CN105353911A - Electrode structure capable of reducing impedance of touch control panel - Google Patents
Electrode structure capable of reducing impedance of touch control panel Download PDFInfo
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- CN105353911A CN105353911A CN201510808095.4A CN201510808095A CN105353911A CN 105353911 A CN105353911 A CN 105353911A CN 201510808095 A CN201510808095 A CN 201510808095A CN 105353911 A CN105353911 A CN 105353911A
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- indium
- tin oxide
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- oxide electrode
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Abstract
The invention provides an electrode structure capable of reducing the impedance of a touch control panel. The electrode structure comprises an indium tin oxide (ITO) electrode assembly and a conductive electrode body assembly, wherein the ITO electrode assembly is provided with a first surface and a second surface, the area of the ITO electrode assembly located on the first surface is larger than the area of the ITO electrode assembly located on the second surface, the conductive electrode body assembly is provided with a first plane and a second plane, the area of the conductive electrode body assembly located on the first plane is larger than the area of the conductive electrode body assembly located on the second plane, and the conductive electrode body assembly is connected with the ITO electrode assembly. Through the above structure, another conductive material covers the ITO electrode assembly by means of a principle of dual conductors superimposed and parallelly-connected, and the impedance of an electrode circuit of the touch control panel can be effectively reduced.
Description
Technical field
The present invention, about a kind of contact panel electrode structure, refers to a kind of indium-tin oxide electrode structure that effectively can reduce the electrode circuit impedance of contact panel especially.
Background technology
Current contact panel electrode many uses tin indium oxide (ITO) transparent electrical pole piece, as shown in Figure 1, indium-tin oxide electrode structure 1 comprises: the first indium-tin oxide electrode body 13, second indium-tin oxide electrode body 14, 3rd indium-tin oxide electrode body 15 and the 4th indium-tin oxide electrode body 16, these indium-tin oxide electrode bodies have first surface 11 and second surface 12 respectively, and this first indium-tin oxide electrode body 13 is connected with this second indium-tin oxide electrode body 14 through the first connection pontic 17, 3rd indium-tin oxide electrode body 15 connects pontic 18 through second and is connected with the 4th indium-tin oxide electrode body 16.In general, the electrode impedance of indium-tin oxide electrode sheet is many between 45 ohm (Ω) to 150 ohm (Ω), touch panel function to be embedded into the technology (On-cell) between colored filter substrate and Polarizer, the thickness of indium-tin oxide electrode is increased in order to make the impedance of indium-tin oxide electrode face decline, but still it is too high to be limited to impedance, be therefore main mainly with small size.
With single thin layer membrane type electric capacity (GF) and bilayer film formula electric capacity (GFF) technology, except importing metal grill, development ... replace outside tin indium oxide Deng new material, its impedance of electrode slice material of current pure zirconia indium tin is still higher, is therefore unfavorable for that middle large touch panel develops.
And though metal grill has Low ESR advantage, because needing the existence considering unauspicious effect (Moireeffect), therefore limit to some extent in design.
Therefore existing indium tin oxide transparency electrode has the higher problem of impedance still cannot effectively solve, make the contact panel signal of middle large scale excessively need be dependent on touch-control transistor (IC), still need to be improved.
Summary of the invention
Because the shortcoming that the above-mentioned contact panel impedance mentioned is higher, inventor adheres to excelsior kindhearted motivation, the electrode structure that one can reduce contact panel impedance is proposed, utilize two electric conductor superposition principle of parallel, another conductive material is covered on indium-tin oxide electrode, effectively can reduces the impedance of contact panel electrode circuit.
In order to achieve the above object, the present invention takes following technological means to be reached, wherein, the electrode structure that can reduce contact panel impedance of the present invention, it includes: a tin indium oxide (ITO) electrode group, there is a first surface and a second surface, and this indium-tin oxide electrode group of area ratio area be positioned on this second surface that this indium-tin oxide electrode group is positioned on this first surface is large, this indium-tin oxide electrode group more includes: one first indium-tin oxide electrode body, one second indium-tin oxide electrode body, one the 3rd indium-tin oxide electrode body and one the 4th indium-tin oxide electrode body, wherein this first indium-tin oxide electrode body is connected with this second indium-tin oxide electrode body through one first connection pontic, 3rd indium-tin oxide electrode body connects pontic through one second and is connected with the 4th indium-tin oxide electrode body, and this second connects pontic roughly first to be connected pontic perpendicular with this, one conductive electrode body group, there is one first plane and one second plane, and the area that the area ratio that this conductive electrode body group is positioned at this first plane is positioned at this second plane is large, this conductive electrode body group more includes four conductive electrode bodies, and these conductive electrode bodies are connected with this first indium-tin oxide electrode body, this second indium-tin oxide electrode body, the 3rd indium-tin oxide electrode body and the 4th indium-tin oxide electrode body respectively.
Accompanying drawing explanation
Fig. 1 is the indium-tin oxide electrode structural representation of prior art contact panel;
Fig. 2 a is the structural representation of first embodiment of the invention;
Fig. 2 b is the structural representation of second embodiment of the invention;
Fig. 2 c is the structural representation of third embodiment of the invention;
Fig. 2 d is the structural representation of fourth embodiment of the invention;
Fig. 3 is the indium-tin oxide electrode structural resistance schematic diagram of prior art contact panel;
Fig. 4 is the indium-tin oxide electrode structural resistance schematic diagram of contact panel of the present invention.
Drawing reference numeral illustrates:
Electrode structure 1,1a
Indium-tin oxide electrode group 10
First surface 11
Second surface 12
First indium-tin oxide electrode body 13
Second indium-tin oxide electrode body 14
3rd indium-tin oxide electrode body 15
4th indium-tin oxide electrode body 16
First connects pontic 17
Second connects pontic 18
Isolated body 19
Conductive electrode body group 2
First plane 21
Second plane 22
Conductive electrode body 23
First thickness t1
Second thickness t2
Impedance R
1, R
2
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
For reaching above-mentioned purpose and effect, the technological means that the present invention adopted and structure, with regard to present pre-ferred embodiments, hereby drawing illustrates that its features and functions is as follows in detail, understand completely in order to do profit, but it is noted that, these contents do not form restriction of the present invention.
Refer to shown in Fig. 2 a, it can reduce the structural representation of electrode structure first embodiment of contact panel impedance for the present invention.The invention provides the electrode structure 1a that one can reduce contact panel impedance, it includes: a tin indium oxide (ITO) electrode group 10 and a conductive electrode body group 2.
This indium-tin oxide electrode group 10 has first surface 11 and a second surface 12, at a distance of one first thickness t1 between this first surface 11 and this second surface 12, and this indium-tin oxide electrode group 10 of area ratio area be positioned on this second surface 12 that this indium-tin oxide electrode group 10 is positioned on this first surface 11 is large.This indium-tin oxide electrode group 10 more includes one first indium-tin oxide electrode body 13,1 second indium-tin oxide electrode body 14, the 3rd indium-tin oxide electrode body 15 and one the 4th indium-tin oxide electrode body 16, wherein this first indium-tin oxide electrode body 13 is connected with this second indium-tin oxide electrode body 14 through one first connection pontic 17,3rd indium-tin oxide electrode body 15 connects pontic 18 through one second and is connected with the 4th indium-tin oxide electrode body 16, and this second connection pontic 18 is roughly with this, and first to be connected pontic 17 perpendicular.Preferably, this second connects pontic 18 and first is connected between pontic 17 has an isolated body 19 with this, both isolating.In addition, sometimes impedance can be changed by the size of this first thickness of adjustment t1.
This conductive electrode body group 2 has one first plane 21 and one second plane 22, at a distance of one second thickness t2 between this first plane 21 and this second plane 22, this conductive electrode body group 2 more includes four conductive electrode bodies 23, these conductive electrode bodies 23 respectively with this first indium-tin oxide electrode body 13, this the second indium-tin oxide electrode body 14, 3rd indium-tin oxide electrode body 15 and the 4th indium-tin oxide electrode body 16 are connected, turn-on effect both hindering without any insulation course in the middle of both, and the area that the area ratio that each this conductive electrode body 23 is positioned at this first plane 21 is positioned at this second plane 22 is large.Wherein, second plane 22 of this conductive electrode body 23 is posted by connecting mutually with the first surface 11 of this indium-tin oxide electrode group 10 respectively (such as illustrated first indium-tin oxide electrode body 13), and this first surface 11 of the area ratio of this second plane 22 is little, the ratio of the area of this first surface 11 and the area of this second plane 22 is greater than 50 number percents (%).Preferably, this conductive electrode body group 2 material comprises development, Graphene, metal grill are above-mentioned arbitrary.In addition, sometimes impedance can be changed by the size of this second thickness of adjustment t2.
In an embodiment of the present invention, the face resistance per unit sectional area of this indium-tin oxide electrode group 10 and this conductive electrode body group 2 is less than 250 ohm (Ω).
Shown in Fig. 2 b, it can reduce the structural representation of electrode structure second embodiment of contact panel impedance for the present invention.Second embodiment of the invention is roughly the same with the first example structure, it is characterized in that, second plane 22 of this conductive electrode body 23 is posted by connecting mutually with the second surface 12 of this indium-tin oxide electrode group 10 respectively (such as illustrated first indium-tin oxide electrode body 13), and this second surface 12 of the area ratio of this second plane 22 is large, the ratio of the area of this second plane 22 and the area of this second surface 12 is greater than 50 number percents (%).
Shown in Fig. 2 c, it can reduce the structural representation of electrode structure the 3rd embodiment of contact panel impedance for the present invention.Third embodiment of the invention is roughly the same with the first example structure, it is characterized in that, second plane 22 of this conductive electrode body 23 is posted by connecting mutually with the second surface 12 of this indium-tin oxide electrode group 10 respectively (such as illustrated first indium-tin oxide electrode body 13), and this second surface 12 of the area ratio of this second plane 22 is little, the ratio of the area of this second surface 12 and the area of this second plane 22 is greater than 50 number percents (%).
Refer to shown in Fig. 2 d, it can reduce the structural representation of electrode structure the 4th embodiment of contact panel impedance for the present invention.Fourth embodiment of the invention is roughly the same with the first example structure, it is characterized in that, first plane 21 of this conductive electrode body 23 is posted by connecting mutually with the second surface 12 of this indium-tin oxide electrode group 10 respectively (such as illustrated first indium-tin oxide electrode body 13), and this second surface 12 of the area ratio of this first plane 21 is large, the ratio of the area of this first plane 21 and the area of this second surface 12 is greater than 50 number percents (%).
Shown in Fig. 3 and Fig. 4, it is respectively the indium-tin oxide electrode structural resistance schematic diagram of prior art contact panel and the indium-tin oxide electrode structural resistance schematic diagram of contact panel of the present invention.Can find out by diagram, when this indium-tin oxide electrode group 10 of hypothesis and this conductive electrode body group 2 contact area equal, and the total resistance of this indium-tin oxide electrode group 10 and this conductive electrode body group 2 is respectively R
1and R
2time, in prior art, its total resistance of indium-tin oxide electrode structure 1 is R
1, and the present invention is about R because of its electrode structure of the effect in parallel 1a total resistance between resistance
11/2nd.
Comprehensively above-mentioned, can find out that the present invention utilizes two electric conductor superposition principle of parallel, another conductive material is covered on indium-tin oxide electrode, effectively can reduces the impedance of contact panel electrode circuit, solve the problem that existing indium tin oxide transparency electrode impedance is higher.
Through above-mentioned detailed description, fully showing the progressive that the present invention has enforcement, and be new invention not seen before, meet patent of invention important document completely, files an application in whence in accordance with the law.Only the foregoing is only preferred embodiment of the present invention, when can not in order to limit scope of the invention process, that is the equalization change done according to the scope of the claims of the present invention with modify, all should belong in scope that patent of the present invention contains.
Claims (10)
1. can reduce an electrode structure for contact panel impedance, it is characterized in that, it includes:
One indium-tin oxide electrode group, there is a first surface and a second surface, and this indium-tin oxide electrode group to be positioned at the area that this indium-tin oxide electrode group of area ratio on this first surface is positioned on this second surface large, this indium-tin oxide electrode group more includes: one first indium-tin oxide electrode body, one second indium-tin oxide electrode body, one the 3rd indium-tin oxide electrode body and one the 4th indium-tin oxide electrode body, wherein this first indium-tin oxide electrode body is connected with this second indium-tin oxide electrode body through one first connection pontic, 3rd indium-tin oxide electrode body connects pontic through one second and is connected with the 4th indium-tin oxide electrode body, and this second connects pontic roughly first to be connected pontic perpendicular with this,
One conductive electrode body group, there is one first plane and one second plane, and the area that the area ratio that this conductive electrode body group is positioned at this first plane is positioned at this second plane is large, this conductive electrode body group more includes four conductive electrode bodies, and these conductive electrode bodies are connected with this first indium-tin oxide electrode body, this second indium-tin oxide electrode body, the 3rd indium-tin oxide electrode body and the 4th indium-tin oxide electrode body respectively.
2. can reduce the electrode structure of contact panel impedance as claimed in claim 1, it is characterized in that, this second connects pontic and first is connected between pontic with this and has an isolated body.
3. can reduce the electrode structure of contact panel impedance as claimed in claim 1, it is characterized in that, this second plane is posted by connecting mutually with this first surface, and the area of this first surface of area ratio of this second plane is little, and the area of this first surface is greater than 1.5 times of the area of this second plane.
4. can reduce the electrode structure of contact panel impedance as claimed in claim 1, it is characterized in that, this second plane is posted by connecting mutually with this second surface, and this second surface of the area ratio of this second plane is large, and the area of this second plane is greater than 1.5 times of the area of this second surface.
5. can reduce the electrode structure of contact panel impedance as claimed in claim 1, it is characterized in that, this second plane is posted by connecting mutually with this second surface, and this second surface of the area ratio of this second plane is little, and the area of this second surface is greater than 1.5 times of the area of this second plane.
6. can reduce the electrode structure of contact panel impedance as claimed in claim 1, it is characterized in that, this first plane is posted by connecting mutually with this second surface, and this second surface of the area ratio of this first plane is large, and the area of this first plane is greater than 1.5 times of the area of this second surface.
7. can reduce the electrode structure of contact panel impedance as claimed in claim 1, it is characterized in that, at a distance of one first thickness t1 between this first surface and this second surface.
8. can reduce the electrode structure of contact panel impedance as claimed in claim 1, it is characterized in that, this first plane and this second interplanar are at a distance of one second thickness t2.
9. can reduce the electrode structure of contact panel impedance as claimed in claim 1, it is characterized in that, the face resistance per unit sectional area of this indium-tin oxide electrode group and this conductive electrode body group is less than 250 ohm.
10. can reduce the electrode structure of contact panel impedance as claimed in claim 1, it is characterized in that, this conductive electrode body group material comprises development, Graphene, metal grill are above-mentioned arbitrary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510808095.4A CN105353911A (en) | 2015-11-19 | 2015-11-19 | Electrode structure capable of reducing impedance of touch control panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510808095.4A CN105353911A (en) | 2015-11-19 | 2015-11-19 | Electrode structure capable of reducing impedance of touch control panel |
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| CN105353911A true CN105353911A (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510808095.4A Pending CN105353911A (en) | 2015-11-19 | 2015-11-19 | Electrode structure capable of reducing impedance of touch control panel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108803938A (en) * | 2018-07-18 | 2018-11-13 | 深圳市华星光电技术有限公司 | A kind of metal grill touch panel and intelligent terminal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011103289A (en) * | 2009-10-13 | 2011-05-26 | Toyobo Co Ltd | Transparent conductive laminated film, transparent conductive laminated sheet, and touch panel |
| CN103164058A (en) * | 2011-12-09 | 2013-06-19 | 上海天马微电子有限公司 | touch screen, color filter substrate and liquid crystal display |
| 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 |
-
2015
- 2015-11-19 CN CN201510808095.4A patent/CN105353911A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011103289A (en) * | 2009-10-13 | 2011-05-26 | Toyobo Co Ltd | Transparent conductive laminated film, transparent conductive laminated sheet, and touch panel |
| CN103164058A (en) * | 2011-12-09 | 2013-06-19 | 上海天马微电子有限公司 | touch screen, color filter substrate and liquid crystal display |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108803938A (en) * | 2018-07-18 | 2018-11-13 | 深圳市华星光电技术有限公司 | A kind of metal grill touch panel and intelligent terminal |
| CN108803938B (en) * | 2018-07-18 | 2021-07-27 | Tcl华星光电技术有限公司 | Metal grid touch panel and intelligent terminal |
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