CN106201145B - A kind of touch screen, its production method and display device - Google Patents
A kind of touch screen, its production method and display device Download PDFInfo
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- CN106201145B CN106201145B CN201610582784.2A CN201610582784A CN106201145B CN 106201145 B CN106201145 B CN 106201145B CN 201610582784 A CN201610582784 A CN 201610582784A CN 106201145 B CN106201145 B CN 106201145B
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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
- 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
- G06F3/0412—Digitisers structurally integrated in a display
-
- 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
-
- 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
- G06F2203/04112—Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material
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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 discloses a kind of touch screen, its production method and display devices, including：Underlay substrate, the first touch electrode, the first insulating layer and the second touch electrode being successively set on underlay substrate；Wherein, the first touch electrode and the second touch electrode intersect and are metal mesh trellis；Further include：The first signal lead being electrically connected with the first touch electrode, and the second signal cabling with the electric connection of the second touch electrode；It is both provided with coat of metal in the first signal lead and second signal cabling in the binding region of touch screen.Since coat of metal is arranged in the first signal lead and second signal cabling in the binding region of touch screen; it can play a protective role to the first signal lead and second signal cabling; it is integrally improved the resistance to corrosion of touch screen; and then the final yield of product can be improved by corrosion resistance reliability certification.
Description
Technical field
The present invention relates to display technology field, espespecially a kind of touch screen, its production method and display device.
Background technology
Currently, touch screen is as a kind of novel human-computer interaction input mode, it is defeated with traditional display, keyboard and mouse
The mode entered is compared, and the input of touch screen is simpler, direct, conveniently.Either various enquiry machines, mobile phone, tablet computer, also
Be the electronic whiteboard used of education commercial affairs, be owned by touch-control display technology, it in our daily life and work very
It is universal, and become an indispensable part.
For capacitive touch screen, tin indium oxide (Indium Tin Oxides, ITO) is often used as making electrode
Main conductive material.But the indium metal in ITO is one of the rare metal that amount of storage is minimum in nature, of high cost, industry
Sustainability leaves a question open；And due to the limitation of its sheet resistance, with the increase of touch screen size, driving will become difficult.And use gold
Belong to grid (Metal Mesh) and substitute traditional ITO conductive layer, can so that resistance is lower, conductive layer is thinner.
Traditional Metal Mesh schemes, as shown in Figure 1, being usually to form touch sensible electrode Rx using the first metal layer
01 forms touch driving electrodes Tx 03 and touches drive signal line 04 with touch sensible signal wire 02, second metal layer；Rx and Tx
Centre is provided with the first insulating layer 05, forms mutual capacitance；It should be noted that insulating without first in binding region A and B
Layer, i.e. the first insulating layer do not cover binding region A and B；Finally whole face is covered with second insulating layer (not shown)
Protection.Due to manufacturing process, when etching second metal layer, to prevent from covering without the first insulating layer in the first metal layer
Binding region A in touch sensible signal wire 02 be etched, can positioned at binding region A when designing second metal layer
In touch sensible signal wire 02 on prepare one layer of metal layer 06 again, therefore, have double layer of metal in binding region A.But in reality
In product certification, Metal Mesh are difficult to through corrosion resistance reliability certification, and bad position takes place mostly in binding region
B, metal erosion cause the directions Tx channel to be opened, and the directions Rx then can be by reliability certification, and reason is to insulate without first
There are double layer of metal, the metal layer 06 on upper layer to play the work of protection to touch sensible signal wire 02 in the binding region A of layer covering
With, and there was only one layer of metal in binding region B.
Therefore, the resistance to corrosion for how improving touch screen is those skilled in the art's technical problem urgently to be resolved hurrily.
Invention content
In view of this, a kind of touch screen of offer of the embodiment of the present invention, its production method and display device, can believe first
Number cabling and second signal cabling play a protective role, and are integrally improved the resistance to corrosion of touch screen.
Therefore, an embodiment of the present invention provides a kind of touch screens, including：Underlay substrate is successively set on the substrate base
The first touch electrode, the first insulating layer on plate and the second touch electrode；Wherein, first touch electrode and second touches electricity
Pole intersects and is metal mesh trellis；Further include：The first signal lead being electrically connected with first touch electrode, with
And the second signal cabling being electrically connected with second touch electrode；
It is both provided with metal in the first signal lead and second signal cabling in the binding region of the touch screen
Protective layer.
In one possible implementation, in above-mentioned touch screen provided in an embodiment of the present invention, first signal
Cabling and second signal cabling are arranged with the first touch electrode same layer.
In one possible implementation, in above-mentioned touch screen provided in an embodiment of the present invention, described second touches
Electrode is electrically connected by the via of first insulating layer with the second signal cabling.
In one possible implementation, in above-mentioned touch screen provided in an embodiment of the present invention, the metal coating
Layer and the second touch electrode same layer setting.
In one possible implementation, in above-mentioned touch screen provided in an embodiment of the present invention, further include：Setting exists
Black matrix on the edge of the underlay substrate, the binding region are located in the figure institute overlay area of the black matrix.
In one possible implementation, in above-mentioned touch screen provided in an embodiment of the present invention, further include：Setting exists
Second insulating layer on second touch electrode.
In one possible implementation, in above-mentioned touch screen provided in an embodiment of the present invention, described first touches
Electrode is to touch driving electrodes, and the first signal lead is to touch drive signal line, and second touch electrode is touch sensible electricity
Pole, second signal cabling are touch sensible signal wire；Or,
First touch electrode be touch sensible electrode, the first signal lead be touch sensible signal wire, described second
Touch electrode is to touch driving electrodes, and second signal cabling is to touch drive signal line.
The embodiment of the present invention additionally provides a kind of production method of above-mentioned touch screen provided in an embodiment of the present invention, including：
Formed on underlay substrate includes the first touch electrode, the first signal lead, second signal cabling and the first insulation
The figure of layer；
The figure of the second touch electrode is formed on the underlay substrate for being formed with the first layer pattern, and positioned at institute
State the figure that coat of metal is formed on the first signal lead and the second signal cabling in the binding region of touch screen；Wherein,
First touch electrode and the second touch electrode intersect and are metal mesh trellis.
In one possible implementation, it in the production method of above-mentioned touch screen provided in an embodiment of the present invention, is serving as a contrast
On substrate formed include the first touch electrode, the first signal lead and second signal cabling figure, specifically include：
One layer of the first metal layer is deposited on underlay substrate；
To the first metal layer carry out a patterning processes, formation include the first touch electrode, the first signal lead and
The figure of second signal cabling.
In one possible implementation, it in the production method of above-mentioned touch screen provided in an embodiment of the present invention, is formed
The figure of second touch electrode and coat of metal, specifically includes：
One layer of second metal layer is deposited on the underlay substrate for being formed with the first layer pattern；
Patterning processes are carried out to the second metal layer, formation includes the figure of the second touch electrode and coat of metal
Shape.
In one possible implementation, in the production method of above-mentioned touch screen provided in an embodiment of the present invention, in shape
At the first insulating layer figure while, further include：
Form the figure of the via of the first insulating layer；The via is used for the second touch electrode to be formed and described the
Binary signal cabling is electrically connected.
In one possible implementation, it in the production method of above-mentioned touch screen provided in an embodiment of the present invention, is formed
After the figure of second touch electrode and coat of metal, further include：
The figure of second insulating layer is formed on the underlay substrate for forming the second touch electrode.
The embodiment of the present invention additionally provides a kind of display device, including above-mentioned touch screen provided in an embodiment of the present invention.
The advantageous effect of the embodiment of the present invention includes：
A kind of touch screen, its production method and display device provided in an embodiment of the present invention, including：Underlay substrate, successively
The first touch electrode, the first insulating layer and the second touch electrode being arranged on underlay substrate；Wherein, the first touch electrode and
Two touch electrodes intersect and are metal mesh trellis；Further include：The first signal being electrically connected with the first touch electrode is walked
Line, and the second signal cabling with the electric connection of the second touch electrode；The first signal in the binding region of touch screen
It is both provided with coat of metal on cabling and second signal cabling.Since coat of metal is arranged in the binding region of touch screen
The first signal lead and second signal cabling on, can play a protective role to the first signal lead and second signal cabling,
It is integrally improved the resistance to corrosion of touch screen, and then the final yield of product can be improved by corrosion resistance reliability certification.
Description of the drawings
Fig. 1 is the vertical view of touch screen in the prior art；
Fig. 2 is the vertical view of touch screen provided in an embodiment of the present invention；
Fig. 3 is cross-sectional views of the Fig. 2 along the directions A-A '；
Fig. 4 is cross-sectional views of the Fig. 2 along the directions B-B '；
The schematic diagram of Fig. 5 used mask plates when being first insulating layer of making provided in an embodiment of the present invention；
Fig. 6 is one of the production method flow chart of touch screen provided in an embodiment of the present invention；
Fig. 7 is the two of the production method flow chart of touch screen provided in an embodiment of the present invention；
Fig. 8 a to Fig. 8 d are respectively knot of the production method of touch screen provided in an embodiment of the present invention after the execution of each step
Structure schematic diagram.
Specific implementation mode
Below in conjunction with the accompanying drawings, to the specific reality of touch screen provided in an embodiment of the present invention, its production method and display device
The mode of applying is described in detail.
Wherein, the thickness of each film layer and shape do not reflect the actual proportions of touch screen in attached drawing, and purpose is schematically illustrate
The content of present invention.
An embodiment of the present invention provides a kind of touch screens, as shown in Figures 2 and 3, including：Underlay substrate is successively set on
The first touch electrode 1, the first insulating layer 2 on underlay substrate and the second touch electrode 3；Wherein, the first touch electrode 1 and second
Touch electrode 2 intersects and is metal mesh trellis；Further include：The first signal being electrically connected with the first touch electrode 1 is walked
Line 4, and the second signal cabling 5 with the electric connection of the second touch electrode 3；
The first signal lead in the binding region (showing binding region C and binding region D in Fig. 2) of touch screen
4 and second signal cabling 5 on be both provided with coat of metal 6.
In above-mentioned touch screen provided in an embodiment of the present invention, since coat of metal is arranged in the binding region of touch screen
The first signal lead and second signal cabling on, can play a protective role to the first signal lead and second signal cabling,
The corrosion resistance for improving the first signal lead and second signal cabling, to be integrally improved the resistance to corrosion of touch screen,
And then the final yield of product can be improved by corrosion resistance reliability certification.
It should be noted that due in the binding region of touch screen the first signal lead 4 and second signal cabling 5 will
Be electrically connected with flexible PCB (FPC) to be formed or other chips, thus the first insulating layer 2 do not cover binding region C and
Binding region D.As shown in Fig. 2, every first signal lead 4 positioned at binding region C and every second positioned at binding region D
The top of signal lead 5 is both provided with corresponding coat of metal 6, as long as the coat of metal 6 can shelter from corresponding
One signal lead 4 or second signal cabling 5, can be depending on actual conditions, herein for the figure of coat of metal 6
It does not limit.
Further, in the specific implementation, in above-mentioned touch screen provided in an embodiment of the present invention, in order to simplify work
Skill reduces cost of manufacture, as shown in Fig. 2, the first signal lead 4 and second signal cabling 5 can be same with the first touch electrode 1
Layer setting, the i.e. material of the first signal lead 4 and second signal cabling 5 can be the material of the first touch electrode 1, in this way,
Additional preparation section need not be increased when preparing touch screen, it is only necessary to can form the first signal by a patterning processes and walk
The figure of line 4, second signal cabling 5 and the first touch electrode 1 can save manufacturing cost, promote added value of product.
Further, in the specific implementation, in above-mentioned touch screen provided in an embodiment of the present invention, such as Fig. 2 and Fig. 4 institutes
Show, when second signal cabling 5 and the setting of 1 same layer of the first touch electrode, and the second touch electrode 3 is located at the first touch electrode 1
Top, therefore the second touch electrode 3 is located at the top of second signal cabling 5, and the second touch electrode 3 to be made to be walked with second signal
Line 5 is electrically connected, then the second touch electrode 3 can be electrically connected by the via of the first insulating layer 2 with second signal cabling 5.
In addition, when the second touch electrode 3 needs to be electrically connected with second signal cabling 5 by the via of the first insulating layer 2
When, during making the first 2 figure of insulating layer, it can directly use mask plate as shown in Figure 5, the vacancy section of mask plate
Domain 10 corresponds to binding region C, and void region 20 corresponds to binding region D, and void region 30 corresponds to the mistake of the first insulating layer 2
Hole makes in this way without increasing mask plate quantity and process conditions in entire manufacture craft, and without increasing any technology difficulty, section
Manufacturing cost is saved.
Further, in the specific implementation, in above-mentioned touch screen provided in an embodiment of the present invention, in order to simplify work
Skill reduces cost of manufacture, as shown in Fig. 2, coat of metal 6 and the second touch electrode 3 can be arranged with same layer, i.e. coat of metal
6 material can be the material of the second touch electrode 3, in this way, additional preparation section need not be increased when preparing touch screen,
The figure for only needing can be formed coat of metal 6 and the second touch electrode 3 by a patterning processes, can save and be prepared into
This, promotes added value of product.
In the specific implementation, in above-mentioned touch screen provided in an embodiment of the present invention, in order to avoid light leakage, such as Fig. 2 and Fig. 3
Shown, which can also include：The black matrix 7 being arranged on the edge of underlay substrate, binding region C and D are located at black square
In the figure institute overlay area of battle array 7.
In the specific implementation, in above-mentioned touch screen provided in an embodiment of the present invention, in order to further protect the second touch
Electrode, the touch screen can also include：Second insulating layer on the second touch electrode is set.It should be noted that equally by
The first signal lead 4 and second signal cabling 5 in the binding region in touch screen by with flexible PCB to be formed
(FPC) or other chips are electrically connected, therefore second insulating layer does not cover binding region C and binding region D yet.
In the specific implementation, in above-mentioned touch screen provided in an embodiment of the present invention, the first touch electrode can be specially
Driving electrodes are touched, the first signal lead can be specially to touch drive signal line, then the second touch electrode can be specially and touch
Induction electrode is touched, second signal cabling can be specially touch sensible signal wire；Or, the first touch electrode can be specially to touch
Induction electrode, the first signal lead can be specially touch sensible signal wire, then the second touch electrode can be specially and touch to drive
Moving electrode, second signal cabling can be specially to touch drive signal line, not limit herein.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of above-mentioned touch screen provided in an embodiment of the present invention
Production method, since the principle that this method solves the problems, such as is similar to a kind of aforementioned touch screen, the implementation of this method can be with
Referring to the implementation of touch screen, overlaps will not be repeated.
In the specific implementation, the production method of touch screen provided in an embodiment of the present invention, as shown in fig. 6, specifically include with
Lower step：
S601, formation includes the first touch electrode, the first signal lead, second signal cabling and first on underlay substrate
The figure of insulating layer；
S602, the figure that the second touch electrode is formed on the underlay substrate for being formed with the first layer pattern, Yi Ji
The figure of coat of metal is formed in the first signal lead and second signal cabling in the binding region of touch screen；Its
In, the first touch electrode and the second touch electrode intersect and are metal mesh trellis.
In the production method of above-mentioned touch screen provided in an embodiment of the present invention, due in the binding region positioned at touch screen
The first signal lead and second signal cabling on form the figure of coat of metal, which can believe first
Number cabling and second signal cabling play a protective role, and improve the corrosion resistance of the first signal lead and second signal cabling,
To be integrally improved the resistance to corrosion of touch screen, and then it is final can to improve product by corrosion resistance reliability certification
Yield.
In the specific implementation, in the production method of above-mentioned touch screen provided in an embodiment of the present invention, step S601 is being served as a contrast
On substrate formed include the first touch electrode, the first signal lead and second signal cabling figure, specifically may be used as
Under type is realized：
First, one layer of the first metal layer is deposited on underlay substrate；
Then, to the first metal layer carry out a patterning processes, formation include the first touch electrode, the first signal lead and
The figure of second signal cabling.
In the specific implementation, in the production method of above-mentioned touch screen provided in an embodiment of the present invention, step S602 is formed
The figure of second touch electrode and coat of metal specifically may be used such as under type：
First, one layer of second metal layer is deposited on the underlay substrate for being formed with the first layer pattern；
Then, a patterning processes are carried out to second metal layer, formation includes the second touch electrode and coat of metal
Figure.
It should be noted that in the embodiment of the present invention so-called patterning processes include photoresist coating, mask, exposure,
The techniques such as development, etching, photoresist lift off.
In the specific implementation, in the production method of above-mentioned touch screen provided in an embodiment of the present invention, first is being formed absolutely
While the figure of edge layer, can also include：
Form the figure of the via of the first insulating layer；Via is for walking the second touch electrode to be formed with second signal
Line is electrically connected.
It should be noted that mask plate as shown in Figure 5 may be used in the step carries out a composition work to insulating materials
Skill forms the figure of the first insulating layer and via.
In the specific implementation, in the production method of above-mentioned touch screen provided in an embodiment of the present invention, in order to protect second
Touch electrode further includes after the figure for forming the second touch electrode and coat of metal：
The figure of second insulating layer is formed on the underlay substrate for forming the second touch electrode.
The production method that touch screen provided in an embodiment of the present invention is described in detail with a specific example below is such as schemed
Shown in 7, makes touch screen and be as follows：
S701, the figure that black matrix is formed on underlay substrate；
In the specific implementation, as shown in Figure 8 a, the figure of black matrix 100 is formed on underlay substrate；Binding to be formed
Region C and D are located in the figure institute overlay area of black matrix 100；
S702, on the underlay substrate for being formed with black matrix figure, include the first touch by the formation of patterning processes
The figure of electrode, the first signal lead and second signal cabling；
In the specific implementation, as shown in Figure 8 b, one layer first is deposited on the underlay substrate for being formed with 100 figure of black matrix
Metal layer carries out a patterning processes to the first metal layer, and formation includes the first touch electrode 200,300 and of the first signal lead
The figure of second signal cabling 400；Wherein, the first touch electrode 200 is metal mesh trellis, directly with the first signal lead 300
It is electrically connected；
S703, on the underlay substrate for being formed with the first touch electrode, the first signal lead and second signal cabling figure,
The figure of the first insulating layer and via is formed by a patterning processes；
In the specific implementation, as shown in Figure 8 c, the first touch electrode 200, the first signal lead 300 and second are being formed with
On the underlay substrate of 400 figure of signal lead deposit one layer of insulating materials, using mask plate as shown in Figure 5 to insulating materials into
Patterning processes of row form the figure of the first insulating layer 500 and via；The via is used for the second touch electrode to be formed
It is electrically connected with second signal cabling 400；
S704, on the underlay substrate for being formed with the first layer pattern, include second by the formation of patterning processes
The figure of touch electrode and coat of metal；Wherein, the first signal that coat of metal is located in the binding region of touch screen is walked
On line and second signal cabling；
In the specific implementation, as shown in figure 8d, one layer is deposited on the underlay substrate for being formed with 500 figure of the first insulating layer
Second metal layer carries out a patterning processes to second metal layer, and formation includes the second touch electrode 600 and coat of metal
700 figure；Wherein, the second touch electrode 600 is metal mesh trellis, is electrically connected by via with second signal cabling 400；
Coat of metal 700 is located at the first signal lead 300 in the binding region C of touch screen and the binding region D positioned at touch screen
In second signal cabling 400 on；
S705, the figure that second insulating layer is formed on the underlay substrate for forming the second touch electrode.
So far, the above-mentioned steps S701 to S705 provided by specific example has been produced on provided in an embodiment of the present invention
State touch screen.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of display device, including the embodiment of the present invention carries
The above-mentioned touch screen supplied, the display device can be：Mobile phone, tablet computer, television set, display, laptop, digital phase
Any product or component with display function such as frame, navigator.For other essential composition portions of the display device
It is it will be apparent to an ordinarily skilled person in the art that having to divide, and this will not be repeated here, also should not be used as the limit to the present invention
System.The implementation of the display device may refer to the embodiment of above-mentioned touch screen, and overlaps will not be repeated.
A kind of touch screen, its production method and display device provided in an embodiment of the present invention, including：Underlay substrate, successively
The first touch electrode, the first insulating layer and the second touch electrode being arranged on underlay substrate；Wherein, the first touch electrode and
Two touch electrodes intersect and are metal mesh trellis；Further include：The first signal being electrically connected with the first touch electrode is walked
Line, and the second signal cabling with the electric connection of the second touch electrode；The first signal in the binding region of touch screen
It is both provided with coat of metal on cabling and second signal cabling.Since coat of metal is arranged in the binding region of touch screen
The first signal lead and second signal cabling on, can play a protective role to the first signal lead and second signal cabling,
It is integrally improved the resistance to corrosion of touch screen, and then the final yield of product can be improved by corrosion resistance reliability certification.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (12)
1. a kind of touch screen, including：Underlay substrate is successively set on the first touch electrode on the underlay substrate, first absolutely
Edge layer and the second touch electrode；Wherein, first touch electrode and the second touch electrode intersect and are metal grill
Shape；Further include：The first signal lead being electrically connected with first touch electrode, and it is electrical with second touch electrode
The second signal cabling of connection；It is characterized in that,
It is both provided with metal coating in the first signal lead and second signal cabling in the binding region of the touch screen
Layer；
First signal lead and second signal cabling are arranged with the first touch electrode same layer.
2. touch screen as described in claim 1, which is characterized in that second touch electrode passes through first insulating layer
Via is electrically connected with the second signal cabling.
3. touch screen as described in claim 1, which is characterized in that the coat of metal and the second touch electrode same layer
Setting.
4. touch screen as described in claim 1, which is characterized in that further include：It is arranged on the edge of the underlay substrate
Black matrix, the binding region are located in the figure institute overlay area of the black matrix.
5. touch screen as described in claim 1, which is characterized in that further include：Be arranged on second touch electrode
Two insulating layers.
6. touch screen as described in any one in claim 1-5, which is characterized in that first touch electrode is to touch driving electricity
Pole, the first signal lead are to touch drive signal line, and second touch electrode is touch sensible electrode, and second signal cabling is
Touch sensible signal wire；Or,
First touch electrode is touch sensible electrode, and the first signal lead is touch sensible signal wire, and described second touches
Electrode is to touch driving electrodes, and second signal cabling is to touch drive signal line.
7. a kind of production method of the touch screen as described in claim any one of 1-6, which is characterized in that including：
It includes the first touch electrode, the first signal lead, second signal cabling and the first insulating layer to be formed on underlay substrate
Figure；
The figure of the second touch electrode is formed on the underlay substrate for being formed with the first layer pattern, and is touched positioned at described
Touch the figure that coat of metal is formed on the first signal lead and the second signal cabling in the binding region of screen；Wherein, described
First touch electrode and the second touch electrode intersect and are metal mesh trellis.
8. production method as claimed in claim 7, which is characterized in that on underlay substrate formed include the first touch electrode,
The figure of first signal lead and second signal cabling, specifically includes：
One layer of the first metal layer is deposited on underlay substrate；
Patterning processes are carried out to the first metal layer, formation includes the first touch electrode, the first signal lead and second
The figure of signal lead.
9. production method as claimed in claim 7, which is characterized in that form the figure of the second touch electrode and coat of metal
Shape specifically includes：
One layer of second metal layer is deposited on the underlay substrate for being formed with the first layer pattern；
Patterning processes are carried out to the second metal layer, formation includes the figure of the second touch electrode and coat of metal.
10. production method as claimed in claim 7, which is characterized in that while forming the figure of the first insulating layer, also wrap
It includes：
Form the figure of the via of the first insulating layer；The via is used to believe the second touch electrode to be formed and described second
Number cabling is electrically connected.
11. production method as claimed in claim 7, which is characterized in that form the figure of the second touch electrode and coat of metal
After shape, further include：
The figure of second insulating layer is formed on the underlay substrate for forming the second touch electrode.
12. a kind of display device, which is characterized in that including touch screen as claimed in any one of claims 1 to 6.
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