CN108897464A - Touch device, touch control display apparatus and method - Google Patents
Touch device, touch control display apparatus and method Download PDFInfo
- Publication number
- CN108897464A CN108897464A CN201810960564.8A CN201810960564A CN108897464A CN 108897464 A CN108897464 A CN 108897464A CN 201810960564 A CN201810960564 A CN 201810960564A CN 108897464 A CN108897464 A CN 108897464A
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- electrode
- touch
- touch device
- dentalation
- substrate
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Classifications
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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
-
- 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
- G06F2203/04104—Multi-touch detection in digitiser, i.e. details about the simultaneous detection of a plurality of touching locations, e.g. multiple fingers or pen and finger
Abstract
This application discloses a kind of touch devices, it is intended to improve round or circular touch screen touch effect, increase the practicality, while realizing simplified modular structure, reduce the purpose of cost.Touch device includes：Substrate；Multiple electrodes on the substrate and insulated from each other separate；A plurality of leads is electrically connected with the multiple electrode；Wherein, at least one side edge of the electrode includes dentalation and the dentalation of the electrode adjacent at least one matches, and keeps the electrode edge spacing to match identical, and the multiple electrode is located at same conductive layer.
Description
Technical field
The present invention relates to technical field of touch control, more particularly, to a kind of round or circular ring shape touch device and method.
Background technique
With the development of touch screen technology, capacitive touch screen as human-computer interaction interface, be more and more widely used in
On various types of electronic equipments such as mobile phone, tablet computer.And in recent years since especially wearable devices such as smartwatch, intelligence
The development in the fields such as energy household, it is also more and more diversified to the surface structure demand of touch screen, so that touch screen is no longer limited to mesh
Preceding common rectangular interfaces.Round even circular ring shape because it more meets the organoleptic requirements of wearable device and smart home device, after
Continue and might have bigger application demand in the field.Currently, for circular touch screen more using single layer self-capacitance
Scheme or the double-deck mutual capacitance scheme.
Single layer self-capacitance scheme forms the fan of multiple identical circumference array as shown in Figure 1, on circular display area
Shape pattern touch electrode 1, to realize single layer self-capacitance touch function, but the program is only able to achieve single-point touch operation, and linear
Degree and precision are poor.
The double-deck mutual capacitance scheme forms double-deck conductive layer as shown in Fig. 2, on circular display area to realize mutual tolerance
Touch function, top layer are lateral induction pattern 2, and bottom is vertical driving pattern 3, this scheme can realize multi-point touch, line
Property degree and precision effect are preferable, but technical requirements and higher cost.
It is covered with fan-shaped touch control electrode in border circular areas, and each touch control electrode is drawn with conducting wire, there are the linearities and essence
Poor is spent, and can only support single-point touch；Using the double-deck mutual tolerance scheme as shown in Figure 2, the above problem can be improved, still
There are problems that the cost is relatively high, in the case where nowadays touch-control market is more and more sensitive to cost, needs a kind of cost
It is lower, and it is able to achieve the scheme of preferable performance.
Summary of the invention
The object of the present invention is to provide a kind of capacitive touch screen, touch device and methods, it is intended to improve round or annulus
The touch effect of shape touch screen increases the practicality, while realizing simplified modular structure, reduces cost.
On the one hand, the present invention provides a kind of touch device, which is characterized in that including:
Substrate；
Multiple electrodes on the substrate and insulated from each other separate；
A plurality of leads is electrically connected with the multiple electrode；
Wherein, at least one side edge of the electrode includes dentalation and the tooth of the electrode adjacent at least one
Shape structure matches, and keeps the electrode edge spacing to match identical.
Preferably, the multiple electrode is located at same conductive layer.
Preferably, the multiple electrode includes first electrode and second electrode, the first electrode and the second electrode
Between there is the dentalation that is mutually matched.
Preferably, the substrate is round or circular ring shape.
Preferably, the first electrode and second electrode grouping are arranged, and the outer profile of every group of electrode is shape phase
With sector, the arrangement of multi-group electrode circumference array is centrosymmetric, and spacing having the same between each group electrode, spacing side is the
One electrode, the other side are second electrode, and organizing the interior first electrode side adjacent with second electrode is the dentalation being mutually matched.
It preferably, include a second electrode and a first electrode in every group of electrode, opposite side is in phase
Mutual matched dentalation, the other side is straight line.
Preferably, the first electrode includes multiple sub-electrodes insulated from each other separated, and the multiple sub-electrode is radially
Arrangement, the part with the same side dentalation of the second electrode matches respectively, the overall profile of the multiple sub-electrode
It is identical as the first electrode.
Preferably, the first electrode and the second electrode are the sector that two sides have dentalation, and described first
The dentalation of electrode side and the dentalation of the second electrode side match, the first electrode and second electricity
Pole alternates circumferentially array.
Preferably, the first electrode includes multiple sub-electrodes insulated from each other separated, the sub-electrode at least side with
The side of the second electrode matches.
Preferably, each sub-electrode extends at least partially into the substrate edges.
Preferably, the dentalation of the electrode includes at least one of triangle, rectangle, trapezoidal, waveform.
Preferably, the electrode is in pectination.
Preferably, the material of the multiple electrode and a plurality of leads include ITO, graphene, in nano silver at least
It is a kind of.
Preferably, the manufacture craft of the multiple electrode includes at least one of dry etching, wet etching, photoetching.
According to another aspect of the present invention, the present invention also provides a kind of touch control display apparatus, including touch-control as described above
Device and the display panel below the touch device.
Preferably, the display panel and the touch device are round or arc-shaped.
In accordance with a further aspect of the present invention, the present invention also provides a kind of touch control methods of above-mentioned touch device, including：
Apply inductive signal to the multiple electrode respectively, makes between at least one side of the electrode and adjacent electrode
Form mutual capacitance；
When finger touches or stylus is above electrode, the mutual capacitance between the multi-electrode accordingly changes；
Capacitance change by the electrode near detected touch point position before touch, when touching, by being calculated
The coordinate position of touch point.
Touch device, touch control display apparatus and method provided in an embodiment of the present invention realize single layer wiring on substrate
Mutual capacitance type touch-control sensing, multiple electrodes are evenly distributed on round or circular ring shape conductive layer, and at least portion between multiple electrodes
Split-phase adjacent side has dentalation, each other occlusion matching.Further, the substrate can be also round or circular ring shape, can
Substrate size and user's required precision are adapted to by adjusting the size and number of electrode, and the touch control method is simple and reliable.
The present invention provides touch device and touch control display apparatus its multiple electrodes are respectively positioned on same conductive layer, number of leads compared with
Few, precision is higher, practical.The touch device modular structure is simple, and production cost is low, and has stronger anti-interference energy
Power, also support multi-point touch effect.The patterned electrodes including single layer in the touch device, preparation is simple, technical maturity
Reliably, yields is high, and production cost is low.And the present invention can also be by advanced optimizing electrode pattern, to the touch device
The linearity and precision do further promotion, to meet user demand.
Detailed description of the invention
By referring to the drawings to the description of the embodiment of the present invention, above-mentioned and other purposes of the invention, feature and
Advantage will be apparent from.
Fig. 1 shows the single layer self-capacitance scheme schematic diagram of circular screen in the prior art.
Fig. 2 shows the double-deck mutual capacitance scheme schematic diagrames of circular screen in the prior art.
Fig. 3 shows the schematic diagram of first embodiment of the invention first electrode.
Fig. 4 shows the schematic diagram of first embodiment of the invention touch device.
Fig. 5 a and Figure 5b shows that first embodiment of the invention touch device carry out touch control operation schematic diagram.
Fig. 6 a and Fig. 6 b respectively illustrate the schematic diagram of second and third embodiments of the present invention.
Fig. 7 shows the touch control operation schematic diagram of third embodiment of the invention.
Fig. 8 shows the schematic diagram of the touch device of fourth embodiment of the invention.
Fig. 9 shows the schematic diagram that fourth embodiment of the invention touch device carries out touch control operation.
Figure 10 a and Figure 10 b respectively illustrate the schematic diagram of the present invention the 5th and sixth embodiment.
Figure 11 shows the schematic diagram of seventh embodiment of the invention.
Figure 12 and Figure 13 respectively illustrates the schematic diagram of the other two kinds of embodiments of the present invention.
Specific embodiment
Hereinafter reference will be made to the drawings, and the present invention will be described in more detail.In various figures, identical element is using similar attached
Icon is remembered to indicate.For the sake of clarity, the various pieces in attached drawing are not necessarily to scale.Furthermore, it is possible to be not shown certain
Well known part.
It should be appreciated that when describing the structure of touch device, when being known as being located at another layer, another for one layer, a region
When a region " above " or " top ", can refer to above another layer, another region, or its with another layer,
Also comprising other layers or region between another region.
If will use " directly exist ... herein to describe located immediately at another layer, another region above scenario
Above " or " ... abut above and therewith " form of presentation.
In this application, many specific details of the invention, such as the structure of electrode, material, size, processing are described
Technique and technology, to be more clearly understood that the present invention.But it just as the skilled person will understand, can not
The present invention is realized according to these specific details.
The present invention can be presented in a variety of manners, some of them example explained below.
Fig. 3 shows the schematic diagram of first electrode in first embodiment of the invention, and the first electrode 1100 is first real
One in the identical first electrode of multiple shapes in example is applied, outer profile is fan-shaped, and one side has dentalation 11, institute
Stating dentalation 11 is approximately rectangular teeth, and another side is straight line, makes the first electrode 1100 in pectination.The second electrode
1200 is similar with 1100 shape of first electrode, the dentalation 12 of the second electrode 1200 and the first electrode 1100
11 phase of dentalation occlusion, formed mutual capacitance.
Fig. 4 shows the schematic diagram of first embodiment of the invention touch device, and the touch device includes substrate 100, more
A electrode and a plurality of leads, the substrate 100 are, for example, circle, and the multiple electrode is located on the substrate 100 and each other
Insulation separates, and a plurality of leads is electrically connected with the multiple electrode in the substrate edges, at least a side of the electrode
Edge includes dentalation and the dentalation of the electrode adjacent at least one matches, and makes between the electrode edge to match
Away from identical.The number of electrodes of the multiple electrode can be adjusted according to accuracy requirement.Wherein the multiple electrode is located at same
One conductive layer, the multiple electrode include first electrode 1100 and second electrode 1200, in diagram by taking 16 electrodes as an example, wherein
Including 8 first electrode 1100 and 8 second electrodes 1200, label has been carried out according to its position on the substrate 100 respectively, the
One electrode 1100 includes first electrode 110,210,310,410,510,610,710,810, and second electrode 1200 includes the second electricity
Pole 120,220,320,420,520,620,720,820.The first electrode 1100 is arranged with the second electrode 1200 grouping,
Each first electrode 1100 has a second electrode 1200 matched, 8 groups is divided into figure, first electrode 110 and
Two electrodes 120 are one group, and first electrode 210 and second electrode 220 are one group, and so on.The outer profile of every group of electrode is
The identical sector of shape, first electrode 1100 and 1200 alternate circumferential array arrangement of second electrode, what is be centrosymmetric is covered with base
Plate 100, and spacing having the same between each electrode.First electrode 110 in the group side adjacent with second electrode 120 is mutual
The dentalation matched, the side adjacent with second electrode 820 of first electrode 110 is straight line, i.e. electrode group is adjacent with electrode group
While being straight line.
Fig. 5 a shows the schematic diagram that first embodiment of the invention touch device carries out single-point touch operation, and electrode is in figure
Central symmetry, and be in periodic distribution.When actually carrying out touch control operation, the position that finger (or stylus etc.) touches is substantially
101,102 and 103 these three situations can be divided into, the coordinate position of touch point 101 can be according to first electrode 110 and second electrode
Capacitance variations before 120 touch and when touching are calculated；Before the coordinate position of touch point 102 can be touched according to all electrodes
It is calculated with capacitance variations when touching；The coordinate position of touch point 103 can be according to second electrode 720 and first electrode 810
Capacitance variations before touching and when touching are calculated.
On this basis, it can also be achieved multi-touch function, as shown in Figure 5 b, when 104,105,106 3 points of touch point is same
When touching, 3 points of coordinate can synchronize judgement in the following manner and obtain：
Capacitor before the coordinate position of touch point 104 can be touched according to first electrode 110 and second electrode 120 and when touching
Variation is calculated.
Capacitor before the coordinate position of touch point 105 can be touched according to first electrode 410 and second electrode 420 and when touching
Variation is calculated.
Capacitor before the coordinate position of touch point 106 can be touched according to first electrode 710 and second electrode 720 and when touching
Variation is calculated.
Further, can also be according to actual use situation, design can be accomplished to support the touch of more points on this basis
It is required that.
Of course, the electrode pattern in first embodiment of the invention touch device is only simple example, practical application
When need the performance according to required by circular diameter and client, the usage quantity in interelectrode gap (i.e. channel) is carried out
Assessment, so that channel size and touch point size are adapted.
Fig. 6 a shows the schematic diagram of the second embodiment of the present invention, to the touch-control on the basis of first embodiment
Precision on the circumferencial direction of device is advanced optimized, and the area for reducing each electrode (reduces the circle of sector electrode
The angle at heart angle), make the electrode that there are more more dense circles to be circumferentially arranged on the substrate 100, to have more electricity
The gap of interpolar increases number of gaps, and then improves the precision of the touch device in a circumferential direction.
Fig. 6 b shows the schematic diagram of the third embodiment of the present invention, to the touch-control on the basis of first embodiment
Device precision in the radial direction is advanced optimized, by be located at the substrate 100 on each first electrode divide in order to
Multiple sub-electrodes.By taking first electrode 110 as an example, the first electrode 110 is divided for 3 sub-electrodes, the first electricity in diagram
Pole 110 includes the first sub-electrode 111, second sub electrode 112 and third sub-electrode 113, and three sub-electrodes are radially arranged, respectively
Match with the part of the same side dentalation of the second electrode 120, the overall profile of three sub-electrodes with it is described
First electrode 120 is identical, and each sub-electrode has the edge for extending at least partially into the substrate 100 in order to connect with lead
It connects.
Fig. 7 shows the touch control operation schematic diagram of third embodiment of the invention, when actually carrying out touch control operation, works as finger
The position that (or stylus etc.) touches is 107,108 and 109 these three situations, and the coordinate position of touch point 107 can be according to the
Capacitance variations before one sub-electrode 111 and second electrode 120 touch and when touching are calculated.108 coordinate position of touch point can
Capacitance variations before being touched according to second sub electrode 112 and second electrode 120 and when touching are calculated.109 coordinate of touch point
Capacitance variations before position can be touched according to third sub-electrode 113 and second electrode 120 and when touching are calculated.Remaining touching
A coordinate position is touched with reference to Fig. 5 a and Fig. 5 b, then this is repeated no more.
Of course, groups of sector electrode region is increased to 12 and single in second embodiment and 3rd embodiment
Fan section first electrode is divided into 3 sub-electrodes only as enumerating, and actual quantity needs to be determined according to specific demand.
Fig. 8 shows the schematic diagram of the touch device of fourth embodiment of the invention, and the left and right sides of single electrode is equal in figure
It for dentalation, and is mutually engaged with adjacent electrode, electrode includes first electrode and second electrode, first electrode in same figure
Replace with second electrode and along the circumferential direction arrange, similar with above-mentioned electrode pattern, first electrode is led between each other with second electrode
It crosses class rectangle to be mutually twisted, forms mutual capacitance.
Similarly, when the touch device of fourth embodiment of the invention carries out touch control operation, finger (or stylus etc.)
The position of touch is broadly divided into as shown in Figure 9 201,202,203,204 these four situations, the coordinate position of touch point 201
Capacitance variations before being touched according to second electrode 120, first electrode 110 and first electrode 410 and when touching are calculated.Touching
The capacitor that a little 202 coordinate positions are touched when can touch preceding and touch according to first electrode 110, second electrode 120 and second electrode 220
Variation is calculated.Before 203 coordinate position of touch point can be touched according to first electrode 410 and second electrode 420 and when touching
Capacitance variations are calculated.Capacitance variations when before 204 coordinate position of touch point can be touched according to all electrodes and touching calculate
It obtains.
Likewise, can also further be optimized on the basis of fourth embodiment of the invention, optimal way is similar to
Fig. 6 a and Fig. 6 b, details are not described herein, and fifth embodiment of the invention and sixth embodiment are formed after optimization, specific such as Figure 10 a, figure
Shown in 10b.
Figure 11 shows the schematic diagram of seventh embodiment of the invention, on the basis of first embodiment of the invention, in institute
The center point for stating touch device cuts out circle 200, forms circular touch area, it is preferable that the lead of the electrode can be from
The outer edge region of the circle 200 or the touch device is electrically connected with the electrode.
Further, figure engaged between the first electrode and the second electrode, in addition to above-described embodiment
In class rectangle figure outside, can be also remaining dentalation, such as triangle, Figure 12 and Figure 13 are triangular teeth structure
Two kinds of embodiment schematic diagrams, the acquisition of specific touch point coordinate position is similar to the above embodiments, repeats no more.
Of course, on the basis of above-mentioned touch device, corresponding display panel can be also added thereunder, form touch-control
Display device, to meet touch-control and display demand simultaneously.
The present invention provides a kind of round or circular ring shape single layer mutual capacitance touch scheme, the identical structure and principle the case where
Under, the dentalation of used electrode is not limited to above-mentioned rectangle and triangle, or trapezoidal, waveform or other are polygon
Shape.Electrode and lead are conductive material in the present invention, for example, ITO, graphene, nano silver etc., the shape example of the electrode
For example formed by techniques such as dry etching, wet etching or photoetching.The TP structural example of touch control display apparatus provided by the invention
For example OGS, G+F, G+G etc.；
Touch device, touch control display apparatus and method provided in an embodiment of the present invention realize single layer wiring on substrate
Mutual capacitance type touch-control sensing, multiple electrodes are evenly distributed on round or circular ring shape conductive layer, and at least portion between multiple electrodes
Split-phase adjacent side has dentalation, each other occlusion matching.Further, the substrate can be also round or circular ring shape, can
Substrate size and user's required precision are adapted to by adjusting the size and number of electrode, and the touch control method is simple and reliable.
The present invention provides touch device and touch control display apparatus its multiple electrodes are respectively positioned on same conductive layer, number of leads compared with
Few, precision is higher, practical.The touch device modular structure is simple, and production cost is low, and has stronger anti-interference energy
Power, also support multi-point touch effect.The patterned electrodes including single layer in the touch device, preparation is simple, technical maturity
Reliably, yields is high, and production cost is low.And the present invention can also be by advanced optimizing electrode pattern, to the touch device
The linearity and precision do further promotion, to meet user's further need.
In the above description, the technical details such as composition, the etching of each electrode are not described in detail.But
It is it will be appreciated by those skilled in the art that can be by various technological means, come layer, the region etc. for forming required shape.In addition,
In order to form same structure, those skilled in the art be can be devised by and process as described above not fully identical side
Method.In addition, although respectively describing each embodiment above, but it is not intended that the measure in each embodiment cannot have
It is used in combination sharply.
The embodiment of the present invention is described above.But the purpose that these embodiments are merely to illustrate that, and
It is not intended to limit the scope of the invention.The scope of the present invention is limited by appended claims and its equivalent.This hair is not departed from
Bright range, those skilled in the art can make a variety of alternatives and modifications, these alternatives and modifications should all fall in of the invention
Within the scope of.
Claims (16)
1. a kind of touch device, which is characterized in that including：
Substrate；
Multiple electrodes on the substrate and insulated from each other separate；
A plurality of leads is electrically connected with the multiple electrode；
Wherein, at least one side edge of the electrode includes dentalation and the dentation knot of the electrode adjacent at least one
Structure matches, and keeps the electrode edge spacing to match identical.
2. touch device according to claim 1, wherein the multiple electrode is located at same conductive layer.
3. touch device according to claim 1, wherein the multiple electrode includes first electrode and second electrode, institute
Stating has the dentalation being mutually matched between first electrode and the second electrode.
4. touch device according to claim 3, wherein the substrate is round or circular ring shape.
5. touch device according to claim 4, wherein the first electrode and second electrode grouping are arranged, often
The outer profile of group electrode is the identical sector of shape, and the arrangement of multi-group electrode circumference array is centrosymmetric, has between each group electrode
There is identical spacing, spacing side is first electrode, and the other side is second electrode, and it is adjacent with second electrode to organize interior first electrode
While being the dentalation being mutually matched.
6. touch device according to claim 5, wherein include a second electrode and one the in every group of electrode
One electrode, opposite side are in the dentalation being mutually matched, and the other side is straight line.
7. touch device according to claim 6, wherein the first electrode includes multiple son electricity insulated from each other separated
Pole, the multiple sub-electrode are radially arranged, and the part with the same side dentalation of the second electrode matches respectively, institute
The overall profile for stating multiple sub-electrodes is identical as the first electrode.
8. touch device according to claim 4, wherein the first electrode is that two sides have with the second electrode
The sector of dentalation, the dentalation of the first electrode side and the dentalation of the second electrode side match,
The first electrode and the second electrode alternate circumferentially array.
9. touch device according to claim 8, wherein the first electrode includes multiple son electricity insulated from each other separated
Pole, the sub-electrode at least side and the side of the second electrode match.
10. the touch device according to claim 7 or 9, wherein each first sub-electrode extends at least partially into institute
State substrate edges.
11. touch device according to claim 1, wherein the dentalation of the electrode includes triangle, rectangle, ladder
At least one of shape, waveform.
12. touch device according to claim 11, wherein the electrode is in pectination.
13. touch device according to claim 1, wherein the material of the multiple electrode and a plurality of leads includes
At least one of ITO, graphene, nano silver.
14. touch device according to claim 1, wherein the manufacture craft of the multiple electrode includes dry etching, wet
At least one of method etching, photoetching.
15. a kind of touch control display apparatus, which is characterized in that including:
Touch device as described in claim 1-14,
Display panel is located at below the touch device.
16. a kind of touch control method for such as described in any item touch devices of claim 1-14, which is characterized in that including：
Apply inductive signal to the multiple electrode respectively, makes to be formed between at least one side of the electrode and adjacent electrode
Mutual capacitance；
When finger touches or stylus is above electrode, the mutual capacitance between the multi-electrode accordingly changes；
Capacitance change by the electrode near detected touch point position before touch, when touching is touched by being calculated
The coordinate position of point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810960564.8A CN108897464A (en) | 2018-08-22 | 2018-08-22 | Touch device, touch control display apparatus and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810960564.8A CN108897464A (en) | 2018-08-22 | 2018-08-22 | Touch device, touch control display apparatus and method |
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| CN103246422A (en) * | 2013-05-21 | 2013-08-14 | 敦泰科技有限公司 | Touch screen device and touch screen thereof |
| CN103677468A (en) * | 2013-11-20 | 2014-03-26 | 敦泰科技有限公司 | Single-layer capacitive touch screen, corresponding touch control device, method and electronic device |
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| CN206292748U (en) * | 2016-08-29 | 2017-06-30 | 贵州晟华科技有限公司 | A kind of touch electrode structure, contact panel and touch control display apparatus |
| CN107515698A (en) * | 2017-09-11 | 2017-12-26 | 友达光电（苏州）有限公司 | Contact panel |
| CN208985136U (en) * | 2018-08-22 | 2019-06-14 | 北京集创北方科技股份有限公司 | Touch device, touch control display apparatus |
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- 2018-08-22 CN CN201810960564.8A patent/CN108897464A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103246422A (en) * | 2013-05-21 | 2013-08-14 | 敦泰科技有限公司 | Touch screen device and touch screen thereof |
| CN103677468A (en) * | 2013-11-20 | 2014-03-26 | 敦泰科技有限公司 | Single-layer capacitive touch screen, corresponding touch control device, method and electronic device |
| CN206292748U (en) * | 2016-08-29 | 2017-06-30 | 贵州晟华科技有限公司 | A kind of touch electrode structure, contact panel and touch control display apparatus |
| CN106445232A (en) * | 2016-09-22 | 2017-02-22 | 厦门天马微电子有限公司 | Touch display panel, touch display device and driving method |
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