CN103150053A - Touch panel with static protection function - Google Patents
Touch panel with static protection function Download PDFInfo
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- CN103150053A CN103150053A CN 201310073857 CN201310073857A CN103150053A CN 103150053 A CN103150053 A CN 103150053A CN 201310073857 CN201310073857 CN 201310073857 CN 201310073857 A CN201310073857 A CN 201310073857A CN 103150053 A CN103150053 A CN 103150053A
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- transfer wire
- transparency electrode
- contact panel
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Abstract
The invention provides a touch panel with a static protection function. The touch panel comprises a plurality of first transparent electrodes, a plurality of second transparent electrodes, a static protection structure and a conductor lamination structure, wherein the second transparent electrodes are staggered with the first transparent electrodes; the static protection structure comprises static protection units; each static protection unit comprises a first transmission wire, a second transmission wire and a bridging part; one end of the first transmission wire is electrically connected to one first transparent electrode; the second transmission wire is parallel to the first transmission wire; the bridging part is electrically connected to a ground terminal, bridged to the first transmission wire for forming a first node and bridged to the second transmission wire for forming a second node; and the conductor lamination structure is electrically coupled to the first transmission wire and the second transmission wire. By adopting the touch panel, when the touch panel is applied with a high voltage or a high current, the conductor lamination structure is collapsed in advance, so that static electricity is quickly released to the ground terminal by the first node or the second node of the bridging part, thereby improving the ESD (electro-static discharge) protection performance of a product.
Description
Technical field
The present invention relates to the contact panel technical field, relate in particular to a kind of contact panel of realizing electrostatic defending.
Background technology
Current, the application of contact panel (Touch Panel) is very extensive, for example, personal digital assistant (Personal Digital Assistant, PDA), many occasions such as GPS (Global Positioning System, GPS), visitor's guide system, ATM (Automatic Teller Machine), point-of-sale terminals, industrial control system.
Usually, according to the physical principle of touch panel detection position of touch, mainly be divided into three types, electric resistance touch-control panel, capacitance type touch-control panel and fluctuation-type contact panel.Specifically, the resistance-type panel uses the contact flicking of finger or other objects to produce voltage, capacitive panels presses to produce the variation of capacitance with light finger, and the fluctuation-type panel covers whole surface with sound wave or infrared ray, then blocks standing wave pattern with the contact of finger or object.
As everyone knows, necessary consideration ESD(Electro-Static Discharge on the processing procedure of contact panel, static release) design and protection.In the prior art, contact panel does not comprise semiconductor layer, can't make the ESD guard assembly that is similar to thin film transistor (TFT) (Thin Film Transistor), so that the antistatic protective capacities of contact panel is comparatively weak.For example, when some products being carried out the ESD test, the antistatic protective capacities of nude film is about 1KV～2KV, and the zone that ESD wound mainly concentrates on two conductive layer intersections in transparency electrode bridge (Transparent Electrode Bridge) or plain conductor bridge (Metal Bridge), cause double-deck conductive layer to form short circuit, and then make manufacturer because the underproduction appears in the ESD impact, and reduced processing procedure efficient, aggravated the processing procedure cost.
In view of this, how to design a kind of contact panel of realizing electrostatic defending, thereby when external voltage or electric current excessive when contact panel produces static, static release way fast still can be provided, improving the ESD barrier propterty of product, is a problem needing to be resolved hurrily of person skilled in the industry.
Summary of the invention
At existing defects aspect electrostatic defending, the invention provides contact panel a kind of novelty, that can realize electrostatic defending for the contact panel that exists in prior art.
According to one aspect of the present invention, a kind of contact panel of realizing electrostatic defending is provided, comprising:
The first transparency electrode of a plurality of arrangement in a rows;
The second transparency electrode of a plurality of arrangements in column, described the second transparency electrode and described the first transparency electrode are crisscross arranged;
One electrostatic protection structure comprises a plurality of static protective unit, and each static protective unit comprises:
One first transfer wire, one end are electrically connected to one first transparency electrode;
One second transfer wire is parallel to described the first transfer wire setting, and the one end is electrically connected to described the first transparency electrode; And
One cross-over connection section is electrically connected to an earth terminal, forms a first node and is connected across described the second transmission thereby described cross-over connection section is connected across described the first transfer wire
Thereby wire forms a Section Point, and
One conductor rhythmo structure is electrically coupled to described the first transfer wire and described the second transfer wire;
Wherein, when described contact panel meets with static, allow described conductor rhythmo structure collapse in advance, thereby by first node or the Section Point of described cross-over connection section, static is released into described earth terminal.
Preferably, described cross-over connection section is made of metal material or transparent electrode material.More preferably, described transparent electrode material is tin indium oxide or indium zinc oxide.
Preferably, described electrostatic protection structure is positioned at the metal routing zone of described contact panel outermost.
Preferably, be connected by a plain conductor or transparent electrode material between the first adjacent transparency electrode, connect by this transparent electrode material between the second adjacent transparency electrode.More preferably, described transparent electrode material is tin indium oxide or indium zinc oxide.
According to another aspect of the present invention, a kind of contact panel of realizing electrostatic defending is provided, comprising:
The first transparency electrode of a plurality of arrangement in a rows;
The second transparency electrode of a plurality of arrangements in column, described the second transparency electrode and described the first transparency electrode are crisscross arranged;
One electrostatic protection structure comprises a plurality of static protective unit, and each static protective unit comprises:
One first transfer wire, one end are electrically connected to one first transparency electrode,
One second transfer wire is parallel to described the first transfer wire setting, and the one end is electrically connected to described the first transparency electrode; And
One cross-over connection section, thereby thereby being connected across described the first transfer wire forms a first node and is connected across described the second transfer wire and form a Section Point;
One first conductor rhythmo structure is electrically coupled to described the first transfer wire and described the second transfer wire; And
One second conductor rhythmo structure, one end are electrically coupled to described cross-over connection section, and the other end is electrically connected to an earth terminal,
Wherein, when described contact panel meets with static, allow described the second conductor rhythmo structure collapse in advance, thereby by first node or the Section Point of described cross-over connection section, static is released into described earth terminal.
Preferably, be connected by a plain conductor or transparent electrode material between the first adjacent transparency electrode, connect by this transparent electrode material between the second adjacent transparency electrode.More preferably, described transparent electrode material is tin indium oxide or indium zinc oxide.
Preferably, described contact panel is a capacitance type touch-control panel.
According to another aspect of the present invention, a kind of contact panel of realizing electrostatic defending is provided, comprising:
The first transparency electrode of a plurality of arrangement in a rows;
The second transparency electrode of a plurality of arrangements in column, described the second transparency electrode and described the first transparency electrode are crisscross arranged;
One electrostatic protection structure comprises a plurality of static protective unit, and each static protective unit comprises:
One first transfer wire, one end are electrically connected to one first transparency electrode,
One second transfer wire is parallel to described the first transfer wire setting, and the live width of described the second transfer wire is different from the live width of described the first transfer wire, and an end of described the second transfer wire is electrically connected to described the first transparency electrode; And
One cross-over connection section is connected across described the first transfer wire or the second transfer wire;
One first conductor rhythmo structure is electrically coupled to described the first transfer wire and described the second transfer wire; And
One second conductor rhythmo structure, one end are electrically coupled to described cross-over connection section, and the other end is electrically connected to an earth terminal,
Wherein, when described contact panel meets with static, allow described the second conductor rhythmo structure collapse in advance, thereby by first node or the Section Point of described cross-over connection section, static is released into described earth terminal.
Preferably, described the first transfer wire is corresponding to the electrostatic defending passage, thereby and described cross-over connection section be connected across described the first transfer wire and form a first node.
Preferably, be connected by a plain conductor or transparent electrode material between the first adjacent transparency electrode, connect by this transparent electrode material between the second adjacent transparency electrode.More preferably, described transparent electrode material is tin indium oxide or indium zinc oxide.
adopt the contact panel of realizing electrostatic defending of the present invention, each static protective unit setting is parallel the first transfer wire and the second transfer wire each other, this first transfer wire and the second transfer wire are electrically connected to respectively a conductor rhythmo structure and one first transparency electrode, thereby thereby and the cross-over connection section of this static protective unit is connected across this first transfer wire forms a first node and be connected across this second transfer wire and form a Section Point, when contact panel meets with large voltage or large electric current, allow the conductor rhythmo structure collapse in advance, thereby first node or Section Point by cross-over connection section are released into earth terminal rapidly with static, the ESD barrier propterty of improving product.
Description of drawings
The reader will become apparent various aspects of the present invention after the reference accompanying drawing has been read the specific embodiment of the present invention.Wherein,
Fig. 1 illustrates according to one embodiment of the present invention, a kind of structural representation of realizing the contact panel of electrostatic defending;
Fig. 2 illustrates according to another embodiment of the present invention, a kind of structural representation of realizing the contact panel of electrostatic defending; And
Fig. 3 illustrates according to another embodiment of the invention, a kind of structural representation of realizing the contact panel of electrostatic defending.
Embodiment
For technology contents that the application is disclosed is more detailed and complete, can be with reference to accompanying drawing and following various specific embodiments of the present invention, in accompanying drawing, identical mark represents same or analogous assembly.Yet those of ordinary skill in the art should be appreciated that the embodiment that hereinafter provides limits the scope that the present invention is contained.In addition, accompanying drawing only is used for schematically being illustrated, and does not draw according to its life size.
With reference to the accompanying drawings, the embodiment of various aspects of the present invention is described in further detail.
Fig. 1 illustrates the structural representation according to the contact panel of the electrostatic defending realized of one embodiment of the present invention.
With reference to Fig. 1, contact panel of the present invention such as capacitance type touch-control panel, comprises the second transparency electrode 104 and 106, one static protective unit of first transparency electrode 100 and 102 of a plurality of arrangement in a rows, a plurality of arrangements in column.
Particularly, the first adjacent transparency electrode 100 and 102 consists of one first transparency electrodes pair, and the first transparency electrode 100 is electrically connected to the first transparency electrode 102 by a wire 114.The second adjacent transparency electrode 104 and 106 consists of one second transparency electrodes pair, and the second transparency electrode 104 is electrically connected to the second transparency electrode 106 by a wire 112.The first transparency electrode 100, the 102 and second transparency electrode 104,106 are crisscross arranged.For example, wire 114 is made by metal material or transparent electrode material.Transparent electrode material can be tin indium oxide (ITO) or indium zinc oxide (IZO).
This electrostatic protection structure comprises a plurality of static protective unit ESD.Each static protective unit ESD comprises one first transfer wire L1, one second transfer wire L2 and a cross-over connection section 108.As shown in Figure 1, the end of the first transfer wire L1 is electrically connected to a conductor rhythmo structure 110, and the other end is electrically connected to one first transparency electrode 100.The second transfer wire L2 is parallel to the first transfer wire L1 and arranges.The end of the second transfer wire L2 is electrically connected to conductor rhythmo structure 110, and the other end is electrically connected to the first transparency electrode 100.
It needs to be noted, cross-over connection section 108 is electrically connected to an earth terminal, that is the current potential in cross-over connection section 108 is a ground voltage.Cross-over connection section 108 is connected across respectively the first transfer wire L1 and the second transfer wire L2, wherein, forms a first node P1 thereby cross-over connection section 108 is connected across the first transfer wire L1, thereby and is connected across the second transfer wire L2 and forms a Section Point P2.In this embodiment; when contact panel meets with large voltage or large electric current; conductor rhythmo structure 110 collapses in advance; thereby first node P1 or Section Point P2 by cross-over connection section 108 are released into earth terminal with static; avoid the first transparency electrode 100, the 102 and second transparency electrode 104,106 intersection generation electrostatic damage, and then these transparency electrodes are protected.
In one embodiment, cross-over connection section 108 is made of metal material or transparent electrode material.For example, transparent electrode material is tin indium oxide (ITO) or indium zinc oxide (IZO).
In one embodiment, electrostatic protection structure is positioned at the regional (not shown) of metal routing of contact panel outermost.
Fig. 2 illustrates the structural representation according to the contact panel of the electrostatic defending realized of another embodiment of the present invention.
Be similar to Fig. 1, in the embodiment of Fig. 2, contact panel of the present invention comprises the second transparency electrode 204 and 206, one static protective unit of first transparency electrode 200 and 202 of a plurality of arrangement in a rows, a plurality of arrangements in column.
Particularly, the first adjacent transparency electrode 200 and 202 consists of one first transparency electrodes pair, and the first transparency electrode 200 is electrically connected to the first transparency electrode 202 by a wire 214.The second adjacent transparency electrode 204 and 206 consists of one second transparency electrodes pair, and the second transparency electrode 204 is electrically connected to the second transparency electrode 206 by a wire 212.The first transparency electrode 200, the 202 and second transparency electrode 204,206 are crisscross arranged.For example, wire 214 is made by metal material or transparent electrode material.Transparent electrode material can be tin indium oxide (ITO) or indium zinc oxide (IZO).
This electrostatic protection structure comprises a plurality of static protective unit.Each static protective unit comprises one first transfer wire L1, one second transfer wire L2 and a cross-over connection section 208.As shown in Figure 2, the end of the first transfer wire L1 is electrically connected to a conductor rhythmo structure 210, and the other end is electrically connected to one first transparency electrode 200.The second transfer wire L2 is parallel to the first transfer wire L1 and arranges.The end of the second transfer wire L2 is electrically connected to conductor rhythmo structure 210, and the other end is electrically connected to the first transparency electrode 200.
Be different from Fig. 1, the cross-over connection section 208 in Fig. 2 is electrically coupled to an earth terminal GND via conductor rhythmo structure 211.That is each signal wire S all has oneself independently earth terminal GND, thereby can avoid the coupling effect between the unlike signal line.In addition, cross-over connection section 208 is connected across respectively the first transfer wire L1 and the second transfer wire L2, wherein, forms a first node P1 thereby cross-over connection section 208 is connected across the first transfer wire L1, thereby and is connected across the second transfer wire L2 and forms a Section Point P2.Equally; in this embodiment; when contact panel meets with large voltage or large electric current; conductor rhythmo structure 211 collapses in advance; thereby first node P1 or Section Point P2 by cross-over connection section 208 are released into earth terminal with static; avoid the first transparency electrode 100, the 102 and second transparency electrode 104,106 intersection generation electrostatic damage, and then these transparency electrodes are protected.
Fig. 3 illustrates the structural representation according to the contact panel of the electrostatic defending realized of another embodiment of the invention.
Fig. 3 and Fig. 2 are compared the first transparency electrode 200 of Fig. 2,202 the first transparency electrodes 300,302 corresponding to Fig. 3, the second transparency electrode 204 of Fig. 2,206 the second transparency electrodes 304,306 corresponding to Fig. 3.The first transparency electrode 300 is electrically connected to the first transparency electrode 302, the second transparency electrodes 304 by a wire 314 and is electrically connected to the second transparency electrode 306 by a wire 312.For describing for simplicity, do not repeat them here.
The key distinction of Fig. 3 and Fig. 2 is, the live width of the second transfer wire L2 is different from the live width of the first transfer wire L1, and an end of cross-over connection section 308 is electrically coupled to an earth terminal GND via a conductor rhythmo structure 311, forms first node P1 thereby the other end of cross-over connection section 308 is connected across the first transfer wire L1.When contact panel meets with large voltage or large electric current; conductor rhythmo structure 311 collapses in advance; thereby the first node P1 by cross-over connection section 308 is released into earth terminal with static; avoid the first transparency electrode 100, the 102 and second transparency electrode 104,106 intersection generation electrostatic damage, and then these transparency electrodes are protected.Those skilled in the art is to be understood that, in other alternative embodiment, the also live width magnitude relationship of capable of regulating the second transfer wire L2 and the first transfer wire L1, make an end of cross-over connection section 308 be electrically coupled to an earth terminal GND via a conductor rhythmo structure 311, and the other end of cross-over connection section 308 is connected across the second transfer wire L2, and static release way fast can be provided equally.
adopt the contact panel of realizing electrostatic defending of the present invention, each static protective unit setting is parallel the first transfer wire and the second transfer wire each other, this first transfer wire and the second transfer wire are electrically connected to respectively a conductor rhythmo structure and one first transparency electrode, thereby thereby and the cross-over connection section of this static protective unit is connected across this first transfer wire forms a first node and be connected across this second transfer wire and form a Section Point, when contact panel meets with large voltage or large electric current, allow the conductor rhythmo structure collapse in advance, thereby first node or Section Point by cross-over connection section are released into earth terminal rapidly with static, the ESD barrier propterty of improving product.
Above, describe the specific embodiment of the present invention with reference to the accompanying drawings.But those skilled in the art can understand, in the situation that without departing from the spirit and scope of the present invention, can also do various changes and replacement to the specific embodiment of the present invention.These changes and replacement all drop in claims limited range of the present invention.
Claims (10)
1. the contact panel that can realize electrostatic defending, is characterized in that, described contact panel comprises:
The first transparency electrode of a plurality of arrangement in a rows;
The second transparency electrode of a plurality of arrangements in column, described the second transparency electrode and described the first transparency electrode are crisscross arranged;
One electrostatic protection structure comprises a plurality of static protective unit, and each static protective unit comprises:
One first transfer wire, one end are electrically connected to one first transparency electrode;
One second transfer wire is parallel to described the first transfer wire setting, and the one end is electrically connected to described the first transparency electrode; And
One cross-over connection section is electrically connected to an earth terminal, thereby thereby described cross-over connection section is connected across described the first transfer wire to be formed a first node and is connected across described the second transfer wire and form a Section Point, and
One conductor rhythmo structure is electrically coupled to described the first transfer wire and described the second transfer wire;
Wherein, when described contact panel meets with static, allow described conductor rhythmo structure collapse in advance, thereby by first node or the Section Point of described cross-over connection section, static is released into described earth terminal.
2. contact panel according to claim 1, is characterized in that, described cross-over connection section is made of metal material or transparent electrode material.
3. contact panel according to claim 2, is characterized in that, described transparent electrode material is tin indium oxide or indium zinc oxide.
4. contact panel according to claim 1, is characterized in that, described electrostatic protection structure is positioned at the metal routing zone of described contact panel outermost.
5. the contact panel that can realize electrostatic defending, is characterized in that, described contact panel comprises:
The first transparency electrode of a plurality of arrangement in a rows;
The second transparency electrode of a plurality of arrangements in column, described the second transparency electrode and described the first transparency electrode are crisscross arranged;
One electrostatic protection structure comprises a plurality of static protective unit, and each static protective unit comprises:
One first transfer wire, one end are electrically connected to one first transparency electrode,
One second transfer wire is parallel to described the first transfer wire setting, and the one end is electrically connected to described the first transparency electrode; And
One cross-over connection section, thereby thereby being connected across described the first transfer wire forms a first node and is connected across described the second transfer wire and form a Section Point;
One first conductor rhythmo structure is electrically coupled to described the first transfer wire and described the second transfer wire; And
One second conductor rhythmo structure, one end are electrically coupled to described cross-over connection section, and the other end is electrically connected to an earth terminal,
Wherein, when described contact panel meets with static, allow described the second conductor rhythmo structure collapse in advance, thereby by first node or the Section Point of described cross-over connection section, static is released into described earth terminal.
6. contact panel according to claim 5, is characterized in that, described contact panel is a capacitance type touch-control panel.
7. the contact panel that can realize electrostatic defending, is characterized in that, described contact panel comprises:
The first transparency electrode of a plurality of arrangement in a rows;
The second transparency electrode of a plurality of arrangements in column, described the second transparency electrode and described the first transparency electrode are crisscross arranged;
One electrostatic protection structure comprises a plurality of static protective unit, and each static protective unit comprises:
One first transfer wire, one end are electrically connected to one first transparency electrode,
One second transfer wire is parallel to described the first transfer wire setting, and the live width of described the second transfer wire is different from the live width of described the first transfer wire, and an end of described the second transfer wire is electrically connected to described the first transparency electrode; And
One cross-over connection section is connected across described the first transfer wire or the second transfer wire;
One first conductor rhythmo structure is electrically coupled to described the first transfer wire and described the second transfer wire; And
One second conductor rhythmo structure, one end are electrically coupled to described cross-over connection section, and the other end is electrically connected to an earth terminal,
Wherein, when described contact panel meets with static, allow described the second conductor rhythmo structure collapse in advance, thereby by first node or the Section Point of described cross-over connection section, static is released into described earth terminal.
8. contact panel according to claim 7, is characterized in that, described the first transfer wire is corresponding to the electrostatic defending passage, thereby and described cross-over connection section be connected across described the first transfer wire and form a first node.
9. according to claim 1,5 or 7 described contact panels, is characterized in that, is connected by a plain conductor or a transparent electrode material between the first adjacent transparency electrode, connects by described transparent electrode material between the second adjacent transparency electrode.
10. contact panel according to claim 9, is characterized in that, described transparent electrode material is tin indium oxide or indium zinc oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310073857 CN103150053A (en) | 2013-03-08 | 2013-03-08 | Touch panel with static protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310073857 CN103150053A (en) | 2013-03-08 | 2013-03-08 | Touch panel with static protection function |
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| CN103150053A true CN103150053A (en) | 2013-06-12 |
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| CN 201310073857 Pending CN103150053A (en) | 2013-03-08 | 2013-03-08 | Touch panel with static protection function |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103365470A (en) * | 2013-07-01 | 2013-10-23 | 友达光电股份有限公司 | Touch control panel and manufacturing method thereof |
| CN103576984A (en) * | 2013-07-17 | 2014-02-12 | 友达光电股份有限公司 | Touch panel and touch display panel |
| CN104252261A (en) * | 2013-06-26 | 2014-12-31 | 达鸿先进科技股份有限公司 | Electrostatic protection structure of touch panel, manufacturing method and touch device thereof |
| CN104731435A (en) * | 2015-04-03 | 2015-06-24 | 合肥鑫晟光电科技有限公司 | Touch panel, touch panel manufacturing method and display device |
| WO2017206911A1 (en) * | 2016-05-30 | 2017-12-07 | 深圳信炜科技有限公司 | Chip and electronic device |
| CN107835976A (en) * | 2015-07-21 | 2018-03-23 | 3M创新有限公司 | Conducting film, component and the method that electrostatic charge is removed from conductive pattern |
| CN109064902A (en) * | 2018-09-20 | 2018-12-21 | 武汉天马微电子有限公司 | A kind of display panel and display device |
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2013
- 2013-03-08 CN CN 201310073857 patent/CN103150053A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104252261A (en) * | 2013-06-26 | 2014-12-31 | 达鸿先进科技股份有限公司 | Electrostatic protection structure of touch panel, manufacturing method and touch device thereof |
| CN103365470A (en) * | 2013-07-01 | 2013-10-23 | 友达光电股份有限公司 | Touch control panel and manufacturing method thereof |
| CN103365470B (en) * | 2013-07-01 | 2016-02-10 | 友达光电股份有限公司 | Contact panel and manufacture method thereof |
| CN103576984B (en) * | 2013-07-17 | 2016-08-17 | 友达光电股份有限公司 | Touch panel and touch display panel |
| CN103576984A (en) * | 2013-07-17 | 2014-02-12 | 友达光电股份有限公司 | Touch panel and touch display panel |
| TWI507940B (en) * | 2013-07-17 | 2015-11-11 | Au Optronics Corp | Touch panel and touch display panel |
| CN104731435A (en) * | 2015-04-03 | 2015-06-24 | 合肥鑫晟光电科技有限公司 | Touch panel, touch panel manufacturing method and display device |
| US10248237B2 (en) | 2015-04-03 | 2019-04-02 | Boe Technology Group Co., Ltd. | Touch panel, method for manufacturing the same and display device |
| CN107835976A (en) * | 2015-07-21 | 2018-03-23 | 3M创新有限公司 | Conducting film, component and the method that electrostatic charge is removed from conductive pattern |
| CN107835976B (en) * | 2015-07-21 | 2021-06-11 | 3M创新有限公司 | Conductive film, assembly, and method for removing static charge from conductive pattern |
| WO2017206911A1 (en) * | 2016-05-30 | 2017-12-07 | 深圳信炜科技有限公司 | Chip and electronic device |
| CN109064902A (en) * | 2018-09-20 | 2018-12-21 | 武汉天马微电子有限公司 | A kind of display panel and display device |
| CN109064902B (en) * | 2018-09-20 | 2020-12-11 | 武汉天马微电子有限公司 | Display panel and display device |
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Application publication date: 20130612 |