CN105335006A - Touch panel - Google Patents
Touch panel Download PDFInfo
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- CN105335006A CN105335006A CN201510793152.6A CN201510793152A CN105335006A CN 105335006 A CN105335006 A CN 105335006A CN 201510793152 A CN201510793152 A CN 201510793152A CN 105335006 A CN105335006 A CN 105335006A
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- sensing electrode
- lead
- wire
- connecting line
- contact panel
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Abstract
The invention discloses a touch panel. The touch panel comprises a touch electrode layer, wherein the touch electrode layer comprises a plurality of first sensing electrodes extending along a first direction, and a plurality of second sensing electrodes extending along a second direction, wherein each sensing electrode comprises a plurality of first sensing electrode units which are distributed in sequence, each second sensing electrode comprises a plurality of second sensing units which are distributed in sequence, and the first sensing electrodes and the second sensing electrodes are made of graphene.
Description
Technical field
The present invention relates to a kind of contact panel, particularly relate to a kind of contact panel based on Graphene.
Background technology
In existing contact panel technology, oxidation is pluged with molten metal tin (ITO) material and is widely used as transparency electrode.Be designed to example with One-Glass-Solution (OGS), the X-axis of active region (AA) and the sensing electrode unit of Y-axis, all make with ITO material.But along with technical development, touch-control application is towards many-sided expansion, and the TV even large-scale display device such as digital advertisement board all adds touch controllable function; Add that the Wearable device upsurges such as recent intelligent watch are risen, allow the demand of bendable touch control display constantly increase.Thus phosphide material is following can not meet the factors such as flexible panel demand all limit the application of ITO material in these in large size panel or flexible panel extends roller by lower to the high cost facing shortage, ITO is used for middle large size panel, ITO material pliability.
In the replacement material of ITO, grapheme material receives very big concern because of its excellent mechanical strength and pliability.Replace ITO with Graphene, the dependence to rare metal can be reduced, and the demand of flexible touch-control device for toughness of material can be met.
Summary of the invention
In view of this, the invention provides a kind of can reduce rare metal dependence and the strong contact panel of pliability.
A kind of contact panel, it comprises a touch control electrode layer, described touch control electrode layer comprises multiple first sensing electrode extended along first direction and multiple second sensing electrodes extended along second direction, each first sensing electrode comprises multiple first sensing electrode unit of arranging successively, each second sensing electrode comprises multiple second sensing electrode unit of arranging successively, and described first sensing electrode unit and described second sensing electrode unit are made by Graphene.
Compared to prior art, contact panel of the present invention substitutes ITO material with Graphene and manufactures the sensing electrode unit of contact panel, the connecting line of sensing electrode unit and lead-in wire, the use of rare metal can be reduced, also there is better pliability, large-sized display panel and flexible panel in being thus more applicable for.
Accompanying drawing explanation
Fig. 1 is the structural representation of the touch control electrode layer of the contact panel of most preferred embodiment of the present invention.
Fig. 2 is the structural representation of the touch electrode structure of the touch control electrode layer of Fig. 1.
Fig. 3 is the sectional view of the touch electrode structure of Fig. 2.
Main element symbol description
| Contact panel | 100 |
| Touch control electrode layer | 10 |
| First sensing electrode | 12 |
| First sensing electrode unit | 122 |
| Second sensing electrode | 14 |
| Second sensing electrode unit | 142 |
| Bridge construction | 16 |
| First connecting line | 162 |
| Second connecting line | 164 |
| Insulation course | 166 |
| First lead-in wire | 22 |
| Second lead-in wire | 24 |
| Flexible PCB | 30 |
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
As shown in Figure 1, the invention provides a contact panel 100, this contact panel 100 is individual layer multi-point touch-control panel, is applied to touch operation on described touch-control display panel in its display device for various sizes and flexible display device to detect user.Described contact panel 100 comprises a touch control electrode layer 10, also comprises the well-known components such as transparency carrier and protection panel.
Refer to Fig. 2 and Fig. 3, touch control electrode layer 10 is formed in transparency carrier (not shown), and is made up of multiple touch electrode structure 11.Particularly, touch control electrode layer 10 comprises multiple first sensing electrode 12 extended along first direction and multiple second sensing electrodes 14 extended along second direction.This first direction and second direction can be any angle.In the present embodiment, this first direction and second direction are mutually vertical.Each described first sensing electrode 12 comprises multiple first sensing electrode unit 122 of arranging successively, and each described second sensing electrode 14 comprises multiple second sensing electrode unit 142 of arranging successively.Touch control electrode layer 10 also comprises several bridge constructions 16, and two adjacent the first sensing electrode unit 122 are connected respectively by bridge construction 16 with adjacent two the second sensing electrode unit 142.In the embodiment of the present invention, the first sensing electrode unit 122 and the second sensing electrode unit 142 are the Rhombus pole unit that Graphene is made, in other embodiments of the invention, the shape of the first sensing electrode unit 122 and the second sensing electrode unit 142 is not limited, as long as Graphene is made.
Bridge construction 16 comprise the first connecting line 162 connecting adjacent two the first sensing electrode unit 122, the second connecting line 164 connecting adjacent two the second sensing electrode unit 142 and between the first connecting line 162 and the second connecting line 164 by the insulation course 166 of the first connecting line 162 and the second connecting line 164 spacer insulator.First connecting line 162 is made of metal, and the second connecting line 164 can be made up of Graphene.Particularly, the first connecting line 162 and the second connecting line 164 intersect vertically, and intersection is provided with insulation course 166, insulation course 166 between described first connecting line 162 and the second connecting line 164 and cover the first connecting line 162.Insulation course 166 can have the dielectric film of light transmission for one deck, and such insulation course 166 can either play the effect of insulation, can not affect again the light transmission of touch electrode structure.
First sensing electrode 12 is connected with the first lead-in wire 22, second sensing electrode 14 is connected with the second lead-in wire 24, first go between 22 and second lead-in wire 24 to extend to contact panel 100 outer to make the first sensing electrode 12 be connected with flexible PCB 30 with the second sensing electrode 14.Described first lead-in wire 22 and the second lead-in wire 24 can be made up of Graphene.In other embodiments of the invention, also can be mixed by Graphene and ITO material.
In the embodiment of the present invention, the first sensing electrode unit 122, second sensing electrode unit 142, second connecting line 164 of touch control electrode layer 10 and lead-in wire 20 are made by Graphene.Concrete steps are: first, grow a graphene film; Secondly, this graphene film of patterning, again, is passed to flexible base plate through transfer technique by the graphene film of patterning, to form touch control electrode layer 10.Utilize grapheme material collocation transfer technique to form the touch panel structure provided of individual layer multiple spot, then only can use one Graphene printing process, complete the making of touch control electrode layer 10.
Compared to prior art, all make the first sensing electrode unit 122, second sensing electrode unit 142, second connecting line 164 and the lead-in wire 20 of touch control electrode layer 10 in the embodiment of the present invention with Graphene, thus obtain the Graphene contact panel of high-res all-transparent.Graphene film has excellent electric conductivity, and its conductivity can reach 200 ~ 2000S/cm (200 ~ 2000 Siemens/cm).In addition, this graphene film is extremely low to the absorptivity of light, be only about 2%, 15% ~ 18% of tin thin film is pluged with molten metal far below common oxidation, adopt grapheme material can improve light utilization while guarantee good electric conductivity as touch control electrode layer 10, and because of it, there is excellent mechanical strength and pliability, replace ITO with Graphene, the dependence to rare metal can be reduced, also meet the demand of flexible touch-control device for toughness of material.
Claims (7)
1. a contact panel, it comprises a touch control electrode layer, described touch control electrode layer comprises multiple first sensing electrode extended along first direction and multiple second sensing electrodes extended along second direction, each described first sensing electrode comprises multiple first sensing electrode unit of arranging successively, each described second sensing electrode comprises multiple second sensing electrode unit of arranging successively, it is characterized in that, described first sensing electrode unit and described second sensing electrode unit are made by Graphene.
2. contact panel as claimed in claim 1, it is characterized in that, described touch control electrode layer also comprises the bridge construction connecting adjacent two described first sensing electrode unit and adjacent two described second sensing electrode unit, described bridge construction comprises the first connecting line connecting adjacent two described first sensing electrode unit, connect adjacent two described second sensing electrode unit the second connecting line and between described first connecting line and described second connecting line by the insulation course of described first connecting line and described second connecting line spacer insulator, described second connecting line is made up of Graphene.
3. contact panel as claimed in claim 2, it is characterized in that, described first connecting line is crossing with described second connecting line, and described intersection is provided with described insulation course, and described insulation course is between described first connecting line and described second connecting line and cover described first connecting line.
4. contact panel as claimed in claim 3, it is characterized in that, described insulation course is the dielectric film that one deck has light transmission.
5. contact panel as claimed in claim 2, it is characterized in that, described first sensing electrode is connected with the first lead-in wire, described second sensing electrode is connected with the second lead-in wire, it is outer to make described first sensing electrode be connected with flexible PCB with described second sensing electrode that described first lead-in wire and described second lead-in wire extend to described contact panel, and described first lead-in wire and the second lead-in wire are made up of Graphene.
6. contact panel as claimed in claim 2, it is characterized in that, described first sensing electrode is connected with the first lead-in wire, described second sensing electrode is connected with the second lead-in wire, it is outer to make described first sensing electrode be connected with flexible PCB with described second sensing electrode that described first lead-in wire and described second lead-in wire extend to described contact panel, and described first lead-in wire and the second lead-in wire are mixed by Graphene and ITO material.
7. contact panel as claimed in claim 5, is characterized in that, described first sensing electrode unit, described second sensing electrode unit, described second connecting line, described first lead-in wire and the second lead-in wire are formed by one printing process by Graphene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510793152.6A CN105335006A (en) | 2015-11-18 | 2015-11-18 | Touch panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510793152.6A CN105335006A (en) | 2015-11-18 | 2015-11-18 | Touch panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105335006A true CN105335006A (en) | 2016-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510793152.6A Pending CN105335006A (en) | 2015-11-18 | 2015-11-18 | Touch panel |
Country Status (1)
| Country | Link |
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| CN (1) | CN105335006A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108984032A (en) * | 2018-07-12 | 2018-12-11 | 京东方科技集团股份有限公司 | Touch base plate and preparation method thereof, display device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2544080A2 (en) * | 2010-03-03 | 2013-01-09 | Miraenanotech Co., Ltd. | Capacitive touch panel and manufacturing method for same |
| CN102880369A (en) * | 2012-10-15 | 2013-01-16 | 无锡格菲电子薄膜科技有限公司 | Monolithic capacitive touch screen and preparation method thereof |
| CN103455203A (en) * | 2013-08-30 | 2013-12-18 | 京东方科技集团股份有限公司 | Touch screen, manufacturing method of touch screen and display device |
| CN104777924A (en) * | 2014-01-09 | 2015-07-15 | 宸鸿科技(厦门)有限公司 | Touch panel and manufacture method thereof |
-
2015
- 2015-11-18 CN CN201510793152.6A patent/CN105335006A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2544080A2 (en) * | 2010-03-03 | 2013-01-09 | Miraenanotech Co., Ltd. | Capacitive touch panel and manufacturing method for same |
| CN102880369A (en) * | 2012-10-15 | 2013-01-16 | 无锡格菲电子薄膜科技有限公司 | Monolithic capacitive touch screen and preparation method thereof |
| CN103455203A (en) * | 2013-08-30 | 2013-12-18 | 京东方科技集团股份有限公司 | Touch screen, manufacturing method of touch screen and display device |
| CN104777924A (en) * | 2014-01-09 | 2015-07-15 | 宸鸿科技(厦门)有限公司 | Touch panel and manufacture method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108984032A (en) * | 2018-07-12 | 2018-12-11 | 京东方科技集团股份有限公司 | Touch base plate and preparation method thereof, display device |
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| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160217 |
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| WD01 | Invention patent application deemed withdrawn after publication |