode structure shown in Fig. 1, the touch control electrode unit 11 of Fig. 1 is expanded by Fig. 2, and whole touch electrode structure comprises 20 touch control electrode unit 11, has 3 kinds different tranmitting frequency F1, F2, F3, the emissive porwer of F1, F2, F3 is identical, as shown in Figure 3.
In Fig. 3, the frequency of the first touch control electrode that the frequency of the first centrally located touch control electrode is adjacent with 4, its periphery all differs, and the tranmitting frequency of touch-control pumping signal is optional 2 kinds, 4 kinds or more different tranmitting frequency as required.
In other embodiments, in order to improve the capacity of resisting disturbance between touch control electrode further, also the launch time that can make the touch-control pumping signal of the first touch control electrode 101 of adjacent touch control electrode unit 11 is different, as shown in Figure 4, initial launch time T1, T2, T3 of multiple first touch control electrode 101 set gradually certain time delay, and the optional tranmitting frequency making multiple first touch control electrode 101 is identical.When hands or felt pen press touch screen, capacitance variations between first touch control electrode 101 and second touch control electrode 102 of corresponding position of touch also can postpone, therefore, position of touch can be detected by the capacitance variations postponed, it does not interfere with each other between touch control detection signal, the confirmation making touch point coordinate is more accurate, and sensitivity is higher.
As it is shown in figure 5, touch electrode structure embodiment two of the present invention, including multiple touch control electrode unit 21, each of which touch control electrode unit 21 includes one first touch control electrode 201 and multiple second touch control electrode 202 that same layer is arranged；
Second touch control electrode 202 arranges around the first touch control electrode 201, at least one, interval the second touch control electrode 202 between first touch control electrode 201 of adjacent touch control electrode unit 21, first touch control electrode 201 is used for launching touch-control pumping signal, and the second touch control electrode 102 is used for responding touch-control pumping signal and generates touch control detection signal.
In the present embodiment two, first touch control electrode 201 and multiple second touch control electrode 202 be shaped as tetragon, wherein, multiple second touch control electrode 202 include four the second touch control electrode 202 being disposed adjacent with the first touch control electrode 201 opposite side and four additional the second touch control electrode 202 being disposed adjacent with the first touch control electrode 201 diagonal angle, therefore, each touch control electrode unit 21 includes first touch control electrode 201 and eight the second touch control electrode 202, and eight the second touch control electrode 202 form nine grids structure around the first touch control electrode 201.
Adjacent touch control electrode unit 21 is optional shares at least one second touch control electrode 202, in Fig. 4 shown in broken box 22, the touch control electrode unit 21 that 3 the second touch control electrode 202 in broken box 22 are adjacent is common, and the touch-control pumping signal that the first touch control electrode 201 that these 3 the second touch control electrode 102 can respond adjacent touch control electrode unit 21 respectively is launched can be made during work to generate touch control detection signal.
As shown in Figure 6, touch electrode structure embodiment three of the present invention, including multiple touch control electrode unit 31, each of which touch control electrode unit 31 includes one first touch control electrode 301 and multiple second touch control electrode 302 that same layer is arranged；
Second touch control electrode 302 arranges around the first touch control electrode 301, at least one, interval the second touch control electrode 302 between first touch control electrode 301 of adjacent touch control electrode unit 31, first touch control electrode 301 is used for launching touch-control pumping signal, and the second touch control electrode 302 is used for responding touch-control pumping signal and generates touch control detection signal.
In the present embodiment three, first touch control electrode 301 and multiple second touch control electrode 302 be shaped as polygon, first touch control electrode 301 be shaped as rectangle, being shaped as of second touch control electrode 302 is trapezoidal, 4 the second touch control electrode 302 arrange around the first touch control electrode 301,2, interval the second touch control electrode 302 between the first touch control electrode 301 of adjacent touch control electrode unit 21 correspondence.
As it is shown in fig. 7, touch electrode structure embodiment four of the present invention, including multiple touch control electrode unit 41, each of which touch control electrode unit 41 includes one first touch control electrode 401 and multiple second touch control electrode 402 that same layer is arranged；
Second touch control electrode 402 arranges around the first touch control electrode 401, at least one, interval the second touch control electrode 402 between first touch control electrode 401 of adjacent touch control electrode unit 41, first touch control electrode 401 is used for launching touch-control pumping signal, and the second touch control electrode 402 is used for responding touch-control pumping signal and generates touch control detection signal.
The touch electrode structure of the present embodiment four is designed for irregular touch screen, first touch control electrode 401 and multiple second touch control electrode 402 be shaped as polygon, first touch control electrode 401 be shaped as hexagon, being shaped as of second touch control electrode 402 is trapezoidal, 6 the second touch control electrode 402 arrange around the first touch control electrode 401,2, interval the second touch control electrode 402 between adjacent first touch control electrode 401.
The present invention also provides for the embodiment of a kind of touch screen, and including the touch electrode structure of any embodiment as above, touch electrode structure of the present invention can be applicable to planar touch screen, it is possible to is applied to curved touch screen etc., it is possible to obtain good touch-control effect.
The present invention describes a kind of touch electrode structure and touch screen in detail by above-mentioned five embodiments, and touch electrode structure includes multiple touch control electrode unit, and each of which touch control electrode unit includes one first touch control electrode and multiple second touch control electrode that same layer is arranged；Second touch control electrode arranges around the first touch control electrode, at least one, interval the second touch control electrode between first touch control electrode of adjacent touch control electrode unit, first touch control electrode is used for launching touch-control pumping signal, and the second touch control electrode is used for responding touch-control pumping signal and generates touch control detection signal.In this way, the present invention arranges multiple touch control electrode unit at same layer, each touch control electrode unit includes the first touch control electrode for launching touch-control pumping signal and multiple the second touch control electrode generating touch control detection signal for responding touch-control pumping signal, and the touch electrode structure that multiple touch control electrode unit are formed has the advantages such as simple in construction, cost of manufacture are low.
The foregoing is only embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the present invention and accompanying drawing content to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all in like manner include in the scope of patent protection of the present invention.
Claims (10)
1. a touch electrode structure, it is characterised in that
Described touch electrode structure includes multiple touch control electrode unit, and touch control electrode unit described in each of which includes one first touch control electrode and multiple second touch control electrode that same layer is arranged；
Described second touch control electrode arranges around described first touch control electrode, at least described second touch control electrode in one, interval between described first touch control electrode of adjacent described touch control electrode unit, described first touch control electrode is used for launching touch-control pumping signal, and described second touch control electrode is used for responding described touch-control pumping signal and generates touch control detection signal.
2. touch electrode structure according to claim 1, it is characterised in that
Described first touch control electrode and the plurality of second touch control electrode be shaped as polygon.
3. touch electrode structure according to claim 1, it is characterised in that
The plurality of second touch control electrode forms nine grids structure around described first touch control electrode.
4. touch electrode structure according to claim 3, it is characterised in that
Described first touch control electrode and the plurality of second touch control electrode be shaped as tetragon, the plurality of second touch control electrode includes the second touch control electrode described in four described second touch control electrode being disposed adjacent with described first touch control electrode opposite side and the four additional that is disposed adjacent with described first touch control electrode diagonal angle.
5. touch electrode structure according to claim 1, it is characterised in that
At least one described second touch control electrode of adjacent described touch control electrode units shared.
6. touch electrode structure according to claim 1, it is characterised in that
Between described first touch control electrode of adjacent described touch control electrode unit at least between the second touch control electrode described in next but two.
7. touch electrode structure according to claim 1, it is characterised in that
Described touch electrode structure farther includes the first holding wire being connected respectively and the secondary signal line being connected with described second touch control electrode respectively with described first touch control electrode, described first holding wire is used for inputting described touch-control pumping signal, and described secondary signal line is used for exporting described touch control detection signal.
8. touch electrode structure according to claim 1, it is characterised in that
The tranmitting frequency of the described touch-control pumping signal of described first touch control electrode of adjacent described touch control electrode unit is different.
9. touch electrode structure according to claim 1, it is characterised in that
The launch time of the described touch-control pumping signal of described first touch control electrode of adjacent described touch control electrode unit is different.
10. a touch screen, including the touch electrode structure as described in any one of claim 1-9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610140368.7A CN105786284A (en) | 2016-03-11 | 2016-03-11 | Touch control electrode structure and touch screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610140368.7A CN105786284A (en) | 2016-03-11 | 2016-03-11 | Touch control electrode structure and touch screen |
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| CN105786284A true CN105786284A (en) | 2016-07-20 |
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| CN201610140368.7A Pending CN105786284A (en) | 2016-03-11 | 2016-03-11 | Touch control electrode structure and touch screen |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019024660A1 (en) * | 2017-07-31 | 2019-02-07 | Oppo广东移动通信有限公司 | Array substrate, self-capacitance touch-control display panel, and electronic device |
| CN109521593A (en) * | 2018-12-25 | 2019-03-26 | 厦门天马微电子有限公司 | Display panel and display device |
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| US20130277091A1 (en) * | 2012-04-24 | 2013-10-24 | Novatek Microelectronics Corp. | Electrode structure of capacitive touch panel |
| CN104461158A (en) * | 2014-12-26 | 2015-03-25 | 合肥鑫晟光电科技有限公司 | Touch panel and display device |
| KR101509354B1 (en) * | 2013-12-12 | 2015-04-07 | 대성전기공업 주식회사 | Capacitance type touch sensor and method for detecting noise of the same |
| CN104793823A (en) * | 2015-04-21 | 2015-07-22 | 深圳市华星光电技术有限公司 | Mutual-capacitance touch display panel and touch detection method thereof |
| CN104820532A (en) * | 2015-05-08 | 2015-08-05 | 厦门天马微电子有限公司 | Touch device, driving method thereof, and liquid crystal display panel |
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2016
- 2016-03-11 CN CN201610140368.7A patent/CN105786284A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130277091A1 (en) * | 2012-04-24 | 2013-10-24 | Novatek Microelectronics Corp. | Electrode structure of capacitive touch panel |
| KR101509354B1 (en) * | 2013-12-12 | 2015-04-07 | 대성전기공업 주식회사 | Capacitance type touch sensor and method for detecting noise of the same |
| CN104461158A (en) * | 2014-12-26 | 2015-03-25 | 合肥鑫晟光电科技有限公司 | Touch panel and display device |
| CN104793823A (en) * | 2015-04-21 | 2015-07-22 | 深圳市华星光电技术有限公司 | Mutual-capacitance touch display panel and touch detection method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019024660A1 (en) * | 2017-07-31 | 2019-02-07 | Oppo广东移动通信有限公司 | Array substrate, self-capacitance touch-control display panel, and electronic device |
| CN109521593A (en) * | 2018-12-25 | 2019-03-26 | 厦门天马微电子有限公司 | Display panel and display device |
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