CN101976146A - Method for manufacturing touch panel - Google Patents
Method for manufacturing touch panel Download PDFInfo
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- CN101976146A CN101976146A CN 201010513237 CN201010513237A CN101976146A CN 101976146 A CN101976146 A CN 101976146A CN 201010513237 CN201010513237 CN 201010513237 CN 201010513237 A CN201010513237 A CN 201010513237A CN 101976146 A CN101976146 A CN 101976146A
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Abstract
The invention relates to a method for manufacturing a touch panel, which comprises the steps of: providing a substrate with a touch area and a periphery area; forming a sensing circuit layer comprising a plurality of first sensing series, a plurality of second cellular metal sensing pads and a plurality of periphery circuits on a touch area of the substrate; forming an insulating layer provided with a plurality of first contact windows and a plurality of second contact windows on the substrate so as to cover the sensing circuit layer; exposing the partial areas of the second cellular metal sensing pads by the first contact windows; and forming a transparent conductive layer comprising a plurality of second transparent bridging lines and a plurality of transparent contact pads on the insulating layer in the touch control area of the substrate, wherein each second transparent bridging line is respectively and electrically connected with two adjacent second cellular metal sensing pads by two first contact windows, and each transparent contact pad is respectively and electrically connected with the corresponding periphery circuits by the second contact windows.
Description
Technical field
The present invention relates to a kind of manufacture method of contact panel, and particularly relevant for the manufacture method of a kind of capacitance type touch-control panel (capacitive touch panel).
Background technology
Contact panel is divided into electric resistance touch-control panel, capacitance type touch-control panel, optical touch control panel, sound wave type contact panel and electromagnetic touch-control panel haply according to the difference of its sensing mode.Since capacitance type touch-control panel have the reaction time fast, fiduciary level is good and the durability advantages of higher, therefore, capacitance type touch-control panel is widely used in electronic product.
In general, capacitance type touch-control panel comprises a plurality of first sensing serials and a plurality of second sensing serials of extending along second direction of extending along first direction.Wherein, each first sensing serials is to be connected in series with first bridge part by a plurality of first sensor pads to form, and each second sensing serials is to be connected in series with second bridge part by a plurality of second sensor pads to form, and first sensor pad and second sensor pad can constitute a sensing array.Therefore, when the user contacts contact panel, first sensing serials of contact panel and second sensing serials can produce an electric capacity on finger institute position contacting change.Change on this electric capacity can be converted to a sensing signal and be sent on the control circuit board, and through calculation process and after obtaining a result, and exports a suitable instruction again with operating electronic devices.In addition, in order to increase the light transmission of contact panel, first sensor pad, second sensor pad usually all can by tin indium oxide (Indium Tin Oxide, ITO) made.Yet the resistance of tin indium oxide (ITO) is too high, easily causes the not good problem of sensitivity of contact panel.In order to solve the too high problem of above-mentioned resistance, known technology also proposes to adopt metal material to replace partial oxidation indium tin to make first bridge part or second bridge part, reduces the too high problem of sensing serials resistance.
For the processing step and reduction cost of manufacture that will reduce contact panel, the fabricator is attempting reducing the number of processes of contact panel, the example that is made as with the insulation course that omits the superiors, if do not make the insulation course of the superiors, first bridge part of metal material or second bridge part then can directly be exposed to external environment, easily cause metal to produce the phenomenon of oxidation, and then the fiduciary level of contact panel and serviceable life are reduced significantly.And, the contact panel surrounding zone connects the contact mat of external circuit if use metal material to make, metal contact pad is before connecting external circuit, can directly be exposed in the outside air environment inevitably, equally easily cause metal to produce the phenomenon of oxidation, and then the fiduciary level of contact panel and serviceable life are reduced significantly.
Therefore how under the situation that does not increase cost of manufacture, take into account the problem of sensing serials resistance and burning simultaneously, the real important topic that must overcome for the utmost point.
Summary of the invention
The invention provides a kind of manufacture method of contact panel, it is suitable for reducing the contact panel cost of manufacture, and can promote the fiduciary level of contact panel.
The present invention proposes a kind of manufacture method of contact panel, and wherein method for making comprises the steps.One substrate is provided.Substrate has a Touch Zone and a surrounding zone.On the Touch Zone of substrate, form a sense line layer.The sense line layer comprises a plurality of first sensing serials, a plurality of second net metal sensor pads and a plurality of perimeter circuit.Each first sensing serials comprises a plurality of first net metal sensor pads and a plurality of first bridging line.Each first bridging line is connected between the two adjacent first net metal sensor pads.Form an insulation course to cover the sense line layer on substrate, wherein insulation course has a plurality of first contact holes and a plurality of second contact hole.First contact hole exposes the subregion of the second net metal sensor pad.Form a transparency conducting layer on the insulation course in the Touch Zone.Transparency conducting layer comprises a plurality of second transparent bridging lines and a plurality of transparent contact mat.Each second transparent bridging line is respectively by two first contact holes and two adjacent second net metal sensor pad electric connections.The second net metal sensor pad and the second transparent bridging line constitute a plurality of second sensing serials.Each transparent contact mat is respectively by second contact hole and corresponding perimeter circuit electric connection.
In one embodiment of this invention, above-mentioned substrate comprises a glass substrate, a plastic substrate, a printed circuit board (PCB) or a display panel.
In one embodiment of this invention, above-mentioned insulation course comprises a transparent dielectric pattern layer and a box-shaped pattern layer.Transparent dielectric pattern layer is positioned on the Touch Zone of substrate.The box-shaped pattern layer is positioned on the surrounding zone of substrate.
In one embodiment of this invention, the material of above-mentioned box-shaped pattern layer comprises black resin or colouring resin.
In one embodiment of this invention, the material of above-mentioned transparency conducting layer comprises indium tin oxide, indium-zinc oxide, aluminium zinc oxide.
In one embodiment of this invention, each above-mentioned first net metal sensor pad is made of many first strip metal patterns parallel to each other and many second strip metal patterns parallel to each other.The first strip metal pattern and the second strip metal pattern are staggered.
In one embodiment of this invention, the bearing of trend of the first above-mentioned bridging line is in fact perpendicular to the bearing of trend of the second transparent bridging line, and the bearing of trend of the first strip metal pattern is parallel to the bearing of trend of first bridging line in fact, and the bearing of trend of the second strip metal pattern is parallel to the bearing of trend of the second transparent bridging line in fact.
In one embodiment of this invention, the bearing of trend of the first above-mentioned bridging line is in fact perpendicular to the bearing of trend of the second transparent bridging line, and the angle between the bearing of trend of the bearing of trend of the first strip metal pattern and first bridging line is about 45 degree, and the angle between the bearing of trend of the bearing of trend of the second strip metal pattern and first bridging line is about 45 degree.
In one embodiment of this invention, the live width of above-mentioned each first strip metal pattern is between 1 micron to 6 microns, and the live width of each second strip metal pattern is between 1 micron to 6 microns.
In one embodiment of this invention, above-mentioned when forming first sensing serials and the second net metal sensor pad, more be included in and form a plurality of plan conductive patterns between the second net metal sensor pad and first sensing serials, wherein intend conductive pattern for electrically floating.
The present invention more proposes a kind of manufacture method of contact panel, and wherein method for making comprises the steps.One substrate is provided.Substrate has a Touch Zone and a surrounding zone.On the Touch Zone of substrate, form a sense line layer.The sense line layer comprises a plurality of first sensing serials and a plurality of second net metal sensor pad.Each first sensing serials comprises a plurality of first net metal sensor pads and a plurality of first bridging line.Each first bridging line is connected between the two adjacent first net metal sensor pads.Form an insulation course to cover the sense line layer on substrate, wherein insulation course has a plurality of first contact holes with the subregion exposure with the second net metal sensor pad.Form a plurality of second transparent bridging lines on the insulation course in the Touch Zone.Each second transparent bridging line is respectively by two first contact holes and two adjacent second net metal sensor pad electric connections.Second sensor pad and the second transparent bridging line constitute a plurality of second sensing serials, and the subregion of the second net metal sensor pad that is exposed by first contact hole is covered by the second transparent bridging line fully.
In one embodiment of this invention, above-mentioned when forming the sense line layer, the surrounding zone that more is included in substrate forms a plurality of perimeter circuits.Insulation course has more a plurality of second contact holes and exposes with the subregion with perimeter circuit.When forming the second transparent bridging line, more be included in a plurality of conductive layers of formation on the insulation course the Touch Zone in, so that the subregion of the perimeter circuit that is exposed by second contact hole is covered by conductive layer fully.
In one embodiment of this invention, above-mentioned substrate comprises a glass substrate, a plastic substrate, a printed circuit board (PCB) or a display panel.
In one embodiment of this invention, each above-mentioned first net metal sensor pad is made of many first strip metal patterns parallel to each other and many second strip metal patterns parallel to each other.The first strip metal pattern and the second strip metal pattern are staggered.
In one embodiment of this invention, the bearing of trend of the first above-mentioned bridging line is in fact perpendicular to the bearing of trend of the second transparent bridging line, and the bearing of trend of the first strip metal pattern is parallel to the bearing of trend of first bridging line in fact, and the bearing of trend of the second strip metal pattern is parallel to the bearing of trend of the second transparent bridging line in fact.
In one embodiment of this invention, the bearing of trend of the first above-mentioned bridging line is in fact perpendicular to the bearing of trend of the second transparent bridging line, and the angle between the bearing of trend of the bearing of trend of the first strip metal pattern and first bridging line is about 45 degree, and the angle between the bearing of trend of the bearing of trend of the second strip metal pattern and first bridging line is about 45 degree.
In one embodiment of this invention, the live width of above-mentioned each first strip metal pattern is between 1 micron to 6 microns, and the live width of each second strip metal pattern is between 1 micron to 6 microns.
In one embodiment of this invention, above-mentioned when forming first sensing serials and the second net metal sensor pad, more be included in and form a plurality of plan conductive patterns between the second net metal sensor pad and first sensing serials, wherein intend conductive pattern for electrically floating.
Based on above-mentioned, the present invention is at the sense line layer that forms metal material on the substrate in regular turn, covers the insulation course of sense line layer and be positioned at transparency conducting layer on the insulation course.Therefore, the making of contact panel of the present invention exposes the oxidative phenomena that is caused except avoiding known metal, outside the fiduciary level that improves contact panel, it also only adopts three road technologies promptly to finish the making of whole contact panel, can effectively reduce processing step, to reduce manufacturing cost and to be suitable for volume production.
For above-mentioned feature and advantage of the present invention can be become apparent, embodiment cited below particularly, and cooperate appended accompanying drawing to be described in detail below.
Description of drawings
Fig. 1 is the process flow diagram of manufacture method of a kind of contact panel of one embodiment of the invention;
Fig. 2 A is the schematic top plan view of a kind of contact panel of one embodiment of the invention;
Fig. 2 B is the diagrammatic cross-section along the line I-I of Fig. 2 A;
Fig. 3 is the schematic top plan view of a kind of contact panel of another embodiment of the present invention.
Wherein, Reference numeral
100a, 100b: contact panel 110: substrate
112: Touch Zone 114: surrounding zone
120,120 ': sense line layer 122,122 ': first sensing serials
121a, 121b, 125a: the first strip metal pattern 122a, 122a ': the first net metal sensor pad
122b, 122b ': the first bridging line 123a, 123b, 127a: the second strip metal pattern
124,124 ': the second sensing serials 124a, 124a ': the second net metal sensor pad
126: perimeter circuit 130: insulation course
134: the second contact holes of 132: the first contact holes
136: transparent dielectric pattern layer 138: box-shaped pattern layer
140: 142: the second transparent bridging lines of transparency conducting layer
144: transparent contact mat 150: intend conductive pattern
D1: first direction D2: second direction
S10～S40: step
Embodiment
Fig. 1 is the process flow diagram of manufacture method of a kind of contact panel of one embodiment of the invention, and Fig. 2 A is the schematic top plan view of a kind of contact panel of one embodiment of the invention, and Fig. 2 B is the diagrammatic cross-section along the line I-I of Fig. 2 A.Please earlier simultaneously with reference to figure 1 and Fig. 2 A, the method for making of the contact panel of present embodiment comprises step S10～step S40.At first, provide a substrate 110 (step S10), wherein substrate 110 has a Touch Zone 112 and a surrounding zone 114.In the present embodiment, substrate 110 for example is a glass substrate, a plastic substrate, a printed circuit board (PCB) or a display panel.
Then, please also refer to Fig. 1 and Fig. 2 A, on the Touch Zone 112 of substrate 110, form a sense line layer 120 (step S20).Specifically, sense line layer 120 comprises a plurality of first sensing serials 122, a plurality of second net metal sensor pad 124a and a plurality of perimeter circuit 126, and wherein perimeter circuit 126 electrically connects with first sensing serials 122 respectively.Each first sensing serials 122 comprises a plurality of first net metal sensor pad 122a and a plurality of first bridging line 122b, and wherein each first bridging line 122b is connected between the two adjacent first net metal sensor pad 122a.Shown in Fig. 2 A, first sensing serials 122 of present embodiment is along first direction D1 extension and is disposed on the substrate 110, and the first different sensing serials 122 is electrically insulated each other.The second net metal sensor pad 124a is along second direction D2 extension and is disposed on the substrate 110, and the second different net metal sensor pad 124a is electrically insulated each other.In addition, aforesaid second direction D2 and first direction D1 are crossing in fact.In this enforcement, first direction D1 and second direction D2 can be vertical mutually, and perhaps in alternate embodiment, it is not 90 ° angle that the angle between first direction D1 and the second direction D2 can be other.
For instance, net-like pattern among the first net metal sensor pad 122a and the second net metal sensor pad 124a can be the net metal of arbitrary shape, mesh shape for example is regularly arranged triangle, square, rhombus, rectangle, sexangle, polygon, cruciform or other shapes, and mesh shape can also be that irregular mode is arranged.In the present embodiment, with square net metal sensor pad is example, each first net metal sensor pad 122a is made of many first strip metal pattern 121a parallel to each other and many second strip metal pattern 123a parallel to each other, and wherein the first strip metal pattern 121a and the second strip metal pattern 123a are staggered.More particularly, the angle between the bearing of trend of the bearing of trend of the first strip metal pattern 121a of present embodiment and the first bridging line 122b for example is about 45 degree.Angle between the bearing of trend of the second strip metal pattern 123a and the bearing of trend of the first bridging line 122b for example is about 45 degree.In addition, when aforesaid substrate 110 is display panel, for fear of as seen visual, the live width of each first strip metal pattern 121a for example is between 1 micron to 10 microns, and be preferably between 1 micron to 6 microns, and the live width of each second strip metal pattern 123a for example is between 1 micron to 10 microns, and preferable between 1 micron to 6 microns.Can know from Fig. 2 A and to learn that the first strip metal pattern 121a and the second strip metal pattern 123a are in that the staggered place is interconnective in twos.
In the present embodiment, the shape with the first net metal sensor pad 122a is identical in fact for the shape of the second net metal sensor pad 124a.That is to say, each second net metal sensor pad 124a is made of many first strip metal pattern 125a parallel to each other and many second strip metal pattern 127a parallel to each other, and wherein the first strip metal pattern 125a and the second strip metal pattern 127a are staggered.More particularly, the angle between the bearing of trend of the bearing of trend of the first strip metal pattern 125a of present embodiment and the first bridging line 122b for example is to be about 45 degree.Angle between the bearing of trend of the second strip metal pattern 127a and the bearing of trend of the first bridging line 122b for example is to be about 45 degree.In addition, for fear of as seen visual, the live width of each first strip metal pattern 125a for example is between 1 micron to 10 microns, and it is preferable between 1 micron to 6 microns, and the live width of each second strip metal pattern 127a for example is between 1 micron to 10 microns, and preferable between 1 micron to 6 microns.Similarly, can know from Fig. 2 A and to learn that the first strip metal pattern 125a and the second strip metal pattern 127a are in that the staggered place is interconnective in twos.
In the present embodiment, when forming first sensing serials 122 and the second net metal sensor pad 124a, optionally between the second net metal sensor pad 124a and first sensing serials 122, form a plurality of plan conductive patterns 150, wherein intend conductive pattern 150 for electrically floating.That is to say, intend conductive pattern 150, first sensing serials 122 and the second net metal sensor pad 124a and belong to same rete, and all be to adopt metal material made.Wherein, intending being provided with of conductive pattern 150 mainly is in order effectively to shield the cross-talk phenomenon (cross-talk) between first sensing serials 122 and the second net metal sensor pad 124a, to improve the sensing sensitivity of contact panel 100a.
Then, please also refer to Fig. 1, Fig. 2 A and Fig. 2 B, step S30, on substrate 110, form an insulation course 130 to cover sense line layer 120, wherein insulation course 130 has a plurality of first contact holes 132 and a plurality of second contact hole 134, and first contact hole 132 is with the subregion exposure of the second net metal sensor pad 124a.Insulation course 130 optionally comprises a transparent dielectric pattern layer 136.Particularly, among present embodiment, insulation course 130 can comprise a transparent dielectric pattern layer 136 and a box-shaped pattern layer 138, wherein transparent dielectric pattern layer 136 is positioned on the Touch Zone 112 of substrate 110, box-shaped pattern layer 138 then is positioned on the surrounding zone 114 of substrate 110, and the material of box-shaped pattern layer 138 for example is black resin or other colouring resins.
At last, please more simultaneously with reference to figure 1, Fig. 2 A and Fig. 2 B, step S40 forms a transparency conducting layer 140 on the insulation course 130 in the Touch Zone 112 of substrate 110.Specifically, in the present embodiment, transparency conducting layer 140 comprises a plurality of second transparent bridging lines 142 and a plurality of transparent contact mat 144, and wherein each second transparent bridging line 142 is respectively by two first contact holes 132 and two adjacent second net metal sensor pad 124a electric connections.The second net metal sensor pad 124a and the second transparent bridging line 142 can constitute a plurality of second sensing serials 124, and wherein the bearing of trend of the first bridging line 122b of first sensing serials 122 is in fact perpendicular to the bearing of trend of the second transparent bridging line 142.
Particularly, in the present embodiment, the first bridging line 122b does not contact with the second transparent bridging line 142, and the first bridging line 122b is the below that is positioned at the second transparent bridging line 142.In addition, by second contact hole 134 and corresponding perimeter circuit 126 electric connections, the perimeter circuit 126 under each transparent contact mat 144 can be single metal line, many metal line or metal gasket to each transparent contact mat 144 respectively.The material of transparency conducting layer 140 for example is indium tin oxide, indium-zinc oxide, aluminium zinc oxide.In brief, the first bridging line 122b of present embodiment belongs to different retes with the second transparent bridging line 142, promptly the first bridging line 122b adopts metal material to constitute, and the second transparent bridging line 142 is that employing is nonmetal, for example is that indium tin oxide, indium-zinc oxide or aluminium zinc oxide constitute.So far, finished the preliminary making of contact panel 100a.Because the sense line layer 120 of present embodiment uses the net metal of low resistance, can avoid the too high not good problem of sensing sensitivity that causes of known resistance.In addition, second transparent bridging line 142 of present embodiment and transparent contact mat 144 all are to adopt the transparent conductive material of metal oxide to constitute, even therefore the second transparent bridging line 142 is exposed in the air for a long time with transparent contact mat 144, still there is not known metal autoxidation to reduce the problem of resistance.
In brief, present embodiment is the sense line layer 120 that forms metal material earlier on substrate 110, then, form insulation course 130 to cover sense line layer 120, at last, on partial insulative layer 130, form transparency conducting layer 140 again, and make the second transparent bridging line 142 and two adjacent second net metal sensor pad 124a electric connections, and finish the making of the contact panel 100a of present embodiment by first contact hole 132 of insulation course 130.Because the above-mentioned method for making that adopts is to cover sense line layer 120 by insulation course 130 and transparency conducting layer 140, therefore can avoid known metal to expose the oxidative phenomena that causes, can improve fiduciary level and the serviceable life of the contact panel 100a of present embodiment.In addition, because present embodiment only adopts three road photoengraving carving technologies to make contact panel 100a, therefore compared to the multiple tracks processing step of known contact panel, present embodiment can reduce the processing step of contact panel 100a, to reduce manufacturing cost effectively.
What deserves to be mentioned is, the present invention is not limited to square net metal pattern, therefore do not limit the bearing of trend of the first strip metal pattern 121a and the second strip metal pattern 123a, though mentioned herein and the bearing of trend of bearing of trend and the first bridging line 122b of the first strip metal pattern 121a between angle be about 45 degree, and the bearing of trend of the second strip metal pattern 123a in fact and the angle between the bearing of trend of the first bridging line 122b be about 45 and spend.But, in other embodiments, the bearing of trend of the first strip metal pattern 121b of contact panel 100b also can be parallel to the bearing of trend of the first bridging line 122b ' in fact, and the bearing of trend of the second strip metal pattern 123b also can be parallel to the bearing of trend of the second transparent bridging line 142 in fact, as shown in Figure 3.In other words, first net metal sensor pad 122a that Fig. 2 A is illustrated and the form of the second net metal sensor pad 124a only are in order to illustrate, and are not in order to limit the present invention.
In sum, the method for making of contact panel of the present invention exposes the oxidative phenomena that is caused except avoiding known metal, outside the fiduciary level that improves contact panel, it also only adopts three road technologies promptly to finish the making of whole contact panel, can effectively reduce processing step, to reduce manufacturing cost.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (18)
1. the manufacture method of a contact panel is characterized in that, comprising:
One substrate is provided, and this substrate has a Touch Zone and a surrounding zone;
On this Touch Zone of this substrate, form a sense line layer, this sense line layer comprises a plurality of first sensing serials, a plurality of second net metal sensor pads and a plurality of perimeter circuit, respectively this first sensing serials comprises a plurality of first net metal sensor pads and a plurality of first bridging line, and respectively this first bridging line is connected between the two adjacent first net metal sensor pads;
Form an insulation course to cover this sense line layer on this substrate, it is characterized in that this insulation course has a plurality of first contact holes and a plurality of second contact hole, these first contact holes expose the subregion of these second net metal sensor pads; And
Form a transparency conducting layer on this insulation course in this Touch Zone, this transparency conducting layer comprises a plurality of second transparent bridging lines and a plurality of transparent contact mat, respectively this second transparent bridging line is respectively by 2 first contact holes and two adjacent second net metal sensor pad electric connections, these second net metal sensor pads and these second transparent bridging lines constitute a plurality of second sensing serials, and respectively this transparent contact mat is respectively by these second contact holes and corresponding perimeter circuit electric connection.
2. the manufacture method of contact panel according to claim 1 is characterized in that, this substrate comprises a glass substrate, a plastic substrate, a printed circuit board (PCB) or a display panel.
3. the manufacture method of contact panel according to claim 1, it is characterized in that, this insulation course comprises a transparent dielectric pattern layer and a box-shaped pattern layer, and this transparent dielectric pattern layer is positioned on this Touch Zone of this substrate, and this box-shaped pattern layer is positioned on this surrounding zone of this substrate.
4. the manufacture method of contact panel according to claim 3 is characterized in that, the material of this box-shaped pattern layer comprises black resin or colouring resin.
5. the manufacture method of contact panel according to claim 1 is characterized in that, the material of this transparency conducting layer comprises indium tin oxide, indium-zinc oxide, aluminium zinc oxide.
6. the manufacture method of contact panel according to claim 1, it is characterized in that, respectively this first net metal sensor pad is made of many first strip metal patterns parallel to each other and many second strip metal patterns parallel to each other, and these first strip metal patterns and these second strip metal patterns are staggered.
7. the manufacture method of contact panel according to claim 6, it is characterized in that, the bearing of trend of these first bridging lines is in fact perpendicular to the bearing of trend of these second transparent bridging lines, and the bearing of trend of these first strip metal patterns is parallel to the bearing of trend of these first bridging lines in fact, and the bearing of trend of these second strip metal patterns is parallel to the bearing of trend of these second transparent bridging lines in fact.
8. the manufacture method of contact panel according to claim 6, it is characterized in that, the bearing of trend of these first bridging lines is in fact perpendicular to the bearing of trend of these second transparent bridging lines, and the angle between the bearing of trend of the bearing of trend of these first strip metal patterns and these first bridging lines is about 45 degree, and the angle between the bearing of trend of the bearing of trend of these second strip metal patterns and these first bridging lines is about 45 degree.
9. the manufacture method of contact panel according to claim 6 is characterized in that, respectively the live width of this first strip metal pattern between 1 micron to 6 microns, and respectively the live width of this second strip metal pattern between 1 micron to 6 microns.
10. the manufacture method of contact panel according to claim 1, it is characterized in that, when forming this first sensing serials and these second net metal sensor pads, more be included in and form a plurality of plan conductive patterns between these second net metal sensor pads and this first sensing serials, wherein these intend conductive pattern for electrically floating.
11. the manufacture method of a contact panel is characterized in that, comprising:
One substrate is provided, and this substrate has a Touch Zone and a surrounding zone;
On this Touch Zone of this substrate, form a sense line layer, this sense line layer comprises a plurality of first sensing serials and a plurality of second net metal sensor pad, respectively this first sensing serials comprises a plurality of first net metal sensor pads and a plurality of first bridging line, and respectively this first bridging line is connected between the two adjacent first net metal sensor pads;
Form an insulation course to cover this sense line layer on this substrate, wherein this insulation course has a plurality of first contact holes with the subregion exposure with these second net metal sensor pads; And
Form a plurality of second transparent bridging lines on this insulation course in this Touch Zone, respectively this second transparent bridging line is respectively by 2 first contact holes and two adjacent second net metal sensor pad electric connections, these second sensor pads and these second transparent bridging lines constitute a plurality of second sensing serials, and the subregion of the second net metal sensor pad that is exposed by these first contact holes is covered by these second transparent bridging lines fully.
12. the manufacture method of contact panel according to claim 11 is characterized in that, when forming this sense line layer, this surrounding zone that more is included in this substrate forms a plurality of perimeter circuits; This insulation course has more a plurality of second contact holes and exposes with the subregion with these perimeter circuits; And when forming these second transparent bridging lines, more be included in a plurality of conductive layers of formation on this insulation course this Touch Zone in, so that the subregion of these perimeter circuits that exposed by these second contact holes is covered by these conductive layers fully.
13. the manufacture method of contact panel according to claim 11 is characterized in that, this substrate comprises a glass substrate, a plastic substrate, a printed circuit board (PCB) or a display panel.
14. the manufacture method of contact panel according to claim 11, it is characterized in that, respectively this first net metal sensor pad is made of many first strip metal patterns parallel to each other and many second strip metal patterns parallel to each other, and these first strip metal patterns and these second strip metal patterns are staggered.
15. the manufacture method of contact panel according to claim 14, it is characterized in that, the bearing of trend of these first bridging lines is in fact perpendicular to the bearing of trend of these second transparent bridging lines, and the bearing of trend of these first strip metal patterns is parallel to the bearing of trend of these first bridging lines in fact, and the bearing of trend of these second strip metal patterns is parallel to the bearing of trend of these second transparent bridging lines in fact.
16. the manufacture method of contact panel according to claim 14, it is characterized in that, the bearing of trend of these first bridging lines is in fact perpendicular to the bearing of trend of these second transparent bridging lines, and the angle between the bearing of trend of the bearing of trend of these first strip metal patterns and these first bridging lines is about 45 degree, and the angle between the bearing of trend of the bearing of trend of these second strip metal patterns and these first bridging lines is about 45 degree.
17. the manufacture method of contact panel according to claim 14 is characterized in that, respectively the live width of this first strip metal pattern between 1 micron to 6 microns, and respectively the live width of this second strip metal pattern between 1 micron to 6 microns.
18. the manufacture method of contact panel according to claim 11, it is characterized in that, when forming this first sensing serials and these second net metal sensor pads, more be included in and form a plurality of plan conductive patterns between these second net metal sensor pads and this first sensing serials, wherein these intend conductive pattern for electrically floating.
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| CN2010105132371A CN101976146B (en) | 2010-10-12 | 2010-10-12 | Method for manufacturing touch panel |
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| WO2013023418A1 (en) * | 2011-08-17 | 2013-02-21 | Tpk Touch Solutions (Xiamen) Inc. | Touchpaneland manufacturing method thereof |
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