CN103970355B - Touch panel and touch device - Google Patents
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- CN103970355B CN103970355B CN201410182953.4A CN201410182953A CN103970355B CN 103970355 B CN103970355 B CN 103970355B CN 201410182953 A CN201410182953 A CN 201410182953A CN 103970355 B CN103970355 B CN 103970355B
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- 230000006698 induction Effects 0.000 claims description 32
- 230000005611 electricity Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 9
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 16
- 238000010586 diagram Methods 0.000 description 4
- 230000010354 integration Effects 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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Abstract
The invention discloses a touch panel and a touch device, wherein the touch panel comprises a touch sensing layer, a first electrode group, a second electrode group and a third electrode group, wherein the touch sensing layer comprises a plurality of touch sensing units which are arranged along a first direction; the first electrode group comprises a plurality of first electrode units arranged along the second direction, each first electrode unit comprises at least two first electrodes, and each first electrode in each first electrode unit is connected with different leads; the second electrode group comprises a plurality of second electrodes which are arranged along a second direction, and each second electrode is respectively connected with different leads; the third electrode group comprises a plurality of third electrode units arranged along the second direction, each third electrode unit comprises at least two third electrodes, each third electrode in each third electrode unit is connected with different leads, and the first direction and the second direction are mutually crossed. The invention has at least one of the following beneficial effects: the number of leads is reduced, the production cost is reduced, and the production yield is improved.
Description
Technical field
The present invention relates to technical field of touch control, more particularly to a kind of touch panel and touching device.
Background technology
Touching device currently becomes more and more popular, and touching device includes touch panel, in actual use, it is found that touch panel is deposited
In following problem：Touch panel lead is too many, and then causes the FPC sizes of binding too big, adds Material Cost and production is difficult
Degree.Client has trivialization at present in addition, and high integration trend, existing FPC sizes are difficult to meet client demand.
The content of the invention
In view of this, the embodiments of the invention provide a kind of touch panel and touching device.
A kind of touch panel provided in an embodiment of the present invention, including touch-control sensing layer, the touch-control sensing layer include multiple
The touch-control sensing unit arranged in the first direction, wherein：
Each touch-control sensing unit includes first electrode group, second electrode group and the 3rd electricity successively in a first direction
Pole group；
The first electrode group is included in multiple first electrode units arranged in a second direction, each first electrode unit
Including at least two first electrodes arranged in a second direction, each first electrode is all connected with not in each first electrode unit
Same lead；
The second electrode group includes the multiple second electrodes arranged in a second direction, and each second electrode is connected respectively
To different leads；
3rd electrode group is included in multiple the 3rd electrode units arranged in a second direction, each 3rd electrode unit
Including at least two the 3rd electrodes arranged in a second direction, each 3rd electrode is all connected with not in each 3rd electrode unit
Same lead；
Wherein, the first direction intersects with the second direction.
Accordingly, the embodiment of the present invention also provides a kind of touching device, including touch panel as described above.
The embodiment of the present invention at least has one of following beneficial effect：
Touch panel provided in an embodiment of the present invention, including touch-control sensing layer, touch-control sensing layer include multiple along the
The touch-control sensing unit of one direction arrangement, each touch-control sensing unit includes first electrode group, second successively in a first direction
Electrode group and the 3rd electrode group, in this way, in the case of panel size identical, can effectively reduce the row of touch-control sensing unit
Number, therefore, touch panel provided in an embodiment of the present invention can reduce touch panel number of leads, reduce FPC sizes, meet visitor
Family end trivialization, the demand of high integration, while reducing production cost, improves production yield.
Brief description of the drawings
Fig. 1 is a kind of externally embedded type capacitance touch display panel overlooking the structure diagram of prior art；
Fig. 2 is a kind of touch panel overlooking the structure diagram provided in an embodiment of the present invention；
Fig. 3 be Fig. 2 in touch-control sensing unit enlarged diagram；
Fig. 4 be Fig. 2 in touch-control sensing unit another enlarged diagram；
Fig. 5 is a kind of touch panel cross-sectional view provided in an embodiment of the present invention.
Embodiment
In real work, research staff has found, as shown in figure 1, the touch-control sensing layer 10 in Fig. 1 is arranged at color membrane substrates 18
On, touch-control sensing layer 10 includes multiple touch-control sensing units 11 arranged in parallel in the horizontal direction, each touch-control sensing list
First 11 in the vertical directions include illustrate only four driving electricity in multiple driving electrodes and an induction electrode 12, Fig. 1 successively
Pole 13,14,15 and 16, wherein, each driving electrodes is connected to flexible PCB by a driving electrodes lead
On (Flexible Printed Circuit, FPC) 17, induction electrode 12 is connected to FPC17 by an induction electrode lead
On.On-cell capacitance touch screens are individual layer multidrop mode, and for single-layer touch screen (Touch Panel, TP), it is laterally driven
Electrode separates into sectional electrode block by vertical induction electrode, therefore the lead of each same node point can not be connected on screen
Together, it is attached by using the gage system of pin to pin, thus there are hundreds of leads to guide on FPC, so
There is the problem of lead is too many in current on-cell capacitance touch screens.
Research staff further study show that, by setting touch-control sensing layer to include multiple arranging in the first direction
Touch-control sensing unit, wherein：Each touch-control sensing unit in a first direction successively include first electrode group, second electrode group and
3rd electrode group, includes setting for first electrode group and second electrode group successively in a first direction relative to touch-control sensing unit
Meter, in the case of panel size identical, can effectively reduce the columns of touch-control sensing unit, draw to reduce touch panel
Line number amount, reduces FPC sizes, and then reduces production cost, improves production yield.It is described in detail below：
As shown in Fig. 2 the specific embodiment of the invention provides a kind of touch panel, the panel 26 includes touch-control sensing layer
20, touch-control sensing layer 20 includes multiple touch-control sensing units 21 arranged in the first direction, wherein：
Each touch-control sensing unit 21 includes first electrode group 22, second electrode group 23 and the 3rd successively in a first direction
Electrode group 24, each touch-control sensing unit 21 is arranged, extended along second direction along a first direction；
As shown in figure 3, first electrode group 22 includes multiple first electrode units 30 arranged in a second direction, each first
Electrode unit 30 includes each first electricity at least two first electrodes arranged in a second direction, each first electrode unit 30
Pole is all connected with different leads；
Second electrode group 23 includes the multiple second electrodes 31 arranged in a second direction, and each second electrode 31 is connected respectively to
Different leads；
3rd electrode group 24 includes multiple the 3rd electrode units 32 arranged in a second direction, each 3rd electrode unit 32
Include each 3rd electrode at least two the 3rd electrodes arranged in a second direction, each 3rd electrode unit 32 to be all connected with not
Same lead；
Wherein, first direction intersects with second direction, generally, first direction and second direction square crossing, still
In other embodiments, first direction can also intersect but out of plumb with second direction, and the embodiment of the present invention is not done any to this
Limitation.
Below by taking capacitance touch display panel as an example, the touch panel of specific embodiment of the invention offer is discussed in detail, needs
It should be noted that the capacitance touch display panel of the present embodiment introduction is only for example, and it is non-limiting, in real work, touch surface
Plate includes but is not limited to be capacitance touch display panel or electromagnetic touch display panel or the integral display panel of electric capacity electromagnetism etc., sheet
Inventive embodiments do not do any limitation to this.
As shown in Fig. 2 the capacitance touch display panel that the specific embodiment of the invention is provided, including array base palte and/or coloured silk
Ilm substrate (not shown), for on-cell capacitance touch display panel, touch-control sensing layer 20 is arranged at outside color membrane substrates
Side is arranged on the outside of array base palte；For in-cell capacitance touch display panel, touch-control sensing layer 20 is arranged at the coloured silk
Ilm substrate inner side is arranged on the inside of array base palte.Touch-control sensing layer is applied in display panel, touch can be reduced aobvious
Show the number of leads of panel, reduce FPC sizes, meet client trivialization, the demand of high integration.Reduction is produced into simultaneously
This, improves production yield.The embodiment of the present invention includes but is not limited to outer hanging panel, on-cell screens and in-cell screens etc..The present invention
First direction and second direction square crossing are set in specific embodiment, and first direction is horizontal direction, and second direction is vertical
Direction, this is only for example and non-limiting, and the embodiment of the present invention is not limited to this, in actual production, first direction and second direction
Intersection, the touch-control sensing layer 20 of the embodiment of the present invention includes multiple touch-control sensing lists arranged in parallel in a first direction
Member 21, each touch-control sensing unit 21 includes first electrode group 22, the electricity of second electrode group 23 and the 3rd successively in the horizontal direction
First electrode group 22 and the distance of second electrode group 23 in the horizontal direction are 1 micron in pole group 24, the specific embodiment of the invention
To 400 microns；The distance of the electrode group 24 of second electrode group 23 and the 3rd in the horizontal direction is 1 micron to 400 microns.
As shown in Figures 2 and 3, the first electrode group 22 in the specific embodiment of the invention includes multiple the in a second direction
One electrode unit 30, each first electrode unit 30 includes each at least two first electrodes, each first electrode unit 30
First electrode is all connected with different leads, it is preferred that the number of first electrode is N in each first electrode unit 30, N is big
In the integer equal to 2, so, when the number of first electrode in each first electrode unit is identical, in virtual electrode design
It is convenient, simple.
Each first electrode group 22 is electrically connected with N root leads, N number of first electrode difference in each first electrode unit 30
Correspond and electrically connect with N roots lead, so, because each first electrode group is electrically connected with N root leads, each first electrode list
N number of first electrode in member is corresponded with N roots lead respectively to be electrically connected, and therefore, the touch panel in the present invention can be reduced
Touch panel number of leads so that convenient, easy in actual production.Preferably, the first electricity in the specific embodiment of the invention
The number of first electrode in pole unit 30 is two, three, four or five, it is necessary to which explanation, the embodiment of the present invention is simultaneously
The number of these first electrodes referred to is not limited to, here, is only situated between in case of the number of first electrode is two
Continue, the touch-control lead of the first electrode connection of odd number order is identical in each first electrode unit 30, the first electricity of even number order
The touch-control lead of pole connection is identical, and the second direction in the specific embodiment of the invention is vertical direction.3rd electrode group 24 is perpendicular
Nogata includes multiple 3rd electrode units 32 upwards, and each 3rd electrode unit 32 includes at least two the 3rd electrodes, each
Each 3rd electrode is all connected with different leads in 3rd electrode unit 32, it is preferred that the 3rd electricity in every one the 3rd electrode unit 32
The quantity of pole is N, and N is the integer more than or equal to 2, and every one the 3rd electrode group 24 is electrically connected with N root leads, every one the 3rd electrode
N number of 3rd electrode in unit 32 is corresponded with N roots lead respectively to be electrically connected.So, due to every one the 3rd electrode group and N roots
Lead is electrically connected, and N number of 3rd electrode in every one the 3rd electrode unit corresponds with N roots lead electrically connect respectively, therefore, this
Touch panel in invention can reduce touch panel number of leads so that convenient, easy in actual production.Preferably, originally
The number of the 3rd electrode in the 3rd electrode unit 32 in invention specific embodiment is two, three, four or five, actual
In production, the present invention is not limited to the number of these the 3rd electrodes referred to, here, only using the number of the 3rd electrode as two
It is introduced exemplified by situation, the touch-control lead of the 3rd electrode connection of odd number order is identical in each 3rd electrode unit 32, even
The touch-control lead of the 3rd electrode connection of sequence is identical for several times.The in the vertical direction of second electrode group 23 includes multiple second electrodes
31, each second electrode 31 is connected respectively to different leads, it is preferable that as shown in figure 4, each second electrode 31 correspondence one the
One electrode unit 30 or the 3rd electrode unit 32 are oppositely arranged, and certainly each second electrode 31 can not also correspond to one first electricity
The electrode unit 32 of pole unit 30 or the 3rd is oppositely arranged, as shown in figure 3, adjacent in first electrode unit 30 adjacent in Fig. 3
The lead of first electrode connection is different, and the lead of the 3rd adjacent electrode connection is different in the 3rd adjacent electrode unit 32.
Electrode in the specific embodiment of the invention in first electrode group is the electrode in induction electrode (Rx), second electrode group
For driving electrodes (Tx), the electrode in the 3rd electrode group is induction electrode (Rx)；Or, the electrode in first electrode group is driving
Electrode in electrode (Tx), second electrode group is that the electrode in induction electrode (Rx), the 3rd electrode group is driving electrodes (Tx).
As shown in Figures 2 and 3, the electrode in the first electrode group in a specific embodiment of the invention is Rx, second
Electrode in electrode group is that the electrode in Tx, the 3rd electrode group is Rx, and the specific embodiment of the invention is with the first induction electrode unit
Exemplified by 30 include two first induction electrodes Rx1 and Rx2, the first induction electrode Rx1 and Rx2 passes through an induction electrode respectively
Lead is connected with the touch control sensing circuit in FPC25.Illustrate only in Fig. 3 five groups of driving electrodes Tx1 in second electrode group,
Tx2, Tx3, Tx4 and Tx5, each driving electrodes Tx1, Tx2, Tx3, Tx4 and Tx5 are respectively by a lead and FPC25
Touch-control scanning circuit is connected.The specific embodiment of the invention includes two the 3rd induction electrodes with the 3rd induction electrode unit 32
Exemplified by Rx3 and Rx4, first direction is horizontal direction, and the 3rd induction electrode Rx3 and Rx4 passes through one bar of induction electrode lead respectively
It is connected with the touch control sensing circuit in FPC25.It is preferred that the first induction electrode is in the horizontal direction in the specific embodiment of the invention
Width and the 3rd induction electrode width in the horizontal direction it is equal, facilitate in actual applications, simple, such as：First sensing
The width of electrode Rx1 and the 3rd induction electrode Rx3 in the horizontal direction is equal.Driving electrodes in the specific embodiment of the invention exist
Width in horizontal direction is twice of the width of the first induction electrode or the 3rd induction electrode in the horizontal direction, actually should
With middle convenience, simple, such as：The width of driving electrodes Tx1 in the horizontal direction is the first induction electrode Rx1 or the 3rd induction electrode
Twice of the width of Rx3 in the horizontal direction.The first induction electrode unit 30 and the 3rd sensing in the specific embodiment of the invention
Electrode unit 32 can be symmetrical arranged, and asymmetric can also be set, and not do specific restriction here.In order to ensure the symmetrical of lead
And the convenience that touch-control figure is set, the first induction electrode in the specific embodiment of the invention in the first induction electrode unit 30
Rx1 lead is drawn from the left side of display panel, and the first induction electrode Rx2 lead is drawn from the right side of display panel；3rd
The lead of the 3rd induction electrode Rx3 in induction electrode unit 32 is drawn from the left side of display panel, the 3rd induction electrode Rx4's
Lead is drawn from the right side of display panel；Driving electrodes Tx1, Tx2, Tx3, Tx4 and Tx5 lead are also respectively from display panel
Arranged on left and right sides is drawn.
The present invention also provides another embodiment, wherein, the electrode in first electrode group is the electricity in Tx, second electrode group
Electrode in extremely Rx (not shown), the 3rd electrode group is Tx.In this case, driving electrodes Tx's and induction electrode Rx is tactile
Control lead design identical with the touch-control lead design of embodiment one, will not be described here, now each Tx can use identical frequency
Driving, can also use different frequency to drive, can equally realize and the identical touch-control effect of embodiment one.
For example：By taking the touch panel of identical size as an example, compare prior art and the lead in the specific embodiment of the invention
Bar number, as shown in table 1.
Table 1
It can see with reference to table 1,2 row Rx share 1 row Tx in the specific embodiment of the invention, form 2 groups of electric capacity, more existing skill
Art 1 arranges the design of the row Tx one group of electric capacity of formation of Rx and 1, it is possible to reduce total columns, such as：Total columns is reduced to 7 from 14 original row
Row.In addition, including multiple first electrode units in the specific embodiment of the invention in first electrode group, so so that a row Tx
Electrode can also realize the touch-control effect of equivalence using less quantity, can further reduce the quantity of touch-control lead.
Preferably, the material of first electrode selects ITO or Nano Silver or CNT in the specific embodiment of the invention；Second
The material selection ITO or Nano Silver or CNT of electrode；The material selection ITO or Nano Silver or CNT of 3rd electrode,
The embodiment of the present invention does not do specific restriction to the material of first electrode, second electrode and the 3rd electrode, such as：First electrode,
The material of second electrode and the 3rd electrode is also an option that graphene.This causes in first electrode, second electrode and the 3rd electrode
It is more convenient, easy during making.
The specific embodiment of the invention additionally provides a kind of touching device (not shown), and the touching device includes as described above
Any one touch panel.The touching device includes but is not limited to show touching device, and the touch display unit includes but do not limited
In liquid crystal display touching device, such as, touch display unit can also be OLED touching devices, not do any limitation here.Such as
Shown in Fig. 5, when the touching device is liquid crystal display touching device, the touch panel includes array base palte 50, color membrane substrates 51
And the liquid crystal layer 52 between array base palte 50 and color membrane substrates 51, the specific embodiment of the invention provide touch panel in
Touch-control sensing layer can be located at color membrane substrates 51 outside or inner side, can also be located at array base palte 50 inner or outer side.
In summary, the touching device of the embodiment of the present invention can effectively reduce the columns of touch-control sensing unit, be used to
Touch panel number of leads is reduced, FPC sizes are reduced, and then reduces production cost, production yield is improved.Meet client simultaneously
Trivialization, the demand of high integration.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (14)
1. a kind of touch panel, including touch-control sensing layer, the touch-control sensing layer include multiple touch-controls arranged in the first direction
Sensing unit, wherein：
Each touch-control sensing unit includes first electrode group, second electrode group and the 3rd electrode successively in a first direction
Group；
The first electrode group includes multiple first electrode units arranged in a second direction, and each first electrode unit includes
Each first electrode is all connected with different at least two first electrodes arranged in a second direction, each first electrode unit
Lead；
The second electrode group includes the multiple second electrodes arranged in a second direction, and each second electrode is connected respectively to not
Same lead；
3rd electrode group includes multiple the 3rd electrode units arranged in a second direction, and each 3rd electrode unit includes
Each 3rd electrode is all connected with different at least two the 3rd electrodes arranged in a second direction, each 3rd electrode unit
Lead；
Wherein, each first electrode is all connected with different leads from each 3rd electrode；The first direction and described the
Two directions intersect.
2. touch panel according to claim 1, it is characterised in that the panel also includes array base palte and/or color film
Substrate, the touch-control sensing layer is arranged on the outside of the color membrane substrates or inner side, or is arranged on the inside of the array base palte or outer
Side.
3. touch panel according to claim 1, it is characterised in that first electrode in each first electrode unit
Number is N, and N is the integer more than or equal to 2.
4. touch panel according to claim 3, it is characterised in that each first electrode group is electrically connected with N root leads
Connect, N number of first electrode in each first electrode unit corresponds with N roots lead electrically connect respectively.
5. touch panel according to claim 4, it is characterised in that of the first electrode in the first electrode unit
Number is two, three, four or five.
6. touch panel according to claim 1, it is characterised in that one first electrode of each second electrode correspondence
Unit or the 3rd electrode unit are oppositely arranged.
7. touch panel according to claim 1, it is characterised in that the 3rd electrode in every one the 3rd electrode unit
Quantity is N, and N is the integer more than or equal to 2.
8. touch panel according to claim 7, it is characterised in that every one the 3rd electrode group is electrically connected with N root leads
Connect, N number of 3rd electrode in every one the 3rd electrode unit corresponds with N roots lead electrically connect respectively.
9. touch panel according to claim 8, it is characterised in that of the 3rd electrode in the 3rd electrode unit
Number is two, three, four or five.
10. touch panel according to claim 1, it is characterised in that the electrode in the first electrode group is induced electricity
Electrode in pole, the second electrode group is that the electrode in driving electrodes, the 3rd electrode group is induction electrode；Or, institute
The electrode in first electrode group is stated for driving electrodes, the electrode in the second electrode group is induction electrode, the 3rd electrode
Electrode in group is driving electrodes.
11. touch panel according to claim 1, it is characterised in that the width of the first electrode in a first direction
It is equal with the width of the 3rd electrode in a first direction.
12. touch panel according to claim 1, it is characterised in that the width of the second electrode in a first direction
It is twice of the width of the first electrode or the 3rd electrode in a first direction.
13. touch panel according to claim 1, it is characterised in that the material of the first electrode is ITO or Nano Silver
Or CNT；The material of the second electrode is ITO or Nano Silver or CNT；The material of 3rd electrode is ITO
Or Nano Silver or CNT.
14. a kind of touching device, it is characterised in that described device includes the touch surface described in any claims of claim 1-13
Plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410182953.4A CN103970355B (en) | 2014-04-30 | 2014-04-30 | Touch panel and touch device |
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| CN201410182953.4A CN103970355B (en) | 2014-04-30 | 2014-04-30 | Touch panel and touch device |
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| CN103970355A CN103970355A (en) | 2014-08-06 |
| CN103970355B true CN103970355B (en) | 2017-10-27 |
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105630258B (en) * | 2014-11-07 | 2018-10-09 | 敦泰科技有限公司 | Single layer mutual capacitance type touch screen and touch device and electronic device |
| CN104391615B (en) * | 2014-11-20 | 2018-12-18 | 上海天马微电子有限公司 | Touch layer, touch panel, touch device, display panel and display device |
| CN104536617B (en) * | 2015-01-14 | 2017-09-08 | 信利光电股份有限公司 | A kind of electrode pattern of touch panel sensor and the preparation method of array element |
| CN104679344A (en) * | 2015-03-27 | 2015-06-03 | 合肥京东方光电科技有限公司 | Touch panel and display device |
| CN104765499A (en) * | 2015-04-15 | 2015-07-08 | 合肥京东方光电科技有限公司 | Touch screen and touch device |
| CN104793825B (en) * | 2015-04-30 | 2018-04-20 | 京东方科技集团股份有限公司 | A kind of touch input equipment and touch display device |
| CN104965628B (en) * | 2015-07-17 | 2018-03-23 | 合肥京东方光电科技有限公司 | Capacitance type touch control substrate and touching display screen |
| CN105094487B (en) * | 2015-08-13 | 2018-10-30 | 京东方科技集团股份有限公司 | Touch screen and its control method, control device, touch display unit |
| CN105183262B (en) * | 2015-10-13 | 2019-02-26 | 昆山龙腾光电有限公司 | A kind of capacitance type touch-control panel |
| TWI633469B (en) * | 2016-08-12 | 2018-08-21 | 鴻海精密工業股份有限公司 | On-cell touch display apparatus |
| CN107390914A (en) * | 2017-06-13 | 2017-11-24 | 深圳欧菲光科技股份有限公司 | Contact panel and display device |
| CN113168249A (en) * | 2018-12-19 | 2021-07-23 | 深圳市柔宇科技股份有限公司 | Touch panel, touch device, and touch detection method |
| KR102256700B1 (en) * | 2019-03-26 | 2021-05-27 | 주식회사 하이딥 | Touch sensor panel |
| CN112631460A (en) * | 2020-12-29 | 2021-04-09 | 北京奕斯伟计算技术有限公司 | Touch substrate, touch display panel and touch display device |
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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 |
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| TWI401590B (en) * | 2009-06-25 | 2013-07-11 | Htc Corp | Touch panel with unbalanced conductive patterns, and touch apparatus and method for determining multi-touch thereof |
| US20110048813A1 (en) * | 2009-09-03 | 2011-03-03 | Esat Yilmaz | Two-dimensional position sensor |
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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 |
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