CN106201138A - Touch screen and display device - Google Patents
Touch screen and display device Download PDFInfo
- Publication number
- CN106201138A CN106201138A CN201610512318.7A CN201610512318A CN106201138A CN 106201138 A CN106201138 A CN 106201138A CN 201610512318 A CN201610512318 A CN 201610512318A CN 106201138 A CN106201138 A CN 106201138A
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- Prior art keywords
- control electrode
- electrode layer
- touch control
- conductive layer
- layer
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention provides a kind of touch screen and display device, this touch screen includes underlay substrate and is arranged on the touch control electrode layer on described underlay substrate, described touch control electrode layer includes the first conductive layer and the second conductive layer that stacking arranges, described first conductive layer contacts with described second conductive layer, described first conductive layer includes metal material, described second conductive layer includes transparent conductive material, and the resistivity of described metal material is less than the resistivity of described transparent conductive material.The touch screen that the present invention provides, touch control electrode layer therein includes the first conductive layer formed by metal material and the second conductive layer formed by transparent conductive material, the touch control electrode layer only made by ITO in compared to existing technology, the thickness of touch control electrode layer can be effectively reduced, such that it is able to avoid touch control electrode layer to occur coming off on the position of climbing the problem of (Peeling) under identical resistance.
Description
Technical field
The present invention relates to display field, particularly relate to a kind of touch screen and display device.
Background technology
Along with developing rapidly of Display Technique, touch screen is the most gradually deep in the middle of the life of people, current touch-control
Technology mainly includes that On-cell/In-cell/OGS, three kinds of mainstream technologys have half share, and OGS occupies advantage in large scale,
On-cell/In-cell has cost advantage on small-size product.
Consumer's Experience is the target that touch-control is pursued, one of touch-control susceptiveness key factor becoming Consumer's Experience.For mesh
Front On-cell/In-cell/OGS touch technology, the main capacitance touching control principle that uses, employing ITO (tin indium oxide) conduct
The signal transmission passage of Tx (touch-control drive electrode)/Rx (touch-control sensing electrode), but user requires more preferable touch-control susceptiveness
And when supporting main being started writing, the touch control electrode layer (ITO Pattern) of high square resistance can not meet touch-control and drive the demand of IC.Cause
This, the ITO Pattern of low square resistance is the most ready to appear, but current low square resistance ITO Pattern exists thicker the asking of film layer
Topic, especially in OGS technique, easily makes low square resistance ITO Pattern occur come off (Peeling), sternly on the position of climbing
Ghost image rings reliability and the yield of product, seriously hinders the raising of touch-control performance.
Summary of the invention
(1) to solve the technical problem that
The technical problem to be solved in the present invention is: how to solve touch control electrode layer in existing touch screen and occurs when climbing
Come off (Peeling) problem.
(2) technical scheme
For solving above-mentioned technical problem, technical scheme provides a kind of touch screen, including underlay substrate and
Being arranged on the touch control electrode layer on described underlay substrate, described touch control electrode layer includes the first conductive layer and second that stacking is arranged
Conductive layer, described first conductive layer contacts with described second conductive layer, and described first conductive layer includes metal material, and described
Two conductive layers include transparent conductive material, and the resistivity of described metal material is less than the resistivity of described transparent conductive material.
Preferably, described touch control electrode layer includes first area and second area, the first area of described touch control electrode layer
Upper level less than the upper level of second area of described touch control electrode layer, described touch control electrode layer also includes arranging
Climbing portion between described first area and described second area, the first area of described touch control electrode layer and described touch-control electricity
The second area of pole layer is connected by described climbing portion.
Preferably, described second conductive layer is arranged on described first conductive layer side away from described underlay substrate.
Preferably, described touch control electrode layer is provided with silicon oxynitride layer away from the side of described underlay substrate.
Preferably, the thickness of described first conductive layer is 1 nanometer～10 nanometers.
Preferably, the thickness of described second conductive layer is 100 Ethylmercurichlorendimides～450 Ethylmercurichlorendimides.
Preferably, at least one during described metal material includes aluminum, copper, silver.
Preferably, described transparent conductive material includes tin indium oxide.
Preferably, also include the black matrix being arranged on described underlay substrate and be successively set on described touch control electrode layer
On insulating barrier, bridge formation layer.
Preferably, also include black matrix, the bridge formation layer being arranged on described underlay substrate, described bridge formation layer is provided with absolutely
Edge layer, described touch control electrode layer is arranged on described insulating barrier.
For solving above-mentioned technical problem, present invention also offers a kind of display device, including above-mentioned touch screen.
(3) beneficial effect
The touch screen that the present invention provides, touch control electrode layer therein include the first conductive layer of being formed by metal material and
The second conductive layer formed by transparent conductive material, compared to existing technology in the touch control electrode layer that only made by ITO, identical
The thickness of touch control electrode layer can be effectively reduced, such that it is able to it is de-to avoid touch control electrode layer to occur on the position of climbing under resistance
Fall the problem of (Peeling).
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of touch screen that embodiment of the present invention provides；
Fig. 2 is the schematic diagram of the another kind of touch screen that embodiment of the present invention provides.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the detailed description of the invention of the present invention is described in further detail.Hereinafter implement
Example is used for illustrating the present invention, but is not limited to the scope of the present invention.
Embodiment of the present invention provides a kind of touch screen, including underlay substrate and be arranged on described underlay substrate
Touch control electrode layer, described touch control electrode layer includes the first conductive layer and the second conductive layer, described first conductive layer that stacking arranges
Contacting with described second conductive layer, described first conductive layer includes that metal material, described second conductive layer include electrically conducting transparent
Material, the resistivity of described metal material is less than the resistivity of described transparent conductive material.
The touch screen that embodiment of the present invention provides, touch control electrode layer therein includes first being led by what metal material was formed
Electric layer and the second conductive layer formed by transparent conductive material, compared to existing technology in the touch control electrode layer that only made by ITO,
The thickness of touch control electrode layer can be effectively reduced, such that it is able to avoid touch control electrode layer in the position of climbing under identical resistance
On occur coming off the problem of (Peeling).
Such as, the metal material of the first conductive layer can include at least one in aluminum, copper, silver, the second conductive layer saturating
Bright conductive material can include tin indium oxide (ITO).
For reducing the metal material impact on touch control electrode layer light transmission, can by control the thickness of the first conductive layer from
And make the first conductive layer possess preferable light transmission, when the first conductive layer thickness formed by metal material is less, first leads
Electric layer can possess preferable light transmission, and such as, the thickness of the first conductive layer can be less than 10 nanometers (nm), it is preferable that first
The thickness of conductive layer can be 1 nanometer～10 nanometers, such as, can be 3 nanometers, 6 nanometers etc., the thickness of described second conductive layer
Can be 100 Ethylmercurichlorendimides (A)～450 Ethylmercurichlorendimides (A), such as, can be 300 Ethylmercurichlorendimides, 400 Ethylmercurichlorendimides etc..
Owing to metal material is the most oxidized, it is preferable that it is remote that described second conductive layer can be arranged on described first conductive layer
From the side of described underlay substrate, thus the second conductive layer can also be made to play the effect to the first conductive layer protection, prevent the
Metal material in one conductive layer is oxidized.
Preferably, it is also possible at touch control electrode layer, silicon oxynitride layer is set away from the side of described underlay substrate
(SiNxOy), thus reach to improve disappear shadow and anti-reflection purpose.
In the present invention, the touch control electrode layer of touch screen includes several touch control electrode, and wherein, each touch control electrode is equal
Including the first conductive layer and the second conductive layer；
Wherein, touch control electrode layer includes first area and second area, the upper table of the first area of described touch control electrode layer
Face height is less than the upper level of second area of described touch control electrode layer, and described touch control electrode layer also includes being arranged on described
Climbing portion between first area and described second area, the first area of described touch control electrode layer and described touch control electrode layer
Second area is connected by described climbing portion.In the present invention, include by metal material shape due to touch control electrode layer therein
The first conductive layer become and the second conductive layer of being formed by transparent conductive material, compared to existing technology in only made by ITO
Touch control electrode layer, can effectively reduce the thickness of touch control electrode layer under identical resistance, such that it is able to avoid touch control electrode layer
Occur coming off the problem of (Peeling) in the position (i.e. climbing portion) of climbing.
Such as, the OGS touch screen (i.e. using the OGS touch screen of metal rack bridge construction) that current 5Mask technique is made,
It can use the touch control electrode layer of said structure, and seeing Fig. 1, Fig. 1 is the showing of a kind of touch screen that embodiment of the present invention provides
Being intended to, this touch screen includes underlay substrate 110 and the black matrix 120 (BM) being arranged on underlay substrate 110, touch control electrode
Layer and the insulating barrier (OC1) 140 being successively set on touch control electrode layer, bridge formation layer 151；
Wherein, described touch control electrode layer includes the first conductive layer 131 and the second conductive layer 132 that stacking is arranged, and first leads
Electric layer 131 and the second conductive layer 132 contact, and both patterns can identical (the i.e. first conductive layer 131 be on underlay substrate
Projection with the projection on underlay substrate of second conductive layer 132 completely overlapped), the second conductive layer 132 is transparent conductive material,
For example, it is possible to be ITO, the first conductive layer 131 is less than the metal material of this transparent conductive material for resistivity, for example, it is possible to be
Fine aluminium, fine copper, fine silver etc., further, since the second conductive layer 132 is arranged on the first conductive layer 131 away from the one of underlay substrate 110
Side, thus the second conductive layer 132 can also be made to play the effect to the first conductive layer 131 protection, prevent in the first conductive layer 131
Metal material oxidized；
As it is shown in figure 1, touch control electrode layer includes first area 13a and second area 13b, the first of described touch control electrode layer
The upper level of the region 13a upper level less than the second area 13b of described touch control electrode layer, described touch control electrode layer
Also include the climbing portion 13c (climbing the position of BM) being arranged between described first area 13a and described second area 13b, described
The first area 13a of touch control electrode layer and the second area 13b of described touch control electrode layer is connected by described climbing portion 13c,
Owing to the present invention can effectively reduce the thickness of touch control electrode layer under identical resistance, such that it is able to avoid touch control electrode layer
Climbing portion occurs coming off the problem of (Peeling).
Wherein, the thickness of the first conductive layer 131 can be 1 nanometer～10 nanometers, such as, can be 3 nanometers, 6 nanometers etc.,
The thickness of described second conductive layer 132 can be 100 Ethylmercurichlorendimides (A)～450 Ethylmercurichlorendimides (A), such as, can be 300 Ethylmercurichlorendimides, 400 Ethylmercurichlorendimides
Deng.
It addition, bridge formation layer 151 is metal material, its holding wire 152 with touch screen periphery in a patterning processes with
Time formed；
In the present embodiment, the touch control electrode layer of touch screen includes several touch control electrode, wherein, each touch-control electricity
The most all include the first conductive layer and the second conductive layer；
Preferably, it is also possible to silicon oxynitride layer (SiNxOy) is set on the second conductive layer 132, thus reach improvement and disappear shadow
And anti-reflection purpose, such as can increase silicon oxynitride layer thereon after etching forms touch control electrode layer.
The touch screen that embodiment of the present invention provides, touch control electrode layer therein includes first being led by what metal material was formed
Electric layer and the second conductive layer formed by transparent conductive material, compared to existing technology in the touch screen of 5Mask technique, in phase
With resistance under can effectively reduce the thickness of touch control electrode layer, such that it is able to avoid touch control electrode layer climbing position (as
Climb the position of BM) on occur coming off the problem of (Peeling), be effectively improved the touch screen using low square resistance ITO Pattern
Performance.
Such as, the OGS touch screen (i.e. using the OGS touch screen of transparent bridging structure) that current 6Mask technique is made,
It can use the touch control electrode layer of said structure, and seeing Fig. 2, Fig. 2 is the showing of a kind of touch screen that embodiment of the present invention provides
Being intended to, this touch screen includes underlay substrate 210 and the black matrix 220 (BM) being arranged on underlay substrate 210, bridge formation layer 230,
Being provided with insulating barrier 240 (OC1) on bridge formation layer 230, insulating barrier 240 is provided with touch control electrode layer, touch screen periphery also sets up
There is holding wire 260；
Wherein, described touch control electrode layer includes the first conductive layer 251 and the second conductive layer 252 that stacking is arranged, and first leads
Electric layer 251 and the second conductive layer 252 contact, and both patterns can identical (the i.e. first conductive layer 251 be on underlay substrate
Projection with the projection on underlay substrate of second conductive layer 252 completely overlapped), the second conductive layer 252 is transparent conductive material,
For example, it is possible to be ITO, the first conductive layer 251 is less than the metal material of this transparent conductive material for resistivity, for example, it is possible to be
Fine aluminium, fine copper, fine silver etc., further, since the second conductive layer 252 is arranged on the first conductive layer 251 away from the one of underlay substrate 210
Side, thus the second conductive layer 252 can also be made to play the effect to the first conductive layer 251 protection, prevent in the first conductive layer 251
Metal material oxidized；
As in figure 2 it is shown, touch control electrode layer includes first area 25a and second area 25b, the first of described touch control electrode layer
The upper level of the region 25a upper level less than the second area 25b of described touch control electrode layer, described touch control electrode layer
Also include the climbing portion 25c (climbing the position of OC1) being arranged between described first area 25a and described second area 25b, described
The first area 25a of touch control electrode layer and the second area 25b of described touch control electrode layer is connected by described climbing portion 25c,
Owing to the present invention can effectively reduce the thickness of touch control electrode layer under identical resistance, such that it is able to avoid touch control electrode layer
Climbing portion occurs coming off the problem of (Peeling).
Wherein, the thickness of the first conductive layer 251 can be 1 nanometer～10 nanometers, such as, can be 3 nanometers, 6 nanometers etc.,
The thickness of described second conductive layer 252 can be 100 Ethylmercurichlorendimides (A)～450 Ethylmercurichlorendimides (A), such as, can be 300 Ethylmercurichlorendimides, 400 Ethylmercurichlorendimides
Deng.
It addition, bridge formation layer 251 is transparent conductive material, such as, can be ITO；
In the present embodiment, the touch control electrode layer of touch screen includes several touch control electrode, wherein, each touch-control electricity
The most all include the first conductive layer and the second conductive layer；
Preferably, it is also possible to silicon oxynitride layer (SiNxOy) is set on the second conductive layer 252, thus reach improvement and disappear shadow
And anti-reflection purpose, such as can increase silicon oxynitride layer thereon after etching forms touch control electrode layer.
The touch screen that embodiment of the present invention provides, touch control electrode layer therein includes first being led by what metal material was formed
Electric layer and the second conductive layer formed by transparent conductive material, compared to existing technology in the touch screen of 6Mask technique, in phase
With resistance under can effectively reduce the thickness of touch control electrode layer, such that it is able to avoid touch control electrode layer climbing position (as
Climb the position of OC1) on occur bridge point bore carve, prevent from the position climb BM, fall off (Peeling), be effectively improved employing low
The performance of the touch screen of sheet resistance ITO Pattern.
Additionally, the present invention is applicable not only to the touch screen of OGS structure, apply also for other structures (such as On-cell or In-
Cell structure) touch screen, owing to touch control electrode layer therein includes the first conductive layer formed by metal material and by thoroughly
The second conductive layer that bright conductive material is formed, compared to existing technology in the touch control electrode layer that only made by ITO, at identical resistance
Can effectively reduce down the thickness of touch control electrode layer, such as, along with on current On-cell main started writing and 2in1 product (PC puts down
Plate two-in-one product) birth, it is desirable to the sheet resistance of touch control electrode layer is at 10 ohm or lower, according to existing making work
Skill, uses the direct plated film of low temperature ITO to realize low square resistance, and its thickness, at more than 4000A, not only affects etching effect, is also easy to make
Touch control electrode layer occurs coming off the problem of (Peeling) on the position of climbing, and uses the technical scheme in the present invention in phase
The thickness of touch control electrode layer can be effectively reduced, it is to avoid touch control electrode layer occurs coming off on the position of climbing under same sheet resistance
(Peeling) problem, it is achieved the touch-control requirement of high-performance touch screen.
Additionally, embodiment of the present invention additionally provides a kind of display device, including above-mentioned touch screen.Wherein, the present invention
The display device that embodiment provides can be note-book computer display screen, display, TV, DPF, mobile phone, flat board electricity
Any product with display function such as brain or parts.
Embodiment of above is merely to illustrate the present invention, and not limitation of the present invention, common about technical field
Technical staff, without departing from the spirit and scope of the present invention, it is also possible to make a variety of changes and modification, therefore own
The technical scheme of equivalent falls within scope of the invention, and the scope of patent protection of the present invention should be defined by the claims.
Claims (11)
1. a touch screen, including underlay substrate and be arranged on the touch control electrode layer on described underlay substrate, it is characterised in that
Described touch control electrode layer includes the first conductive layer and the second conductive layer that stacking arranges, and described first conductive layer is led with described second
Electric layer contacts, and described first conductive layer includes that metal material, described second conductive layer include transparent conductive material, described metal
The resistivity of material is less than the resistivity of described transparent conductive material.
Touch screen the most according to claim 1, it is characterised in that described touch control electrode layer includes first area and the secondth district
Territory, the upper level of the first area of described touch control electrode layer is high less than the upper surface of the second area of described touch control electrode layer
Degree, described touch control electrode layer also includes the climbing portion being arranged between described first area and described second area, described touch-control
The first area of electrode layer is connected by described climbing portion with the second area of described touch control electrode layer.
Touch screen the most according to claim 1, it is characterised in that described second conductive layer is arranged on described first conductive layer
Side away from described underlay substrate.
Touch screen the most according to claim 1, it is characterised in that described touch control electrode layer is away from the one of described underlay substrate
Side is provided with silicon oxynitride layer.
Touch screen the most according to claim 1, it is characterised in that the thickness of described first conductive layer is that 1 nanometer～10 is received
Rice.
Touch screen the most according to claim 1, it is characterised in that the thickness of described second conductive layer is 100 Ethylmercurichlorendimides～450
Ethylmercurichlorendimide.
Touch screen the most according to claim 1, it is characterised in that described metal material includes at least in aluminum, copper, silver
Kind.
Touch screen the most according to claim 1, it is characterised in that described transparent conductive material includes tin indium oxide.
9. according to the arbitrary described touch screen of claim 1-8, it is characterised in that also include being arranged on described underlay substrate
Black matrix and be successively set on the insulating barrier on described touch control electrode layer, bridge formation layer.
10. according to the arbitrary described touch screen of claim 1-8, it is characterised in that also include being arranged on described underlay substrate
Black matrix, bridge formation layer, described bridge formation layer is provided with insulating barrier, described touch control electrode layer is arranged on described insulating barrier.
11. 1 kinds of display devices, it is characterised in that include the arbitrary described touch screen of claim 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610512318.7A CN106201138A (en) | 2016-06-30 | 2016-06-30 | Touch screen and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610512318.7A CN106201138A (en) | 2016-06-30 | 2016-06-30 | Touch screen and display device |
Publications (1)
| Publication Number | Publication Date |
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| CN106201138A true CN106201138A (en) | 2016-12-07 |
Family
ID=57463015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610512318.7A Pending CN106201138A (en) | 2016-06-30 | 2016-06-30 | Touch screen and display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107121805A (en) * | 2017-04-07 | 2017-09-01 | 昆山龙腾光电有限公司 | Touch-control display panel and its manufacture method |
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| CN104281320A (en) * | 2014-09-23 | 2015-01-14 | 合肥鑫晟光电科技有限公司 | Touch screen, touch screen manufacturing method and touch display device |
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| CN204613901U (en) * | 2014-05-13 | 2015-09-02 | 阿尔卑斯电气株式会社 | Input media |
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| CN103092411A (en) * | 2013-01-10 | 2013-05-08 | 北京京东方光电科技有限公司 | Touch screen, manufacturing method thereof and display device |
| CN204613901U (en) * | 2014-05-13 | 2015-09-02 | 阿尔卑斯电气株式会社 | Input media |
| CN104090676A (en) * | 2014-06-20 | 2014-10-08 | 京东方科技集团股份有限公司 | Touch screen and manufacturing method thereof as well as display device |
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| CN107121805A (en) * | 2017-04-07 | 2017-09-01 | 昆山龙腾光电有限公司 | Touch-control display panel and its manufacture method |
| CN107121805B (en) * | 2017-04-07 | 2021-12-21 | 昆山龙腾光电股份有限公司 | Touch display panel and manufacturing method thereof |
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Application publication date: 20161207 |