CN102819358A - Layout structure and manufacturing method of capacitive touch panel - Google Patents
Layout structure and manufacturing method of capacitive touch panel Download PDFInfo
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- CN102819358A CN102819358A CN201110152071XA CN201110152071A CN102819358A CN 102819358 A CN102819358 A CN 102819358A CN 201110152071X A CN201110152071X A CN 201110152071XA CN 201110152071 A CN201110152071 A CN 201110152071A CN 102819358 A CN102819358 A CN 102819358A
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Abstract
The invention provides a layout structure and a manufacturing method of a capacitive touch panel. The layout structure of the capacitive touch panel comprises a conducting layer, an insulating layer and a plurality of electrical bridges. The conducting layer is configured on a base plate and comprises a plurality of first touch units and a plurality of second touch units. The first touch units are electrically connected with each other through a plurality of connecting sections so as to form a plurality of first touch serials extending along a first direction. The insulating layer is configured on the conducting layer. Each electrical bridge comprises a compensation portion, a first bridging portion and a second bridging portion, the compensation portions are configured on the connecting sections respectively, and the first bridging portions and the second bridging portions are configured on the insulating layer. The section touch units are electrically connected with each other through the first bridging portions and the second bridging portions so as to form a plurality of second touch serials extending along a second direction.
Description
Technical field
The present invention relates to a kind of contact surface plate (touch panel), relate in particular to layout structure of a kind of capacitor-type touch panel (capacitive touch panel) and preparation method thereof.
Background technology
Along with the technical development of contact surface plate (touch panel), contact surface plate is the screen of widespread use electronic installation, for example mobile phone, notebook computer or flat computer.The action that contact surface plate can let the user import more easily or operate makes its user interface humanized and convenient.
Generally speaking, traditional contact surface plate is realized touch controllable function by on inputting interface, disposing the touching tandem of two strings along the different directions arrangement.Yet along with the increase of panel size, the length of touching tandem also increases thereupon, so will cause the touching tandem that the excessive problem of impedance is arranged, thereby reduces contact surface plate touching sensitivity.
Summary of the invention
The present invention provides layout structure and the method for making of a kind of capacitor-type touch panel (capacitive touch panel), and it can reduce the impedance of touching tandem, to promote touching sensitivity.
The present invention proposes a kind of layout structure of capacitor-type touch panel, and it comprises a conductive layer, an insulation course and a plurality of electric bridge.Conductive layer is disposed on the substrate.Conductive layer comprises a plurality of first touching unit and a plurality of second touching unit.The first touching unit is electrically connected to each other through a plurality of jointings, to form the first touching tandem that a plurality of edges one first direction extends.Insulation course is disposed on the conductive layer.Each electric bridge comprises a compensation section, one first bridge and one second bridge.Compensation section is disposed on the jointing respectively, and first bridge and second bridge are disposed on the insulation course.The second touching unit is electrically connected to each other through first bridge and second bridge, to form the second touching tandem that a plurality of edges one second direction is extended.
In one embodiment of this invention, above-mentioned insulation course comprises a plurality of first insulating patterns and a plurality of second insulating pattern, and first bridge and second bridge are disposed at respectively on first insulating pattern and second insulating pattern.
In one embodiment of this invention, the first above-mentioned insulating pattern and second insulating pattern are disposed at the both sides of jointing respectively, and vertical in fact jointing.
In one embodiment of this invention, above-mentioned compensation section is between first bridge and second bridge, and vertical in fact first bridge and second bridge.
In one embodiment of this invention, the geometric configuration of the first above-mentioned bridge is identical with the geometric configuration of second bridge.
In one embodiment of this invention, the width of above-mentioned compensation section, first bridge and second bridge all is less than or equal to 100 microns.
In addition, the present invention also proposes a kind of method for making of capacitor-type touch panel, and it may further comprise the steps.At first, a substrate is provided.Continue it; Configuration one conductive layer on substrate; Wherein conductive layer comprises a plurality of first touching unit and a plurality of second touching unit, and the first touching unit is electrically connected to each other through a plurality of jointings, to form the first touching tandem that a plurality of edges one first direction extends.Come configuration one insulation course on conductive layer again.Then, a plurality of electric bridges of configuration on conductive layer.Each electric bridge comprises a compensation section, one first bridge and one second bridge.Wherein compensation section is disposed on the jointing respectively, and first bridge and second bridge are disposed on the insulation course.The second touching unit is electrically connected to each other through first bridge and second bridge, to form the second touching tandem that a plurality of edges one second direction is extended.
Based on above-mentioned; In an embodiment of the present invention; Owing to dispose the compensation section of electric bridge on the jointing between the first touching unit; And the second touching unit is electrically connected to each other by first bridge and second bridge of electric bridge, touches the impedance of tandem in first direction and second direction so layout structure of above-mentioned capacitor-type touch panel and preparation method thereof can reduce by the first touching tandem and second, thereby can promote the touching sensitivity of capacitor-type touch panel.
For letting the above-mentioned feature and advantage of the present invention can be more obviously understandable, hereinafter is special lifts embodiment, and conjunction with figs. elaborates as follows.
Description of drawings
Fig. 1 is the layout structure synoptic diagram of the capacitor-type touch panel of first embodiment of the invention.
Fig. 2 A to Fig. 2 D is the making flow process schematic top plan view of layout structure of the capacitor-type touch panel of Fig. 1.
Fig. 3 is the layout structure synoptic diagram of the capacitor-type touch panel of second embodiment of the invention.
Fig. 4 A to Fig. 4 D is the making flow process schematic top plan view of layout structure of the capacitor-type touch panel of Fig. 3.
Reference numeral:
100,200: capacitor-type touch panel
110,210: substrate
120,220: conductive layer
122,124,222,224: the touching unit
122 ', 124 ', 222 ', 224 ': the touching tandem
130,230: insulation course
132,134,232,234: insulating pattern
140,240: electric bridge
142,242: compensation section
144,146,244,246: bridge
150,250: jointing
W
1～W
6: width
Embodiment
First embodiment
Fig. 1 is the layout structure synoptic diagram of the capacitor-type touch panel of first embodiment of the invention.Please with reference to Fig. 1, the layout structure of capacitor-type touch panel 100 comprises conductive layer 120, insulation course 130 and a plurality of electric bridge 140 that is disposed on the substrate 110.In present embodiment; Substrate 110 can adopt like polycarbonate (Polycarbonate; PC), tygon (Polyethylene; PE), the poly terephthalic acid diethylester (polyethylene terephthalate, PET), polymethylmethacrylate (PolyMethyl MethAcrylate, PMMA) or transparent material such as glass make.
In addition, conductive layer 120 comprises a plurality of touchings unit 122 and a plurality of touchings unit 124.Wherein touch unit 122 and be electrically connected to each other, to form a plurality of touching tandems 122 ' of extending along first direction (for example directions X) through a plurality of jointings 150.In the present embodiment, conductive layer 120 for example be indium tin oxide (indium-tin oxide, ITO) or metal etc.Insulation course 130 is disposed on the conductive layer 120.In addition, each electric bridge 140 comprises compensation section 142, bridge 144 and bridge 146.Compensation section 142 is disposed at respectively on the jointing 150.Bridge 144 is disposed on the insulation course 130 with bridge 146, wherein touches unit 124 and is electrically connected to each other through bridge 144 and bridge 146, to form a plurality of touching tandems 124 ' of extending along second direction (for example Y direction).As shown in Figure 1, the capacitor-type touch panel 100 of present embodiment for example is 4 * 5 capacitor-type touch panel.That is each touching tandem 122 ' comprises four touching unit 122, and each touching tandem 124 ' comprises five touching unit 124.
In addition, the compensation section 142 of electric bridge 140 is between bridge 144 and bridge 146, and vertical in fact bridge 144 and bridge 146.In the present embodiment, the geometric configuration of bridge 144 is identical with the geometric configuration of bridge 146, and for example is rectangle.Because metal itself is light tight, so if when using metal making electric bridge 140, the width of compensation section 142, bridge 144 and bridge 146 must have its restriction, to avoid by human eye.For example, in the present embodiment, the width W of compensation section 142
1, bridge 144 width W
2Width W with bridge 146
3All be less than or equal to 100 microns.
In addition; Because bridge 144 and 146 is configured in the top of touching unit 122; So for avoiding touching unit 122 short circuits of bridge 144,146 and below; And causing touching unit 122 and the short circuit of touching unit 124, present embodiment is disposed at insulation course 130 between bridge 144,146 and the touching unit 122.As shown in Figure 1, insulation course 130 comprises a plurality of insulating patterns 132 and a plurality of insulating patterns 134, and bridge 144 is disposed at respectively on insulating pattern 132 and the insulating pattern 134 with bridge 146.From the above; Configuration through electric bridge 140; Can a plurality of touchings unit 124 be electrically connected to each other; And form a plurality of touching tandems 124 ' of extending, and because electric bridge 140 belows dispose insulation course 130, so can avoid along Y direction touching tandem 124 ' of extending and the touching tandem 122 ' short circuit of extending along directions X along the Y direction.Thus, the capacitor-type touch panel 100 of present embodiment just can be realized the orientation sensing function of X-Y coordinate.In addition, insulating pattern 132 and insulating pattern 134 are disposed at the both sides of jointing 150 respectively, and vertical in fact jointing 150.In the present embodiment, the geometric configuration of the insulating pattern 132 for example geometric configuration with insulating pattern 134 is identical, and for example is rectangle.
What deserves to be mentioned is; Because the compensation section 142 of electric bridge 140 is configured in order on the jointing 150 that electrically connects touching unit 122; So jointing 150 can be considered two parallel resistor with compensation section 142, thereby can reduce the resistance value of touching tandem 122 ' at directions X.Therefore, the layout structure of capacitor-type touch panel 100 can promote the touching sensitivity of capacitor-type touch panel 100 at directions X.In the present embodiment, jointing 150 for example is an indium tin oxide, and compensation section 142 for example is indium tin oxide or metal.Furthermore; Because the resistance value of metal is much smaller than the resistance value of indium tin oxide; So when jointing 150 is indium tin oxide and a compensation section 142 during for metal, rough compensation section 142 resistance values that equal of the resistance value of jointing 150, it is much smaller than the resistance value of indium tin oxide.
On the other hand, because each electric bridge 140 comprises two bridge 144 and 146, so compared to the structure that a bridge is only arranged, touching tandem 124 ' will be 1/2nd of an aforementioned structure at the resistance value of Y direction.Therefore, the layout structure of capacitor-type touch panel 100 can promote the touching sensitivity of capacitor-type touch panel 100 in the Y direction.
Fig. 2 A to Fig. 2 D is the making flow process schematic top plan view of layout structure of the capacitor-type touch panel 100 of Fig. 1.Please with reference to Fig. 2 A, substrate 110 is provided at first, it for example is a glass substrate.Then; Shown in Fig. 2 B; Configuration conductive layer 120 on substrate 110; Wherein conductive layer 120 comprises a plurality of touchings unit 122 and touching unit 124, and touching unit 122 is electrically connected to each other through a plurality of jointings 150, to form a plurality of touching tandems 122 along first direction (for example be directions X) extension.In other words, in present embodiment, touching unit 122 is wherein touched unit 122 and for example is indium tin oxide with touching unit 124 in directions X short circuit.
Continue it, please with reference to Fig. 2 C, configuration insulation course 130 on conductive layer 120.Wherein insulation course 130 comprises insulating pattern 132 and insulating pattern 134, and insulating pattern 132,134 extends along the Y direction.
Come a plurality of electric bridges 140 of configuration on conductive layer 120 again.Shown in Fig. 2 D, each electric bridge 140 comprises compensation section 142, bridge 144 and bridge 146.Compensation section 142 is disposed at respectively on the jointing 150; And bridge 144 is disposed on the insulation course 130 with bridge 146; Wherein touch unit 124 and be electrically connected to each other, to form a plurality of touching tandems 124 ' of extending along second direction (for example Y direction) through bridge 144 and bridge 146.So far, just accomplish the layout structure of capacitor-type touch panel as shown in Figure 1 100.Wherein electric bridge 140 for example is indium tin oxide or metal.Furthermore, shown in Fig. 2 D, electric bridge that two touching unit are 124 140 forms similar " H " type structures, and wherein bridge 144 is parallel along the Y direction with 146, and compensation section 142 is positioned at 144,146 of bridge, and vertical bridge 144,146.Compensation section 142 can reduce the resistance value of touching tandem 122 ' at directions X, and two bridge 144 and 146 can reduce the resistance value of touching tandem 124 ' in the Y direction.Because the detailed placement structure of capacitor-type touch panel 100 can be obtained enough teachings, suggestion and implement explanation in the narration by corresponding diagram 1, therefore repeats no more.It should be noted; In the step of Fig. 2 D; Owing to use single light shield just can accomplish the making of compensation section 142 and bridge 144,146 simultaneously,, present embodiment simplifies the advantage of light shield number and reduction process complexity so providing the method that is used for making capacitor-type touch panel 100 to have.
Second embodiment
Fig. 3 is the layout structure synoptic diagram of the capacitor-type touch panel of second embodiment of the invention.The layout structure of the layout structure of the capacitor-type touch panel 200 of Fig. 3 and the capacitor-type touch panel 100 of Fig. 1 is similar, and only the two main difference part is: the touching tandem 222 ' of present embodiment is extended toward the Y direction, and touching tandem 224 ' is extended toward directions X.In other words, in the present embodiment, first direction is the Y direction, and second direction is a directions X.
In detail, the capacitor-type touch panel 200 of present embodiment is 5 * 4 capacitor-type touch panel.That is each touching tandem 222 ' comprises four touching unit 222, and each touching tandem 224 ' comprises five touching unit 224.Touching unit 222 is electrically connected to each other through a plurality of jointings 250, to form a plurality of touching tandems 222 ' of extending along the Y direction.In addition, touching unit 224 is electrically connected to each other through the bridge 244,246 of electric bridge 240, to form a plurality of touching tandems 224 ' of extending along directions X.Wherein bridge 244 and 246 is disposed at respectively on insulating pattern 232 and 234.In the present embodiment, the material of electric bridge 240 for example is indium tin oxide or metal.When the material of electric bridge 240 is metal, for avoiding human eye electric bridge 240, the width W of compensation section 242
4, bridge 244 width W
5Width W with bridge 246
6For example all be less than or equal to 100 microns.
As shown in Figure 3, in the present embodiment, the bridge 244 and 246 that two touching unit are 224 is along directions X extension and parallel.In addition, be positioned at bridge 244 and 246 compensation section 242 vertical bridge 244,246.That is the compensation section 242 of present embodiment is extended along the Y direction.Similarly, compensation section 242 can reduce the resistance value of touching tandem 222 ' in the Y direction, adopts the structure of two bridge 244 and 246 then can reduce the resistance value of touching tandem 224 ' at directions X.Therefore, the layout structure of the capacitor-type touch panel 200 of present embodiment can promote the touching sensitivity of capacitor-type touch panel 200.
Fig. 4 A to Fig. 4 D is the making flow process schematic top plan view of layout structure of the capacitor-type touch panel 200 of Fig. 3.Please with reference to Fig. 4 A, substrate 210 is provided at first, it for example is a glass substrate.Then; Shown in Fig. 4 B; Configuration conductive layer 220 on substrate 210; Wherein conductive layer 220 comprises a plurality of touchings unit 222 and touching unit 224, and touching unit 222 is electrically connected to each other through a plurality of jointings 250, to form a plurality of touching tandems 222 ' of extending along first direction (for example Y direction).In other words, in present embodiment, touching unit 222 is in the short circuit of Y direction, and touching unit 222 for example is an indium tin oxide with touching unit 224.
Continue it, please with reference to Fig. 4 C, configuration insulation course 230 on conductive layer 220.Wherein insulation course 230 comprises insulating pattern 232 and insulating pattern 234, and insulating pattern 232,234 extends along directions X.
Come a plurality of electric bridges 240 of configuration on conductive layer 220 again.Shown in Fig. 4 D, each electric bridge 240 comprises compensation section 242, bridge 244 and bridge 246.Compensation section 242 is disposed at respectively on the jointing 250; And bridge 244 is disposed on the insulation course 230 with bridge 246; Wherein touch unit 224 and be electrically connected to each other, to form a plurality of touching tandems 224 ' of extending along second direction (for example directions X) through bridge 244 and bridge 246.So far, just accomplish the layout structure of capacitor-type touch panel as shown in Figure 3 200.Because the detailed placement structure of capacitor-type touch panel 200 can be obtained enough teachings, suggestion and implement explanation in the narration by first embodiment, therefore repeats no more.
In sum, in an embodiment of the present invention, by the bridge structure of configuration compensation section and two bridge on the touching unit, can reduce the resistance value of touching tandem, thereby can promote the touching sensitivity of capacitor-type touch panel in first direction and second direction.In addition, make,, and then reduce manufacturing cost so above-mentioned all described layout structures of embodiment can be simplified light shield quantity and process complexity because compensation section can be used with processing procedure with bridge.
Though the present invention discloses as above with embodiment, so it is not in order to limiting the present invention, any under the those of ordinary skill of technical field, when can doing a little change and retouching, and do not break away from the spirit and scope of the present invention.
Claims (12)
1. the layout structure of a capacitor-type touch panel comprises:
One conductive layer is disposed on the substrate, and this conductive layer comprises a plurality of first touching unit and a plurality of second touching unit, and those first touching unit are electrically connected to each other through a plurality of jointings, to form the first touching tandem that a plurality of edges one first direction extends;
One insulation course is disposed on this conductive layer; And
A plurality of electric bridges; Each electric bridge comprises a compensation section, one first bridge and one second bridge; Those compensation section are disposed at respectively on those jointings; And those first bridge and those second bridge are disposed on this insulation course, and wherein those second touching unit are electrically connected to each other through those first bridge and those second bridge, to form the second touching tandem that a plurality of edges one second direction is extended.
2. according to the layout structure of the said capacitor-type touch panel of claim 1; Wherein this insulation course comprises a plurality of first insulating patterns and a plurality of second insulating pattern, and those first bridge and those second bridge are disposed at respectively on those first insulating patterns and those second insulating patterns.
3. according to the layout structure of the said capacitor-type touch panel of claim 2, wherein those first insulating patterns and those second insulating patterns are disposed at the both sides of those jointings respectively, and vertical in fact those jointings.
4. according to the layout structure of the said capacitor-type touch panel of claim 1, wherein this compensation section between this first bridge and this second bridge, and vertical in fact this first bridge and this second bridge.
5. according to the layout structure of the said capacitor-type touch panel of claim 1, wherein the geometric configuration of this first bridge is identical with the geometric configuration of this second bridge.
6. according to the layout structure of the said capacitor-type touch panel of claim 1, wherein the width of this compensation section, this first bridge and this second bridge all is less than or equal to 100 microns.
7. the method for making of a capacitor-type touch panel comprises:
One substrate is provided;
Configuration one conductive layer on this substrate; Wherein this conductive layer comprises a plurality of first touching unit and a plurality of second touching unit; And those first touching unit are electrically connected to each other through a plurality of jointings, to form the first touching tandem that a plurality of edges one first direction extends;
Configuration one insulation course on this conductive layer; And
The a plurality of electric bridges of configuration on this conductive layer; Each electric bridge comprises a compensation section, one first bridge and one second bridge; Those compensation section are disposed at respectively on those jointings; And those first bridge and those second bridge are disposed on this insulation course, and wherein those second touching unit are electrically connected to each other through those first bridge and those second bridge, to form the second touching tandem that a plurality of edges one second direction is extended.
8. according to the method for making of the said capacitor-type touch panel of claim 7; Wherein this insulation course comprises a plurality of first insulating patterns and a plurality of second insulating pattern, and those first bridge and those second bridge are disposed at respectively on those first insulating patterns and those second insulating patterns.
9. the method for making of said capacitor-type touch panel according to Claim 8, wherein those first insulating patterns and those second insulating patterns are disposed at the both sides of those jointings respectively, and vertical in fact those jointings.
10. according to the method for making of the said capacitor-type touch panel of claim 7, wherein this compensation section between this first bridge and this second bridge, and vertical in fact this first bridge and this second bridge.
11. according to the method for making of the said capacitor-type touch panel of claim 7, wherein the geometric configuration of this first bridge is identical with the geometric configuration of this second bridge.
12. according to the method for making of the said capacitor-type touch panel of claim 7, wherein the width of this compensation section, this first bridge and this second bridge all is less than or equal to 100 microns.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110152071XA CN102819358A (en) | 2011-06-08 | 2011-06-08 | Layout structure and manufacturing method of capacitive touch panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110152071XA CN102819358A (en) | 2011-06-08 | 2011-06-08 | Layout structure and manufacturing method of capacitive touch panel |
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| CN102819358A true CN102819358A (en) | 2012-12-12 |
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| CN201110152071XA Pending CN102819358A (en) | 2011-06-08 | 2011-06-08 | Layout structure and manufacturing method of capacitive touch panel |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104345931A (en) * | 2013-07-29 | 2015-02-11 | 胜华科技股份有限公司 | Touch panel |
| CN104777924A (en) * | 2014-01-09 | 2015-07-15 | 宸鸿科技(厦门)有限公司 | Touch panel and manufacture method thereof |
| CN105607771A (en) * | 2014-11-13 | 2016-05-25 | 财团法人工业技术研究院 | Touch panel |
| WO2016206439A1 (en) * | 2015-06-25 | 2016-12-29 | Boe Technology Group Co., Ltd. | Touch control display panel, display device having the same, and fabricating method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101685362A (en) * | 2008-09-22 | 2010-03-31 | 铼宝科技股份有限公司 | Light transmission touch panel |
| CN101699377A (en) * | 2009-09-11 | 2010-04-28 | 深超光电（深圳）有限公司 | Touch panel |
| CN102200858A (en) * | 2011-04-29 | 2011-09-28 | 深圳南玻伟光导电膜有限公司 | Transparent conducting layer structure of touch screen |
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2011
- 2011-06-08 CN CN201110152071XA patent/CN102819358A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101685362A (en) * | 2008-09-22 | 2010-03-31 | 铼宝科技股份有限公司 | Light transmission touch panel |
| CN101699377A (en) * | 2009-09-11 | 2010-04-28 | 深超光电（深圳）有限公司 | Touch panel |
| CN102200858A (en) * | 2011-04-29 | 2011-09-28 | 深圳南玻伟光导电膜有限公司 | Transparent conducting layer structure of touch screen |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104345931A (en) * | 2013-07-29 | 2015-02-11 | 胜华科技股份有限公司 | Touch panel |
| CN104777924A (en) * | 2014-01-09 | 2015-07-15 | 宸鸿科技(厦门)有限公司 | Touch panel and manufacture method thereof |
| CN104777924B (en) * | 2014-01-09 | 2018-03-02 | 宸鸿科技(厦门)有限公司 | Contact panel and preparation method thereof |
| CN105607771A (en) * | 2014-11-13 | 2016-05-25 | 财团法人工业技术研究院 | Touch panel |
| WO2016206439A1 (en) * | 2015-06-25 | 2016-12-29 | Boe Technology Group Co., Ltd. | Touch control display panel, display device having the same, and fabricating method thereof |
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Application publication date: 20121212 |