CN203366283U - Monolayer multi-point touch-control screen and monolayer multi-point conductive film thereof - Google Patents
Monolayer multi-point touch-control screen and monolayer multi-point conductive film thereof Download PDFInfo
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- CN203366283U CN203366283U CN 201320459694 CN201320459694U CN203366283U CN 203366283 U CN203366283 U CN 203366283U CN 201320459694 CN201320459694 CN 201320459694 CN 201320459694 U CN201320459694 U CN 201320459694U CN 203366283 U CN203366283 U CN 203366283U
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Abstract
The utility model relates to a monolayer multi-point conductive film. The monolayer multi-point conductive film comprises a transparent substrate, a first conducting layer, an insulating layer, a second conducting layer, a first lead electrode and a second lead electrode, wherein the transparent substrate comprises a body and at least one flexible connecting portion which is formed through extending one side of the body, the flexible connecting portion is provided with a conduction line, and the body is provided with an induction zone and a border zone located at the edge of the induction zone; the first conducting layer is arranged on the induction zone; the insulating layer is located above first conductive threads and is embedded in grooves of meshes; the second conducting layer is arranged on the induction zone of the transparent substrate and is separated from the first conducting layer through the insulating layer; meshes of either the first conducting layer or the second conducting layer are regular meshes, and meshes of the other one of the first and second conducting layers are random meshes. The monolayer multi-point conductive film has the characteristic of relatively low cost. Meanwhile, the utility model further provides a monolayer multi-point touch-control screen employing the monolayer multi-point conductive film.
Description
Technical field
The utility model relates to a kind of touch-control conducting film, particularly relates to a kind of individual layer multipoint mode conducting film and uses the individual layer multipoint mode touch screen of this individual layer multipoint mode conducting film.
Background technology
Nesa coating is to have satisfactory electrical conductivity, and has a kind of film of high transmission rate at visible light wave range.Nesa coating has been widely used in the fields such as flat pannel display, photovoltaic device, contact panel and electromagnetic screen at present, has the extremely wide market space.
Nesa coating is to receive the sensing element of the input signals such as touch in touch-screen.At present, ITO(tin indium oxide) layer is vital ingredient in nesa coating.The develop rapidly at a tremendous pace of the manufacturing technology of touch-screen, but for traditional individual layer multipoint mode conducting film, its in making the process of touch-screen because needs are connected with external device, so need laminating flexible PCB (Flexible Printed Circuit, FPC), and need to carry out attaching process, increase the cost of manpower and materials.Simultaneously, in the corresponding technique of ITO, whole the ITO film plated need be carried out to etching, to form the ITO pattern, in this technique, a large amount of ITO is etched, cause a large amount of noble metal wastes, and then make cost of products high, cause the cost of traditional individual layer multipoint mode conducting film higher.
The utility model content
Based on this, be necessary to provide a kind of lower-cost individual layer multipoint mode conducting film.
A kind of individual layer multipoint mode conducting film comprises:
Transparent substrates, at least one flexible joint section that comprises body and extended to form by a side of described body, the width of described flexible joint section is less than the width that described body is extended with a side of described flexible joint section, described flexible joint section is provided with the conducting circuit, and described body is provided with induction zone and is positioned at the rim area at described induction zone edge;
The first conductive layer, be latticed, is arranged at described induction zone, described the first conductive layer comprises cross one another the first conductive thread, described induction zone offers the grid groove, and described the first conductive layer is contained in described grid groove, and described the first conductive thread is nontransparent conductive thread;
Insulation course, be arranged in the first conductive thread top and be embedded at described grid groove;
The second conductive layer, be latticed, is arranged at the induction zone of described transparent substrates, and separate by described insulation course with described the first conductive layer, and described the second conductive layer comprises cross one another the second conductive thread, and described the second conductive thread is nontransparent conductive thread;
The first lead-in wire electrode, be arranged at described rim area, and described the first lead-in wire electrode is electrically connected to described the first conductive layer, and described conducting link tester is crossed described the first lead-in wire electrode and is electrically connected to described the first conductive layer; And
The second lead-in wire electrode, be arranged at described rim area, and described the second lead-in wire electrode is electrically connected to described the second conductive layer, and described conducting link tester is crossed described the second lead-in wire electrode and is electrically connected to described the second conductive layer;
Wherein, in the grid of described the first conductive layer and described the second conductive layer wherein the grid of one deck be regular grid, the grid of another layer is random grid.
Therein in embodiment, also comprise hypothallus, described hypothallus is located at described transparent substrates surface, and described induction zone and described rim area are located at the side of described hypothallus away from transparent substrates, and described the first conductive layer and described the second conductive layer all are arranged at the induction zone of described hypothallus.
In embodiment, described the first lead-in wire electrode and described the second lead-in wire electrode are linear therein.
In embodiment, described the first lead-in wire electrode comprises cross one another the first conductive lead wire therein, and described the second lead-in wire electrode comprises cross one another the second conductive lead wire.
In embodiment, described the first lead-in wire electrode is positioned at the surface of described rim area, or offers the first groove on described rim area therein, and described the first lead-in wire is contained in and is opened in described the first groove.
In embodiment, described the second lead-in wire electrode is positioned at the surface of described rim area, or offers the second groove on described rim area therein, and described the second lead-in wire is contained in and is opened in described the second groove.
In embodiment, the width of described grid groove is d1 therein, and the degree of depth is h, wherein, and 1 μ m≤d1≤5 μ m, 2 μ m≤h≤6 μ m, h/d1>1.
In embodiment, described grid groove is that bottom is " V " font, " W " font, arc or corrugated micro-groove therein.
In embodiment, the degree of depth of described micro-groove is 500nm～1 μ m therein.
In embodiment, also comprise the protective clear layer that covers described the second conductive layer surface therein.
A kind of individual layer multipoint mode touch screen comprises overlay, individual layer multipoint mode conducting film and shows module that described individual layer multipoint mode conducting film is above-mentioned individual layer multipoint mode conducting film.
Above-mentioned individual layer multipoint mode conducting film, its flexible joint section and transparent substrates form integral structure, individual layer multipoint mode conducting film is electrically connected to outside by flexible joint section, has saved flexible PCB and the technique relevant to flexible PCB, makes the cost of individual layer multipoint mode conducting film lower.Simultaneously, above-mentioned individual layer multipoint mode conducting film is formed with the grid groove on hypothallus, fills the first conductive thread in the grid groove and forms the first conductive layer.Therefore, with the embedded grider structure, replace conventional I TO process structure, saved follow-up etch process, saved a large amount of noble metals, further reduced cost.
The accompanying drawing explanation
The structural representation of the individual layer multipoint mode touch screen that Fig. 1 is the utility model embodiment;
The top view that Fig. 2 is the transparent substrates in Fig. 1;
Fig. 3 is the top view of body and oar connecting portion in transparent substrates shown in Fig. 2;
The sectional view that Fig. 4 is the individual layer multipoint mode conducting film in Fig. 1;
Fig. 5 (a) is to the structural representation of the different embodiment of the bottom of Fig. 5 (d) grid groove that is the individual layer multipoint mode conducting film shown in Fig. 4;
Fig. 6 (a) is to the structural representation of the different embodiment of Fig. 6 (d) grid that is the individual layer multipoint mode conducting film shown in Fig. 4;
The sectional view of the individual layer multipoint mode conducting film that Fig. 7 is another embodiment;
Fig. 8 is the individual layer multipoint mode conducting film sectional view in another embodiment in Fig. 1;
Fig. 9 is the individual layer multipoint mode conducting film sectional view in another embodiment in Fig. 1;
Figure 10 is the individual layer multipoint mode conducting film sectional view in another embodiment in Fig. 1;
Figure 11 is the individual layer multipoint mode conducting film sectional view in another embodiment in Fig. 1.
Embodiment
For the ease of understanding the utility model, below with reference to relevant drawings, the utility model is described more fully.Provided better embodiment of the present utility model in accompanying drawing.But the utility model can be realized in many different forms, is not limited to embodiment described herein.On the contrary, providing the purpose of these embodiments is make disclosure of the present utility model is understood more comprehensively thorough.
It should be noted that, when element is called as " being fixed in " another element, can directly can there be element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may have centering elements simultaneously.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement just for illustrative purposes, do not mean it is unique embodiment.
Unless otherwise defined, all technology that this paper is used are identical with the implication that belongs to the common understanding of those skilled in the art of the present utility model with scientific terminology.The term used in instructions of the present utility model herein, just in order to describe the purpose of concrete embodiment, is not intended to be restriction the utility model.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
Refer to Fig. 1, the individual layer multipoint mode touch screen 10 in the utility model preferred embodiment comprises demonstration module 100, individual layer multipoint mode conducting film 200 and the overlay 300 stacked gradually.
Refer to Fig. 2 and Fig. 3, transparent substrates 210 comprises body 212 and the flexible joint section 214 extended to form by a side of body 212.Body 212 is provided with induction zone 212a and is positioned at the rim area 212b at induction zone 212a edge.The width of flexible joint section 214 is less than the width that body 212 is extended with a side of flexible joint section 214, and flexible joint section 214 is provided with the conducting circuit.Flexible joint section 214 is at least one, and forms integral structure with transparent substrates 210.Flexible joint section 214 is for being connected with outer relay part.Flexible joint section 214 can adopt the mode of direct laminating to be connected with outer relay part, and in addition, flexible joint section 214 also can for male end or female end be direct and outer relay part carries out socket connection.
Refer to Fig. 4, individual layer multipoint mode conducting film 200 comprises transparent substrates 210, hypothallus 220, the first conductive layer 230, insulation course 240 and the second conductive layer 250.
Be filled with conductive material in grid groove 221 to form cross one another the first conductive thread, cross one another the first conductive thread forms the first conductive layer 230.Conductive material is silver, copper, conducting polymer or ITO.Preferably, the first conductive layer 230 and grid groove 221 form by the mode of impression.
Further, grid groove 221 is rough surface for bottom, and grid groove 221 is " V " font, " W " font, arc or corrugated micro-groove for bottom.Refer to Fig. 5 (a) to Fig. 5 (d), the micro-groove that grid groove 221 shown in Fig. 5 (a) is " V " font for bottom, the micro-groove that grid groove 221 shown in Fig. 5 (b) is " W " font for bottom, the micro-groove that grid groove 221 shown in Fig. 5 (c) is arc for bottom, the grid groove 221 shown in Fig. 5 (d) is corrugated micro-groove for bottom.Preferably, the degree of depth of micro-groove is 500nm～1 μ m.
Preferably, the width of grid groove 221 is d1, and the degree of depth is h, wherein, and 1 μ m≤d1≤5 μ m, 2 μ m≤h≤6 μ m, h/d1>1.
Please again consult Fig. 4, insulation course 240 is formed at the surface of the first conductive layer 230, and is embedded in grid groove 221.Insulation course 240, for the first conductive layer 230 and the second conductive layer 250 are separated, makes not conducting mutually between the first conductive layer 230 and the second conductive layer 250.The material of insulation course 240 is some insulating material such as dielectric ink or insulating gel.It is before liquid because of conductive material, filling, when the conductive material by liquid is filled in grid groove 221, grid groove 221 is rough surface for bottom, and grid groove 221 is " V " font for bottom, " W " font, arc or corrugated micro-groove, be conducive to decompose the tension force of liquid conductive material when contacting with grid groove 221 bottoms, to avoid overtension, make liquid conductive material shrink to be the structure of some spherical or almost sphericals, minimizing conductive material after sintering be some apart from one another by the probability of spherical or almost spherical, the connectedness of conductive material inside after the raising sintering, guarantee the electric conductivity of nesa coating.
The second conductive layer 250 is formed at the induction zone 212a of hypothallus 220.The second conductive layer 250 is convexly set in the side surface of hypothallus 220 away from transparent substrates 210, and separates by insulation course 240 and the first conductive layer 230.The second conductive layer 250 comprises cross one another the second conductive thread.The second conductive layer 250 completes by modes such as exposure imaging, serigraphys.The second conductive layer 250 materials are silver, copper, conducting polymer or ITO.
Further, the first conductive layer 230 and the second conductive layer 250 are comb teeth-shaped or latticed.Refer to Fig. 6 (a) to Fig. 6 (d), in the grid of the first conductive layer 230 and the second conductive layer 250 wherein the grid of one deck be regular grid, the grid of another layer is random grid, and Fig. 6 (b) is respectively regular hexagonal cell, rhombic-shaped grid and square net to the grid shown in Fig. 6 (d).
It is pointed out that specifically in the present embodiment, the first conductive thread is nontransparent conductive thread, and the second conductive thread is also nontransparent conductive thread.In traditional individual layer multipoint mode conducting film, if the second conductive thread is not aimed at the first conductive thread, will on individual layer multipoint mode conducting film, occur the light and shade striped occurring by periodic grid density, and then affect the transmitance of this individual layer multipoint mode conducting film.In above-mentioned individual layer multipoint mode conducting film 10, in the grid of the first conductive layer 230 and the second conductive layer 250 wherein the grid of one deck be regular grid, the grid of another layer is random grid, and the mutual projection of the first conductive layer 230 and the second conductive layer 250 is comparatively even, so just need not be aimed at, greatly simplify manufacture craft, reduced cost.
In the embodiment shown in Fig. 4, the first conductive layer 230 and the second conductive layer 250 form by the conduction band of a plurality of array arrangements.The conduction band of the first conductive layer 230 extends along the direction of the first dimension, and the conduction band of the second conductive layer 250 extends along the direction of the second dimension, the first dimension direction and the second dimension direction oblique.Certainly, in other embodiment, the first dimension direction is mutually vertical with the second dimension direction.Please consult Fig. 7, in illustrated embodiment, the conduction band of the first conductive layer 230 extends along the direction of the first dimension simultaneously, and the conduction band of the second conductive layer 250 extends along the direction of the second dimension, and the first dimension direction is mutually vertical with the second dimension direction.
Further, refer to Fig. 8, individual layer multipoint mode conducting film 200 also comprises the first lead-in wire electrode 260 and the second lead-in wire electrode 270 of being located at rim area 212b.The first lead-in wire electrode 260 is electrically connected to the first conductive layer 230, and the second lead-in wire electrode 270 is electrically connected to the second conductive layer 250.The conducting link tester is crossed the first lead-in wire electrode 260 and is electrically connected to the first conductive layer 230.The conducting link tester is crossed the second lead-in wire electrode 270 and is electrically connected to the second conductive layer 250.Concrete, the first lead-in wire electrode 260 is contained in the first groove 223 of the rim area 212b that is opened in hypothallus 220, and the second lead-in wire electrode 270 is contained in the second groove 225 of the rim area 212b that is opened in hypothallus 220.Be appreciated that in other embodiments, the first lead-in wire electrode 260 and the second lead-in wire electrode 270 also can directly be convexly set in the surface of rim area 212b.The first lead-in wire electrode 260 and the second lead-in wire electrode 270 can form by modes such as serigraphy, impression or inkjet printings.
Specifically in the present embodiment, the first lead-in wire electrode 260 comprises cross one another the first conductive lead wire, and the second lead-in wire electrode 270 comprises cross one another the second conductive lead wire, and the first lead-in wire electrode 260 and the second lead-in wire electrode 270 are network.The structure and parameters of the first groove 223 and the second groove 225 is all identical with the structure and parameters of grid groove 221.Certainly, in other embodiment, the first lead-in wire electrode 260 and the second lead-in wire electrode 270 can also be linear, and the live width of the first lead-in wire electrode 260 and the second lead-in wire electrode 270 is 50 μ m～200 μ m, is highly 5 μ m～10 μ m.
Preferably, the material of the first lead-in wire electrode 260 and the second lead-in wire electrode 270 is silver, copper, conducting polymer or ITO.
Refer to Fig. 9, further, individual layer multipoint mode conducting film 200 also comprises the protective clear layer 280 that is covered in the second conductive layer 250 surfaces.Protective clear layer 280 covering the second conductive layers 250 and hypothallus 220 are away from the surface of transparent substrates 210.Because the second conductive layer 250 is convexly set in the surface of hypothallus 220, therefore, form protective clear layer 280 on the surface of the second conductive layer 250 so that the second conductive layer 250 is formed to protection, avoid scratching.Preferably, the material of protective clear layer 280 is UV glue, impression glue or polycarbonate.Finally, the transmitance of whole individual layer multipoint mode conducting film 200 is not less than 86%.
Please consult Figure 10 and Figure 11, in other embodiment, hypothallus 220 can omit simultaneously, and transparent substrates 210 comprises induction zone 212a and the rim area 212b adjacent with induction zone 212a.Now grid groove 221 is opened in the induction zone 212a of transparent substrates 210, and the first groove 223 and the second groove 225 are opened in the rim area 212b of transparent substrates 210, and the second conductive layer 250 is located at the induction zone 212a of transparent substrates 210.
Compared to traditional individual layer multipoint mode conducting film, above-mentioned individual layer multipoint mode conducting film 200 at least has the following advantages:
(1) flexible joint section 214 forms integral structure with transparent substrates 210, individual layer multipoint mode conducting film 200 is electrically connected to outside by flexible joint section 214, save flexible PCB and the technique relevant to flexible PCB, made the cost of individual layer multipoint mode conducting film 200 lower.Simultaneously, above-mentioned individual layer multipoint mode conducting film 200 is formed with grid groove 221 on hypothallus 220, interior filling the first conductive thread of grid groove 221 forms the first conductive layer 230, therefore, replace conventional I TO process structure with the embedded grider structure, save follow-up etch process, saved a large amount of noble metals, further reduced cost.
(2) by forming the first conductive layer 230 and the second conductive layer, the first conductive layer 230 and the second conductive layer 250 separate by insulation course 240, and the inductive effects of two conductive layers is better.
(3) by form grid groove 221 on hypothallus 220, interior filling the first conductive thread of grid groove 221 forms the first conductive layer 230, thereby can reduce the thickness of individual layer multipoint mode conducting film 100; Adopt this flush type design simultaneously, the performance of individual layer multipoint mode conducting film 100 is well protected.
(4) form protective clear layer 280 by the surface at the second conductive layer 250, can protect the second conductive layer 250 to avoid being scratched, can prevent the conductive material oxidation simultaneously.
(5) grid groove 221 is " V " font, " W " font, arc or corrugated micro-groove for bottom, conductive ink in the groove of grid groove 221 is when drying like this, and the conductive material after the conductive ink polycondensation is not easy to occur drying not there will be the phenomenon of disconnection.
(6) in traditional individual layer multipoint mode conducting film, if the second conductive thread is not aimed at the first conductive thread, will on individual layer multipoint mode conducting film, occur the light and shade striped occurring by periodic grid density, and then affect the transmitance of this individual layer multipoint mode conducting film.In above-mentioned individual layer multipoint mode conducting film 10, in the grid of the first conductive layer 230 and the second conductive layer 250 wherein the grid of one deck be regular grid, the grid of another layer is random grid, and the mutual projection of the first conductive layer 230 and the second conductive layer 250 is comparatively even, so aimed at, greatly simplify manufacture craft, reduced cost.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (11)
1. an individual layer multipoint mode conducting film, is characterized in that, comprising:
Transparent substrates, at least one flexible joint section that comprises body and extended to form by a side of described body, the width of described flexible joint section is less than the width that described body is extended with a side of described flexible joint section, described flexible joint section is provided with the conducting circuit, and described body is provided with induction zone and is positioned at the rim area at described induction zone edge;
The first conductive layer, be latticed, is arranged at described induction zone, described the first conductive layer comprises cross one another the first conductive thread, described induction zone offers the grid groove, and described the first conductive layer is contained in described grid groove, and described the first conductive thread is nontransparent conductive thread;
Insulation course, be arranged in the first conductive thread top and be embedded at described grid groove;
The second conductive layer, be latticed, is arranged at the induction zone of described transparent substrates, and separate by described insulation course with described the first conductive layer, and described the second conductive layer comprises cross one another the second conductive thread, and described the second conductive thread is nontransparent conductive thread;
The first lead-in wire electrode, be arranged at described rim area, and described the first lead-in wire electrode is electrically connected to described the first conductive layer, and described conducting link tester is crossed described the first lead-in wire electrode and is electrically connected to described the first conductive layer; And
The second lead-in wire electrode, be arranged at described rim area, and described the second lead-in wire electrode is electrically connected to described the second conductive layer, and described conducting link tester is crossed described the second lead-in wire electrode and is electrically connected to described the second conductive layer;
Wherein, in the grid of described the first conductive layer and described the second conductive layer wherein the grid of one deck be regular grid, the grid of another layer is random grid.
2. individual layer multipoint mode conducting film as claimed in claim 1, it is characterized in that, also comprise hypothallus, described hypothallus is located at described transparent substrates surface, described induction zone and described rim area are located at the side of described hypothallus away from transparent substrates, and described the first conductive layer and described the second conductive layer all are arranged at the induction zone of described hypothallus.
3. individual layer multipoint mode conducting film as claimed in claim 1, is characterized in that, described the first lead-in wire electrode and described the second lead-in wire electrode are linear.
4. individual layer multipoint mode conducting film as claimed in claim 3, is characterized in that, described the first lead-in wire electrode comprises cross one another the first conductive lead wire, and described the second lead-in wire electrode comprises cross one another the second conductive lead wire.
5. individual layer multipoint mode conducting film as claimed in claim 1, is characterized in that, described the first lead-in wire electrode is positioned at the surface of described rim area, or offers the first groove on described rim area, and described the first lead-in wire is contained in and is opened in described the first groove.
6. individual layer multipoint mode conducting film as claimed in claim 5, is characterized in that, described the second lead-in wire electrode is positioned at the surface of described rim area, or offers the second groove on described rim area, and described the second lead-in wire is contained in and is opened in described the second groove.
7. individual layer multipoint mode conducting film as claimed in claim 1, is characterized in that, the width of described grid groove is d1, and the degree of depth is h, wherein, and 1 μ m≤d1≤5 μ m, 2 μ m≤h≤6 μ m, h/d1>1.
8. individual layer multipoint mode conducting film as claimed in claim 1, is characterized in that, described grid groove is that bottom is " V " font, " W " font, arc or corrugated micro-groove.
9. individual layer multipoint mode conducting film as claimed in claim 8, is characterized in that, the degree of depth of described micro-groove is 500nm～1 μ m.
10. individual layer multipoint mode conducting film as claimed in claim 1, is characterized in that, also comprises the protective clear layer that covers described the second conductive layer surface.
11. an individual layer multipoint mode touch screen comprises overlay, individual layer multipoint mode conducting film and shows module that it is characterized in that, described individual layer multipoint mode conducting film is individual layer multipoint mode conducting film as described as claim 1～10 any one.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320459694 CN203366283U (en) | 2013-07-30 | 2013-07-30 | Monolayer multi-point touch-control screen and monolayer multi-point conductive film thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320459694 CN203366283U (en) | 2013-07-30 | 2013-07-30 | Monolayer multi-point touch-control screen and monolayer multi-point conductive film thereof |
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| CN203366283U true CN203366283U (en) | 2013-12-25 |
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| CN 201320459694 Withdrawn - After Issue CN203366283U (en) | 2013-07-30 | 2013-07-30 | Monolayer multi-point touch-control screen and monolayer multi-point conductive film thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103425341A (en) * | 2013-07-30 | 2013-12-04 | 南昌欧菲光科技有限公司 | Single-layer multi-point type touch screen and single-layer multi-point type touch conducting film thereof |
-
2013
- 2013-07-30 CN CN 201320459694 patent/CN203366283U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103425341A (en) * | 2013-07-30 | 2013-12-04 | 南昌欧菲光科技有限公司 | Single-layer multi-point type touch screen and single-layer multi-point type touch conducting film thereof |
| CN103425341B (en) * | 2013-07-30 | 2016-10-26 | 南昌欧菲光科技有限公司 | One-layer multi-point touch control screen and one-layer multi-point conducting film thereof |
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