CN207458013U - Touch-control film, touch control component, touch-screen and electronic equipment - Google Patents
Touch-control film, touch control component, touch-screen and electronic equipment Download PDFInfo
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- CN207458013U CN207458013U CN201721286755.8U CN201721286755U CN207458013U CN 207458013 U CN207458013 U CN 207458013U CN 201721286755 U CN201721286755 U CN 201721286755U CN 207458013 U CN207458013 U CN 207458013U
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- touch
- control
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- 239000000463 material Substances 0.000 claims abstract description 35
- 239000005357 flat glass Substances 0.000 claims abstract description 33
- 239000000758 substrate Substances 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 238000007639 printing Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 18
- 238000007650 screen-printing Methods 0.000 abstract description 8
- 239000010410 layer Substances 0.000 description 102
- 238000000034 method Methods 0.000 description 14
- 239000002356 single layer Substances 0.000 description 8
- 238000012545 processing Methods 0.000 description 7
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- -1 polyethylene terephthalate Polymers 0.000 description 2
- 239000004713 Cyclic olefin copolymer Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model is related to a kind of touch-control film, touch control component, touch-screen and electronic equipments.Touch-control film includes base material, touch control layer and light shield layer, touch control layer is arranged on base material, and including the touch-control lead for being located at the touch control line of visible area and being connected positioned at non-visible area and one end with touch control line, light shield layer is formed directly into touch control layer, touch-control lead is covered, and exposes visible area.That is, light shield layer can cover in touch-control lead and expose touch control line, so as to which touch-control film directly is divided into visible area and non-visible area domain, avoid the cover-plate glass ink for screen printing the step of.When making touch-screen, also just reduce the contraposition deviation between cover-plate glass and the touch control component for including the touch-control film, improve the production yield of touch-screen.
Description
Technical field
The utility model is related to electronic technology field, more particularly to a kind of touch-control film, touch control component, touch-screen and electricity
Sub- equipment.
Background technology
With the rapid development of electronic technology, the device with touch-screen is more and more favored by consumers.In general, it touches
Touching screen includes the cover-plate glass, touch control component and the display module that are stacked, and the back side silk-screen of cover-plate glass has ink, and ink is attached
It in the specified region of cover-plate glass, cover-plate glass is divided into visible area and non-visible area domain.Fitting cover-plate glass and
, it is necessary to the operable area of the visible area of cover-plate glass and touch control component be aligned, in sticking touch control during touch control component
Component with during display module, it is necessary to which the display area of the operable area of touch control component and display module is aligned.Therefore,
It when being bonded cover-plate glass, touch control component and display module, at least needs to be aligned twice, will so increase production and touch
Fitting deviation during screen reduces the yield of touch-screen.
Utility model content
Based on this, it is necessary to for conventional touch screen yield it is relatively low the problem of, provide a kind of higher touch-control film of yield,
Touch control component, touch-screen and electronic equipment.
A kind of touch-control film, including：
Base material；
Touch control layer is set on the substrate, including being located at the touch control line of visible area and positioned at non-visible area and one end
The touch-control lead being connected with the touch control line；And
Light shield layer is formed directly into the touch control layer, is covered the touch-control lead, and is exposed the visible area.
Above-mentioned touch-control film is provided with light shield layer, and light shield layer can cover in touch-control lead and expose touch control line, so as to
Touch-control film is directly divided into visible area and non-visible area domain, is avoided the cover-plate glass ink for screen printing the step of.It is making
When making touch-screen, also just reduce the contraposition deviation between cover-plate glass and the touch control component for including the touch-control film, improve
The production yield of touch-screen.Moreover, when producing touch-control film, can simultaneously be processed on the larger base material of an area multiple
Touch-control film, is finally cut again, compared with traditional mode for monolithic cover-plate glass ink for screen printing, is carried significantly
The high production efficiency of touch-screen.
In one of the embodiments, the base material includes the first surface and second surface that are oppositely arranged, the touch-control
Layer includes the first conductive layer arranged on the first surface and the second conductive layer arranged on the second surface, and described first leads
The first electrode lead that electric layer includes the first conductive pattern and one end is connected with first conductive pattern, second conductive layer
Including the second electrode lead that the second conductive pattern and one end are connected with second conductive pattern, first conductive pattern with
Second conductive pattern forms the touch control line, and the first electrode lead forms described touch with the second electrode lead
Lead is controlled, the light shield layer is formed on first conductive layer.
Above-mentioned touch-control film is two-sided single layer structure, and light shield layer is formed on the first conductive layer and can cover in the simultaneously
One contact conductor and second electrode lead so as to which touch-control film directly is divided into visible area and non-visible area domain, avoid
The cover-plate glass ink for screen printing the step of.When making touch-screen, also just reduce cover-plate glass and include the touch-control film
Touch control component between contraposition deviation, improve the production yield of touch-screen.
In one of the embodiments, the base material includes the first surface and second surface that are oppositely arranged, the touch-control
Circuit is arranged on the first surface, and the touch control line includes the first conductive pattern and the second conductive pattern of mutually insulated, institute
Stating touch-control lead includes the first electrode lead that be electrically connected with first conductive pattern and electric with second conductive pattern
Second conductive pattern of connection.
Above-mentioned touch-control film is single-surface single-layer structure, and light shield layer is formed in touch control layer and can cover in the first electricity simultaneously
Pole lead and second electrode lead so as to which touch-control film directly is divided into visible area and non-visible area domain, is avoided and covered
The step of glass sheet ink for screen printing.When making touch-screen, also just reduce cover-plate glass and include touching for the touch-control film
The contraposition deviation between component is controlled, improves the production yield of touch-screen.
In one of the embodiments, separation layer is further included, the base material includes the first surface and second being oppositely arranged
Surface, the touch control layer include what is be arranged on the first conductive layer of the first surface and be stacked with first conductive layer
Second conductive layer, the separation layer is between first conductive layer and second conductive layer, so that described first is conductive
Layer and the second conductive layer mutually insulated, first conductive layer include the first conductive pattern and one end and the described first conduction
The first electrode lead of pattern connection, second conductive layer include the second conductive pattern and one end and second conductive pattern
The second electrode lead of connection, first conductive pattern and second conductive pattern form the touch control line, and described the
One contact conductor forms the touch-control lead with the second electrode lead, and the light shield layer is formed in second conductive layer
On.
Above-mentioned touch-control film is single-surface double-layer structure, and light shield layer is formed on the second conductive layer and can cover in the simultaneously
One contact conductor and second electrode lead so as to which touch-control film directly is divided into visible area and non-visible area domain, avoid
The cover-plate glass ink for screen printing the step of.When making touch-screen, also just reduce cover-plate glass and include the touch-control film
Touch control component between contraposition deviation, improve the production yield of touch-screen.
In one of the embodiments, insulating layer is further included, the insulating layer is covered in the touch control line and the screening
On photosphere.Insulating layer can be effectively isolated steam and touch control line and touch-control lead, improve the reliability of touch-control film.
In one of the embodiments, the material of the light shield layer is black dry film or black photosensitive ink.Dry film and
Photosensitive-ink is etched after can directly attaching by yellow light technique.
A kind of touch control component, including：
Including above-mentioned any touch-control film；And
Flexible PCB is bound with the touch-control lead.
Since the yield and production efficiency of touch-control film are all higher, so that the touch control component comprising the touch-control film is good
Rate and production efficiency are also higher.
A kind of touch-screen, it is described to touch including cover-plate glass, the above-mentioned any touch control component and display screen being stacked
Component is controlled between the cover-plate glass and the display screen, and the light shield layer is located at the cover-plate glass and the base material
Between.
Since the yield and production efficiency of touch control component are all higher, so as to the yield of the touch-screen comprising the touch control component
It is also higher with production efficiency.
In one of the embodiments, adhesive linkage is further included, the adhesive linkage is located at the cover-plate glass and the shading
Between layer, to realize being bonded for cover-plate glass and touch control component.
A kind of electronic equipment, including above-mentioned any touch-screen.
Since the yield and production efficiency of touch-screen are all higher, so as to the electronic equipment comprising the touch-screen yield and
Production efficiency is also higher.
Description of the drawings
Fig. 1 is the top view of the touch-control film of first embodiment；
Fig. 2 is the sectional view of touch-control film shown in FIG. 1；
Fig. 3 is the preparation method flow chart of touch-control film shown in FIG. 1；
Fig. 4 be touch-control film shown in Fig. 3 preparation method in step S130 flow chart.
Fig. 5 is the sectional view of the touch-control film of second embodiment；
Fig. 6 is the sectional view of the touch-control film of 3rd embodiment.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment does further touch-control film, touch control component, touch-screen and electronic equipment
Explanation.
The touch-screen of one embodiment can apply in the electronic equipments such as mobile phone, tablet, vehicle-mounted, and touch-screen, which includes being stacked, to be set
Cover-plate glass, display screen and the touch control component put, touch control component between cover-plate glass and display screen, wherein, cover-plate glass
It shields, display screen is used to show the various information such as word, figure, animation, video.Touch control component include touch-control film and
Flexible PCB, flexible PCB are bound with touch-control film.
As shown in Figures 1 and 2, touch-control film 100 includes base material 110, touch control line 120, touch-control lead 130 and light shield layer
140.Wherein touch control line 120, touch-control lead 130 form touch control layer, and touch control line 120 is located at visible area, 130, touch-control lead
In non-visible area.Base material 110 can be made of transparent glass material, can also be by transparent polyethylene terephthalate
(Polyethylene terephthalate, PET) or cyclic olefin copolymer (Cyclic Olefin Polymer, COP)
Material is made.
Touch control line 120 is set on substrate 110, and touch control line 120 can be by tin indium oxide (Indium tin
Oxide, ITO) etc. transparent conductive material formed by the processing procedure of exposure-development-etching-stripping.
Touch-control lead 130 is set on substrate 110, and one end is connected with touch control line 120.Touch-control lead 130 can be by
The metal materials such as copper are formed by way of exposure-development-etching-stripping.
Light shield layer 140 is formed directly into touch control layer, covers touch-control lead 130, and is exposed visible area namely exposed touch-control
Circuit 120.In touch-screen, light shield layer 140 between cover-plate glass and base material 110, and by be arranged on light shield layer 140 with
Adhesive linkage between cover-plate glass realizes being bonded for touch control component and cover-plate glass, so as to which light shield layer 140 can cover in touch-control
Lead 130 and ensure the aesthetics of electronic equipment, and the normal touch function of touch-screen and display function will not be interfered.Light shield layer
140 can be formed by the relatively low material of light transmittance by way of exposure-development-etching-stripping.In the present embodiment, hide
Photosphere 140 is by pre-fabricated black dry film (black color photosensitive resin), after being affixed directly in touch control layer, using yellow light technique
It is made.In other embodiments, light shield layer 140 can also be photosensitive printing ink layer, and photosensitive-ink is realized by ultraviolet light to be cured
Afterwards, recycle the processing of yellow light processing procedure that light shield layer 140 is made.
Light shield layer 140 is provided on the touch-control film 100 of present embodiment, light shield layer 140 can cover in touch-control lead 130
And expose touch control line 120, so as to which touch-control film 100 directly is divided into visible area and non-visible area domain, avoids and covering
The step of glass sheet ink for screen printing.When making touch-screen, also just reduce cover-plate glass and include the touch-control film 100
Contraposition deviation between touch control component improves the production yield of touch-screen.Moreover, when producing touch-control film 100, it can be one
Multiple touch-control films 100 are processed simultaneously on the larger base material of a area, are finally cut again, monolithic is directed to traditional
The mode of cover-plate glass ink for screen printing is compared, and substantially increases the production efficiency of touch-screen.
Touch-control film 100 further includes insulating layer (not shown), and insulating layer is covered on touch control line 120 and light shield layer 140.
Insulating layer can be effectively isolated steam and touch control line 120 and touch-control lead 130, improve the reliability of touch-control film 100.
When preparing touch-control film 100, as shown in figure 3, comprising the following steps：
Step S110 provides base material 110, and the material of base material 110 can be glass, or the plastics such as PET or COP
Material.
Step S120, makes touch control layer on substrate 110, forms the touch control line 120 of visible area and touching for non-visible area
Lead 130 is controlled, one end of touch-control lead 130 is connected with touch control line 120.Specifically, ito film layer is plated on substrate 110, and
A metal layer is plated on ito film layer, the material of metal layer is usually copper.Pass through the processing procedures such as exposure-development-etching-stripping again
Touch-control lead 130 and touch control line 120 is successively made.
Step S130 forms light shield layer 140 in touch control layer, and light shield layer 140 covers touch-control lead 130, and exposes visual
Area.Specifically, as shown in figure 4, step S130 is further included：
Step S132, covers one layer of photosensitive-ink in touch control layer, and photosensitive-ink can pass through press mold or the side of printing
Formula is formed in the surface of touch control layer.
Step S134 processes photosensitive-ink using yellow light technique, removes the part of photosensitive-ink face visible area, photosensitive oil
The remaining part of ink is light shield layer 140.Yellow light technique mainly includes the processing procedures such as exposure-development-etching-stripping.
By touch-control film 100 made of the above method, reduce cover-plate glass and include touching for the touch-control film 100
The contraposition deviation between component is controlled, improves the production yield of touch-screen.Moreover, light shield layer 140 is processed by yellow light processing procedure,
It ensures machining accuracy, improves the production yield of touch-control film 100.
In other embodiments, the photosensitive-ink replaces with black dry film.
Please refer to Fig.2, for the touch-control film 100 of present embodiment, it be two-sided single layer structure (single layer of substrate material,
The two-sided formation touch control electrode of base material).Fig. 5 and Fig. 6 is refer to, in other embodiments, touch-control film can also be single side list
Layer structure or single-surface double-layer structure.
As shown in Fig. 2, touch-control film 100 is two-sided single layer structure.Specifically, base material 110 includes be oppositely arranged first
Surface and second surface, touch control layer include the first conductive layer arranged on first surface and the second conduction arranged on second surface
Layer, the first electrode lead 132 that the first conductive layer includes the first conductive pattern 122 and one end is connected with the first conductive pattern 122,
The second electrode lead 134 that second conductive layer includes the second conductive pattern 124 and one end is connected with the second conductive pattern 124.The
One conductive pattern 122 and the second conductive pattern 124 form the touch control line 120 positioned at visible area, the first conductive pattern 122 and the
Two conductive patterns 124 can be formed by conductive material transparent ITO etc. by the processing procedure of exposure-development-etching-stripping.The
One contact conductor 132 forms the touch-control lead 130 positioned at non-visible area with second electrode lead 134.Light shield layer 140 is formed in
On one conductive layer, first electrode lead 132 can be covered in, can also cover in second electrode lead 134.
As shown in figure 5, touch-control film 200 is single-surface single-layer structure.Specifically, touch-control film 200 includes base material 210, touches
Circuit 220, touch-control lead 230 and light shield layer 240 are controlled, touch control line 220 forms touch control layer, and touch-control line with touch-control lead 230
Road 220 is located at visible area, and touch-control lead 230 is located at non-visible area.Base material 210 includes the first surface and the second table that are oppositely arranged
Face, touch control line 220 are arranged on first surface, and touch control line 220 includes the first conductive pattern and the second conductive pattern of mutually insulated
Case.Touch-control lead 230 includes the first electrode lead that is electrically connected with the first conductive pattern and is electrically connected with the second conductive pattern
Second electrode lead.Light shield layer 240 is formed in touch control layer, covers first electrode lead and second electrode lead.
As shown in fig. 6, touch-control film 300 is single-surface double-layer structure.Specifically, touch-control film 300 includes base material 310, touches
Circuit 320, touch-control lead 330, light shield layer 340 and separation layer 350 are controlled, touch control line 320 forms touch-control with touch-control lead 330
Layer, touch control line 320 are located at visible area, and touch-control lead 330 is located at non-visible area.Base material 310 includes the first table being oppositely arranged
Face and second surface, touch control layer include be arranged on the first conductive layer of first surface and be stacked with the first conductive layer second
Conductive layer, separation layer 350 is between the first conductive layer and the second conductive layer, so that the first conductive layer and the second conductive layer are mutual
Insulation.The first electrode lead that first conductive layer includes the first conductive pattern 322 and one end is connected with the first conductive pattern 322
332, the second electrode lead that the second conductive layer includes the second conductive pattern 324 and one end is connected with the second conductive pattern 324
334.First conductive pattern 322 and the second conductive pattern 324 form the touch control line 320 positioned at visible area.First electrode lead
332 form the touch-control lead 330 positioned at non-visible area with second electrode lead 334.
Light shield layer 340 is formed in first surface and covers first electrode lead 332 and second electrode lead 334.
In one of the embodiments, a kind of preparation method of touch-control film, comprises the following steps：
The conductive film base material of single-layer double-side is provided；
Touch control layer is made on the substrate, forms the touch control line of visible area and the touch-control lead of non-visible area, it is described
One end of touch-control lead is connected with the touch control line；And
Light shield layer is attached in the touch control layer, the method etched by Huang works the light shield layer covers the touch-control
Lead, and expose the visible area.
The conductive film base material progress subsequent technique for directly providing such as single-layer double-side of Dong companies sale causes production to imitate
Rate higher.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the utility model, and description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of touch-control film, which is characterized in that including：
Base material；
Touch control layer is set on the substrate, including being located at the touch control line of visible area and positioned at non-visible area and one end and institute
State the touch-control lead of touch control line connection；And
Light shield layer is formed directly into the touch control layer, is covered the touch-control lead, and is exposed the visible area.
2. touch-control film according to claim 1, which is characterized in that the base material include the first surface that is oppositely arranged and
Second surface, the touch control layer include second arranged on the first conductive layer of the first surface and arranged on the second surface
Conductive layer, first conductive layer includes the first conductive pattern and one end is drawn with the first electrode that first conductive pattern is connected
Line, the second electrode lead that second conductive layer includes the second conductive pattern and one end is connected with second conductive pattern,
First conductive pattern forms the touch control line, the first electrode lead and described second with second conductive pattern
Contact conductor forms the touch-control lead, and the light shield layer is formed on first conductive layer.
3. touch-control film according to claim 1, which is characterized in that the base material include the first surface that is oppositely arranged and
Second surface, the touch control line are arranged on the first surface, and the touch control line includes the first conductive pattern of mutually insulated
And second conductive pattern, the touch-control lead include the first electrode lead being electrically connected with first conductive pattern and with institute
State the second conductive pattern of the second conductive pattern electrical connection.
4. touch-control film according to claim 1, which is characterized in that further include separation layer, the base material includes opposite set
The first surface and second surface put, the touch control layer are included arranged on the first conductive layer of the first surface and with described the
The second conductive layer that one conductive layer is stacked, the separation layer be located at first conductive layer and second conductive layer it
Between, so that first conductive layer and the second conductive layer mutually insulated, first conductive layer include the first conductive pattern
And the first electrode lead that one end is connected with first conductive pattern, second conductive layer include the second conductive pattern and one
The second electrode lead being connected with second conductive pattern is held, first conductive pattern is formed with second conductive pattern
The touch control line, the first electrode lead form the touch-control lead, the light shield layer shape with the second electrode lead
Into on second conductive layer.
5. touch-control film according to claim 1, which is characterized in that further include insulating layer, the insulating layer is covered in institute
It states on touch control line and the light shield layer.
6. touch-control film according to claim 1, which is characterized in that the light shield layer is photosensitive printing ink layer or black dry film
Layer.
7. a kind of touch control component, which is characterized in that including：
Such as claim 1-6 any one of them touch-control films；And
Flexible PCB is bound with the touch-control lead.
8. a kind of touch-screen, which is characterized in that including cover-plate glass, the touch control component as claimed in claim 7 being stacked
And display screen, the touch control component is between the cover-plate glass and the display screen, and the light shield layer is located at the lid
Between glass sheet and the base material.
9. touch-screen according to claim 8, which is characterized in that further include adhesive linkage, the adhesive linkage is located at the lid
Between glass sheet and the light shield layer.
10. a kind of electronic equipment, which is characterized in that including touch-screen as claimed in claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721286755.8U CN207458013U (en) | 2017-09-30 | 2017-09-30 | Touch-control film, touch control component, touch-screen and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721286755.8U CN207458013U (en) | 2017-09-30 | 2017-09-30 | Touch-control film, touch control component, touch-screen and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207458013U true CN207458013U (en) | 2018-06-05 |
Family
ID=62250190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721286755.8U Expired - Fee Related CN207458013U (en) | 2017-09-30 | 2017-09-30 | Touch-control film, touch control component, touch-screen and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207458013U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111221429A (en) * | 2018-11-26 | 2020-06-02 | 南昌欧菲显示科技有限公司 | Touch module, touch screen and preparation method thereof |
| US11269466B2 (en) | 2020-04-28 | 2022-03-08 | Beijing Zenithnano Technology Co., Ltd. | Touch panels |
| US11269474B2 (en) | 2020-04-28 | 2022-03-08 | Beijing Zenithnano Technology Co., Ltd | Touch devices |
-
2017
- 2017-09-30 CN CN201721286755.8U patent/CN207458013U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111221429A (en) * | 2018-11-26 | 2020-06-02 | 南昌欧菲显示科技有限公司 | Touch module, touch screen and preparation method thereof |
| US11269466B2 (en) | 2020-04-28 | 2022-03-08 | Beijing Zenithnano Technology Co., Ltd. | Touch panels |
| US11269474B2 (en) | 2020-04-28 | 2022-03-08 | Beijing Zenithnano Technology Co., Ltd | Touch devices |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |