CN104793821A - Touch panel and manufacturing method - Google Patents
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- CN104793821A CN104793821A CN201510187761.7A CN201510187761A CN104793821A CN 104793821 A CN104793821 A CN 104793821A CN 201510187761 A CN201510187761 A CN 201510187761A CN 104793821 A CN104793821 A CN 104793821A
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Abstract
The invention relates to a touch panel. The touch panel comprises a substrate, a first conducting layer, an insulating layer, a second conducting layer, a first electrode lead and a second electrode lead. The substrate is provided with a top face; the first conducting layer is formed on the top face and is provided with a plurality of first touch electrode patterns arranged at intervals, the insulating layer is arranged on the surface, back to the substrate, of the first electrode lead, the second conducting layer is arranged on the surface, back to the first conducting layer, of the insulating layer, the insulating layer enables the first conducting layer to be isolated from the second conducting layer, the second conducting layer is provided with a plurality of second touch electrode patterns arranged at intervals, and the ends of the second touch electrode patterns exceed the boundary of the insulating layer and extend to the top face of the substrate; the first electrode lead and the second electrode lead are formed on the top face of the substrate at the same time, so that the first electrode lead is connected with the first touch electrode patterns, and the end, extending to the top face of the substrate, of the second electrode lead and the second touch electrode patterns are connected. By means of the touch panel, the electrode lead manufacturing procedure is better simplified. Meanwhile, a manufacturing method of the touch panel is provided.
Description
Technical field
The present invention relates to technical field of touch control, particularly relate to a kind of contact panel and preparation method thereof.
Background technology
Touch-screen (Touch panel) is also called contact panel, that one is very directly perceived, convenient, man-machine interaction mode efficiently, gradually from the personal consumption electronic applications such as mobile phone, panel computer, notebook computer extend to public information inquiry, vehicle-mounted touch-control and other need the place of man-machine interaction.
The touch-screen of current external hanging type mainly contains OGS (One Glass Solution, integration touch-control), GG (Glass-Glass) etc. are based on the capacitive touch screen of the based thin film sensor such as capacitive touch screen and GFF (Glass-Film-Film), GF (Glass-Film) of glass sensor.
ITO (Indium Tin Oxides, nano indium tin metal oxide) is directly formed directly into the back side of glass cover-plate (Cover glass) by the mode of plated film or is formed on other independently glass substrate by the capacitive touch screen of traditional OGS, GG; But because OGS structure touch-screen only comprises monolithic glass, intensity is very low; Make in electrode pattern process simultaneously and need to put up a bridge, complex procedures, cost is very high; And GG structure touch-screen, because of needs double glazing, thickness is comparatively large, adds weight simultaneously, is unfavorable for realizing lightening.
And thin-film type capacitance touch-screen is frivolous, cost is lower simultaneously, and therefore thin-film capacitive touch screen is developed in recent years fast, especially the touch-screen of GFF bilayer conductive membrane structure.Traditional GFF structure touch-screen, its upper and lower conducting electrode patterns and metal lead wire making independently, because metal lead wire is distributed in two-layer, therefore, make the process more complicated of metal lead wire.
Summary of the invention
Based on this, be necessary for above-mentioned technical matters, provide a kind of and can simplify contact panel of contact conductor processing procedure and preparation method thereof.
A kind of contact panel, comprising:
Substrate, has an end face;
First conductive layer, is formed at described end face, and described first conductive layer has multiple spaced first touch control electrode pattern, and described first touch control electrode pattern extends along the first dimension direction in two-dimensional coordinate system;
First contact conductor, is arranged at described end face, and one end is connected with described first touch control electrode pattern;
Insulation course, is arranged at the surface of described first conductive layer back on described substrate;
Second conductive layer, be arranged at the surface of described insulation course back on described first conductive layer, described first conductive layer and described second conductive layer mutually insulated, described second conductive layer has multiple spaced second touch control electrode pattern, described second touch control electrode pattern extends along the two-dimensional directional in two-dimensional coordinate system, and the end of described second touch control electrode pattern exceeds the border of described insulation course and extends to described end face; And
Second contact conductor, is arranged at described end face, and the end that one end and described second touch control electrode pattern extend to described end face is connected.
Wherein in an embodiment, described first contact conductor comprises the first connecting portion and the first leading part, described first connecting portion is overlapped on the end of described first touch control electrode pattern, and described first leading part is connected with the end of described first connecting portion and described first touch control electrode pattern; Described second contact conductor comprises the second connecting portion and the second leading part, described second connecting portion is overlapped in described second touch control electrode pattern and extends on the end of described end face, and the end that described second leading part extends to described end face with described second connecting portion and described second touch control electrode pattern is connected.
Wherein in an embodiment, the thickness of described first leading part equals the thickness sum of described first connecting portion and described first touch control electrode pattern end; The thickness of described second leading part equals the thickness sum of described second connecting portion and described second touch control electrode pattern end.
Wherein in an embodiment, described second contact conductor is connected to the same end of described second touch control electrode pattern.
Wherein in an embodiment, the thickness range of described first conductive layer and described second conductive layer is 0.001 μm ~ 5 μm.
Wherein in an embodiment, described first conductive layer and described second conductive layer are indium tin oxide layer, metal nanometer line layer, wire netting compartment, graphene layer, carbon nanotube layer or Polyglycolic acid fibre layer.
Wherein in an embodiment, the thickness range of described insulation course is 0.001 μm ~ 5 μm.
A method for making for contact panel, comprises the following steps:
There is provided substrate, described substrate comprises an end face;
Form the first conductive layer at described end face, described first conductive layer has multiple spaced first touch control electrode pattern, and described first touch control electrode pattern extends along the first dimension direction in two-dimensional coordinate system;
At the surface formation insulation course of described first conductive layer back on described substrate, the area of described insulation course is less than the area of described substrate;
The second conductive layer is formed back on the surface of described first conductive layer at described insulation course, described first conductive layer and described second conductive layer mutually insulated, described second conductive layer has multiple spaced second touch control electrode pattern, described second touch control electrode pattern extends along the two-dimensional directional in two-dimensional coordinate system, and the end of described second touch control electrode pattern exceeds the border of described insulation course and extends to described end face; And
Form the first contact conductor and the second contact conductor on the top surface simultaneously, one end of described first contact conductor is connected with described first touch control electrode pattern, and the end that one end and the described second touch control electrode pattern of described second contact conductor extend to described end face is connected.
Wherein in an embodiment, described first conductive layer and described second conductive layer are formed by the mode of sputter, coating or printing;
Described multiple first touch control electrode pattern and multiple second touch control electrode pattern are formed by development-etching or radium-shine patterned way.
Wherein in an embodiment, the material of described insulation course is the transparent photosensitive base material of complex of transparent plastics material, transparent feel photopolymer resin or photosensitive resin and polyimide; Described insulation course is formed by sputter, transfer printing, hot pressing, coating or mode of printing.
Above-mentioned contact panel and preparation method thereof at least has the following advantages:
First conductive layer is formed at the end face of substrate, first conductive layer has multiple spaced first touch control electrode pattern, insulation course is arranged at the surface of the first conductive layer back on substrate, second conductive layer is arranged at the surface of insulation course back on the first conductive layer, insulation course makes the first conductive layer and the second conductive layer mutually insulated, second conductive layer has multiple spaced second touch control electrode pattern, and the end of the second touch control electrode pattern exceeds the border of insulation course and extends to the end face of substrate, therefore the first contact conductor and the second contact conductor can be formed at the end face of substrate simultaneously, realize the first contact conductor to be connected with the first touch control electrode pattern, the end that second contact conductor extends to the end face of substrate with the second touch control electrode pattern is connected.Be conducive to simplifying contact conductor processing procedure, thus simplify the processing procedure of contact panel.
Accompanying drawing explanation
Fig. 1 is the structural representation of the contact panel in an embodiment;
Fig. 2 is the partial sectional view of contact panel shown in Fig. 1;
Fig. 3 is the structural representation of the contact panel in another embodiment;
Fig. 4 is the schematic flow sheet of the method for making of contact panel in an embodiment.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.Set forth a lot of detail in the following description so that fully understand the present invention.But the present invention can be much different from alternate manner described here to implement, those skilled in the art can when without prejudice to doing similar improvement when intension of the present invention, therefore the present invention is by the restriction of following public concrete enforcement.
Term as used herein " vertical ", " level ", "left", "right" and similar statement just for illustrative purposes, do not represent it is unique embodiment.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention herein just in order to describe specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
Referring to Fig. 1 and Fig. 2, is the contact panel 100 in an embodiment.This contact panel 100 comprises substrate 110, first conductive layer 120, first contact conductor 130, insulation course 140, second conductive layer 150 and the second contact conductor 160.
Substrate 110 is transparent substrates, and the material of substrate 110 can be glass.Substrate 110 is for playing a supportive role to the first conductive layer 120, first contact conductor 130, insulation course 140, second conductive layer 150 and the second contact conductor 160.The thickness range of substrate 110 can be 0.01mm ~ 0.5mm.Substrate 110 has an end face 111.
First conductive layer 120 is formed on the end face 111 of substrate 110.Particularly, the first conductive layer 120 can be formed by modes such as sputter, coating or printings.First conductive layer 120 has multiple spaced first touch control electrode pattern 121, first touch control electrode pattern 121 and extends along the first dimension direction (X-axis as in Fig. 1) in two-dimensional coordinate system.First touch control electrode pattern 121 can be strip.Multiple first touch control electrode pattern 121 graphically can be obtained by development-etching or radium-shine mode.The thickness range of the first conductive layer 120 is 0.001 μm ~ 5 μm.
First conductive layer 120 is transparency conducting layer, particularly, transparent material can be adopted to be formed, certainly, also can lead to overetched mode and reach visually-clear.First conductive layer 120 can be tin indium oxide (ITO) layer, metal nanometer line layer, metal grill (Metal mesh) layer, Graphene (Graphene) layer, carbon nano-tube (CNB) layer or Polyglycolic acid fibre (PEDOT) layer.Metal nanometer line can be nano-silver thread, NANO CRYSTAL COPPER WIRE or gold nanowire etc.
First contact conductor 130 is arranged on end face 111, and one end is connected with the first touch control electrode pattern 121.Particularly, the quantity of the first contact conductor 130 is many, can be connected with one first touch control electrode pattern 121 by first contact conductor 130, also can be connected with at least two the first touch control electrode patterns 121 by first contact conductor 130, realize the first contact conductor 130 and be electrically connected with the first touch control electrode pattern 121.
First contact conductor 130 comprises the first connecting portion 131 and the first leading part 132, first connecting portion 131 is overlapped on the end of the first touch control electrode pattern 121, and the first leading part 132 is connected with the end of the first connecting portion 131 and the first touch control electrode pattern 121.The thickness of the first leading part 132 equals the thickness sum of the first connecting portion 131 and the first touch control electrode pattern 121 end.The object arranging the first connecting portion 131 is the strength of joint in order to strengthen the first contact conductor 130 and the first touch control electrode pattern 121, avoids the risk occurring fracture.
First contact conductor 130 can be plain conductor, such as gold thread, silver-colored line, copper cash or Mo-Al-Mo alloy wire etc.Specific in present embodiment, the thickness of the first contact conductor 130 is 0.001 μm ~ 50 μm.
Insulation course 140 is arranged at the surface of the first conductive layer 120 back on substrate 110.The object of insulation course 140 is to intercept the first conductive layer 120 and the second conductive layer 150, to make mutually insulated between the first conductive layer 120 and the second conductive layer 150.Particularly, insulation course 140 is transparent insulating layer, and such as insulation course 140 can be the transparent photosensitive base material of complex of transparent plastics material, transparent feel photopolymer resin or photosensitive resin and polyimide.Transparent plastics material such as, the transparent plastics material that the insulativity such as polyimide (PI), polyethylene terephthalate (PET), polymethylmethacrylate (PMMA), polycarbonate (PC) are good.
Insulation course 140 can be formed by modes such as sputter, transfer printing, hot pressing, coating, printings.The area of insulation course 140 is less than the area of substrate 110.Specific in embodiment, the thickness of insulation course 140 is 0.001 μm ~ 5 μm.
Second conductive layer 150 is arranged at the surface of insulation course 140 back on the first conductive layer 120.Particularly, the second conductive layer 150 can be formed by modes such as sputter, coating or printings.First conductive layer 120 and the second conductive layer 150 mutually insulated.Second conductive layer 150 has multiple spaced second touch control electrode pattern 151, second touch control electrode pattern 151 and extends along the two-dimensional directional (Y-axis as in Fig. 1) in two-dimensional coordinate system.The end of the second touch control electrode pattern 151 exceeds the border of insulation course 140 and extends to the surface 111 of substrate 110.Second touch control electrode pattern 151 can be strip.
In the present embodiment, the same end of all second touch control electrode patterns 151 exceeds the border of insulation course 140 and extends to the end face 111 of substrate 110.Certainly, in other embodiments (as shown in Figure 3), also same one end of the second touch control electrode pattern 251 of a part can exceed the border of insulation course 240 and extend to the end face 211 of substrate 210, another of the second touch control electrode pattern 251 of another part exceeds another border of insulation course 240 with one end and extends to the end face 211 of substrate 210.
Multiple second touch control electrode pattern 151 graphically can be obtained by development-etching or radium-shine mode.The thickness range of the second conductive layer 150 is 0.001 μm ~ 5 μm.Second conductive layer 150 is transparency conducting layer, particularly, transparent material can be adopted to be formed, certainly, also can lead to overetched mode and reach visually-clear.Second conductive layer 150 can be tin indium oxide (ITO) layer, metal nanometer line layer, metal grill (Metal mesh) layer, Graphene (Graphene) layer, carbon nano-tube (CNB) layer or Polyglycolic acid fibre (PEDOT) layer.Metal nanometer line can be nano-silver thread, NANO CRYSTAL COPPER WIRE or gold nanowire etc.
Second contact conductor 160 is arranged at end face 111, and the end that one end and the second touch control electrode pattern 151 extend to end face 111 is connected.Particularly, the quantity of the second contact conductor 160 is many, can be connected with the end that one second touch control electrode pattern 151 extends to end face 111 by second contact conductor 160, also can be connected with the end that at least two the second touch control electrode patterns 151 extend to end face 111 by second contact conductor 160, realize the second contact conductor 160 and be electrically connected with the second touch control electrode pattern 151.Second contact conductor 160 is connected to the same end of the second touch control electrode pattern 151.
Second contact conductor 160 comprises the second connecting portion 161 and the second leading part 162, second connecting portion 161 is overlapped in the second touch control electrode pattern 151 and extends on the end of end face 111, and the end that the second leading part 162 extends to end face 111 with the second connecting portion 161 and the second touch control electrode pattern 151 is connected.The thickness of the second leading part 162 equals the thickness sum of the second connecting portion 161 and the second touch control electrode pattern 151 end.The object arranging the second connecting portion 161 is the strength of joint in order to strengthen the second contact conductor 160 and the second touch control electrode pattern 151, avoids the risk occurring fracture.
Second contact conductor 160 can be plain conductor, such as gold thread, silver-colored line, copper cash or Mo-Al-Mo alloy wire etc.Specific in present embodiment, the thickness of the second contact conductor 160 is 0.001 μm ~ 50 μm.
Referring to Fig. 4, is the schematic flow sheet of the method for making of contact panel in an embodiment.The method for making of contact panel specifically comprises the following steps:
Step S110, provides substrate 110, and substrate 110 comprises an end face 111.Substrate 110 is transparent substrates, and the material of substrate 110 can be glass.The thickness range of substrate 110 can be 0.01mm ~ 0.5mm.
Step S120, forms the first conductive layer 120, first conductive layer 120 at end face 111 and has multiple spaced first touch control electrode pattern 121, first touch control electrode pattern 121 along the first dimension direction extension in two-dimensional coordinate system.Particularly, the first conductive layer 120 can be formed by modes such as sputter, coating or printings.Multiple first touch control electrode pattern 121 graphically can be obtained by development-etching or radium-shine mode.The thickness range of the first conductive layer 120 is 0.001 μm ~ 5 μm.
Step S130, at the surface formation insulation course 140 of the first conductive layer 120 back on substrate 110, the area of insulation course 140 is less than the area of substrate 110.The material of insulation course 140 is the transparent photosensitive base material of complex of transparent plastics material, transparent feel photopolymer resin or photosensitive resin and polyimide.Transparent plastics material such as, the transparent plastics material that the insulativity such as polyimide (PI), polyethylene terephthalate (PET), polymethylmethacrylate (PMMA), polycarbonate (PC) are good.Insulation course 140 is formed by sputter, transfer printing, hot pressing, coating or mode of printing.Specific in embodiment, the thickness of insulation course 140 is 0.001 μm ~ 5 μm.
Step S140, the second conductive layer 150 is formed back on the surface of the first conductive layer 120 at insulation course 140, first conductive layer 120 and the second conductive layer 150 mutually insulated, second conductive layer 150 has multiple spaced second touch control electrode pattern 151, second touch control electrode pattern 151 extends along the two-dimensional directional in two-dimensional coordinate system, and the end of the second touch control electrode pattern 151 exceeds the border of insulation course 140 and extends to end face 111.Particularly, the second conductive layer 150 can be formed by modes such as sputter, coating or printings.Multiple second touch control electrode pattern 151 graphically can be obtained by development-etching or radium-shine mode.The thickness range of the second conductive layer 150 is 0.001 μm ~ 5 μm.
Step S150, end face 111 is formed the first contact conductor 130 and the second contact conductor 160 simultaneously.Such as, can be formed by modes such as sputter, printing or coatings.One end of first contact conductor 130 is connected with the first touch control electrode pattern 121, and the end that one end and the second touch control electrode pattern 151 of the second contact conductor 160 extend to end face 111 is connected.First contact conductor 130 and the second contact conductor 160 can be plain conductor, such as gold thread, silver-colored line, copper cash or Mo-Al-Mo alloy wire etc.Specific in present embodiment, the thickness of the first contact conductor 130 and the second contact conductor 160 is 0.001 μm ~ 50 μm.
Above-mentioned contact panel and preparation method thereof at least has the following advantages:
First conductive layer 120 is formed at the end face 111 of substrate 110, first conductive layer 120 has multiple spaced first touch control electrode pattern 121, insulation course 140 is arranged at the surface of the first conductive layer 120 back on substrate 110, second conductive layer 150 is arranged at the surface of insulation course 140 back on the first conductive layer 120, insulation course 140 makes the first conductive layer 120 and the second conductive layer 150 mutually insulated, second conductive layer 150 has multiple spaced second touch control electrode pattern 151, and the end of the second touch control electrode pattern 151 exceeds the border of insulation course 140 and extends to end face 111, therefore the first contact conductor 130 and the second contact conductor 160 can be formed at the end face 111 of substrate 110 simultaneously, realize the first contact conductor 130 to be connected with the first touch control electrode pattern 121, the end that second contact conductor 160 extends to described end face 111 with the second touch control electrode pattern 151 is connected.Be conducive to simplifying contact conductor processing procedure, thus simplify the processing procedure of contact panel.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a contact panel, is characterized in that, comprising:
Substrate, has an end face;
First conductive layer, is formed at described end face, and described first conductive layer has multiple spaced first touch control electrode pattern, and described first touch control electrode pattern extends along the first dimension direction in two-dimensional coordinate system;
First contact conductor, is arranged at described end face, and one end is connected with described first touch control electrode pattern;
Insulation course, is arranged at the surface of described first conductive layer back on described substrate;
Second conductive layer, be arranged at the surface of described insulation course back on described first conductive layer, described first conductive layer and described second conductive layer mutually insulated, described second conductive layer has multiple spaced second touch control electrode pattern, described second touch control electrode pattern extends along the two-dimensional directional in two-dimensional coordinate system, and the end of described second touch control electrode pattern exceeds the border of described insulation course and extends to described end face; And
Second contact conductor, is arranged at described end face, and the end that one end and described second touch control electrode pattern extend to described end face is connected.
2. contact panel according to claim 1, it is characterized in that, described first contact conductor comprises the first connecting portion and the first leading part, described first connecting portion is overlapped on the end of described first touch control electrode pattern, and described first leading part is connected with the end of described first connecting portion and described first touch control electrode pattern; Described second contact conductor comprises the second connecting portion and the second leading part, described second connecting portion is overlapped in described second touch control electrode pattern and extends on the end of described end face, and the end that described second leading part extends to described end face with described second connecting portion and described second touch control electrode pattern is connected.
3. contact panel according to claim 2, is characterized in that, the thickness of described first leading part equals the thickness sum of described first connecting portion and described first touch control electrode pattern end; The thickness of described second leading part equals the thickness sum of described second connecting portion and described second touch control electrode pattern end.
4. contact panel according to claim 1, is characterized in that, described second contact conductor is connected to the same end of described second touch control electrode pattern.
5. contact panel according to claim 1, is characterized in that, the thickness range of described first conductive layer and described second conductive layer is 0.001 μm ~ 5 μm.
6. contact panel according to claim 1, is characterized in that, described first conductive layer and described second conductive layer are indium tin oxide layer, metal nanometer line layer, wire netting compartment, graphene layer, carbon nanotube layer or Polyglycolic acid fibre layer.
7. contact panel according to claim 1, is characterized in that, the thickness range of described insulation course is 0.001 μm ~ 5 μm.
8. a method for making for contact panel, is characterized in that, comprises the following steps:
There is provided substrate, described substrate comprises an end face;
Form the first conductive layer at described end face, described first conductive layer has multiple spaced first touch control electrode pattern, and described first touch control electrode pattern extends along the first dimension direction in two-dimensional coordinate system;
At the surface formation insulation course of described first conductive layer back on described substrate, the area of described insulation course is less than the area of described substrate;
The second conductive layer is formed back on the surface of described first conductive layer at described insulation course, described first conductive layer and described second conductive layer mutually insulated, described second conductive layer has multiple spaced second touch control electrode pattern, described second touch control electrode pattern extends along the two-dimensional directional in two-dimensional coordinate system, and the end of described second touch control electrode pattern exceeds the border of described insulation course and extends to described end face; And
Form the first contact conductor and the second contact conductor on the top surface simultaneously, one end of described first contact conductor is connected with described first touch control electrode pattern, and the end that one end and the described second touch control electrode pattern of described second contact conductor extend to described end face is connected.
9. the method for making of contact panel according to claim 8, is characterized in that, described first conductive layer and described second conductive layer are formed by the mode of sputter, coating or printing;
Described multiple first touch control electrode pattern and multiple second touch control electrode pattern are formed by development-etching or radium-shine patterned way.
10. the method for making of contact panel according to claim 8, is characterized in that, the material of described insulation course is the transparent photosensitive base material of complex of transparent plastics material, transparent feel photopolymer resin or photosensitive resin and polyimide; Described insulation course is formed by sputter, transfer printing, hot pressing, coating or mode of printing.
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| CN201510187761.7A CN104793821A (en) | 2015-04-20 | 2015-04-20 | Touch panel and manufacturing method |
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| CN201510187761.7A CN104793821A (en) | 2015-04-20 | 2015-04-20 | Touch panel and manufacturing method |
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