CN103425343A - Single-layer multi-point type touch conducting film and single-layer multi-point type touch screen - Google Patents
Single-layer multi-point type touch conducting film and single-layer multi-point type touch screen Download PDFInfo
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- CN103425343A CN103425343A CN2013103256068A CN201310325606A CN103425343A CN 103425343 A CN103425343 A CN 103425343A CN 2013103256068 A CN2013103256068 A CN 2013103256068A CN 201310325606 A CN201310325606 A CN 201310325606A CN 103425343 A CN103425343 A CN 103425343A
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Abstract
The invention provides a single-layer multi-point type touch conducting film, and further provides a single-layer multi-point type touch screen. The single-layer multi-point type touch conducting film comprises a transparent substrate, a first conducting layer, an insulating layer and a second conducting layer, wherein the transparent substrate comprises a sensing region and a frame region adjacent to the sensing region; the first conducting layer is of a grid shape, is arranged in the sensing region of the transparent substrate, and comprises crossed first conductive threads, the sensing region is provided with a grid groove, and the first conducting layer is accommodated in the grid groove; the insulating layer is located above the first conductive threads and is embedded into the grid groove; the second conducting layer is of a grid shape, is arranged in the sensing region of the transparent substrate, is separated from the first conducting layer through the insulating layer, and comprises crossed second conductive threads, and the first conducting layer or the second conducting layer is made of transparent conductive materials or both the first conducting layer and the second conducting layer are made of transparent conductive materials. The single-layer multi-point type touch conducting film is low in cost.
Description
[technical field]
The present invention relates to a kind of touch-control conducting film, particularly relate to a kind of individual layer multipoint mode touch-control conducting film and use the individual layer multipoint mode touch screen of this individual layer multipoint mode touch-control conducting film.
[background technology]
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.Although the develop rapidly at a tremendous pace of the manufacturing technology of touch-screen, take the projecting type capacitor screen as example, too large change does not occur in the basic manufacturing process of ITO layer in recent years, always inevitably needs the ITO plated film, and ITO is graphical.
Therefore indium is a kind of metal material of costliness, usings ITO as the material of conductive layer, has promoted to a great extent the cost of touch-screen.Moreover the ITO conductive layer, in graphical technique, need carry out etching by whole the ITO film plated, to form the ITO pattern, in this technique, a large amount of ITO is etched, causes a large amount of noble metal wastes and pollutes.
Therefore, the cost of products that makes of ITO material and corresponding technique remains high, and causes the cost of traditional individual layer multipoint mode touch-control conducting film higher.
[summary of the invention]
In view of above-mentioned condition, be necessary to provide a kind of lower-cost individual layer multipoint mode touch-control conducting film.
A kind of individual layer multipoint mode touch-control conducting film, it comprises:
Transparent substrates, comprise induction zone and the rim area adjacent with described induction zone;
The first conductive layer, be latticed, is arranged at the induction zone of described transparent substrates, and described the first conductive layer comprises cross one another the first conductive thread, and described induction zone offers the grid groove, and described the first conductive layer is contained in described grid groove;
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, with described the first conductive layer, by described insulation course, separates, and described the second conductive layer comprises cross one another the second conductive thread;
Wherein, in described the first conductive layer and described the second conductive layer, the material of at least one is transparent conductive material.
Compared to traditional individual layer multipoint mode touch-control conducting film, above-mentioned individual layer multipoint mode touch-control conducting film is offered the grid groove in transparent substrates, fill the first conductive thread in the grid groove and form the first conductive layer, thereby replace conventional I TO process structure with the embedded grider structure, thereby reduce costs; In the first conductive layer and the second conductive layer, the material of at least one is transparent conductive material simultaneously, lower for the first conductive layer and the requirement of the second conductive layer alignment precision like this, can further reduce costs.
In embodiment, also comprise hypothallus therein, 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.
In embodiment, described the first conductive layer and described the second conductive layer all are arranged at the induction zone of described hypothallus therein.
In embodiment, also comprise the first lead-in wire electrode and the second lead-in wire electrode of being located at described rim area therein, described the first lead-in wire electrode is electrically connected to the first conductive layer, and described second electrode that goes between is electrically connected to the second conductive layer.
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 is contained in the first groove that is opened in described rim area therein.
In embodiment, described the second lead-in wire electrode is positioned at the surface of described rim area, or is contained in the second groove that is opened in described rim area therein.
In embodiment, the grid of described the first conductive layer and described the second conductive layer is regular grid or random grid therein.
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, the material of described transparent substrates is thermoplastic or PET therein.
In embodiment, the material of described hypothallus is UV glue, impression glue or polycarbonate therein.
In embodiment, described transparent conductive material is Graphene, PEDOT, ITO or IZO therein.
In embodiment, also comprise the protective clear layer that covers described the second conductive layer surface therein.
In embodiment, the material of described protective clear layer is UV glue, impression glue or polycarbonate therein.
A kind of individual layer multipoint mode touch screen comprises overlay, individual layer multipoint mode touch-control conducting film and shows module that described individual layer multipoint mode touch-control conducting film is above-mentioned individual layer multipoint mode touch-control conducting film.
[accompanying drawing explanation]
The structural representation of the individual layer multipoint mode touch screen that Fig. 1 is embodiment of the present invention;
The sectional view that Fig. 2 is the individual layer multipoint mode touch-control conducting film in Fig. 1;
Fig. 3 (a) is to the structural representation of the different embodiment of the bottom of Fig. 3 (d) grid groove that is the individual layer multipoint mode touch-control conducting film shown in Fig. 2;
Fig. 4 (a) is to the structural representation of the different embodiment of Fig. 4 (d) grid that is the individual layer multipoint mode touch-control conducting film shown in Fig. 2;
The sectional view of the individual layer multipoint mode touch-control conducting film that Fig. 5 is another embodiment;
The exploded view of the individual layer multipoint mode touch-control conducting film that Fig. 6 is another embodiment;
Fig. 7 is the individual layer multipoint mode touch-control conducting film sectional view in another embodiment in Fig. 1;
Fig. 8 is the individual layer multipoint mode touch-control conducting film sectional view in another embodiment in Fig. 1;
Fig. 9 is the individual layer multipoint mode touch-control conducting film sectional view in another embodiment in Fig. 1;
Figure 10 is the individual layer multipoint mode touch-control conducting film sectional view in another embodiment in Fig. 1.
[embodiment]
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Provided preferred embodiment of the present invention in accompanying drawing.But the present invention can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the purpose of these embodiment be make the understanding of disclosure of the present invention 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 are just for illustrative purposes.
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 invention with scientific terminology.The term used in instructions of the present invention herein, just in order to describe the purpose of specific embodiment, is not intended to be restriction the present invention.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 of embodiment of the present invention comprises demonstration module 100, individual layer multipoint mode touch-control conducting film 200 and the overlay 300 stacked gradually.
Refer to Fig. 2, individual layer multipoint mode touch-control 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.Preferably, the first conductive layer 230 and grid groove 221 form by the mode of impression.
Further, grid groove 221 is " V " font, " W " font, arc or corrugated micro-groove for bottom.Refer to Fig. 3 (a) to Fig. 3 (d), the micro-groove that grid groove 221 shown in Fig. 3 (a) is " V " font for bottom, the micro-groove that grid groove 221 shown in Fig. 3 (b) is " W " font for bottom, the micro-groove that grid groove 221 shown in Fig. 3 (c) is arc for bottom, the grid groove 221 shown in Fig. 3 (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. 2, 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.In present embodiment, the material of insulation course 240 is dielectric ink or insulating gel.
The second conductive layer 250 is formed at the induction zone 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.
In the first conductive layer 230 and the second conductive layer 250, the material of at least one is transparent conductive material.Transparent conductive material is Graphene, PEDOT, ITO or IZO.It should be noted that, the material of another in the first conductive layer 230 and the second conductive layer 250 can be transparent conductive material, also can be opaque conductive material.Opaque transparent conductive material is conducting metal, is specifically silver or copper etc. in the present embodiment.
Further, the first conductive layer 230 and the second conductive layer 250 are comb teeth-shaped or latticed.Refer to Fig. 4 (a) to Fig. 4 (d), the grid of the first conductive layer 230 and the second conductive layer 250 is regular grid or random grid.Grid as shown in Figure 4 (a) is random grid, and Fig. 4 (b) is respectively regular hexagonal cell, rhombic-shaped grid and square net to the grid shown in Fig. 4 (d).
In the embodiment shown in Fig. 2, 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. 5 and Fig. 6, 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. 7, individual layer multipoint mode touch-control 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.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.It should be noted that, the first lead-in wire electrode 260 and the second lead-in wire electrode 270 are exemplary sign in the drawings, can not distinguish the first lead-in wire electrode 260 and the second lead-in wire electrode 270 with this.In illustrated embodiment, the first lead-in wire electrode 260 is contained in the first groove 223 of the rim area 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 that is opened in hypothallus 220.Certainly, 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.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.
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 network of the first lead-in wire electrode 260 and the second lead-in wire electrode 270 is identical with the network of the first conductive layer 230 and the second conductive layer 250, is regular grid or random grid, is specifically as follows Fig. 4 (a) to the structure shown in Fig. 4 (d).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. 8, further, individual layer multipoint mode touch-control 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.
Please consult Fig. 9 and Figure 10, in other embodiment, hypothallus 220 can omit simultaneously, and transparent substrates 210 comprises induction zone and the rim area adjacent with induction zone.Now grid groove 221 is opened in the induction zone of transparent substrates 210, and the first groove 223 and the second groove 225 are opened in the rim area of transparent substrates 210, and the second conductive layer 250 is located at the induction zone of transparent substrates 210.
Compared to traditional individual layer multipoint mode touch-control conducting film, above-mentioned individual layer multipoint mode touch-control conducting film 200 at least has the following advantages:
(1) above-mentioned individual layer multipoint mode touch-control 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, with the embedded grider structure, replaces conventional I TO process structure, thereby reduce costs simplified manufacturing technique; The material of at least one in the second conductive layer and the first conductive layer is transparent conductive material, lower for the first conductive layer and the requirement of the second conductive layer alignment precision like this, can further reduce costs.
(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 touch-control conducting film 100; Adopt this flush type design simultaneously, the performance of individual layer multipoint mode touch-control 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.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore 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 (18)
1. an individual layer multipoint mode touch-control conducting film, is characterized in that, comprising:
Transparent substrates, comprise induction zone and the rim area adjacent with described induction zone;
The first conductive layer, be latticed, is arranged at the induction zone of described transparent substrates, and described the first conductive layer comprises cross one another the first conductive thread, and described induction zone offers the grid groove, and described the first conductive layer is contained in described grid groove;
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, with described the first conductive layer, by described insulation course, separates, and described the second conductive layer comprises cross one another the second conductive thread;
Wherein, in described the first conductive layer and described the second conductive layer, the material of at least one is transparent conductive material.
2. individual layer multipoint mode touch-control conducting film as claimed in claim 1, is characterized in that, 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.
3. individual layer multipoint mode touch-control conducting film as claimed in claim 2, is characterized in that, described the first conductive layer and described the second conductive layer all are arranged at the induction zone of described hypothallus.
4. individual layer multipoint mode touch-control conducting film as described as claim 1 or 3, it is characterized in that, also comprise the first lead-in wire electrode and the second lead-in wire electrode of being located at described rim area, described the first lead-in wire electrode is electrically connected to the first conductive layer, and described the second lead-in wire electrode is electrically connected to the second conductive layer.
5. individual layer multipoint mode touch-control conducting film as claimed in claim 4, is characterized in that, described the first lead-in wire electrode and described the second lead-in wire electrode are linear.
6. individual layer multipoint mode touch-control conducting film as claimed in claim 4, 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.
7. individual layer multipoint mode touch-control conducting film as claimed in claim 4, is characterized in that, described the first lead-in wire electrode is positioned at the surface of described rim area, or is contained in the first groove that is opened in described rim area.
8. individual layer multipoint mode touch-control conducting film as claimed in claim 4, is characterized in that, described the second lead-in wire electrode is positioned at the surface of described rim area, or is contained in the second groove that is opened in described rim area.
9. individual layer multipoint mode touch-control conducting film as claimed in claim 1, is characterized in that, the grid of described the first conductive layer and described the second conductive layer is regular grid or random grid.
10. individual layer multipoint mode touch-control 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, 1 μ m≤d1≤5 μ m, 2 μ m≤h≤6 μ m, h/d1 > 1.
11. individual layer multipoint mode touch-control 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.
12. individual layer multipoint mode touch-control conducting film as claimed in claim 11, is characterized in that, the degree of depth of described micro-groove is 500nm～1 μ m.
13. individual layer multipoint mode touch-control conducting film as claimed in claim 1 is characterized in that the material of described transparent substrates is thermoplastic or PET.
14. individual layer multipoint mode touch-control conducting film as claimed in claim 2, is characterized in that, the material of described hypothallus is UV glue, impression glue or polycarbonate.
15. individual layer multipoint mode touch-control conducting film as claimed in claim 1 is characterized in that described transparent conductive material is Graphene, PEDOT, ITO or IZO.
16. individual layer multipoint mode touch-control 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.
17. individual layer multipoint mode touch-control conducting film as claimed in claim 16, is characterized in that, the material of described protective clear layer is UV glue, impression glue or polycarbonate.
18. an individual layer multipoint mode touch screen comprises overlay, individual layer multipoint mode touch-control conducting film and shows module that it is characterized in that, described individual layer multipoint mode touch-control conducting film is as the described individual layer multipoint mode of claim 1-17 any one touch-control conducting film.
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| CN201310325606.8A CN103425343B (en) | 2013-07-30 | 2013-07-30 | One-layer multi-point touch control conductive film and one-layer multi-point touch control screen |
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| CN201310325606.8A CN103425343B (en) | 2013-07-30 | 2013-07-30 | One-layer multi-point touch control conductive film and one-layer multi-point touch control screen |
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Address after: 330000 Huang Jia Hu Road, Nanchang economic and Technological Development Zone, Nanchang, Jiangxi Patentee after: Nanchang OFilm Tech. Co.,Ltd. Patentee after: Ophiguang Group Co.,Ltd. Patentee after: SUZHOU OFILM TECH Co.,Ltd. Address before: 330000 Huang Jia Hu Road, Nanchang economic and Technological Development Zone, Nanchang, Jiangxi Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: OFilm Tech Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. Address after: 330000 Huang Jia Hu Road, Nanchang economic and Technological Development Zone, Nanchang, Jiangxi Patentee after: Nanchang OFilm Tech. Co.,Ltd. Patentee after: OFilm Tech Co.,Ltd. Patentee after: SUZHOU OFILM TECH Co.,Ltd. Address before: 330000 Huang Jia Hu Road, Nanchang economic and Technological Development Zone, Nanchang, Jiangxi Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: Shenzhen OFilm Tech Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. |
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Effective date of registration: 20210222 Address after: 231323 Building 1, precision electronics industrial park, Hangbu Town, Shucheng County, Lu'an City, Anhui Province Patentee after: Anhui jingzhuo optical display technology Co.,Ltd. Address before: 330000 Huang Jia Hu Road, Nanchang economic and Technological Development Zone, Nanchang, Jiangxi Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: Ophiguang Group Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. |