CN102467303B - Capacitive touch panel - Google Patents
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- CN102467303B CN102467303B CN201010537784.3A CN201010537784A CN102467303B CN 102467303 B CN102467303 B CN 102467303B CN 201010537784 A CN201010537784 A CN 201010537784A CN 102467303 B CN102467303 B CN 102467303B
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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, in order to reach, carrying convenience, volume are lightly changed and object user-friendly for operation, many information products, by input medias such as traditional keyboard or mouses, change into and use contact panel (Touch Panel) as input media.At present, contact panel mainly can 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, when detecting 2 touchings, has the problem of mirror point (Ghos tpoint).
TaiWan, China patent publication No. 200842681 has disclosed a kind of capacitance type touch-control panel, U.S. Patent Publication No. 20100013745 has disclosed a kind of organic light-emitting display device with surface-capacitive touch panel function, yet above-mentioned patent does not disclose the means that solve mirror point problem.The means of multiple solution mirror point problem in the patents such as TaiWan, China patent publication No. 201015411,200915159, TaiWan, China patent announcement M368849 and U.S. Patent Publication No. 20080150906, have been disclosed, wherein U.S. Patent Publication No. 20080150906 is for increasing the axial of induction, and TaiWan, China patent publication No. 201015411,200915159 and TaiWan, China patent announcement M368849 are by revising 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 producing in the time of can eliminating a plurality of touch point.
Other object of the present invention and advantage can be further understood from the disclosed technical characterictic of the present invention.
For reaching one of above-mentioned or partly or entirely object or other object, one embodiment of the invention provide a kind of capacitance type touch-control panel, comprise substrate, a plurality of the first electrodes series and a plurality of the second electrodes series.The first electrodes series is disposed on substrate.A plurality of first electrodes of each the first electrodes series extend along first direction, and the fretwork area of these the first electrodes changes along first direction.The second electrodes series is disposed on substrate.A plurality of second electrodes of each the second electrodes series extend along second direction, and the fretwork area of these the second electrodes changes along second direction, wherein described in each, the fretwork area of a plurality of the first electrodes is proportional to the quantity of the pierced pattern of a plurality of the first electrodes described in each, and described in each, the fretwork area of a plurality of the second electrodes is proportional to the quantity of the pierced pattern of a plurality of the second electrodes described in each.
Based on above-mentioned, in the above embodiment of the present invention, at least there is following one of them advantage, in capacitance type touch-control panel, the fretwork area of a plurality of first electrodes of each the first electrodes series changes along first direction, and the fretwork area of a plurality of second electrodes of each the second electrodes series changes along second direction, by changing the fretwork area of the first electrode and the second electrode, and then change the induction area of each first electrode and each the second electrode and the capacitance of correspondence.The capacitance of answering according to each first electrode and each the second electrode pair can judge whether sensed position of touch is mutual correspondence, then produces touch point according to corresponding position of touch, can avoid by this generation of mirror point.
For above-mentioned feature and advantage of the present invention can be become apparent, a plurality of embodiment cited below particularly, and by reference to the accompanying drawings, be described in detail below.
Accompanying drawing explanation
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, feature and effect of the present invention, in the detailed description of a plurality of embodiment below in conjunction with accompanying drawing, can clearly present.The direction term of mentioning in following examples, such as " on ", D score, 'fornt', 'back', " left side ", " right side " etc., be only the direction with reference to accompanying drawing.Therefore, the direction term of use is 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 refer 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 substrate 110, and present electrically insulated from one another.At this, the first electrodes series that Fig. 1 illustrates and the 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 (being L13～L15) can be understood voluntarily with reference to diagram, at this, repeat no more.
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 (being L23～L25) can be understood voluntarily with reference to diagram, at this, repeat no more.
In addition, as shown in Figure 1, the first electrode A 11, A16, A21, A26, A31, A36, A41, A46, A51, A56 and the second electrode B 11, B16, B21, B26, B31, B36, B41, B46, B51, B56 be the electrode at edge in this case, and in all embodiment of the present invention, suppose that the electrode at above-mentioned edge can remain unchanged.
Refer again to Fig. 1, with the first electrodes series L11, in the first electrode A 12, do not form pierced pattern, and first electrode A 13～A15 is upper, can form at least one foursquare pierced pattern H1, and the quantity of the pierced pattern H1 on first electrode A 13～A15 is turned right more and more, that is the quantity of the pierced pattern H1 on first electrode A 13～A15 increases progressively along first direction D1.In other words, the quantity of the pierced pattern H1 in the first electrode A 12 is that the quantity of the pierced pattern H1 in 0, the first electrode A 13 is that the quantity of the pierced pattern H1 in 1, the first electrode A 14 is that the quantity of the pierced pattern H1 in 2, the first electrode A 15 is 3.
Because each pierced pattern H1 has certain area, therefore the above-mentioned fretwork area being extended on first electrode A 12～A15 increases progressively along first direction D1.In other words, the fretwork area on first electrode A 12～A15 is along first direction D1 by 0 area that is incremented to the pierced pattern H1 of 3 times, that is the fretwork area on first electrode A 12～A15 is proportional to the quantity of the pierced pattern H1 on first electrode A 12～A15.Due to the difference of the upper fretwork area of first electrode A 12～A15, cause the induction area of first electrode A 12～A15 different, and then make the capacitance that first electrode A 12～A15 is corresponding different.First electrodes series L12～L15 can, with reference to the explanation of the first electrodes series L11, repeat no more at this.
With the second electrodes series L21, in the second electrode B 12, do not form pierced pattern, and the upper pierced pattern H2 that can form at least one circle of second electrode B 13～B15, and the quantity of the pierced pattern H2 on second electrode B 13～B15 is more down more, that is the quantity of the pierced pattern H2 on second electrode B 13～B15 increases progressively along second direction D2.In other words, the quantity of the pierced pattern H2 in the second electrode B 12 is that the quantity of the pierced pattern H2 in 0, the second electrode B 13 is that the quantity of the pierced pattern H2 in 1, the second electrode B 14 is that the quantity of the pierced pattern H2 in 2, the second electrode B 15 is 3.
Because each pierced pattern H2 has certain area, therefore the above-mentioned fretwork area being extended on second electrode B 12～B15 increases progressively along second direction D2.In other words, the fretwork area on second electrode B 12～B15 is incremented to 3 times to the area of pierced pattern H2 along second direction D2 by 0, that is the fretwork area on second electrode B 12～B15 is proportional to the quantity of the pierced pattern H2 on second electrode B 12～B15.Due to the difference of the upper fretwork area of second electrode B 12～B15, cause the induction area of second electrode B 12～B15 different, and then make the capacitance that second electrode B 12～B15 is corresponding different.Second electrodes series L22～L25 can, with reference to the explanation of the second electrodes series L21, repeat no more at this.
According to above-mentioned, in first electrodes series L11～L15, fretwork area on first electrode A 12～A15, A22～A25, A32～A35, A42～A45 and A52～A55 changes (at the 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 touched horizontal level.On the other hand, in second electrodes series L21～L25, fretwork area on second electrode B 12～B15, B22～B25, B32～B35, B42～B45, B52～B55 changes (at the 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 touched upright position.
At this, suppose that touch point is T1 and T2, 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.Now, position of touch X2 locates according to the capacitance of the second electrode B 22 correspondences, position of touch X5 locates according to the capacitance of the second electrode B 55 correspondences, position of touch Y2 locates for the capacitance according to the first electrode A 45 correspondences, and position of touch Y5 locates according to the capacitance of the first electrode A 12 correspondences.
According to diagram, because the second electrode B 22 is adjacent the first electrode A 12, A13, A22 and A23, therefore can judge that position of touch X2 is as corresponding position of touch Y5 according to location capacitance used, and the position that can orient accordingly touch point T1.Because the second electrode B 55 is adjacent the first electrode A 45, A46, A55 and A56, therefore can judge that position of touch X5 is as corresponding position of touch Y2 according to the capacitance of location, and the position that can orient accordingly touch point T2.Wherein, above-mentioned the first electrode can state by the corresponding relation of setting up between corresponding the first electrode and the capacitance of the second electrode with the neighbouring relations of the second electrode, and the corresponding relation between corresponding the first electrode and the capacitance of the second electrode can be established as the foundation that the table of comparisons is usingd as judgement.Due to the position of touch of each X-axis can a corresponding Y-axis position of touch, therefore can correctly orient the position of a plurality of touch points, and can avoid producing mirror point.
Fig. 2 is the structural representation according to the capacitance type touch-control panel of second embodiment of the invention.Please refer 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 pierced pattern H3 on first electrode A 12～A15, A22～A25, A32～A35, A42～A45 and A52～A55 is successively decreased along first direction D1, and the quantity of the pierced pattern H4 on second electrode B 12～B15, B22～B25, B32～B35, B42～B45, B52～B55 is successively decreased along second direction D2.Wherein, pierced pattern H3 on first electrode A 12～A15, A22～A25, A32～A35, A42～A45 and A52～A55 is for example oval, and the pierced pattern H4 on second electrode B 12～B15, B22～B25, B32～B35, B42～B45, B52～B55 is for example rhombus.
Fig. 3 is the structural representation according to the capacitance type touch-control panel of third embodiment of the invention.Please refer 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 on first electrode A 22～A25 and A42～A45 is successively decreased along first direction D1, the quantity of the pierced pattern H2 on second electrode B 22～B25 and B42～B45 is successively decreased along second direction D2.
In other words, in first electrodes series L11～L15, the quantity of pierced pattern H1 on the first electrodes series L11, the L13 of odd number and first electrode A 12～A15, the A32～A35 of L15 and A52～A55 increases progressively along first direction D1, and the quantity of the pierced pattern H1 on the first electrodes series L12 of even number and first electrode A 22～A25 of L14 and A42～A45 is successively decreased along first direction D1.
In second electrodes series L21～L25, the quantity of pierced pattern H2 on the second electrodes series L21, the L23 of odd number and second electrode B 12～B15, the B32～B35 of L25 and B52～B55 increases progressively along second direction D2, and the quantity of the pierced pattern H2 on the second electrodes series L22 of even number and second electrode B 22～B25 of L24 and B42～B45 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 refer 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 on first electrode A 12～A15, A22～A25, A32～A35, A42～A45 and the A52～A55 of first electrodes series L11～L15 is mutually the same, that is the quantity of first electrode A 12～A15, A22～A25, A32～A35, A42～A45 and the upper pierced pattern H1 of A52～A55 is all incremented to 3 by 0.
But in capacitance type touch-control panel 400, first electrode A 12～A15 of first electrodes series L11～L15, A22～A25, A32～A35, the initial value of the quantity of the pierced pattern H1 on A42～A45 and A52～A55 is different, that is the quantity of the upper pierced pattern H1 of first electrode A 12～A15 is incremented to 3 by 0, the quantity of the upper pierced pattern H1 of first electrode A 22～A25 is incremented to 4 by 1, the quantity of the upper pierced pattern H1 of first electrode A 32～A35 is incremented to 5 by 2, the quantity of the upper pierced pattern H1 of first electrode A 42～A45 is incremented to 6 by 3, the quantity of the upper pierced pattern H1 of first electrode A 52～A55 is 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 on second electrode B 12～B15, B22～B25, B32～B35, B42～B45 and the B52～B55 of second electrodes series L21～L25 is mutually the same, that is the quantity of second electrode B 12～B15, B22～B25, B32～B35, B42～B45 and the upper pierced pattern H2 of B52～B55 is all incremented to 3 by 0.
But in capacitance type touch-control panel 400, second electrode B 12～B15 of second electrodes series L21～L25, B22～B25, B32～B35, the initial value of the quantity of the pierced pattern H2 on B42～B45 and B52～B55 is different, that is the quantity of the upper pierced pattern H2 of second electrode B 12～B15 is incremented to 3 by 0, the quantity of the upper pierced pattern H2 of second electrode B 22～B25 is incremented to 4 by 1, the quantity of the upper pierced pattern H2 of second electrode B 32～B35 is incremented to 5 by 2, the quantity of the upper pierced pattern H2 of second electrode B 42～B45 is incremented to 6 by 3, the quantity of the upper pierced pattern H2 of second electrode B 52～B55 is 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 refer 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 pierced pattern H1 on first electrode A 12～A15, A22～A25, A32～A35, A42～A45 and the A52～A55 of first electrodes series L11～L15 increases progressively with arithmetic series, that is the quantity of the pierced pattern H1 on first electrode A 12～A15, A22～A25, A32～A35, A42～A45 and A52～A55 increases progressively to add one by one 1 mode.
But in capacitance type touch-control panel 500, the quantity of pierced pattern H1 on first electrode A 12～A15, A22～A25, A32～A35, A42～A45 and the A52～A55 of first electrodes series L11～L15 increases progressively with geometric progression, that is the quantity of the pierced pattern H1 on first electrode A 12～A15, A22～A25, A32～A35, A42～A45 and A52～A55 is to take advantage of one by one 2 mode to increase progressively.
On the other hand, in capacitance type touch-control panel 100, the quantity of pierced pattern H2 on second electrode B 12～B15, B22～B25, B32～B35, B42～B45 and the B52～B55 of second electrodes series L21～L25 increases progressively with arithmetic series, that is the quantity of the pierced pattern H2 on second electrode B 12～B15, B22～B25, B32～B35, B42～B45 and B52～B55 increases progressively to add one by one 1 mode.
But in capacitance type touch-control panel 500, the quantity of pierced pattern H2 on second electrode B 12～B15, B22～B25, B32～B35, B42～B45 and the B52～B55 of second electrodes series L21～L25 increases progressively with geometric progression, that is the quantity of the pierced pattern H2 on second electrode B 12～B15, B22～B25, B32～B35, B42～B45 and B52～B55 is to take advantage of one by one 2 mode to increase progressively.
In addition, embodiments of the invention are numerous, at this, proposing part embodiment is illustrated, and can derive other embodiment according to the explanation of above-described embodiment, for example, with second electrodes series L21～L25 of the first electrodes series L11 of capacitance type touch-control panel 100～L15 collocation capacitance type touch-control panel 400, or second electrodes series L21～L25 of the 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 so the present invention is not defined as above-mentioned geometric figure.
In sum, the capacitance type touch-control panel of the embodiment of the present invention at least has following one of them advantage, it,, by form the mode of pierced pattern on electrode, changes the fretwork area of the electrode of each electrodes series, and then changes induction area and the corresponding capacitance of each electrode.The capacitance of answering according to each electrode pair can judge whether sensed position of touch is corresponding, then produces touch point according to corresponding position of touch, can avoid by this generation of mirror point.
The above, be only the preferred embodiments of the present invention, when not limiting scope of the invention process with this, the simple equivalence of generally doing according to the claims in the present invention and invention description content changes and modifies, and all still belongs in the scope of the claims in the present invention.In addition, arbitrary embodiment of the present invention or claim must not reached the disclosed whole objects of the present invention or advantage or feature.In addition, summary part and title are only for the use of auxiliary patent document search, are not used for limiting interest field of the present invention.
Claims (9)
1. a capacitance type touch-control panel, comprising:
Substrate;
A plurality of the first electrodes series, are disposed on described substrate, and described in each, a plurality of first electrodes of a plurality of the first electrodes series extend along first direction, and the fretwork area of described a plurality of the first electrodes changes along described first direction; And
A plurality of the second electrodes series, are disposed on described substrate, and described in each, a plurality of second electrodes of a plurality of the second electrodes series extend along second direction, and the fretwork area of described a plurality of the second electrodes changes along described second direction,
Wherein described in each, the fretwork area of a plurality of the first electrodes is proportional to the quantity of the pierced pattern of a plurality of the first electrodes described in each, and described in each, the fretwork area of a plurality of the second electrodes is proportional to the quantity of the pierced pattern of a plurality of the second electrodes described in each.
2. capacitance type touch-control panel as claimed in claim 1, the fretwork area of wherein said a plurality of the first electrodes increases progressively along described first direction, and the fretwork area of described a plurality of the second electrodes increases progressively along described second direction.
3. capacitance type touch-control panel as claimed in claim 1, the fretwork area of wherein said a plurality of the first electrodes successively decreases along described first direction, and the fretwork area of described a plurality of the second electrodes successively decreases along described second direction.
4. capacitance type touch-control panel as claimed in claim 1, wherein said a plurality of the first electrodes series comprises a plurality of strange electrodes series and a plurality of even electrodes series, the fretwork area of described a plurality of first electrodes of wherein said a plurality of strange electrodes series increases progressively along described first direction, and the fretwork area of described a plurality of first electrodes of described a plurality of even electrodes series successively decreases along described first direction.
5. capacitance type touch-control panel as claimed in claim 1, the initial value of the quantity of the pierced pattern of described a plurality of first electrodes of wherein said a plurality of the first electrodes series is different.
6. capacitance type touch-control panel as claimed in claim 5, the initial value of the quantity of the pierced pattern of described a plurality of second electrodes of wherein said a plurality of the second electrodes series is mutually the same.
7. capacitance type touch-control panel as claimed in claim 5, the initial value of the quantity of the pierced pattern of described a plurality of second electrodes of wherein said a plurality of the second electrodes series is different.
8. capacitance type touch-control panel as claimed in claim 1, the quantity of the pierced pattern of wherein said a plurality of the first electrodes increases progressively with geometric progression along described first direction.
9. capacitance type touch-control panel as claimed in claim 1, the quantity of the pierced pattern of wherein said a plurality of the first electrodes increases progressively with arithmetic series along described first direction.
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| KR101968929B1 (en) * | 2012-09-11 | 2019-04-16 | 삼성디스플레이 주식회사 | 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 |
| 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 |
| CN104699357B (en) | 2015-04-01 | 2018-01-09 | 上海天马微电子有限公司 | A kind of electronic equipment, touch display panel and touch display substrate |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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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| TWI378377B (en) * | 2008-06-23 | 2012-12-01 | Au Optronics Corp | Capacitive touch panel and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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