CN103455219A

CN103455219A - Capacitive touch control panel unit

Info

Publication number: CN103455219A
Application number: CN2012105920133A
Authority: CN
Inventors: 林志忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-05-29
Filing date: 2012-12-29
Publication date: 2013-12-18
Also published as: CN203117951U

Abstract

The invention relates to a capacitive touch control panel unit which comprises a transparent substrate, a conductive layer and a protecting layer. The transparent substrate comprises a first side and a second side opposite to the first side. The conductive layer is coated on the second side. The protecting layer is correspondingly fitted to the conductive layer. By the capacitive touch control panel unit, setting of the conductive layer is reduced, manufacturing cost is lowered, and overall thickness is reduced.

Description

The capacitance type touch-control panel unit

Technical field

The invention relates to a kind of capacitance type touch-control panel unit, espespecially a kind of capacitance type touch-control panel unit of the effect with significantly reducing thickness and reducing production costs.

Background technology

Along with developing rapidly of information technology and communication network, the electronics information product is popularized gradually in the individual, relative contact panel also develops rapidly simultaneously, contact panel is according to the difference of its principle of induction now, mainly divide into resistance-type, condenser type, four kinds of electromagnetic type and optical profile types etc., wherein capacitor-type touch panel structure tool is dustproof, the characteristics such as fire prevention and high-res, thereby be used widely, this capacitance type touch-control panel action principle, mainly to confirm contacting points position according to electric capacitance change, utilize approaching producing capacitive electrical variation between electrode of touch control object (as conductors such as fingers), and the coordinate of definite contact point.

Capacitance type touch-control panel gradually become the main flow in touch technology, and be applied in the middle of every electronics information product, for example mobile phone, panel computer, walkman, portable electric device (equipment), various display, monitor etc., its principle of electronics information product of described capacitance type touch-control panel reaches the purpose of touch-control for applying the mode of responding to the formed capacitance variation of human body weak current, and then the change in location that records finger with click situation, and reach the purpose of controlling.

And general capacitive contact panel mainly is applied as the two-layer equation contact panel, its two-layer equation contact panel all carries out multiple tracks screen painting processing procedure or gold-tinted etch process on each transparent conductive substrate the tin indium oxide of corresponding matching (ITO) layer mutually, the material of such transparent conductive substrate mostly is glass, because the transparent conductive substrate unit price is high, can repeat to expend more production material during manufacture, while in the contact panel processing procedure, producing defective products, whole contact panel must be scrapped, and can't reclaim, and then cause cost to waste, more and each transparent conductive substrate described tin indium oxide (ITO) layer need be arranged respectively, and it carries out multiple tracks screen painting processing procedure or gold-tinted etch process and significantly promotes with manufacturing cost seasonable its manufacturing step is loaded down with trivial details simultaneously, again and the contact panel of its two-layer equation also can make the integral thickness of electronic installation increase, can't meet the compact demand of portable electronic devices, the shortcomings such as therefore integral thickness is thicker certainly will need to improve to some extent, therefore known technology has following shortcoming:

1. thickness is thicker;

2. manufacture loaded down with trivial details;

3. manufacturing cost is higher.

Therefore, how to solve above-mentioned public problem and disappearance, the inventor who is this case desires most ardently to the relevant manufacturer that is engaged in the industry the direction place that research improves.

Summary of the invention

For this reason, for solving the shortcoming of above-mentioned known technology, fundamental purpose of the present invention, be to provide a kind of capacitance type touch-control panel unit that reduces integral thickness.

Another object of the present invention, be to provide a kind of capacitance type touch-control panel unit that can significantly reduce manufacturing cost.

The invention provides a kind of capacitance type touch-control panel unit for reaching above-mentioned purpose, comprising: a transparency carrier, a conductive layer and a protective seam;

Described transparency carrier has the second side of one first side and contrary this first side; Described conductive layer is coated on this second side; The corresponding laminating of described protective seam transparency carrier opposite side relative to aforementioned conductive layer, by the design of capacitance type touch-control panel of the present invention unit, effectively reach in order to do making the effect that the minimizing conductive layer arranges to reduce manufacturing cost and reduces integral thickness.

The accompanying drawing explanation

Fig. 1 is the decomposition diagrammatic cross-section of preferred embodiment of the present invention;

Fig. 2 is the combination diagrammatic cross-section of preferred embodiment of the present invention;

Fig. 3 is the combination diagrammatic cross-section of the second preferred embodiment of the present invention.

The main element symbol description

Capacitance type touch-control panel unit 1

Transparency carrier 10

The first side 101

The second side 102

Shielding layer 103

Conductor layer 104

Flexible base plate 105

Conducting resinl 106

Conductive layer 11

Protective seam 12

Touch Zone 2

Non-Touch Zone 3

Embodiment

Characteristic on above-mentioned purpose of the present invention and structure thereof and function, will be explained according to appended graphic preferred embodiment.

The present invention is a kind of capacitance type touch-control panel unit, refers to shown in Fig. 1 figure and Fig. 2, shows decomposition diagrammatic cross-section and the combination diagrammatic cross-section of preferred embodiment of the present invention, this capacitance type touch-control panel unit 1 comprises: a transparency carrier 10, one conductive layer 11 and a protective seam 12, wherein the material of this transparency carrier 10 explains with glass in this better enforcement, but be not limited to this, also may be selected to be polyethylene terephthalate (Polyethylene Terephthalate, PET), polycarbonate (Poly Carbonate, PC), tygon (polyethylene, PE), Polyvinylchloride (Poly Vinyl Chloride, PVC), polypropylene (Poly Propylene, PP), polystyrene (Poly Styrene, PS), polymethylmethacrylate (Polymethylmethacrylate, PMMA), cyclic olefine copolymer (cyclo olefin coplymer, COC) arbitrary material wherein.

The another aforementioned transparency carrier 10 of person has the second side 102 of one first side 101 and contrary this first side, described conductive layer 11 is arranged on this second side 102, and its material is indium tin oxide (Indium Tin Oxide, ITO) or antimony tin oxide (Antimony Tin Oxide, ATO) or indium-zinc oxide (indium zinc oxide, IZO) film; And described conductive layer 11 in this preferred embodiment, the mode with sputter is formed on this second side 102, but be not limited to this, when concrete enforcement, the mode that also can select to be coated with gel, plating or evaporation is formed on this second side 102, closes first Chen Ming.

Continue and consult Fig. 1 and Fig. 2, described protective seam 12 correspondences are fitted in relative transparency carrier 10 opposite sides of this conductive layer 11, and its material is silicon nitride (SiNx), silicon dioxide (SiO ₂), silit (SiC) is wherein arbitrary; And described protective seam 12 in this preferred embodiment with coating gel, plating, evaporation, deposition or sputter wherein the arbitrary formed membrane structure of mode at relative transparency carrier 10 opposite sides of this conductive layer 11 coating, protect.

Separately referring to Fig. 3 is the combination diagrammatic cross-section of capacitance type touch-control panel structure the second preferred embodiment of the present invention, as shown in the figure, described capacitance type touch-control panel structure includes a transparency carrier 10, a shielding layer 103, a conductive layer 11, a conductor layer 104, a flexible base plate 105 and a protective seam 12;

Described transparency carrier 10 has one first side 101 and one second side 102, and this transparency carrier 10 defines a Touch Zone 2 in central position and defines a non-Touch Zone 3 with the lateral location place, wherein the material of this transparency carrier 10 explains with glass in this better enforcement, but be not limited to this, also may be selected to be polyethylene terephthalate (Polyethylene Terephthalate, PET), polycarbonate (Poly Carbonate, PC), tygon (polyethylene, PE), Polyvinylchloride (Poly Vinyl Chloride, PVC), polypropylene (Poly Propylene, PP), polystyrene (Poly Styrene, PS), polymethylmethacrylate (Polymethylmethacrylate, PMMA), cyclic olefine copolymer (cyclo olefin coplymer, COC) arbitrary material wherein.

And this shielding layer 103 is arranged at the second side 102 of described transparency carrier 10 and be relatively arranged on its 3 positions, non-Touch Zone, and this transparency carrier 10 on be coated with described shielding layer 103 region deviding be described non-Touch Zone 3, otherwise, the region deviding that is not coated with described shielding layer 103 on this transparency carrier 10 is described Touch Zone 2, and the shielding layer 103 of the present embodiment can be for example to adopt material printing or the coating of opaque (printing opacity) and insulation to form.

And this conductive layer 11 is coated in the second side 102 positions of described transparency carrier 10 and is relatively arranged on its 2 positions, Touch Zone, and the conductive layer 11 of part extends to relative these transparency carrier 10 opposite side positions of described shielding layer 103 by the second side 102 positions, and its material is indium tin oxide (Indium Tin Oxide, ITO) or antimony tin oxide (Antimony Tin Oxide, ATO) or indium-zinc oxide (indium zinc oxide, IZO) film; And described conductive layer 11 in this preferred embodiment, the mode with sputter is formed on this second side 102, but be not limited to this, when concrete enforcement, the mode that also can select to be coated with gel, plating or evaporation is formed on this second side 102, closes first Chen Ming.

And this conductor layer 104 is arranged at described non-Touch Zone 3 and be relatively arranged on a side of described shielding layer 103 contrary these the second sides 102, and the conductor layer 104 of part extends to relative these shielding layer 103 opposite side positions of described conductive layer 11 and be electrically connected with described conductive layer 11 simultaneously, and this conductor layer 104 can be the metal materials formations such as silver-colored slurry or copper or molybdenum.

And this flexible base plate 105 is arranged at described

non-Touch Zone

3, and 104 of this flexible base plate 105 and conductor layers have a conducting resinl 106, these conducting resinl 106 1 sides are pasted with described flexible base plate 105, opposite side is pasted with described conductor layer 104, and this conducting resinl 106 is anisotropic conductive film (Anisotropic Conductive Film, ACF) or aeolotropic conductive 106(Anisotropic conductive paste, ACP).

And the corresponding laminating of this protective seam 12 transparency carrier 10 opposite sides relative to described conductive layer 11 is separately sayed it, its protective seam 12 correspondences are fitted in relative transparency carrier 10 opposite sides of this conductive layer 11, and its material is silicon nitride (SiNx), silicon dioxide (SiO ₂), silit (SiC) is wherein arbitrary; And described protective seam 12 in this preferred embodiment, with coating gel, plating, evaporation, deposition or sputter, wherein the arbitrary formed membrane structure of mode is in relative transparency carrier 10 opposite sides of this conductive layer 11 coating protection, and this protective seam 12 is coated in flexible base plate 105 and relative transparency carrier 10 opposite sides of conductor layer 104 coating simultaneously and protects.

Therefore 1 design of capacitance type touch-control panel of the present invention unit can be detected and the purpose that completes touch-control by single conductive layer 11; can reduce conductive layer 11 settings and the effect that reduces manufacturing cost to reach, and utilize its protective seam 12 that is membrane structure is shaped to reach the effect that reduces integral thickness simultaneously.

The above, the present invention has advantages of following compared to known technology:

1. minimizing integral thickness;

2. manufacturing step is simple;

3. manufacturing cost is lower.

Press, the above, be only preferred embodiment of the present invention, only feature of the present invention is not limited to this, anyly be familiar with this skill person in field of the present invention, can think easily and variation or modification, all should be encompassed in following claim of the present invention.

Claims

1. a capacitance type touch-control panel unit, is characterized in that, comprising:

One transparency carrier, it has the second side of one first side and contrary this first side;

One conductive layer, be coated on this second side; And

One protective seam, the corresponding laminating of transparency carrier opposite side relative to aforementioned conductive layer.

2. capacitance type touch-control panel as claimed in claim 1 unit; it is characterized in that; described protective seam is that the material of this membrane structure is chosen as silicon nitride SiNx, silicon dioxide SiO with coating gel, plating, evaporation, deposition or the sputter arbitrary formed membrane structure of mode wherein ₂, silit SiC is wherein arbitrary.

3. capacitance type touch-control panel as claimed in claim 1 unit, it is characterized in that, described conductive layer is with coating gel, plating, evaporation or the sputter arbitrary formed membrane structure of mode wherein, and this membrane structure is that indium tin oxide ITO, indium-zinc oxide IZO and antimony tin oxide ATO are wherein arbitrary.

4. capacitance type touch-control panel as claimed in claim 1 unit, it is characterized in that, the material of this transparency carrier is chosen as wherein arbitrary material of glass, polyethylene terephthalate, polycarbonate, tygon, Polyvinylchloride, polypropylene, polystyrene, polymethylmethacrylate and cyclic olefine copolymer.

5. a capacitance type touch-control panel unit, is characterized in that, comprising:

One transparency carrier, have one first side and one second side, and define respectively a Touch Zone and a non-Touch Zone in central position and lateral location place;

One shielding layer, be located at the non-Touch Zone of aforementioned the second side;

One conductive layer, be coated in the Touch Zone of this second side, and partly extend to the shielding layer position of this second side;

One conductor layer, be located at a side of contrary this second side of this shielding layer and connect described conductive layer;

One flexible base plate, be located at this non-Touch Zone, has a conducting resinl between this flexible base plate and conductor layer, and be electrically connected by this conducting resinl and this conductor layer;

6. capacitance type touch-control panel as claimed in claim 5 unit; it is characterized in that; described protective seam is that the material of this membrane structure is chosen as silicon nitride SiNx, silicon dioxide SiO with coating gel, plating, evaporation, deposition or the sputter arbitrary formed membrane structure of mode wherein ₂, silit SiC is wherein arbitrary.

7. capacitance type touch-control panel as claimed in claim 5 unit, it is characterized in that, described conductive layer is with coating gel, plating, evaporation or the sputter arbitrary formed membrane structure of mode wherein, and this membrane structure is that indium tin oxide ITO, indium-zinc oxide IZO and antimony tin oxide ATO are wherein arbitrary.

8. capacitance type touch-control panel as claimed in claim 5 unit, it is characterized in that, the material of described transparency carrier is chosen as wherein arbitrary material of glass, polyethylene terephthalate, polycarbonate, tygon, Polyvinylchloride, polypropylene, polystyrene, polymethylmethacrylate and cyclic olefine copolymer.

9. capacitance type touch-control panel as claimed in claim 5 unit, is characterized in that, described protective seam is coated in flexible base plate and the relative transparency carrier opposite side of conductor layer simultaneously.