CN102096514B - Touch control panel - Google Patents
Touch control panel Download PDFInfo
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- CN102096514B CN102096514B CN201110044582.XA CN201110044582A CN102096514B CN 102096514 B CN102096514 B CN 102096514B CN 201110044582 A CN201110044582 A CN 201110044582A CN 102096514 B CN102096514 B CN 102096514B
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Abstract
The invention relates to a touch control panel comprising a base panel, a plurality of first bridging wires, an insulating layer, a plurality of conducting columns, a plurality of second bridging wires, a plurality of first sensing pads, a plurality of second sensing pads, a mesh electrode and a plurality of discharge electrodes, wherein the insulating layer is arranged on the base panel and covers the first bridging wires and the base panel; the conducting columns are connected between the first sensing pads and the first bridging wires; the second bridging wires, the first sensing pads, the second sensing pads, the mesh electrode and the discharge electrodes are all configured on the insulating layer; and each second bridging wire is connected between two adjacent second sensing pads; the first sensing pads and the second sensing pads are respectively positioned in grids of the mesh electrode and electrically insulated from the mesh electrode; and each discharge electrode is connected with the mesh electrode and positioned between two adjacent first sensing pads and between two adjacent second sensing pads.
Description
Technical field
The invention relates to a kind of contact panel, and particularly relevant for a kind of can any enhanced protection static discharge (Electrostatic Discharge, ESD) contact panel of ability.
Background technology
Contact panel is a kind of common input media (input device), it can be used for controlling mobile phone, personal digital aid (PDA) (Personal Digital Assistant, PDA), the electronic equipment (electronic equipment) such as global location omniselector (Global Positioning System navigation, GPS navigation) and computing machine.Generally speaking, contact panel has a touch surface, and comprises the bridging line (bridge) of a plurality of sensor pads and a plurality of these sensor pads of connection.
As user by finger or pointer (stylus) to touch surface contact, and while moving in touch surface, these sensor pads can be detected and point or position and the movement of pointer in touch surface.According to finger or position and the movement of pointer in touch surface, user is seen through contact panel and is carried out operating electronic equipment, for example the shown cursor (cursor) of the screen of mobile electronic device.
Yet, when user carrys out operating electronic equipment with contact panel, easily there is static discharge (Electrostatic Discharge, ESD), to such an extent as to bridging line is easily by electrostatic breakdown, thus the line broken circuit between two sensor pads that cause being originally electrically connected to each other.This can cause contact panel that malfunctioning or erroneous judgement occurs when running, even makes contact panel be forced to abandon.
Summary of the invention
The invention provides a kind of contact panel, it can reduce bridging line by the chance of electrostatic breakdown.
The present invention proposes a kind of contact panel, and it comprises a substrate, many first bridging lines, an insulation course, a plurality of conductive pole, many second bridging lines, a plurality of the first sensor pad, a plurality of the second sensor pad, a mesh electrode and a plurality of sparking electrodes.These first bridging lines are disposed on substrate.Insulation course is disposed on substrate, and covers these the first bridging lines.These conductive poles are disposed in insulation course, and each first bridging line connects adjacent two conductive poles.These second bridging lines are disposed on insulation course, and staggered with these first bridging lines respectively.These first sensor pads are disposed on insulation course, and connect these conductive poles, and wherein each first bridging line is between adjacent two the first sensor pads.These second sensor pads are disposed on insulation course, and each second bridging line is connected between adjacent two the second sensor pads.Mesh electrode is disposed on insulation course, and has a plurality of grids.These grids are arrayed.These first sensor pads and these the second sensor pads lay respectively in these grids, and these first sensor pads and these the second sensor pads are all electrically insulated with mesh electrode.These sparking electrodes are disposed on insulation course, and connect mesh electrode.Each sparking electrode is between adjacent two the first sensor pads and between adjacent two the second sensor pads.
In one embodiment of this invention, these first bridging lines are all extended along a first direction, and these second bridging lines are all extended along a second direction, and wherein first direction is vertical with second direction.
In one embodiment of this invention, each first bridging line is between adjacent two sparking electrodes.
In one embodiment of this invention, each second bridging line is between adjacent two sparking electrodes.
In one embodiment of this invention, some of them the first sensor pad and some the second sensor pads the two be shaped as rhombus, and other first sensor pads and other the second sensor pads the two be shaped as triangle.
In one embodiment of this invention, each first sensor pad has three above First Line edges, and each second sensor pad has three the second above line edges.Wherein four the second line edges are around first sensor pad, and wherein four First Line edges around second sensor pad.
In one embodiment of this invention, above-mentioned contact panel also comprises a plurality of sparking electrodes of wanting for the first time.These want sparking electrode to be disposed on insulation course for the first time, and connect mesh electrode.Each wants sparking electrode for the first time between First Line edge and the second line edge of being adjacent.
In one embodiment of this invention, above-mentioned contact panel also comprises a plurality of sparking electrodes of wanting for the second time.These want sparking electrode to be disposed on insulation course for the second time, and connect these First Line edges and these the second line edges.Each wants sparking electrode also at adjacent two, to want for the second time between sparking electrode for the first time.
In one embodiment of this invention, above-mentioned contact panel also comprises a plurality of auxiliary discharge electrodes.These auxiliary discharge electrodes are disposed on insulation course, and connect mesh electrode, wherein each auxiliary discharge electrode is between adjacent two the first sensor pads, between adjacent two the second sensor pads, wherein between two the first bridging lines and wherein between two the second bridging lines.
In one embodiment of this invention, some of them auxiliary discharge electrode be shaped as rhombus, other auxiliary discharge electrodes be shaped as triangle.
Based on above-mentioned, by above-mentioned mesh electrode and sparking electrode, the present invention can produce many and can impel charge discharge in the first sensor pad and the second sensor pad to the discharge path of mesh electrode or sparking electrode.So, can reduce the first sensor pad, the second sensor pad, the first bridging line and the second bridging line by the chance of electrostatic breakdown, to strengthen the ability of contact panel preventing electro-static discharge, and then improve production reliability.
For above-mentioned feature and advantage of the present invention can be become apparent, preferred embodiment cited below particularly, and coordinate appended graphicly, be described in detail below.
Accompanying drawing explanation
Figure 1A is the schematic top plan view of the contact panel of one embodiment of the invention.
Figure 1B is the local enlarged diagram of contact panel in Figure 1A.
Fig. 2 is the diagrammatic cross-section that in Figure 1B, I-I section along the line is drawn.
Embodiment
Figure 1A is the schematic top plan view of the contact panel of one embodiment of the invention, and Figure 1B is the local enlarged diagram of contact panel in Figure 1A, and Fig. 2 is the diagrammatic cross-section that in Figure 1B, I-I section along the line is drawn.Refer to Figure 1A, Figure 1B and Fig. 2, contact panel 100 comprises a substrate 110, an insulation course 120, a plurality of the first sensor pad 131, a plurality of the second sensor pad 132, many first bridging lines 141, many second bridging lines 142, a plurality of conductive pole 150, a mesh electrode 160 and a plurality of sparking electrodes 170.
These conductive poles 150 are disposed in insulation course 120, and connect these the first sensor pads 131 and these first bridging lines 141, and wherein each first bridging line 141 connects adjacent two conductive poles 150, and between adjacent two the first sensor pads 131.See through conductive pole 150 and the first bridging line 141, adjacent two the first sensor pads 131 are electrically connected to each other.
Because the second bridging line 142 is all disposed on insulation course 120, so insulation course 120 is between the first bridging line 141 and the second bridging line 142.From Figure 1A and Figure 1B, these second bridging lines 142 are staggered with these first bridging lines 141 respectively, so the second bridging line 142 and the first bridging line 141 parts overlap.In addition, each second bridging line 142 is connected between adjacent two the second sensor pads 132, and sees through these second bridging lines 142, and adjacent two the second sensor pads 132 are electrically connected to each other.
When user is by finger or pointer while operating contact panel 100, finger or pointer can approach some first sensor pad 131 and some second sensor pad 132, thereby change the two capacitance of these first sensor pads 131 and the second sensor pad 132.According to the change of above-mentioned capacitance, contact panel 100 can be learnt position and the movement of finger or pointer, allows user can carry out via contact panel 100 electronic equipments such as operating handset, personal digital aid (PDA), global location omniselector or computing machine.For example, user can see through the shown cursor of screen that contact panel 100 carrys out mobile electronic device.
It is worth mentioning that, although adjacent two the first sensor pads 131 are electrically connected to each other, adjacent two the second sensor pads 132 are electrically connected to each other, but these first sensor pads 131 are not directly electrically connected each other with these second sensor pads 132, so, substantially, the sensing signal that the first sensor pad 131 is exported can't be received by the second sensor pad 132, and the sensing signal that the second sensor pad 132 is exported can not received by the first sensor pad 131 yet.
These first bridging lines 141 are all extended along a first direction X1, and these second bridging lines 142 are all extended along a second direction X2, wherein first direction X1 is vertical with second direction X2, so the trend of the first bridging line 141 is substantially vertical with the trend of the second bridging line 142.Take Figure 1A and Figure 1B as example, and first direction X1 is vertical direction, and second direction X2 is horizontal direction, so the first bridging line 141 is perpendicular to horizontal line substantially, and the second bridging line 142 is to be parallel to horizontal line substantially.
The two shape of the first sensor pad 131 and the second sensor pad 132 can be mutually the same, and these first sensor pads 131 can have various shape with these second sensor pads 132.Take Figure 1A and Figure 1B as example, the two shape of some first sensor pads 131 and some second sensor pads 132 can be rhombus, and the two shape of other first sensor pads 131 and other the second sensor pads 132 can be triangle, wherein be positioned at the two shape of some first sensor pads 131 at contact panel frontside edge E1 place and the second sensor pad 132 and be all triangle, the two shape of other first sensor pad 131 and the second sensor pad 132 is all rhombus.
Because the two shape of the first sensor pad 131 and the second sensor pad 132 can be rhombus or triangle, so each first sensor pad 131 has three above First Line edge L1, and each second sensor pad 132 has three the second above line edge L2.Specifically, the two has respectively three First Line edge L1 and three the second line edge L2 to be shaped as leg-of-mutton the first sensor pad 131 and the second sensor pad 132, the two has respectively four First Line edge L1 and four the second line edge L2 to be shaped as the first sensor pad 131 of rhombus and the second sensor pad 132, as shown in Figure 1A and Figure 1B.
Among these are shaped as first sensor pad 131 and the second sensor pad 132 of rhombus, wherein four the second line edge L2 are around first sensor pad 131, and wherein four First Line edge L1 around second sensor pad 132.Specifically, the second line edge L2 of respectively corresponding four second sensor pads 132 of four First Line edge L1 of first sensor pad 131, and the First Line edge L1 of four respectively corresponding four the first sensor pads 131 of the second line edge L2 of second sensor pad 132, therefore first sensor pad 131 that is shaped as rhombus is surrounded by four the second adjacent sensor pads 132, and second sensor pad 132 that is shaped as rhombus is surrounded by four the first adjacent sensor pads 131.
These sparking electrodes 170 connect mesh electrodes 160, so sparking electrode 170 is all electrically connected mesh electrode 160, and are also all electrically insulated with the first sensor pad 131 and the second sensor pad 132.Each sparking electrode 170 is between adjacent two the first sensor pads 131 and between adjacent two the second sensor pads 132.Take Figure 1B as example, adjacent four sparking electrodes 170 be positioned at 132 of adjacent two the first sensor pads 131 and adjacent two the second sensor pads around region R1, and be arranged in two and take advantage of two arrays, wherein each first bridging line 141 is between adjacent two sparking electrodes 170, and each second bridging line 142 is between adjacent two sparking electrodes 170.
Based on mesh electrode 160 and these sparking electrodes 170, be all electrically insulated with the first sensor pad 131 and the second sensor pad 132, when contact panel 100 running, the two voltage of mesh electrode 160 and sparking electrode 170 is not equal to the two voltage of the first sensor pad 131 and the second sensor pad 132, thereby can produce many and can impel charge discharge in the first sensor pad 131 and the second sensor pad 132 to the discharge path of mesh electrode 160 or sparking electrode 170, thereby avoid a large amount of electric charge accumulation in the first sensor pad 131 and the second sensor pad 132, reduce by the first sensor pad 131, the second sensor pad 132, the first bridging line 141 and the second bridging line 142 are by the chance of electrostatic breakdown, and then the ability of strengthening contact panel 100 preventing electro-static discharges.
In addition, refer to Figure 1A and Figure 1B, contact panel 100 can also comprise a plurality of sparking electrode 181 and a plurality of sparking electrodes 182 of wanting for the second time wanted for the first time.These are wanted sparking electrode 181 for the first time and want sparking electrode 182 to be all disposed on insulation course 120 for the second time, and wherein these want sparking electrode 181 all to connect mesh electrode 160 for the first time.These want sparking electrode 182 to connect these First Line edge L1 and the second line edge L2 for the second time, and some of them want sparking electrode 182 to connect these First Line edges L1 for the second time, and other want sparking electrode 182 to connect these second lines edge L2 for the second time.
Therefore, these want sparking electrode 181 to be all electrically connected with mesh electrode 160 for the first time, and some want sparking electrode 182 and the first sensor pad 131 to be electrically connected for the second time, and other want sparking electrode 182 and the second sensor pad 132 to be electrically connected for the second time.Yet, because all the first sensor pads 131 and all the second sensor pads 132 are all electrically insulated with mesh electrode 160, therefore want for the first time sparking electrode 181 to be also electrically insulated with wanting for the second time sparking electrode 182.
In the embodiment shown in Figure 1A and Figure 1B, each wants sparking electrode 181 for the first time between adjacent the first sensor pad 131 and the second sensor pad 132, but also between First Line edge L1 and the second line edge L2 of being adjacent.In the first sensor pad 131 and second sensor pad 132 the two adjacent part, want for the second time sparking electrode 182 toward each other for adjacent two, and each wants sparking electrode 181 to want for the second time between sparking electrode 182 at adjacent two for the first time, as shown in Figure 1A and Figure 1B.
In addition, contact panel 100 can also comprise a plurality of auxiliary discharge electrodes 190.These auxiliary discharge electrodes 190 are disposed on insulation course 120, and connect mesh electrode 160.Therefore, these auxiliary discharge electrodes 190 are all electrically connected mesh electrode 160 and want sparking electrode 181 for the first time, but are all electrically insulated with wanting for the second time sparking electrode 182, the first sensor pad 131 and the second sensor pad 132.
From Figure 1A and Figure 1B, each auxiliary discharge electrode 190 is between adjacent two the first sensor pads 131, between adjacent two the second sensor pads 132, wherein between two the first bridging lines 141 and wherein between two the second bridging lines 142.Take Figure 1B as example, auxiliary discharge electrode 190 is positioned at beyond the R1 of region, and be positioned at 132 of adjacent two the first sensor pads 131 and adjacent two the second sensor pads around region R2, so auxiliary discharge electrode 190 is not near the first bridging line 141 and second bridging line 142 the two staggered part.
In addition, the shape of each auxiliary discharge electrode 190 can be rhombus or triangle.Take Figure 1A and Figure 1B as example, some of them auxiliary discharge electrode 190 be shaped as rhombus, and other auxiliary discharge electrodes 190 be shaped as triangle.Specifically, the shape that is positioned at some auxiliary discharge electrodes 190 at contact panel frontside edge E1 place can be all triangle, but the shape of other auxiliary discharge electrode 190 can be all rhombus.
In sum, in contact panel of the present invention, because mesh electrode and sparking electrode are all electrically insulated with the first sensor pad and the second sensor pad, therefore in contact panel running, mesh electrode and sparking electrode can produce many and can impel charge discharge in the first sensor pad and the second sensor pad to the discharge path of mesh electrode or sparking electrode.So, can reduce the first sensor pad, the second sensor pad, the first bridging line and the second bridging line by the chance of electrostatic breakdown, to strengthen the ability of contact panel preventing electro-static discharge, and then improve production reliability.
In addition, contact panel of the present invention can also comprise the sparking electrode of wanting for the first time that connects the first sensor pad and the second sensor pad, and connection mesh electrode want sparking electrode and auxiliary discharge electrode for the second time.Seeing through these wants sparking electrode for the first time, wants sparking electrode and auxiliary discharge electrode for the second time, the present invention can also increase the quantity in charge discharge path, thereby can reduce the first sensor pad and the second sensor pad by the chance of electrostatic breakdown, and then more strengthen the ability of contact panel preventing electro-static discharge, and significantly improve production reliability.
Although the present invention with preferred embodiment openly as above, so it is not in order to limit the present invention, anyly has the knack of alike skill person, and without departing from the spirit and scope of the present invention, institute does to change and the equivalence replacement of retouching, and is still in scope of patent protection of the present invention.
Claims (10)
1. a contact panel, is characterized in that, comprising:
One substrate;
Many the first bridging lines, are disposed on this substrate;
One insulation course, is disposed on this substrate, and covers those the first bridging lines;
A plurality of conductive poles, are disposed in this insulation course, and wherein respectively this first bridging line connects adjacent two these conductive poles;
Many the second bridging lines, are disposed on this insulation course, and staggered with those first bridging lines respectively;
A plurality of the first sensor pads, are disposed on this insulation course, and connect those conductive poles, wherein respectively this first bridging line between adjacent two these first sensor pads;
A plurality of the second sensor pads, are disposed on this insulation course, and wherein respectively this second bridging line is connected between adjacent two these second sensor pads;
One mesh electrode, be disposed on this insulation course, and have a plurality of grids, those grids are arrayed, wherein those first sensor pads and those the second sensor pads lay respectively in those grids, and those first sensor pads and those the second sensor pads are all electrically insulated with this mesh electrode; And
A plurality of sparking electrodes, are disposed on this insulation course, and connect this mesh electrode, wherein respectively this sparking electrode between adjacent two these first sensor pads and between adjacent two these second sensor pads.
2. contact panel as claimed in claim 1, is characterized in that, those first bridging lines are all extended along a first direction, and those second bridging lines are all extended along a second direction, and this first direction is vertical with this second direction.
3. contact panel as claimed in claim 1, is characterized in that, respectively this first bridging line is between adjacent two these sparking electrodes.
4. contact panel as claimed in claim 1, is characterized in that, respectively this second bridging line is between adjacent two these sparking electrodes.
5. contact panel as claimed in claim 1, it is characterized in that, be positioned at some first sensor pads of contact panel edge and some the second sensor pads the two be shaped as triangle, and be not positioned at other first sensor pads of contact panel edge and other the second sensor pads the two be shaped as rhombus.
6. contact panel as claimed in claim 5, it is characterized in that, respectively this first sensor pad has three or four s' First Line edge, and respectively this second sensor pad has the second line edge of three or four, wherein four these the second line edges are around this first sensor pad, and wherein four these First Line edges around this second sensor pad.
7. contact panel as claimed in claim 6, it is characterized in that, also comprise a plurality of sparking electrodes of wanting for the first time, those want sparking electrode to be disposed on this insulation course for the first time, and connect this mesh electrode, respectively this wants sparking electrode for the first time between this First Line edge and this second line edge of being adjacent.
8. contact panel as claimed in claim 7, it is characterized in that, also comprise a plurality of sparking electrodes of wanting for the second time, those want sparking electrode to be disposed on this insulation course for the second time, some of them want sparking electrode to connect those First Line edges for the second time, other want sparking electrode to connect those the second line edges for the second time, respectively this want for the first time sparking electrode also adjacent two this want for the second time between sparking electrode.
9. contact panel as claimed in claim 1, it is characterized in that, also comprise a plurality of auxiliary discharge electrodes, those auxiliary discharge electrodes are disposed on this insulation course, and connect this mesh electrode, wherein respectively this auxiliary discharge electrode between adjacent two these first sensor pads, between adjacent two these second sensor pads, wherein between two these first bridging lines and wherein between two these second bridging lines.
10. contact panel as claimed in claim 9, is characterized in that, be positioned at contact panel edge those auxiliary discharge electrodes be shaped as triangle, those auxiliary discharge electrodes of part is shaped as rhombus in addition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110044582.XA CN102096514B (en) | 2011-02-24 | 2011-02-24 | Touch control panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110044582.XA CN102096514B (en) | 2011-02-24 | 2011-02-24 | Touch control panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102096514A CN102096514A (en) | 2011-06-15 |
| CN102096514B true CN102096514B (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110044582.XA Expired - Fee Related CN102096514B (en) | 2011-02-24 | 2011-02-24 | Touch control panel |
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| Country | Link |
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| CN (1) | CN102096514B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103049145A (en) * | 2011-10-14 | 2013-04-17 | 晨星软件研发(深圳)有限公司 | Mutual capacitive touch induction device and electronic system containing same |
| CN103389814B (en) * | 2012-05-08 | 2016-08-10 | 群康科技(深圳)有限公司 | Touch base plate |
| KR101385438B1 (en) * | 2012-06-12 | 2014-04-15 | 삼성디스플레이 주식회사 | Touch screen panel |
| CN106354320B (en) * | 2016-09-05 | 2020-03-10 | 京东方科技集团股份有限公司 | Touch screen, preparation method thereof and touch display device |
| CN107783699B (en) * | 2017-10-16 | 2021-05-04 | 业成科技（成都）有限公司 | Touch panel structure and manufacturing method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8373664B2 (en) * | 2006-12-18 | 2013-02-12 | Cypress Semiconductor Corporation | Two circuit board touch-sensor device |
| TW200844827A (en) * | 2007-05-11 | 2008-11-16 | Sense Pad Tech Co Ltd | Transparent touch panel device |
| CN101578006B (en) * | 2008-05-08 | 2012-11-28 | 胜华科技股份有限公司 | Electrostatic defending device of touch panel |
| CN101655755B (en) * | 2009-09-17 | 2012-07-18 | 友达光电股份有限公司 | Touch control panel |
| CN101763202A (en) * | 2010-01-12 | 2010-06-30 | 友达光电股份有限公司 | Capacitance type touch display panel and capacitance type touch display substrate |
-
2011
- 2011-02-24 CN CN201110044582.XA patent/CN102096514B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN102096514A (en) | 2011-06-15 |
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Granted publication date: 20140326 |