CN102467303A - Capacitive touch panel - Google Patents
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- CN102467303A CN102467303A CN2010105377843A CN201010537784A CN102467303A CN 102467303 A CN102467303 A CN 102467303A CN 2010105377843 A CN2010105377843 A CN 2010105377843A CN 201010537784 A CN201010537784 A CN 201010537784A CN 102467303 A CN102467303 A CN 102467303A
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Abstract
The invention discloses a capacitive touch panel, which comprises a substrate, a plurality of first electrode arrays and a plurality of second electrode arrays, wherein the first electrode arrays are arranged on the substrate; a plurality of first electrodes of each first electrode array are extended along a first direction, and the hollowed areas of the plurality of first electrodes are varied along the first direction; the second electrode arrays are arranged on the substrate; and a plurality of second electrodes of each second electrode array are extended along a second direction, and the hollowed areas of the plurality of second electrodes are varied along the second direction.
Description
Technical field
The present invention relates to a kind of contact panel, and be particularly related to a kind of capacitance type touch-control panel.
Background technology
Fast development and application along with infotech, radio mobile communication and information household appliances; Carrying convenience, volume are lightly changed and purpose user-friendly for operation in order to reach; Many information products change into and use contact panel (Touch Panel) as input media by input medias such as traditional keyboard or mouses.At present, but contact panel mainly sub-resistance formula, condenser type, sound wave type, optical profile type etc.In addition, in the prior art, shaft staggered formula (Axis Intersect) capacitance type touch-control panel has the problem of mirror point (Ghost point) when detecting 2 touchings.
TaiWan, China patent publication No. 200842681 has disclosed a kind of capacitance type touch-control panel; U.S. Patent Publication 20100013745 has disclosed a kind of organic light-emitting display device with surface capacitance type contact panel function, yet above-mentioned patent does not disclose the means that solve mirror point problem.The means of multiple solution mirror point problem have been disclosed in the patents such as TaiWan, China patent publication No. 201015411,200915159, TaiWan, China patent announcement M368849 and U.S. Patent Publication 20080150906; Wherein U.S. Patent Publication 20080150906 is for increasing the axial of induction, and TaiWan, China patent publication No. 201015411,200915159 and TaiWan, China patent announcement M368849 then are through revising the shape and the size of induction electrode.
Summary of the invention
The present invention proposes a kind of capacitance type touch-control panel, the mirror point that is produced in the time of can eliminating a plurality of touch point.
Other purpose of the present invention and advantage can further be understood from the technical characterictic that the present invention disclosed.
For reaching one of above-mentioned or partly or entirely purpose or other purpose, one embodiment of the invention provide a kind of capacitance type touch-control panel, comprise substrate, a plurality of first electrodes series and a plurality of second electrodes series.First electrodes series is disposed on the substrate.A plurality of first electrodes of each first electrodes series extend along first direction, and the fretwork area of these first electrodes changes along first direction.Second electrodes series is disposed on the substrate.A plurality of second electrodes of each second electrodes series extend along second direction, and the fretwork area of these second electrodes changes along second direction.
Based on above-mentioned; In the above embodiment of the present invention, has following one of them advantage at least; The fretwork area of a plurality of first electrodes of each first electrodes series changes along first direction in the capacitance type touch-control panel; And the fretwork area of a plurality of second electrodes of each second electrodes series changes along second direction, through changing the fretwork area of first electrode and second electrode, and then changes the induction area and the corresponding capacitance of each first electrode and each second electrode.Capacitance according to each first electrode and each second electrode pair are answered can judge whether the position of touch that is sensed is mutual correspondence, produces touch point according to corresponding position of touch again, can avoid the generation of mirror point by this.
For letting the above-mentioned feature and advantage of the present invention can be more obviously understandable, hereinafter is special lifts a plurality of embodiment, and combines accompanying drawing, elaborates as follows.
Description of drawings
Fig. 1 is the structural representation according to the capacitance type touch-control panel of first embodiment of the invention;
Fig. 2 is the structural representation according to the capacitance type touch-control panel of second embodiment of the invention;
Fig. 3 is the structural representation according to the capacitance type touch-control panel of third embodiment of the invention;
Fig. 4 is the structural representation according to the capacitance type touch-control panel of fourth embodiment of the invention;
Fig. 5 is the structural representation according to the capacitance type touch-control panel of fifth embodiment of the invention.
Embodiment
About aforementioned and other technology contents, characteristics and effect of the present invention, in detailed description, can clearly appear below in conjunction with a plurality of embodiment of accompanying drawing.The direction term of being mentioned in following examples, for example " on ", D score, " preceding ", " back ", " left side ", " right side " etc., only be direction with reference to accompanying drawing.Therefore, the direction term of use is to be used for explanation, but not is used for limiting the present invention.
Fig. 1 is the structural representation according to the capacitance type touch-control panel of first embodiment of the invention.Please with reference to Fig. 1, capacitance type touch-control panel 100 comprises substrate 110, first electrodes series L11～L15 and second electrodes series L21～L25, and wherein first electrodes series L11～L15 and second electrodes series L21～L25 are disposed on the substrate 110, and present electrically insulated from one another.At this, first electrodes series that Fig. 1 illustrated and second electrode are classified as in order to explanation, and all embodiment of the present invention are not as limit.
The first electrodes series L11 comprises first electrode A, 11～A16, and first electrode A, 11～A16 extends along first direction D1; The first electrodes series L12 comprises first electrode A, 21～A26, and first electrode A, 21～A26 extends along first direction D1 equally, and all the other first electrodes series (are L13～L15) then can understand voluntarily with reference to diagram, then repeat no more at this.
On the other hand, the second electrodes series L21 comprises second electrode B, 11～B16, and second electrode B, 11～B16 extends along second direction D2; The second electrodes series L22 comprises second electrode B, 21～B26, and second electrode B, 21～B26 extends along second direction D2 equally, and all the other second electrodes series (are L23～L25) then can understand voluntarily with reference to diagram, then repeat no more at this.
In addition; As shown in Figure 1; First electrode A 11, A16, A21, A26, A31, A36, A41, A46, A51, A56 and second electrode B 11, B16, B21, B26, B31, B36, B41, B46, B51, B56 are the electrode at edge at this; And in all embodiment of the present invention, suppose that then the electrode at above-mentioned edge can remain unchanged.
Refer again to Fig. 1; With the first electrodes series L11; Do not form pierced pattern on first electrode A 12; Can form at least one foursquare pierced pattern H1 and first electrode A, 13～A15 is last, and the quantity of the last pierced pattern H1 of first electrode A, 13～A15 turns right more manyly more, that is the quantity of the last pierced pattern H1 of first electrode A, 13～A15 increases progressively along first direction D1.In other words, the quantity of the pierced pattern H1 on first electrode A 12 is that the quantity of the pierced pattern H1 on 0, the first electrode A 13 is that the quantity of the pierced pattern H1 on 1, the first electrode A 14 is that the quantity of the pierced pattern H1 on 2, the first electrode A 15 is 3.
Because each pierced pattern H1 has certain area, therefore above-mentioned the amplification is that the last fretwork area of first electrode A, 12～A15 increases progressively along first direction D1.In other words, the last fretwork area of first electrode A, 12～A15 along first direction D1 by 0 be incremented to 3 times pierced pattern H1 area, that is the last fretwork area of first electrode A, 12～A15 is proportional to the quantity of the last pierced pattern H1 of first electrode A, 12～A15.Because the difference of the last fretwork area of first electrode A, 12～A15 causes the induction area of first electrode A, 12～A15 different, and then makes the corresponding capacitance of first electrode A, 12～A15 different.First electrodes series L12～L15 then can then repeat no more at this with reference to the explanation of the first electrodes series L11.
With the second electrodes series L21; Do not form pierced pattern on second electrode B 12; And the last pierced pattern H2 that can form at least one circle of second electrode B, 13～B15; And the quantity of the pierced pattern H2 that second electrode B, 13～B15 is last is more down many more, that is the quantity of the last pierced pattern H2 of second electrode B, 13～B15 increases progressively along second direction D2.In other words, the quantity of the pierced pattern H2 on second electrode B 12 is that the quantity of the pierced pattern H2 on 0, the second electrode B 13 is that the quantity of the pierced pattern H2 on 1, the second electrode B 14 is that the quantity of the pierced pattern H2 on 2, the second electrode B 15 is 3.
Because each pierced pattern H2 has certain area, therefore above-mentioned the amplification is that the last fretwork area of second electrode B, 12～B15 increases progressively along second direction D2.In other words, the last fretwork area of second electrode B, 12～B15 is incremented to 3 times of areas to pierced pattern H2 along second direction D2 by 0, that is the last fretwork area of second electrode B, 12～B15 is proportional to the quantity of the last pierced pattern H2 of second electrode B, 12～B15.Because the difference of the last fretwork area of second electrode B, 12～B15 causes the induction area of second electrode B, 12～B15 different, and then makes the corresponding capacitance of second electrode B, 12～B15 different.Second electrodes series L22～L25 then can then repeat no more at this with reference to the explanation of the second electrodes series L21.
According to above-mentioned; In first electrodes series L11～L15; The last fretwork area of first electrode A, 12～A15, A22～A25, A32～A35, A42～A45 and A52～A55 changes (at present embodiment for increasing progressively) along first direction D1, so that the detected capacitance of first electrodes series L11～L15 can the variation to some extent along with the difference of the horizontal level of being touched.On the other hand; In second electrodes series L21～L25; The last fretwork area of second electrode B, 12～B15, B22～B25, B32～B35, B42～B45, B52～B55 changes (at present embodiment for increasing progressively) along second direction D2, so that the detected capacitance of second electrodes series L21～L25 can the variation to some extent along with the difference of the upright position of being touched.
At this, suppose that touch point is T1 and T2, then the second electrodes series L22 and L25 can detect capacitance and orient position of touch X2 and X5, and the first electrodes series L11 and L14 can detect capacitance and orient position of touch Y2 and Y5.At this moment; Position of touch X2 is for locating according to second electrode B, 22 corresponding capacitances; Position of touch X5 is for locating according to second electrode B, 55 corresponding capacitances; Position of touch Y2 is for locating according to first electrode A, 45 corresponding capacitances, and position of touch Y5 is for locating according to first electrode A, 12 corresponding capacitances.
According to diagram, because second electrode B 22 be adjacent first electrode A 12, A13, A22 and A23, can be corresponding position of touch Y5 therefore according to the used capacitance judgement position of touch X2 in location, and the position that can orient touch point T1 in view of the above.Because second electrode B 55 be adjacent first electrode A 45, A46, A55 and A56, can be corresponding position of touch Y2 therefore according to the capacitance judgement position of touch X5 of location, and the position that can orient touch point T2 in view of the above.Wherein, Above-mentioned first electrode can be stated through the corresponding relation between the capacitance of setting up corresponding first electrode and second electrode with the neighbouring relations of second electrode, and the corresponding relation between the capacitance of corresponding first electrode and second electrode can be established as the table of comparisons with the foundation as judgement.Since the position of touch of each X axle can a corresponding Y axle position of touch, therefore can correctly orient the position of a plurality of touch points, and can avoid producing the mirror point.
Fig. 2 is the structural representation according to the capacitance type touch-control panel of second embodiment of the invention.Please with reference to Fig. 1 and Fig. 2, the structure of capacitance type touch-control panel 200 is approximately identical to capacitance type touch-control panel 100.Yet; In capacitance type touch-control panel 200; The quantity of the pierced pattern H3 that first electrode A, 12～A15, A22～A25, A32～A35, A42～A45 and A52～A55 are last is successively decreased along first direction D1, and the quantity of the pierced pattern H4 that second electrode B, 12～B15, B22～B25, B32～B35, B42～B45, B52～B55 are last is successively decreased along second direction D2.Wherein, The last pierced pattern H3 of first electrode A, 12～A15, A22～A25, A32～A35, A42～A45 and A52～A55 for example is oval, and second electrode B, 12～B15, B22～B25, B32～B35, B42～B45, the last pierced pattern H4 of B52～B55 for example are rhombus.
Fig. 3 is the structural representation according to the capacitance type touch-control panel of third embodiment of the invention.Please with reference to Fig. 1 and Fig. 3, the structure of capacitance type touch-control panel 300 is approximately identical to capacitance type touch-control panel 100.Yet in capacitance type touch-control panel 300, the quantity of the pierced pattern H1 that first electrode A, 22～A25 and A42～A45 are last is successively decreased along first direction D1, and the quantity of the pierced pattern H2 that second electrode B, 22～B25 and B42～B45 are last is successively decreased along second direction D2.
In other words; In first electrodes series L11～L15; The quantity of the pierced pattern H1 that first electrode A, 12～A15, A32～A35 and the A52～A55 of the first electrodes series L11, L13 and the L15 of odd number is last increases progressively along first direction D1, and the quantity of the pierced pattern H1 that the first electrodes series L12 of even number and first electrode A, 22～A25 of L14 and A42～A45 are last is successively decreased along first direction D1.
In second electrodes series L21～L25; The quantity of the pierced pattern H2 that second electrode B, 12～B15, B32～B35 and the B52～B55 of the second electrodes series L21, L23 and the L25 of odd number is last increases progressively along second direction D2, and the quantity of the pierced pattern H2 that the second electrodes series L22 of even number and second electrode B, 22～B25 of L24 and B42～B45 are last is successively decreased along second direction D2.
Fig. 4 is the structural representation according to the capacitance type touch-control panel of fourth embodiment of the invention.Please with reference to Fig. 1 and Fig. 4, the structure of capacitance type touch-control panel 400 is approximately identical to capacitance type touch-control panel 100.Yet; In capacitance type touch-control panel 100; The initial value of the quantity of the pierced pattern H1 that first electrode A, 12～A15, A22～A25, A32～A35, A42～A45 and the A52～A55 of first electrodes series L11～L15 is last is mutually the same, that is the quantity of first electrode A, 12～A15, A22～A25, A32～A35, A42～A45 and the last pierced pattern H1 of A52～A55 all is incremented to 3 by 0.
But in capacitance type touch-control panel 400; The initial value of the quantity of the pierced pattern H1 that first electrode A, 12～A15, A22～A25, A32～A35, A42～A45 and the A52～A55 of first electrodes series L11～L15 is last is different; That is the quantity of the last pierced pattern H1 of first electrode A, 12～A15 is incremented to 3 by 0; The quantity of the last pierced pattern H1 of first electrode A, 22～A25 is incremented to 4 by 1; The quantity of the last pierced pattern H1 of first electrode A, 32～A35 by 2 be incremented to the last pierced pattern H1 of 5, the first electrode A, 42～A45 quantity by 3 be incremented to the last pierced pattern H1 of 6, the first electrode A, 52～A55 quantity be incremented to 7 by 4.
On the other hand; In capacitance type touch-control panel 100; The initial value of the quantity of the pierced pattern H2 that second electrode B, 12～B15, B22～B25, B32～B35, B42～B45 and the B52～B55 of second electrodes series L21～L25 is last is mutually the same, that is the quantity of second electrode B, 12～B15, B22～B25, B32～B35, B42～B45 and the last pierced pattern H2 of B52～B55 all is incremented to 3 by 0.
But in capacitance type touch-control panel 400; The initial value of the quantity of the pierced pattern H2 that second electrode B, 12～B15, B22～B25, B32～B35, B42～B45 and the B52～B55 of second electrodes series L21～L25 is last is different; That is the quantity of the last pierced pattern H2 of second electrode B, 12～B15 is incremented to 3 by 0; The quantity of the last pierced pattern H2 of second electrode B, 22～B25 is incremented to 4 by 1; The quantity of the last pierced pattern H2 of second electrode B, 32～B35 by 2 be incremented to the last pierced pattern H2 of 5, the second electrode B, 42～B45 quantity by 3 be incremented to the last pierced pattern H2 of 6, the second electrode B, 52～B55 quantity be incremented to 7 by 4.
Fig. 5 is the structural representation according to the capacitance type touch-control panel of fifth embodiment of the invention.Please with reference to Fig. 1 and Fig. 5, the structure of capacitance type touch-control panel 500 is approximately identical to capacitance type touch-control panel 100.Yet; In capacitance type touch-control panel 100; The quantity of the pierced pattern H1 that first electrode A, 12～A15, A22～A25, A32～A35, A42～A45 and the A52～A55 of first electrodes series L11～L15 is last increases progressively with arithmetic series, that is the quantity of the last pierced pattern H1 of first electrode A, 12～A15, A22～A25, A32～A35, A42～A45 and A52～A55 increases progressively to add 1 mode one by one.
But in capacitance type touch-control panel 500; The quantity of the pierced pattern H1 that first electrode A, 12～A15, A22～A25, A32～A35, A42～A45 and the A52～A55 of first electrodes series L11～L15 is last increases progressively with geometric progression, that is the quantity of the last pierced pattern H1 of first electrode A, 12～A15, A22～A25, A32～A35, A42～A45 and A52～A55 increases progressively to take advantage of 2 mode one by one.
On the other hand; In capacitance type touch-control panel 100; The quantity of the pierced pattern H2 that second electrode B, 12～B15, B22～B25, B32～B35, B42～B45 and the B52～B55 of second electrodes series L21～L25 is last increases progressively with arithmetic series, that is the quantity of the last pierced pattern H2 of second electrode B, 12～B15, B22～B25, B32～B35, B42～B45 and B52～B55 increases progressively to add 1 mode one by one.
But in capacitance type touch-control panel 500; The quantity of the pierced pattern H2 that second electrode B, 12～B15, B22～B25, B32～B35, B42～B45 and the B52～B55 of second electrodes series L21～L25 is last increases progressively with geometric progression, that is the quantity of the last pierced pattern H2 of second electrode B, 12～B15, B22～B25, B32～B35, B42～B45 and B52～B55 increases progressively to take advantage of 2 mode one by one.
In addition; Embodiments of the invention are numerous; Then propose part embodiment at this and explain, and can derive other embodiment, for example with second electrodes series L21～L25 of first electrodes series L11 of capacitance type touch-control panel 100～L15 collocation capacitance type touch-control panel 400 according to the explanation of the foregoing description; Perhaps second electrodes series L21～L25 of first electrodes series L11 of capacitance type touch-control panel 200～L15 collocation capacitance type touch-control panel 300, and all embodiment of the present invention are not as limit.In addition, the mentioned pierced pattern of the above embodiment of the present invention is square, circle, ellipse or rhombus, and right the present invention is not defined as above-mentioned geometric figure.
In sum; The capacitance type touch-control panel of the embodiment of the invention has following one of them advantage at least; It changes the fretwork area of the electrode of each electrodes series through on electrode, forming the mode of pierced pattern, and then changes the induction area and the corresponding capacitance of each electrode.Capacitance according to each electrode pair is answered can judge whether the position of touch that is sensed is corresponding, produces touch point according to corresponding position of touch again, can avoid the generation of mirror point by this.
The above; Be merely the preferred embodiments of the present invention; When not limiting the scope that the present invention implements with this, the simple equivalent of promptly doing according to claim of the present invention and invention description generally changes and modifies, and all still belongs in the scope of claim of the present invention.In addition, arbitrary embodiment of the present invention or claim must not reached whole purposes or advantage or the characteristics that the present invention discloses.In addition, summary part and title only are the usefulness that is used for assisting the patent document search, are not to be used for limiting interest field of the present invention.
Claims (10)
1. capacitance type touch-control panel comprises:
Substrate;
A plurality of first electrodes series are disposed on the said substrate, and a plurality of first electrodes of each said a plurality of first electrodes series extend along first direction, and the fretwork area of said a plurality of first electrodes changes along said first direction; And
A plurality of second electrodes series are disposed on the said substrate, and a plurality of second electrodes of each said a plurality of second electrodes series extend along second direction, and the fretwork area of said a plurality of second electrodes changes along said second direction.
2. capacitance type touch-control panel as claimed in claim 1, the fretwork area of wherein said a plurality of first electrodes increases progressively along said first direction, and the fretwork area of said a plurality of second electrodes increases progressively along said second direction.
3. capacitance type touch-control panel as claimed in claim 1, the fretwork area of wherein said a plurality of first electrodes successively decreases along said first direction, and the fretwork area of said a plurality of second electrodes successively decreases along said second direction.
4. capacitance type touch-control panel as claimed in claim 1; Wherein said a plurality of first electrodes series comprises a plurality of strange electrodes series and a plurality of even electrodes series; The fretwork area of said a plurality of first electrodes of wherein said a plurality of strange electrodes series increases progressively along said first direction, and the fretwork area of said a plurality of first electrodes of said a plurality of even electrodes series successively decreases along said first direction.
5. capacitance type touch-control panel as claimed in claim 1; Wherein the fretwork area of each said a plurality of first electrode is proportional to the quantity of the pierced pattern of each said a plurality of first electrode, and the fretwork area of each said a plurality of second electrode is proportional to the quantity of the pierced pattern of each said a plurality of second electrode.
6. capacitance type touch-control panel as claimed in claim 5, the initial value of the quantity of the pierced pattern of said a plurality of first electrodes of wherein said a plurality of first electrodes series is different.
7. capacitance type touch-control panel as claimed in claim 6, the initial value of the quantity of the pierced pattern of said a plurality of second electrodes of wherein said a plurality of second electrodes series is mutually the same.
8. capacitance type touch-control panel as claimed in claim 6, the initial value of the quantity of the pierced pattern of said a plurality of second electrodes of wherein said a plurality of second electrodes series is different.
9. capacitance type touch-control panel as claimed in claim 5, the quantity of the pierced pattern of wherein said a plurality of first electrodes increases progressively with geometric progression along said first direction.
10. capacitance type touch-control panel as claimed in claim 5, the quantity of the pierced pattern of wherein said a plurality of first electrodes increases progressively with arithmetic series along said first direction.
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| CN201010537784.3A CN102467303B (en) | 2010-11-04 | 2010-11-04 | Capacitive touch panel |
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| CN201010537784.3A CN102467303B (en) | 2010-11-04 | 2010-11-04 | Capacitive touch panel |
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| CN102467303A true CN102467303A (en) | 2012-05-23 |
| CN102467303B CN102467303B (en) | 2014-09-03 |
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| CN201010537784.3A Expired - Fee Related CN102467303B (en) | 2010-11-04 | 2010-11-04 | Capacitive touch panel |
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| CN103472951A (en) * | 2013-09-13 | 2013-12-25 | 京东方科技集团股份有限公司 | Touch screen, method for manufacturing same and display device |
| CN103677399A (en) * | 2012-09-11 | 2014-03-26 | 三星显示有限公司 | Sensor substrate, method of manufacturing the same and sensing display panel having the same |
| CN104345931A (en) * | 2013-07-29 | 2015-02-11 | 胜华科技股份有限公司 | Touch panel |
| CN106502484A (en) * | 2016-11-04 | 2017-03-15 | 友达光电（苏州）有限公司 | Touch control unit |
| US10488960B2 (en) | 2015-04-01 | 2019-11-26 | Shanghai Tianma Micro-electronics Co., Ltd. | Electronic device, touch display panel and touch display substrate |
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| US20090315859A1 (en) * | 2008-06-23 | 2009-12-24 | Au Optronics Corporation | Capacitive touch panel and fabricating method thereof |
| CN101655754A (en) * | 2008-08-21 | 2010-02-24 | 株式会社和冠 | Meshed touchscreen pattern |
| CN201622554U (en) * | 2010-02-04 | 2010-11-03 | 深圳市汇顶科技有限公司 | Capacitance touch sensor, touch detection device, and touch control terminal |
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| US20090315859A1 (en) * | 2008-06-23 | 2009-12-24 | Au Optronics Corporation | Capacitive touch panel and fabricating method thereof |
| CN101655754A (en) * | 2008-08-21 | 2010-02-24 | 株式会社和冠 | Meshed touchscreen pattern |
| CN201622554U (en) * | 2010-02-04 | 2010-11-03 | 深圳市汇顶科技有限公司 | Capacitance touch sensor, touch detection device, and touch control terminal |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103677399A (en) * | 2012-09-11 | 2014-03-26 | 三星显示有限公司 | Sensor substrate, method of manufacturing the same and sensing display panel having the same |
| CN104345931A (en) * | 2013-07-29 | 2015-02-11 | 胜华科技股份有限公司 | Touch panel |
| CN103472951A (en) * | 2013-09-13 | 2013-12-25 | 京东方科技集团股份有限公司 | Touch screen, method for manufacturing same and display device |
| CN103472951B (en) * | 2013-09-13 | 2016-10-05 | 京东方科技集团股份有限公司 | A kind of touch screen and preparation method thereof, display device |
| US9740344B2 (en) | 2013-09-13 | 2017-08-22 | Boe Technology Group Co., Ltd. | Touch screen and manufacturing method thereof, display device |
| US10488960B2 (en) | 2015-04-01 | 2019-11-26 | Shanghai Tianma Micro-electronics Co., Ltd. | Electronic device, touch display panel and touch display substrate |
| CN106502484A (en) * | 2016-11-04 | 2017-03-15 | 友达光电（苏州）有限公司 | Touch control unit |
| CN106502484B (en) * | 2016-11-04 | 2019-05-21 | 友达光电（苏州）有限公司 | Touch control unit |
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| CN102467303B (en) | 2014-09-03 |
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