CN204009844U - A kind of capacitance touch screen - Google Patents
A kind of capacitance touch screen Download PDFInfo
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- CN204009844U CN204009844U CN201420356107.5U CN201420356107U CN204009844U CN 204009844 U CN204009844 U CN 204009844U CN 201420356107 U CN201420356107 U CN 201420356107U CN 204009844 U CN204009844 U CN 204009844U
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- touch screen
- capacitance touch
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Abstract
The utility model provides a kind of capacitance touch screen, and solving existing capacitance touch screen can not be well and the problem of flexible OLED combination; Comprise at least one deck induction electrode layer, described induction electrode layer comprises electrode backing layer, at least one transparency electrode and the outer support layer setting gradually, and one side of described transparency electrode or a few limit are provided with lead-in wire, and described lead-in wire is connected with flexible circuit board; Described transparency electrode is graphene layer, nano-silver layer or carbon nanotube layer, and described transparency electrode is provided with the pattern of etching and laser incising moulding, and described graphene layer consists of the graphene layer of 1～3 layer.The utility model can capacitance touch screen flexibility, bending, even if limit doubling does not affect properties of product yet.
Description
Technical field
The utility model relates to touch screen technology field, particularly a kind of capacitance touch screen.
Background technology
In recent years, along with the rise of smart mobile phone, panel computer, capacitive touch screen market had obtained development faster.
Capacitive touch screen, when touch screen, due to people's bulk electric field, between finger and conductor layer, can form a coupling capacitance, the electric current that four limit electrodes send can flow to contact, and electric current is strong and weak, be directly proportional with the distance of pointing electrode, be positioned at ratio and power that controller after touch screen just can calculate electric current, accurately calculate the position of touch point.Two glass of capacitance touch screen not only can be protected conductor and inductor, more effectively prevent that external environment factor from impacting touch-screen, even if screen speckles with filth, dust or oil stain, capacitive touch screen still can accurately be calculated touch location.
Existing capacitance touch screen generally comprises contact panel (overlay), bonding coat and sensing electrode layer; Sensing electrode layer is arranged on substrate (take film and glass as main).In present touch screen design, sensing electrode layer can have the various structures designs such as one side single-point, one side multiple spot and two-sided multiple spot, and sensing electrode layer generally has nesa coating to form through patterning
What wherein in visible area, use is nesa coating, generally take ITO as main, and ITO is tin indium oxide (Indium Tin Oxides is called for short ITO), is that the complex of indium oxide and tin oxide is plated in substrate and is generated.
On the other hand, along with the development of organic light emitting display (OLED) technology, have producer to develop flexible organic light emitting display (flexible OLED), the touch-screen that adopts glass substrate obviously can not with the combination of flexible OLED.
Utility model content
The utility model provides a kind of capacitance touch screen, and solving existing capacitance touch screen can not be well and the problem of flexible OLED combination.
The technical solution of the utility model is achieved in that
A kind of capacitance touch screen, comprise at least one deck induction electrode layer, described induction electrode layer comprises electrode backing layer, at least one transparency electrode and the outer support layer setting gradually, and one side of described transparency electrode or a few limit are provided with lead-in wire, and described lead-in wire is connected with flexible circuit board; Described transparency electrode is graphene layer, nano-silver layer or carbon nanotube layer, and described transparency electrode is provided with the pattern of etching and laser incising moulding, and described graphene layer consists of the graphene layer of 1～3 layer.Wherein, preferably, described electrode backing layer is substrate or overlay.
Wherein, preferably, described overlay is PET rete or PMMA rete, and thickness is that thickness is 25 μ m～300 μ m.
Wherein, preferably, described outer support layer is substrate or protective seam.
Wherein, preferably, described substrate is PET rete or PU rete.
Wherein, preferably, described protective seam is explosion-proof rete or the saturating insulation course of height that obtains by silk-screen or film plating process on induction electrode layer.
Wherein, preferably, the silver slurry layer of described lead-in wire for adopting silver-colored line or coating process to make, thickness is 5 μ m～12 μ m.
The beneficial effects of the utility model:
1. the starting material of the Graphene that the utility model adopts derive from hydrocarbon, wide material sources, and can be to naturally not producing and pollute after scrapping
2. the utility model can be realized flexibility, the bending of capacitance touch screen, even if limit doubling does not affect properties of product yet, can well combine with flexible OLED, and traditional scheme can cause ITO fracture after compared with macrobending or continuous bend, thereby touch-control loses efficacy.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the structural representation of the utility model embodiment 2;
Fig. 3 is the structural representation of the utility model embodiment 3;
Fig. 4 is the structural representation of the utility model embodiment 4;
Fig. 5 is the structural representation of the utility model embodiment 5;
Fig. 6 is the structural representation of the utility model embodiment 6.
In figure, 1. substrate, 11. ground floor substrates, 12. second layer substrates, 2. transparency electrode, 21, the first transparency electrodes, 22. second transparency electrodes, 3. overlay, 4. lead-in wire, 41. first lead-in wires, 42. second lead-in wire, 5. flexible circuit board, 6. adhesive coating, 7. protective seams.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1
As shown in Figure 1, the present embodiment provides a kind of capacitance touch screen, comprises one deck induction electrode layer.
Induction electrode layer comprises substrate 1, transparency electrode 2 and the overlay 3 setting gradually.One side of transparency electrode 2 is provided with lead-in wire 4, and lead-in wire 4 is connected with flexible circuit board 5; Between overlay 3 and lead-in wire 4, be provided with adhesive coating 6.
Wherein, transparency electrode 2 is graphene layer, and described graphene layer consists of the graphene layer of 2 layers.
Wherein, overlay 3 is PET rete, and thickness is 100 μ m.
Wherein, substrate 1 is PET rete.
Wherein, adhesive coating 6 is OCA optics glue-line (optical clear adhesive), and thickness is 100 μ m.
Embodiment 2
As shown in Figure 2, the present embodiment provides a kind of capacitance touch screen, comprises two-layer induction electrode layer.Induction electrode layer is double-decker, and every layer of use substrate is separately as supporting surface.The first induction electrode layer comprises overlay 3, adhesive coating 6, the first lead-in wire the 41, first transparency electrode 21 and the ground floor substrate 11 setting gradually; The second induction electrode layer comprises ground floor substrate 11, adhesive coating 6, the second lead-in wire the 42, second transparency electrode 22 and the second layer substrate 12 setting gradually.Several limits of transparency electrode are provided with lead-in wire, and lead-in wire is connected with flexible circuit board 5;
Wherein, the first transparency electrode 21 and the second transparency electrode 22 are nano-silver layer, and transparency electrode is provided with the pattern of etching and laser incising moulding
Wherein, overlay 3 is PMMA rete, and thickness is 75 μ m.
Wherein, ground floor substrate 11 and second layer substrate 12 are PU rete.
Wherein, the silver slurry layer of first lead-in wire the 41 and second lead-in wire 42 for adopting silver-colored line or coating process to make, thickness is 5 μ m.
Wherein, adhesive coating 6 is OCA optics glue-line (optical clear adhesive), and thickness is 100 μ m.
Embodiment 3
As shown in Figure 3, the present embodiment provides a kind of capacitance touch screen, comprises two-layer induction electrode layer.Two-layer electrode layer is with same substrate as supporting surface, and electrode layer is distributed in the two sides of substrate.The first induction electrode layer comprises overlay 3, adhesive coating 6, the first lead-in wire the 41, first transparency electrode 21 and the substrate 1 setting gradually; The second induction electrode layer comprises substrate 1, the second transparency electrode 22, the second lead-in wire 42 and the protective seam 7 setting gradually.First lead-in wire the 41 and second lead-in wire 42 is connected with flexible circuit board 5;
Wherein, the first transparency electrode 21 and the second transparency electrode 22 are carbon nanotube layer, and transparency electrode is provided with the pattern of etching and laser incising moulding.
Wherein, overlay 3 is PET rete, and thickness is 110 μ m.
Wherein, described substrate 1 is PU rete, and described protective seam is explosion-proof rete.
Wherein, the silver slurry layer that described first lead-in wire the 41 and second lead-in wire 42 is made for coating process, thickness is 12 μ m.
Wherein, adhesive coating 6 is UV type glue gelatine layer, and thickness is 25 μ m.
Embodiment 4
As shown in Figure 4, the present embodiment provides a kind of capacitance touch screen, and induction electrode layer is single layer structure, usings overlay as substrate.Comprise the overlay 3, transparency electrode 2, lead-in wire 4 and the protective seam 7 that set gradually, one side being provided with of transparency electrode goes between 4, lead-in wire 4 is connected with flexible circuit board 5.
Wherein, transparency electrode 2 is graphene layer, and transparency electrode 2 is provided with the pattern of etching and laser incising moulding, and graphene layer consists of the graphene layer of 1～3 layer.
Wherein, overlay 3 is PET rete, and thickness is 120 μ m.
Wherein, the silver slurry layer that described lead-in wire 4 is made for coating process, thickness is 12 μ m.
Wherein, the saturating insulation course of height that protective seam 7 obtains by silk-screen on induction electrode layer or film plating process.
Embodiment 5
As shown in Figure 5, the present embodiment provides a kind of capacitance touch screen, induction electrode layer is double-decker, and its ground floor is usingd overlay 3 as substrate, comprises the overlay 3, the first transparency electrode 21, the first lead-in wire 41, adhesive coating 6, the second lead-in wire the 42, second transparency electrode 22 and the substrate 1 that set gradually.
Wherein, the first transparency electrode 21 and the second transparency electrode 22 are graphene layer, and transparency electrode is provided with the pattern of etching and laser incising moulding, and graphene layer forms (not shown) by the graphene layer of 1～3 layer.
Wherein, overlay 3 is PET rete, and thickness is 75 μ m.
Wherein, the silver slurry layer that first lead-in wire the 41 and second lead-in wire 42 is made for coating process, thickness is 12 μ m.
Wherein, substrate 1 is PU rete.
Embodiment 6
As shown in Figure 6, the present embodiment provides a kind of capacitance touch screen, and induction electrode layer is double-decker, and its ground floor is usingd overlay as substrate, and its ground floor is usingd overlay 3 as substrate.Comprise the overlay 3, the first transparency electrode 21, the first lead-in wire 41, adhesive coating 6, the second lead-in wire the 42, second transparency electrode 22 and the protective seam 7 that set gradually.
Wherein, the first transparency electrode 21 and the second transparency electrode 22 are graphene layer, and transparency electrode is provided with the pattern of etching and laser incising moulding, and graphene layer consists of the graphene layer of 1～3 layer.
Wherein, overlay 3 is PET rete, and thickness is 100 μ m.
Wherein, the silver slurry layer that first lead-in wire the 41 and second lead-in wire 42 is made for coating process, thickness is 10 μ m.
Wherein, the saturating insulation course of height that protective seam 7 obtains by silk-screen on induction electrode layer or film plating process.
Wherein, adhesive coating 6 is OCA optics glue-line (optical clear adhesive), and thickness is 100 μ m.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. a capacitance touch screen, comprise at least one deck induction electrode layer, it is characterized in that: described induction electrode layer comprises electrode backing layer, at least one transparency electrode and the outer support layer setting gradually, one side of described transparency electrode or a few limit are provided with lead-in wire, and described lead-in wire is connected with flexible circuit board; Described transparency electrode is graphene layer, nano-silver layer or carbon nanotube layer, and described transparency electrode is provided with the pattern of etching and laser incising moulding, and described graphene layer consists of the graphene layer of 1～3 layer.
2. a kind of capacitance touch screen according to claim 1, is characterized in that: described electrode backing layer is substrate or overlay.
3. a kind of capacitance touch screen according to claim 2, is characterized in that: described overlay is PET rete or PMMA rete, and thickness is 25 μ m～300 μ m.
4. a kind of capacitance touch screen according to claim 1, is characterized in that: described outer support layer is substrate or protective seam.
5. according to a kind of capacitance touch screen described in claim 2 or 4, it is characterized in that: described substrate is PET rete or PU rete.
6. a kind of capacitance touch screen according to claim 4, is characterized in that: described protective seam is explosion-proof rete or the saturating insulation course of height that obtains by silk-screen on induction electrode layer or film plating process.
7. a kind of capacitance touch screen according to claim 1, is characterized in that: the silver slurry layer of described lead-in wire for adopting silver-colored line or coating process to make, thickness is 5 μ m～12 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420356107.5U CN204009844U (en) | 2014-06-30 | 2014-06-30 | A kind of capacitance touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420356107.5U CN204009844U (en) | 2014-06-30 | 2014-06-30 | A kind of capacitance touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204009844U true CN204009844U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420356107.5U Expired - Fee Related CN204009844U (en) | 2014-06-30 | 2014-06-30 | A kind of capacitance touch screen |
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| CN (1) | CN204009844U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107450784A (en) * | 2017-05-22 | 2017-12-08 | 茆胜 | A kind of flexible projecting type capacitor touch screen and preparation method thereof |
| CN112721483A (en) * | 2020-12-24 | 2021-04-30 | 无锡市科虹标牌有限公司 | Manufacturing process of high-transmittance touch film |
-
2014
- 2014-06-30 CN CN201420356107.5U patent/CN204009844U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107450784A (en) * | 2017-05-22 | 2017-12-08 | 茆胜 | A kind of flexible projecting type capacitor touch screen and preparation method thereof |
| CN112721483A (en) * | 2020-12-24 | 2021-04-30 | 无锡市科虹标牌有限公司 | Manufacturing process of high-transmittance touch film |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20160630 |