CN110018748A - A kind of touch screen and preparation method thereof, touch-control display panel - Google Patents
A kind of touch screen and preparation method thereof, touch-control display panel Download PDFInfo
- Publication number
- CN110018748A CN110018748A CN201810016159.0A CN201810016159A CN110018748A CN 110018748 A CN110018748 A CN 110018748A CN 201810016159 A CN201810016159 A CN 201810016159A CN 110018748 A CN110018748 A CN 110018748A
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- Prior art keywords
- electrode
- layer
- light shield
- shield layer
- area
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Classifications
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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
-
- 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
Abstract
The embodiment of the invention discloses a kind of touch screens, comprising: substrate, the substrate include first area and the second area positioned at the first area surrounding；Positioned at the touch control electrode layer of the substrate surface, the touch control electrode layer includes multiple touch control electrodes, the touch control electrode includes the second electrode positioned at the first electrode of the first area and positioned at the second area, wherein the first electrode and second electrode electrical connection；Deviate from the light shield layer of the substrate side positioned at the second electrode, the light shield layer has the through-hole through the light shield layer, second electrode described in the through-hole exposed portion；Electric connection structure in the through-hole；Deviate from the second electrode side layer by layer positioned at the shading, the electrode cabling being electrically connected by the electric connection structure with the second electrode, the bad orders such as turn blue, turn to be yellow occurred when solving the problems, such as the light shield layer as ink layer.
Description
Technical field
The present invention relates to technical field of touch control more particularly to a kind of touch screen and preparation method thereof and including the touch screen
Touch-control display panel.
Background technique
Touch screen structure in the prior art is mainly made of glass substrate, ink layer, ITO layer and metal carbonyl conducting layer,
When specific production, as shown in Figure 1, being currently first to make ink layer 02 on glass substrate 01, then make ITO layer 03 and metal is led
Line layer 04.But since ITO layer formation generallys use sputtering process, temperature is up to 320 DEG C or more, so that the oil formed
Layer of ink is subjected to multiple tracks high temperature process, causes the ink layer in existing touch screen often and will appear the bad orders such as turn blue, turn to be yellow
Problem.
Summary of the invention
In order to solve the above technical problems, the embodiment of the invention provides a kind of touch screen and preparation method thereof, not mention
On the basis of high cost, the bad orders such as turn blue, turn to be yellow occurred when the light shield layer is ink layer are solved the problems, such as.
To solve the above problems, the embodiment of the invention provides following technical solutions:
A kind of touch screen, comprising:
Substrate, the substrate include first area and the second area positioned at the first area surrounding；
Positioned at the touch control electrode layer of the substrate surface, the touch control electrode layer includes multiple touch control electrodes, the touch-control
Electrode includes the second electrode positioned at the first electrode of the first area and positioned at the second area, wherein described first
Electrode and second electrode electrical connection；
Deviate from the light shield layer of the substrate side positioned at the second electrode, the light shield layer, which has, runs through the light shield layer
Through-hole, second electrode described in the through-hole exposed portion；
Electric connection structure in the through-hole；
Deviate from the second electrode side layer by layer positioned at the shading, passes through the electric connection structure and the second electrode
The electrode cabling of electrical connection.
Optionally, the electric connection structure is light-shielding structure.
Optionally, the light shield layer is black ink layer, and the electric connection structure is electrically conductive ink.
Optionally, the solidification temperature of ink is 60 DEG C -150 DEG C in the ink layer and the electrically conductive ink, including endpoint
Value.
A kind of production method of touch screen, comprising:
Touch control electrode layer is formed in substrate surface, the touch control electrode layer includes multiple touch control electrodes, the touch control electrode
Including being located at the first electrode of the substrate first area and positioned at the second electrode of the substrate second area, wherein described
First electrode and second electrode electrical connection, the second area are located at the first area surrounding；
Light shield layer is formed away from the substrate side in the second electrode, the light shield layer, which has, runs through the light shield layer
Through-hole, the through-hole exposes at least partly described second electrode to the open air；
Electric connection structure is formed in the through-hole；
Deviate from the second electrode side layer by layer in the shading and form electrode cabling, the electrode cabling passes through the electricity
Connection structure is electrically connected with the second electrode.
Optionally, the light shield layer is ink layer, and the formation process of the light shield layer is silk-screen printing technique or yellow light work
Skill.
Optionally, the electric connection structure is electrically conductive ink, the solidification of ink in the ink layer and the electrically conductive ink
Temperature is 60 DEG C -150 DEG C, including endpoint value.
Optionally, the formation process of the electrode cabling is silk-screen printing technique.
A kind of touch-control display panel, including touch screen described in any of the above embodiments.
Compared with prior art, above-mentioned technical proposal has the advantage that
In technical solution provided by the embodiment of the present invention, the light shield layer is located at the touch control electrode layer away from the base
The side of plate, to can first make the touch control electrode layer in production, then make the light shield layer, avoid the touching
Influence of the high temperature to light shield layer when control electrode fabrication, improves the appearance of the light shield layer, solves the screening
The problem of bad orders that photosphere occurred when being ink layer turn blue, turn to be yellow etc..Moreover, because the formation of the light shield layer is located at institute
After stating touch control electrode layer formation, the light shield layer is impacted there is no the formation process temperature of the touch control electrode layer
Problem, therefore, in embodiments of the present invention, the light shield layer can use common light screening material, and non-high-temperature resistant lightproof material
Material, to reduce the cost of manufacture of the touch screen.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of touch screen in the prior art；
Fig. 2 is the structural schematic diagram of touch screen provided by one embodiment of the invention；
Fig. 3 is the production method flow chart of touch screen provided by one embodiment of the invention；
Fig. 4-Fig. 8 is the top view of part-structure in the manufacturing process of touch screen provided by one embodiment of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, but the present invention can be with
Implemented using other than the one described here other way, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by the specific embodiments disclosed below.
Just as described in the background section, the ink layer in existing touch screen, which often will appear, the appearances such as turns blue, turns to be yellow not
Good problem.It, can band to solve the problems, such as this although ink layer can be made using expensive ink material resistant to high temperature
Carry out dramatically increasing for touch screen cost.
In view of this, the embodiment of the invention provides a kind of touch screens, as shown in Fig. 2, the touch screen includes:
Substrate 10, the substrate 10 include first area and the second area positioned at the first area surrounding；
Touch control electrode layer 20 positioned at 10 surface of substrate, the touch control electrode layer 20 include multiple touch control electrodes, institute
Stating touch control electrode includes the second electrode positioned at the first electrode of the first area and positioned at the second area, wherein institute
State first electrode and second electrode electrical connection；
Deviate from the light shield layer 30 of 10 side of substrate positioned at the second electrode, the light shield layer 30 has through described
The through-hole of light shield layer 30, second electrode described in the through-hole exposed portion；
Electric connection structure 40 in the through-hole；
Deviate from the second electrode side positioned at 30 layers of the light shield layer, passes through the electric connection structure 40 and described second
The electrode cabling 50 of electrode electrical connection.
It should be noted that in embodiments of the present invention, the region that the light shield layer 30 surrounds is viewfinder area, the shading
Region where layer 30 is rim area, i.e., in embodiments of the present invention, the first area is the region of viewfinder area to be formed, institute
State the region that second area is rim area to be formed.
Optionally, in embodiments of the present invention, the first electrode and the second electrode are structure as a whole, by same
Step process is formed, to reduce the processing step of the touch screen production.
Specifically, on the basis of the above embodiments, in one embodiment of the invention, the substrate 10 can be glass
Glass substrate, or film substrate；The touch control electrode is indium-tin oxide electrode, but the present invention is to this and without limitation, is had
Body depends on the circumstances.
In touch screen provided by the embodiment of the present invention, the light shield layer 30 is located at the touch control electrode layer 20 away from described
The side of substrate 10, to can first make the touch control electrode layer 20 in production, then make the light shield layer 30, avoid
Influence of the high temperature to the light shield layer 30 when touch control electrode production, improves the appearance of the light shield layer 30,
Solve the problems, such as the bad orders such as turn blue, turn to be yellow occurred when the light shield layer 30 is ink layer.
On the basis of the above embodiments, in one embodiment of the invention, the electric connection structure 40 is shading knot
Structure avoids the shading region from generating light leakage phenomena to guarantee the shaded effect of the rim area.
Specifically, on the basis of the above embodiments, in one embodiment of the invention, the light shield layer 30 is black
Ink layer, the electric connection structure 40 are electrically conductive ink, optionally, the color of the electrically conductive ink and the black ink layer
Color is closer to, but the present invention is to this and without limitation, as long as guaranteeing the light shield layer 30 and the electric connection structure 40
Shaded effect.
It can be seen from the above, the light shield layer 30 is located at the touch control electrode in touch screen provided by the embodiment of the present invention
Layer 20 deviates from the side of the substrate 10, and the formation of the light shield layer 30 is located at after the touch control electrode layer 20 formation, does not deposit
The problem of the formation process temperature of the touch control electrode layer 20 impacts the light shield layer 30, therefore, of the invention real
It applies in example, the light shield layer 30 can use common light screening material, and non-high-temperature resistant light screening material, to reduce the touching
Touch the cost of manufacture of screen.
Specifically, on the basis of the above embodiments, in one embodiment of the invention, the ink layer and described lead
The solidification temperature of ink is 60 DEG C -150 DEG C in electric ink, including endpoint value, to reduce the ink layer and the electrically conductive ink
Cost of manufacture, to reduce the cost of the touch screen.
On the basis of the above embodiments, in one embodiment of the invention, the electrically conductive ink is to add in ink
Add conductive metal substance, but the present invention is to this and without limitation, specifically depends on the circumstances.
Correspondingly, the embodiment of the invention also provides a kind of production methods of touch screen, as shown in figure 3, the production method
Include:
S1: as shown in figure 4, forming touch control electrode layer 20 on 10 surface of substrate, the touch control electrode layer 20 includes multiple touchings
Electrode is controlled, the touch control electrode includes positioned at the first electrode of 10 first area of substrate and positioned at 10 second area of substrate
The second electrode in domain, wherein the first electrode and second electrode electrical connection, the second area are located at firstth area
Domain surrounding.It should be noted that Fig. 4 is a kind of signal of the touch control electrode layer 20, in other embodiments of the invention,
The touch control electrode layer 20 can also be the line construction of other conductive materials production, specifically depend on the circumstances.
Specifically, on the basis of the above embodiments, in one embodiment of the invention, the substrate 10 can be glass
Glass substrate, or film substrate；The touch control electrode is indium-tin oxide electrode, but the present invention is to this and without limitation, is had
Body depends on the circumstances.
Optionally, in embodiments of the present invention, the first electrode and the second electrode are structure as a whole, by same
Step process is formed, to reduce the processing step of the touch screen production.
On the basis of the above embodiments, in one embodiment of the invention, the formation work of the touch control electrode layer 20
Skill is yellow light technique, comprising: coating, exposure, development, etching and stripping etc., line map needed for realizing touch function with formation
Case, since it has been well known to those skilled in the art, this is no longer described in detail in the present invention.
S2: light shield layer 30 is formed away from 10 side of substrate in the second electrode, the light shield layer 30, which has, to be run through
The through-hole of the light shield layer 30, the through-hole expose at least partly described second electrode to the open air.
Specifically, forming light shield layer 30 away from 10 side of substrate in the second electrode, the light shield layer 30 has
Through the through-hole of the light shield layer 30, it includes: as shown in figure 5, described that the through-hole, which exposes at least partly described second electrode to the open air,
Second electrode forms light shield layer 30 away from 10 side of substrate；Run through the screening as shown in fig. 6, being formed in the light shield layer 30
The through-hole 41 of photosphere 30, the through-hole 41 expose at least partly described second electrode to the open air
It should be noted that in embodiments of the present invention, the region that the light shield layer 30 surrounds is viewfinder area, the shading
Region where layer 30 is rim area, i.e., in embodiments of the present invention, the first area is the region of viewfinder area to be formed, institute
State the region that second area is rim area to be formed.
On the basis of the above embodiments, in one embodiment of the invention, the light shield layer 30 is ink layer, specifically
, in one embodiment of the invention, the formation process of the light shield layer 30 is yellow light technique, in another reality of the invention
It applies in example, the formation process of the light shield layer 30 is silk-screen printing technique, to reduce the technology difficulty that the light shield layer 30 makes,
The capacity efficiency that the light shield layer 30 makes is improved, and reduces the requirement to process equipment performance.
In the production method of touch screen provided by the embodiment of the present invention, the formation of the light shield layer 30 is located at the touch-control
After electrode layer 20 is formed, the light shield layer 30 is impacted there is no the formation process temperature of the touch control electrode layer 20
Problem, therefore, in embodiments of the present invention, the light shield layer 30 can use common light screening material, and non-high-temperature resistant shading
Material, to reduce the cost of manufacture of the touch screen.
Specifically, on the basis of the above embodiments, in one embodiment of the invention, the ink layer and described lead
The solidification temperature of ink is 60 DEG C -150 DEG C in electric ink, including endpoint value, to reduce the ink layer and the electrically conductive ink
Cost, to reduce the cost of the touch screen.
S3: as shown in fig. 7, forming electric connection structure 40, in the through-hole to form multiple mutually independent conductiving points.
On the basis of the above embodiments, in one embodiment of the invention, the electric connection structure 40 is shading knot
Structure avoids the shading region from generating light leakage phenomena to guarantee the shaded effect of the rim area.
Specifically, on the basis of the above embodiments, in one embodiment of the invention, the electric connection structure 40 is
Electrically conductive ink, optionally, the color of the electrically conductive ink and the color of the black ink layer are closer to, but the present invention is to this
And without limitation, as long as guaranteeing the shaded effect of the light shield layer 30 and the electric connection structure 40.
On the basis of the above embodiments, in one embodiment of the invention, the electrically conductive ink is to add in ink
Add conductive metal substance, but the present invention is to this and without limitation, specifically depends on the circumstances.
It should be noted that in other embodiments of the invention, the electric connection structure 40 can also be opaque gold
Belong to, the present invention to this and without limitation, specifically depends on the circumstances, as long as guaranteeing the interception and electricity of the electric connection structure 40
Connection function.
S4: as shown in figure 8, electrode cabling 50 is formed away from the second electrode side at 30 layers of the light shield layer, it is described
Electrode cabling 50 is electrically connected by the electric connection structure 40 with the second electrode, to obtain the touch-control line for the touch screen completed
Road.It should be noted that in an alternate embodiment of the present invention where, the electrode cabling 50 and the touch control electrode one are a pair of
It answers.
Specifically, in one embodiment of the invention, the formation process of the electrode cabling 50 is silk-screen printing technique,
But the present invention is to this and without limitation, specifically depends on the circumstances.
It should be noted that in embodiments of the present invention, when the material phase of the electrode cabling 50 and the light-shielding structure
Meanwhile the electrode cabling 50 and the light-shielding structure can be formed in same step process, to further decrease the touch
The cost of manufacture of screen.
Based on any of the above embodiments, in one embodiment of the invention, this method further include:
After the completion of the touch control line of the touch screen, cut by CNC (Cutting Machine, flame cutting machine)
It cuts or radium-shine cutting processing procedure, manufactured size meets the touch screen of Customer Standard.
In addition, the embodiment of the invention also provides a kind of touch-controls including touch screen provided by any of the above-described embodiment to show
Show panel.Specifically, the touch-control display panel includes touch screen provided by display module and any of the above-described embodiment.
In conclusion touch screen and preparation method thereof provided by the embodiment of the present invention and the touch-control including the touch screen
Display panel, the light shield layer 30 are located at the side that the touch control electrode layer 20 deviates from the substrate 10, thus in production, it can
First to make the touch control electrode layer 20, then the light shield layer 30 is made, avoids the high temperature pair when touch control electrode production
The influence of the light shield layer 30 improves the appearance of the light shield layer 30, solve the light shield layer 30 be ink layer when
Occur turn blue, turn to be yellow etc. bad orders the problem of.
Moreover, because the formation of the light shield layer 30 is located at after the touch control electrode layer 20 formation, the touching is not present
The problem of formation process temperature of control electrode layer 20 impacts the light shield layer 30, therefore, in embodiments of the present invention, institute
Stating light shield layer 30 can be using common light screening material, and non-high-temperature resistant light screening material, to reduce the system of the touch screen
Make cost.
Various pieces are described in a progressive manner in this specification, and what each some importance illustrated is and other parts
Difference, same and similar part may refer to each other between various pieces.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to embodiment illustrated herein, and is to fit to consistent with the principles and novel features disclosed in this article
Widest scope.
Claims (9)
1. a kind of touch screen characterized by comprising
Substrate, the substrate include first area and the second area positioned at the first area surrounding；
Positioned at the touch control electrode layer of the substrate surface, the touch control electrode layer includes multiple touch control electrodes, the touch control electrode
Including being located at the first electrode of the first area and positioned at the second electrode of the second area, wherein the first electrode
It is electrically connected with the second electrode；
Deviate from the light shield layer of the substrate side positioned at the second electrode, the light shield layer has through the logical of the light shield layer
Hole, second electrode described in the through-hole exposed portion；
Electric connection structure in the through-hole；
Deviate from the second electrode side layer by layer positioned at the shading, is electrically connected by the electric connection structure and the second electrode
The electrode cabling connect.
2. touch screen according to claim 1, which is characterized in that the electric connection structure is light-shielding structure.
3. touch screen according to claim 2, which is characterized in that the light shield layer is black ink layer, the electrical connection
Structure is electrically conductive ink.
4. touch screen according to claim 3, which is characterized in that ink consolidates in the ink layer and the electrically conductive ink
Changing temperature is 60 DEG C -150 DEG C, including endpoint value.
5. a kind of production method of touch screen characterized by comprising
Touch control electrode layer is formed in substrate surface, the touch control electrode layer includes multiple touch control electrodes, and the touch control electrode includes
First electrode positioned at the substrate first area and the second electrode positioned at the substrate second area, wherein described first
Electrode and second electrode electrical connection, the second area are located at the first area surrounding；
Light shield layer is formed away from the substrate side in the second electrode, the light shield layer has through the logical of the light shield layer
Hole, the through-hole expose at least partly described second electrode to the open air；
Electric connection structure is formed in the through-hole；
Deviate from the second electrode side layer by layer in the shading and form electrode cabling, the electrode cabling passes through the electrical connection
Structure is electrically connected with the second electrode.
6. production method according to claim 5, which is characterized in that the light shield layer is ink layer, the light shield layer
Formation process is silk-screen printing technique or yellow light technique.
7. production method according to claim 6, which is characterized in that the electric connection structure is electrically conductive ink, the oil
The solidification temperature of ink is 60 DEG C -150 DEG C in layer of ink and the electrically conductive ink, including endpoint value.
8. production method according to claim 5, which is characterized in that the formation process of the electrode cabling is silk-screen printing
Technique.
9. a kind of touch-control display panel, which is characterized in that including the described in any item touch screens of claim 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810016159.0A CN110018748A (en) | 2018-01-08 | 2018-01-08 | A kind of touch screen and preparation method thereof, touch-control display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810016159.0A CN110018748A (en) | 2018-01-08 | 2018-01-08 | A kind of touch screen and preparation method thereof, touch-control display panel |
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| Publication Number | Publication Date |
|---|---|
| CN110018748A true CN110018748A (en) | 2019-07-16 |
Family
ID=67187521
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810016159.0A Pending CN110018748A (en) | 2018-01-08 | 2018-01-08 | A kind of touch screen and preparation method thereof, touch-control display panel |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203982333U (en) * | 2014-05-30 | 2014-12-03 | 长鸿光电(厦门)有限公司 | Contactor control device |
| US20150378474A1 (en) * | 2014-05-30 | 2015-12-31 | Boe Technology Group Co., Ltd. | In-cell touch panel and display device |
-
2018
- 2018-01-08 CN CN201810016159.0A patent/CN110018748A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203982333U (en) * | 2014-05-30 | 2014-12-03 | 长鸿光电(厦门)有限公司 | Contactor control device |
| US20150378474A1 (en) * | 2014-05-30 | 2015-12-31 | Boe Technology Group Co., Ltd. | In-cell touch panel and display device |
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Application publication date: 20190716 |