CN104808826A - Sensing electrode and sensing electrode units - Google Patents
Sensing electrode and sensing electrode units Download PDFInfo
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- CN104808826A CN104808826A CN201410042390.9A CN201410042390A CN104808826A CN 104808826 A CN104808826 A CN 104808826A CN 201410042390 A CN201410042390 A CN 201410042390A CN 104808826 A CN104808826 A CN 104808826A
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- 230000015572 biosynthetic process Effects 0.000 description 2
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Abstract
The invention provides sensing electrode units. The sensing electrode units are arranged repeatedly to form one portion of a sensing electrode. Each of the sensing electrode units comprises a first electrode and a third electrode. The shapes of the first electrodes are corresponding to the shapes of second electrodes of the first electrodes. At least parts of the third electrodes are parallel to the sides of the first electrodes and the sides of the second electrodes.
Description
Technical field
The present invention about the sensing electrode of contact panel and sensing electrode unit, especially in regard to the sensing electrode for detecting noise on contact panel and sensing electrode unit.
Background technology
Contact panel is an industry in large scale, and electronic product miscellaneous all uses contact panel as the important I/O device of man-machine interface.The performance of contact panel, depends on sensing electrode and the logical circuit being connected sensing electrode.The design of sensing electrode and quality, can have influence on the performance of contact panel.
In general, the sensing electrode of contact panel is formed on a transparency carrier.The light that display device sends can be shown to user's viewing through this transparency carrier.The sensing electrode formed on the transparent substrate comprises multiple electrode, and these electrodes are connected to logical circuit through multiple wire.Contact panel namely through detecting sensing electrode on weak current, learn according to this contact panel occurs closely connect (near with contact) event.
The electronic installation that contact panel is installed often is subject to the electromagnetic interference (EMI) of environment, and particularly in the middle of modern living environment, the high voltage ac electrode that public electric wire net provides may cause interference for contact panel.Although electronic installation may make grounding apparatus, faint alternating current along the health of user, as finger or pointer flow on the sensing electrode of contact panel, and then may cause electrically being changed of sensing electrode.
Therefore, need a kind of sensing electrode design can detecting AC noise badly, can while part be closely taken over a job in detecting, the noise that detecting is extraneous, and then the judgement of the part that makes closely to take over a job can be more accurate.
Summary of the invention
According to one embodiment of the invention, provide a kind of sensing electrode unit, its repeated arrangement is to form the some of a sensing electrode, and this sensing electrode unit comprises: one first electrode; Shape corresponds to one second electrode of this first electrode; And one the 3rd electrode, wherein this three electrode at least one part be parallel to this first electrode and one side of this second electrode.
According to another embodiment of the present invention, a kind of sensing electrode is provided.This sensing electrode comprises one first sensing electrode unit and one second sensing electrode unit.This first sensing electrode unit comprises: one first electrode; Shape corresponds to one second electrode of this first electrode; And one the 3rd electrode, wherein this three electrode at least one part be parallel to this first electrode and one side of this second electrode.This second sensing electrode unit comprises: shape is different from one the 4th electrode of this first electrode and this second electrode; Shape corresponds to one the 5th electrode of the 4th electrode; And one the 6th electrode, wherein at least one part of the 6th electrode be parallel to the 4th electrode and one side of the 5th electrode.
According to some embodiments of the present invention, a kind of sensing electrode is provided, comprises: one first sensing electrode row, comprises multiple first sensing electrode unit; And be parallel to the one second sensing electrode row of this first sensing electrode row, comprise multiple first sensing electrode unit.This first sensing electrode unit comprises: one first electrode; Shape corresponds to one second electrode of this first electrode; And one the 3rd electrode, wherein this three electrode at least one part be parallel to this first electrode and one side of this second electrode.
By being connected to three electrode privates, during sensing electrode unit is once sensed, the scanning of noise can be carried out repeatedly.Thus, just can learn ac period and the AC noise amount of extraneous input, and then AC noise amount is deducted from the sensed quantity by sensing electrode unit gained, make sensed quantity more accurate.
Accompanying drawing explanation
Figure 1A is a schematic diagram of a sensing electrode 100 according to an embodiment of the invention.
Figure 1B is a schematic diagram of a sensing electrode 100 according to another embodiment of the present invention.
Fig. 2 is a schematic diagram of a sensing electrode 200 according to an embodiment of the invention.
Fig. 3 is a schematic diagram of a sensing electrode 300 according to another embodiment of the present invention.
Fig. 4 A is a schematic diagram of a sensing electrode 400 according to another embodiment of the present invention.
Fig. 4 B is a schematic diagram of a sensing electrode 400 according to another embodiment of the present invention.
Fig. 5 A is a schematic diagram of a sensing electrode 500 according to an embodiment of the invention.
Fig. 5 B is a schematic diagram of a sensing electrode 500 according to another embodiment of the present invention.
Fig. 6 is a schematic diagram of a sensing electrode 600 according to another embodiment of the present invention.
Fig. 7 A to Fig. 7 H is the schematic diagram of the sensing electrode 700 according to the embodiment of the present invention.
Embodiment
It is as follows that the present invention will describe some embodiments in detail.But except disclosed embodiment, scope of the present invention by the restriction of those embodiments, is not as the criterion with claim thereafter.And in order to provide clearer description and make the ordinary person of this skill can understand summary of the invention of the present invention, in diagram, each several part is not drawn according to its relative size, the ratio of some size or other scale dependent may be seemed by highlighting exaggeration, and incoherent detail section is not drawn completely, in the hope of succinctly illustrated.
Please refer to shown in Figure 1A, it is a schematic diagram of a sensing electrode 100 according to an embodiment of the invention.In the middle of Figure 1A, sensing electrode 100 comprises the multiple sensing electrode unit 110 formed a line, such as, with the part that dotted line is coated.In the middle of sensing electrode unit 110, comprise one first wire 111, be connected to one first electrode 112,1 second wire 113 of this first wire 111, be connected to one second electrode 114, privates 122 of this second wire 113, be connected to the 3rd electrode 124 of privates.
First electrode 112 and the second electrode 114 are sensing electrode corresponding to shape, and its shape can be triangle, trapezoidal or class triangle as shown in Figure 1A.In the present embodiment, the electrode shape of the first electrode 112, just and the electrode shape of this second electrode 114 through the mutual mapping of an axis (mirror).In another embodiment, the electrode shape of the first electrode 112 and the electrode shape of the second electrode 114 can be incomplete same, and only its corresponding limit is parallel to each other and border complementary, namely belong to sensing electrode corresponding to shape.Those having ordinary skill in the art will appreciate that, owing to considering the yield of processing procedure, if acute angle, there is larger may rupturing after the fabrication the turning point of each electrode on substrate, or cannot produces designed shape.If the angle of turning point is right angle or the obtuse angle being greater than right angle, then the yield made may be higher.Therefore, the shape of the first electrode 112 and the second electrode 114 can avoid the formation of acute angle.In the present embodiment, two limits of the first electrode 112 are orthogonal, and the second electrode 114 also has two limits orthogonal, and the 3rd limit of the first electrode 112 and the second electrode 114 is parallel to each other, form triangle or leg-of-mutton 3rd limit of class.First electrode 112 and the second electrode 114 are connected to a processing module through the first wire 111 and privates 113 respectively, and for the induction of part of closely taking over a job, its induction mechanism is known by the people haveing the knack of this area, does not add detailed description at this.
3rd electrode 124 is connected to an AC noise processing module through privates 122, its alternating current sensed for sensing the 3rd electrode 124, to eliminate external AC noise (ACnoise) further.The function of this AC noise processing module can be identical with above-mentioned processing module, also can be a special processing module.In the middle of the embodiment shown in Figure 1A, the 3rd limit being parallel to this first electrode 112 and this second electrode 114 at least partially of the 3rd electrode 124, after walking around the below of the second electrode 124, then along surrounding's wiring of sensing electrode unit 110, receive privates 122 by top.In a specific embodiment, the 3rd electrode 124 is at least partially equal with the distance on the 3rd limit of this second electrode 114 with this first electrode 112.
Please refer to shown in Figure 1B, it is a schematic diagram of a sensing electrode 100 according to another embodiment of the present invention.Figure 1B is similar to Figure 1A haply, and identical reference numerals is applicable to the related description of Figure 1A embodiment.The place different from Figure 1A is, the 3rd electrode 122 is divided into two parts be not connected, and the 3rd A electrode 124A, via surrounding's wiring of sensing electrode unit 110, receives the 3rd A wire 122A by top.A part of 3rd B electrode 124B is parallel to this first electrode 112 and the 3rd limit of this second electrode 114, receives the 3rd B wire 122B by top.
The breakpoint of the 3rd A electrode 124A and the 3rd B electrode 124B can at the below place of sensing electrode unit.As shown in Figure 1B, the 3rd A electrode 124A still extends to the below of sensing electrode unit, but in another embodiment, the 3rd A electrode 124A does not extend to the below of sensing electrode unit, only in the centre of two sensing electrode unit.In one embodiment, the distance of the 3rd A electrode 124A and left and right two sensing electrode unit is identical.
Please refer to shown in Fig. 2, it is a schematic diagram of a sensing electrode 200 according to an embodiment of the invention.Sensing electrode 200 equally also comprises the multiple sensing electrode unit 210 formed a line.Each sensing electrode unit 210 comprises one first wire 211, is connected to one first electrode 212,1 second wire 213 of this first wire 211, is connected to one the 4th electrode 214, privates 222 of this second wire 213, with one the 3rd electrode 224 being connected to this privates 222.
First electrode 212 and the second electrode 214 are sensing electrode corresponding to shape, and its shape comprises multiple triangle, trapezoidal or class triangle.Those having ordinary skill in the art will appreciate that, owing to considering the yield of processing procedure, if acute angle, there is larger may rupturing after the fabrication the turning point of each electrode on substrate, or cannot produces designed shape.If the angle of turning point is right angle or the obtuse angle being greater than right angle, then the yield made may be higher.Therefore, the shape of the first electrode 212 and the second electrode 214 can avoid the formation of acute angle.Two limits of the first electrode 212 are orthogonal, and the second electrode 214 also has two limits orthogonal, and except these two limits, it is parallel to each other corresponding with a border of the second electrode 214 that the first electrode 212 also comprises a border.First electrode 212 and the second electrode 214 are connected to a processing module through the first wire 211 with privates 213 respectively, for the induction of part of closely taking over a job, do not add detailed description at this.
3rd electrode 224 is connected to an AC noise processing module through privates 222, its alternating current sensed for sensing the 3rd electrode 224, to eliminate the AC noise (AC noise) produced by charger further.This AC noise processing module functionally can similar above-mentioned processing module, also can be a special processing module.In the middle of the embodiment shown in Fig. 2, the 3rd electrode 224 be this first electrode 212 parallel at least partially and parallel each limit of this second electrode 214.After walking around the below of the second electrode 224, then along surrounding's wiring of sensing electrode unit 210, receive privates 222 by top.In a specific embodiment, this 3rd electrode 224 is at least partially equal with the distance on this parallel each limit of this second electrode 214 with this first electrode 212.
Please refer to shown in Fig. 3, it is a schematic diagram of a sensing electrode 300 according to another embodiment of the present invention.Sensing electrode 300 contains two kinds of different sensing electrode unit 110 and 210.About the explanation of these two sensing electrode unit 110 and 210, can with reference to Figure 1A, Figure 1B, with the embodiment of Fig. 2, do not add detailed description at this.In one embodiment, sensing electrode unit 110 can be configured at the edge of sensing electrode 300, and sensing electrode unit 210 then can be configured at the central authorities at sensing electrode 300, and shape is in a row.
Please refer to shown in Fig. 4 A, it is a schematic diagram of a sensing electrode 400 according to another embodiment of the present invention.This sensing electrode 400 comprises the multiple sensing electrode unit 410 formed a line, such as, with the part that dotted line is coated.Sensing electrode unit 410 is roughly similar to the sensing electrode unit 110 shown in Figure 1A, its difference is, the 3rd electrode 424 being upwards connected to privates 424 is only distributed in the side of sensing electrode unit 410, as the left side of the first electrode 112, or the right side of the second electrode 114.And the 3rd limit of the first electrode 112 and the second electrode 114 is also extended to unlike the 3rd electrode 124.
Please refer to shown in Fig. 4 B, it is a schematic diagram of a sensing electrode 400 according to another embodiment of the present invention.Be with the difference of the embodiment shown in Fig. 4 A, the 3rd electrode 424 except being distributed in the left side as the first electrode 112, or beyond the right side of the second electrode 114, also extending and contains the right electrode 424R of one the 3rd left electrode 424L and/or the 3rd.In the middle of the embodiment shown in Fig. 4 B, the length of the 3rd left electrode 424L and the 3rd right electrode 424R is suitable, encloses the following of sensing electrode unit 410 respectively.But the length that the present invention does not limit the 3rd left electrode 424L is the same with the length of the 3rd right electrode 424R.In certain embodiments, the length of the 3rd left electrode 424L can be greater than the length of the 3rd right electrode 424R.In more another embodiment, the length of the 3rd left electrode 424L can be less than the length of the 3rd right electrode 424R.In a certain embodiment, the length of the 3rd left electrode 424L or the length of the 3rd right electrode 424R can be even zero.In other words, the 3rd electrode 424 only comprises the 3rd left electrode 424L or the 3rd right electrode 424R.
Please refer to shown in Fig. 5 A, it is a schematic diagram of a sensing electrode 500 according to an embodiment of the invention.Compared with the sensing electrode unit 410 shown in Fig. 4 A, the first electrode 212 of the sensing electrode unit 510 shown in Fig. 5 A and the second electrode 214 contain multiple triangle, trapezoidal or class triangle.Can the related description of reference diagram 2 embodiment.Identical with the sensing electrode unit 410 shown in Fig. 4 A, sensing electrode unit 510 contains a privates 522 and one the 3rd electrode 524 being connected to privates 522.The 3rd electrode 524 being upwards connected to privates 524 is only distributed in the side of sensing electrode unit 510, as the left side of the first electrode 212, or the right side of the second electrode 214.
Please refer to shown in Fig. 5 B, it is a schematic diagram of a sensing electrode 500 according to another embodiment of the present invention.Be with the difference of the embodiment shown in Fig. 5 A, the 3rd electrode 524 except being distributed in the left side as the first electrode 212, or beyond the right side of the second electrode 214, also extending and contains the right electrode 524R of one the 3rd left electrode 524L and/or the 3rd.In the middle of the embodiment shown in Fig. 5 B, the length of the 3rd left electrode 524L and the 3rd right electrode 524R is suitable, encloses the following of sensing electrode unit 510 respectively.But the length that the present invention does not limit the 3rd left electrode 524L is the same with the length of the 3rd right electrode 524R.In certain embodiments, the length of the 3rd left electrode 524L can be greater than the length of the 3rd right electrode 524R.In more another embodiment, the length of the 3rd left electrode 524L can be less than the length of the 3rd right electrode 524R.In a certain embodiment, the length of the 3rd left electrode 524L or the length of the 3rd right electrode 524R can be even zero.In other words, the 3rd electrode 524 only comprises the 3rd left electrode 524L or the 3rd right electrode 524R.
Please refer to shown in Fig. 6, it is a schematic diagram of a sensing electrode 600 according to another embodiment of the present invention.Sensing electrode 600 contains two kinds of different sensing electrode unit 410 and 510.About the explanation of these two sensing electrode unit 410 and 510, can with reference to Fig. 4 A, Fig. 4 B, Fig. 5 A, with the embodiment of Fig. 5 B, do not add detailed description at this.In one embodiment, sensing electrode unit 410 can be configured at the edge of sensing electrode 600, and sensing electrode unit 510 then can be configured at the central authorities of sensing electrode 600, and shape is in a row.
By being connected to three electrode privates, above-mentioned AC noise processing module during once sensing sensing electrode unit, can carry out repeatedly the scanning of noise.Thus, just can learn ac period and the AC noise amount of extraneous input, and then AC noise amount is deducted from the sensed quantity by sensing electrode unit gained, make sensed quantity more accurate.
Please refer to shown in Fig. 7 A to Fig. 7 H, it is the schematic diagram of the sensing electrode 700 according to the embodiment of the present invention.In the middle of the sensing electrode 700 shown in these eight figure, all comprise one first sensing electrode row 710 and be parallel to one second sensing electrode that this first sensing electrode arranges 710 and arrange 720.In the middle of the embodiment shown in these figure, the embodiment shown in all going for previously and its modification.
In the middle of the embodiment shown in Fig. 7 A, refer again to the embodiment of Figure 1A, in the first sensing electrode row 710, comprise the multiple sensing electrode unit 110 shown in Figure 1A.And also comprise the multiple sensing electrode unit 110 shown in Figure 1A in the second sensing electrode row 720.First sensing electrode row 710 and the second sensing electrode each electrode of arranging 720 respectively on pick out substrate downwards.
In the middle of the embodiment shown in Fig. 7 B, refer again to the embodiment of Figure 1B, in the first sensing electrode row 710, comprise the multiple sensing electrode unit 110 shown in Figure 1B.And also comprise the multiple sensing electrode unit 110 shown in Figure 1B in the second sensing electrode row 720.First sensing electrode row 710 and the second sensing electrode each electrode of arranging 720 respectively on pick out substrate downwards.
In the middle of the embodiment shown in Fig. 7 C, refer again to the embodiment of Fig. 2, in the first sensing electrode row 710, comprise the multiple sensing electrode unit 210 shown in Fig. 2.And also comprise the multiple sensing electrode unit 210 shown in Fig. 2 in the second sensing electrode row 720.First sensing electrode row 710 and the second sensing electrode each electrode of arranging 720 respectively on pick out substrate downwards.
In the middle of the embodiment shown in Fig. 7 D, refer again to the embodiment of Figure 1A to Fig. 3, comprise the multiple sensing electrode unit 210 shown in Fig. 2 in first sensing electrode row 710, the sensing electrode unit 110 shown in Figure 1A or Figure 1B can be comprised respectively at the edge of the first sensing electrode row 710.And also comprise the multiple sensing electrode unit 210 shown in Fig. 2 in the second sensing electrode row 720, the sensing electrode unit 110 shown in Figure 1A or Figure 1B can be comprised respectively at the edge of the second sensing electrode row 720.First sensing electrode row 710 and the second sensing electrode each electrode of arranging 720 respectively on pick out substrate downwards.
In the middle of the embodiment shown in Fig. 7 E, refer again to the embodiment of Fig. 4 A, in the first sensing electrode row 710, comprise the multiple sensing electrode unit 410 shown in Fig. 4 A.And also comprise the multiple sensing electrode unit 410 shown in Fig. 4 A in the second sensing electrode row 720.First sensing electrode row 710 and the second sensing electrode each electrode of arranging 720 respectively on pick out substrate downwards.
In the middle of the embodiment shown in Fig. 7 F, refer again to the embodiment of Fig. 4 B, in the first sensing electrode row 710, comprise the multiple sensing electrode unit 410 shown in Fig. 4 B.And also comprise the multiple sensing electrode unit 410 shown in Fig. 4 B in the second sensing electrode row 720.First sensing electrode row 710 and the second sensing electrode each electrode of arranging 720 respectively on pick out substrate downwards.
In the middle of the embodiment shown in Fig. 7 G, refer again to the embodiment of Fig. 5 A, in the first sensing electrode row 710, comprise the multiple sensing electrode unit 510 shown in Fig. 5 A.And also comprise the multiple sensing electrode unit 510 shown in Fig. 5 A in the second sensing electrode row 720.First sensing electrode row 710 and the second sensing electrode each electrode of arranging 720 respectively on pick out substrate downwards.
In the middle of the embodiment shown in Fig. 7 H, refer again to the embodiment of Fig. 5 B, in the first sensing electrode row 710, comprise the multiple sensing electrode unit 510 shown in Fig. 5 B.And also comprise the multiple sensing electrode unit 510 shown in Fig. 5 B in the second sensing electrode row 720.First sensing electrode row 710 and the second sensing electrode each electrode of arranging 720 respectively on pick out substrate downwards.
Described in total upper, in the middle of the embodiment shown in Fig. 7 A to Fig. 7 H, two parallel sensing electrode rows can be comprised.Multiple sensing electrode unit is comprised in each sensing electrode row, each sensing electrode unit can comprise one first electrode corresponding to shape and one second electrode, and one the 3rd electrode, wherein this three electrode one side that is that be parallel to this first electrode at least partially and this second electrode.
Claims (15)
1. a sensing electrode unit, repeated arrangement is to form the some of sensing electrode, and this sensing electrode unit comprises:
First electrode;
Shape corresponds to the second electrode of this first electrode; And
3rd electrode, wherein this three electrode at least one part be parallel to this first electrode and one side of this second electrode.
2. sensing electrode unit as claimed in claim 1, is characterized in that, this first electrode and each self-contained mutually perpendicular two limits of this second electrode.
3. sensing electrode unit as claimed in claim 2, is characterized in that, the distance of this 3rd electrode at least partially and this first electrode equals this 3rd electrode at least partially and the distance of this second electrode.
4. sensing electrode unit as claimed in claim 1, it is characterized in that, this three electrode remainder distributes along the another side of this second electrode.
5. sensing electrode unit as claimed in claim 1, it is characterized in that, this first electrode and each self-contained mutually perpendicular two limits of this second electrode, one border of this first electrode is parallel to each other corresponding with a border of this second electrode, and the 3rd electrode distributes along this border of this first electrode and this border of this second electrode.
6. sensing electrode unit as claimed in claim 5, it is characterized in that, the distance of the 3rd electrode and this first electrode equals the distance of the 3rd electrode and this second electrode.
7. sensing electrode unit as claimed in claim 1, is characterized in that, the 3rd electrode is along the mutually perpendicular both sides distribution of this sensing electrode unit.
8. sensing electrode unit as claimed in claim 1, is characterized in that, the 3rd electrode for detecting noise, to deduct noise in the multiple sensed quantity detected from this first electrode and this second electrode.
9. sensing electrode unit as claimed in claim 1, it is characterized in that, each angle of this three electrode shape is all more than or equal to right angle.
10. sensing electrode unit as claimed in claim 1, it is characterized in that, this first electrode, this second electrode, the 3rd electrode connect the first wire, the second wire and privates via the same direction of this sensing electrode unit respectively.
11. 1 kinds of sensing electrodes, comprise:
First sensing electrode unit, more comprises:
First electrode;
Shape corresponds to the second electrode of the first electrode; And
3rd electrode, wherein this three electrode at least one part be parallel to this first electrode and one side of this second electrode; And
Second sensing electrode unit, more comprises:
Shape is different from the 4th electrode of this first electrode and this second electrode;
Shape corresponds to the 5th electrode of the 4th electrode; And
6th electrode, wherein at least one part of the 6th electrode be parallel to the 4th electrode and one side of the 5th electrode.
12. 1 kinds of sensing electrodes, comprise:
First sensing electrode row, comprises multiple first sensing electrode unit; And
Be parallel to the second sensing electrode row of this first sensing electrode row, comprise multiple first sensing electrode unit, wherein this first sensing electrode unit comprises:
First electrode;
Shape corresponds to the second electrode of this first electrode; And
3rd electrode, wherein this three electrode one side that is that be parallel to this first electrode at least partially and this second electrode.
13. sensing electrodes as claimed in claim 12, it is characterized in that, this first sensing electrode row more comprises at least the second sensing electrode unit, and this second sensing electrode row more comprises at least one this second sensing electrode unit, and wherein this second sensing electrode unit comprises:
Shape is different from the 4th electrode of this first electrode and this second electrode;
Shape corresponds to the 5th electrode of the 4th electrode; And
6th electrode, wherein at least one part of the 6th electrode be parallel to the 4th electrode and one side of the 5th electrode.
14. sensing electrodes as claimed in claim 12, it is characterized in that, each electrode in this first sensing electrode row connects each wire by the first limit of this sensing electrode, and each electrode in this second sensing electrode row connects each wire by the Second Edge of this sensing electrode, and this first limit is relative to this Second Edge.
15. sensing electrodes as claimed in claim 12, is characterized in that, the 3rd electrode for detecting noise, to deduct noise in the multiple sensed quantity detected from this first electrode and this second electrode.
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| US20130181942A1 (en) * | 2012-01-12 | 2013-07-18 | Synaptics Incorporated | Single layer capacitive imaging sensors |
| CN103246377A (en) * | 2012-02-01 | 2013-08-14 | 安浙触控科技有限公司 | Improved touch panel structure |
| CN103279245A (en) * | 2013-06-06 | 2013-09-04 | 敦泰科技有限公司 | Touch display device |
| CN103309535A (en) * | 2013-06-06 | 2013-09-18 | 敦泰科技有限公司 | Capacitive touch screen |
| CN203673455U (en) * | 2014-01-28 | 2014-06-25 | 晨星半导体股份有限公司 | Sensing electrode and sensing electrode units |
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2014
- 2014-01-28 CN CN201410042390.9A patent/CN104808826B/en not_active Expired - Fee Related
Patent Citations (8)
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| TW200926594A (en) * | 2007-08-26 | 2009-06-16 | Qrg Ltd | Capacitive sensor with reduced noise |
| CN102207644A (en) * | 2010-03-30 | 2011-10-05 | 乐金显示有限公司 | Color filter array substrate, liquid crystal display device comprising the same, and method for manufacturing the same |
| US20130181942A1 (en) * | 2012-01-12 | 2013-07-18 | Synaptics Incorporated | Single layer capacitive imaging sensors |
| CN103246377A (en) * | 2012-02-01 | 2013-08-14 | 安浙触控科技有限公司 | Improved touch panel structure |
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