CN108776564A - A kind of preparation method of ultrathin flexible bilayer touch screen sensor - Google Patents
A kind of preparation method of ultrathin flexible bilayer touch screen sensor Download PDFInfo
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- CN108776564A CN108776564A CN201810892399.7A CN201810892399A CN108776564A CN 108776564 A CN108776564 A CN 108776564A CN 201810892399 A CN201810892399 A CN 201810892399A CN 108776564 A CN108776564 A CN 108776564A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 238000000016 photochemical curing Methods 0.000 claims abstract description 62
- 239000000758 substrate Substances 0.000 claims abstract description 42
- 238000000034 method Methods 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 14
- 238000005452 bending Methods 0.000 claims abstract description 8
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 27
- 229910052709 silver Inorganic materials 0.000 claims description 20
- 239000004332 silver Substances 0.000 claims description 20
- -1 acrylic ester Chemical class 0.000 claims description 9
- 239000006185 dispersion Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000002834 transmittance Methods 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- TXBCBTDQIULDIA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)CO TXBCBTDQIULDIA-UHFFFAOYSA-N 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 5
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical group C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical class N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000002041 carbon nanotube Substances 0.000 claims description 4
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 4
- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical class OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000007822 coupling agent Substances 0.000 claims description 3
- 239000002270 dispersing agent Substances 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000002070 nanowire Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 229910021529 ammonia Inorganic materials 0.000 claims description 2
- 150000001336 alkenes Chemical class 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 229910002804 graphite Inorganic materials 0.000 claims 1
- 239000010439 graphite Substances 0.000 claims 1
- 239000004568 cement Substances 0.000 abstract description 5
- 230000003287 optical effect Effects 0.000 abstract description 5
- 238000003475 lamination Methods 0.000 abstract description 3
- 229910021389 graphene Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000608 laser ablation Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000002305 electric material Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
Abstract
The invention discloses a kind of preparation methods of ultrathin flexible bilayer touch screen sensor, conductive touch-control picture and text on rigid substrate are integrated in the conductive touch-control picture and text on fexible film on photocuring glue-line by the present invention, photocuring glue-line forms one with flexible parent metal simultaneously, is prepared into ultrathin flexible bilayer touch screen sensor.The method of the invention can prepare ultra-thin double layer capacity structure touch screen sensor, determine sensor thickness size according to the selection of fexible film thickness and photocuring glue-line coating thickness, photocuring glue-line can be accomplished very thin；Invention the method realizes that bilayer conductive picture and text, photocuring glue-line and flexible parent metal are integrated simultaneously, and carrying out lamination without optical cement etc. bonds to form multilayered structure, realizes super soft, resistant to bending mechanical performance.
Description
Technical field
The invention belongs to touch screen technical field, more particularly to a kind of preparation side of ultrathin flexible bilayer touch screen sensor
Method.
Background technology
With the market expectations such as wearable device and Flexible Displays and demand increasing, flexible transparent conducting film and with it
Based on flexible touch technology the development of blowout will occur.But touch-control screen material used is mainly currently on the market
Transparent conductive film based on ITO, more crisp since it is ceramic material, shortcoming is flexible, so it is impossible to meet wearable devices etc.
Requirement to flexible touch-control.Main development is with carbon nanotube currently on the market, and graphene, nano silver wire, metal grill etc. is to lead
The transparent conductive film of electric material.Wherein there are high conductivity, good light transmittance and low manufacturing cost, city again with nano silver wire
Field foreground is the most good.Prevalence is mainly in a manner of nano silver wire electrically conducting transparent film preparation flexibility touch screen currently on the market
Silver wire formula is coated on flexible parent metal, such as PET, PEN, PC, prepares flexible transparent conducting film, then in these flexible membranes
Function element is prepared by laser ablation or yellow light processing procedure processing on material.
Common Double-layer flexible touch sensing structure is generally PFF structures, i.e., respectively in two flexible conductive films
Touch-control picture and text are formed, then two films are bonded with optical cement, are finally fitted on flexible cover plate.This mode need into
Row optics glue laminating, complicated, thickness is thicker, and cost is also relatively high, is in addition bonded using optical cement, machine
Tool performance is mismatched with flexible conductive film base material, causes the deformation such as folding line bad in the process of bending.
Invention content
In order to solve the above-mentioned technical problem the present invention, provides a kind of preparation side of ultrathin flexible bilayer touch screen sensor
Method, this method is simple, super soft, bending resistance at low cost, can realizing the double-deck touch screen sensor.
The invention is realized by the following technical scheme：
The preparation method of ultrathin flexible bilayer touch screen sensor, includes the following steps S1 and step S2：
Step S1 includes：
1), the rigid substrate of surfacing is handled, adjusts surface tension；
2) conductive nano dispersion liquid, is coated on rigid substrate, and the dispersant removed in conductive nano dispersion liquid is formed
Conductive nano network；
3) silver paste, is printed on the conductive nano network on rigid substrate, and removes the solvent in silver paste and sintering；
4), on rigid substrate conductive nano network and silver paste be etched, formed touch-control picture and text；
5) it, is coated with photocuring glue-line in the conductive nano face of rigid substrate, and removes solvent, is faced using fexible film one
Position is fitted on the photocuring glue-line on rigid substrate；
6) photocuring, conductive nano network, photocuring glue-line on rigid substrate, flexible thin, are carried out to photocuring glue-line
The receiving pole layer of the integrally formed conductive touch sensing of film；
7) the receiving pole layer of the conductive touch sensing of formation is taken off from rigid substrate, it is conductive to form ultrathin flexible
Touch sensor receiving pole layer；
Step S2 includes：
8-11), repeat the above steps 1-4)；12) it is coated with photocuring glue-line in the conductive nano face of rigid substrate, and removed
Solvent forms the emitter layer of conductive touch sensing, by the flexibility of the receiving pole layer of the conductive touch sensing in step S1
On the photocuring glue-line of film another side contraposition fitting in step s 2；
13) it, carries out light to photocuring glue-line to consolidate, conductive nano network, photocuring glue-line on rigid substrate are formed two-sided
Conductive touch sensing；
14) two-sided conductive touch sensing is taken off from rigid substrate, forms ultrathin flexible bilayer touch screen sensor.
Further, the photocuring glue-line is grouped as by each group of following mass percent：Photoinitiator 0.2%-
5%, the multi-functional acrylate containing triazine ring of modified urethane acrylate 25%-35% and surplus and two seasons penta 4
Alcohol polyfunctional acrylic ester；
Or, the photocuring glue-line is grouped as by each group of following mass percent：Photoinitiator 0.2%-5%, modification
Urethane acrylate 25%-35%, inorganic nano-filler 1%-10%, coupling agent 0.5%-2% and surplus contain triazine ring
Multi-functional acrylate and dipentaerythritol polyfunctional acrylic ester.
Further, the flexible parent metal of the fexible film is PET, PI, COP optical-grade transparent base of light transmittance >=90%
One kind in material；The one kind of the rigid substrate in glass, silicon chip, copper coin.
Further, the heat treatment temperature that the formation conductive nano network of rigid substrate described in 1) uses is 40-120 DEG C；
And/or 3) described in be sintered to IR stoves or convection oven processing, 80-150 DEG C for the treatment of temperature.
Further, conductive nano network sheet resistance described in 2) is 50-100 Ω；
Further, the nanometer conductive material containing mass percent 0.1%-1% in the dispersion liquid, conductive nano material
Expect one kind in carbon nanotube, graphene, nano silver wire, copper nano-wire.
Further, the nanometer conductive material and silver paste are embedded in photocuring glue-line, photocuring glue-line and flexible thin
The flexible parent metal of film combines, no transition glue-line.
Further, the thickness of the conductive nano network is 20-200nm, and the thickness of the fexible film is 5-50um,
The thickness of silver paste is 3-5um.
Further, the photocuring glue-line viscosity is 500-5000cps, and the thickness of coating photocuring glue-line is 2-
20um, the ultrathin flexible bilayer touch screen sensor thickness are 10-100um.
Further, the ultrathin flexible bilayer touch screen sensor visible light transmittance is 85%-95%, and thickness is
10-100um, crooked process radius 1-6mm, bending number are more than 100,000 times.
Advantageous effect of the present invention：The conductive touch-control picture and text that the present invention is formed silver paste on rigid substrate using photocuring glue-line
The conductive touch-control picture and text formed with fexible film silver paste are integrated on photocuring glue-line, while photocuring glue-line and flexible parent metal shape
Integrally, it is prepared into ultrathin flexible bilayer touch screen sensor.The method of the invention can prepare ultrathin flexible double layer capacity
Structure touch sensing determines sensor thickness size, light according to the selection of fexible film thickness and photocuring glue-line coating thickness
Solidification glue-line can be accomplished very thin；Invention the method realizes bilayer conductive picture and text, photocuring glue-line and flexible parent metal collection simultaneously
Integrally, it carries out lamination without optical cement etc. to bond to form multilayered structure, simplifies processing procedure, is thinned thickness, realize super soft, resistance to
The mechanical performance of bending.
Description of the drawings
Fig. 1 is a kind of preparation method flow chart of ultrathin flexible bilayer touch screen sensor of the present invention.
Specific implementation mode
As shown in Figure 1, the preparation method of ultrathin flexible bilayer touch screen sensor, includes the following steps S1 and step S2：
Step S1 includes：
1), the rigid substrate of surfacing is handled, adjusts surface tension；
2) conductive nano dispersion liquid, is coated on rigid substrate, and the dispersant removed in conductive nano dispersion liquid is formed
Conductive nano network；
3) silver paste, is printed on the conductive nano network on rigid substrate, and removes the solvent in silver paste and sintering；
4), on rigid substrate conductive nano network and silver paste be etched, formed touch-control picture and text；
5) it, is coated with photocuring glue-line in the conductive nano face of rigid substrate, and removes solvent, is faced using fexible film one
Position is fitted on the photocuring glue-line on rigid substrate；
6) photocuring, conductive nano network, photocuring glue-line on rigid substrate, flexible thin, are carried out to photocuring glue-line
The receiving pole layer of the integrally formed conductive touch sensing of film；
7) the receiving pole layer of the conductive touch sensing of formation is taken off from rigid substrate, it is conductive to form ultrathin flexible
Touch sensor receiving pole layer；
Step S2 includes：
8-11), repeat the above steps 1-4)；12) it is coated with photocuring glue-line in the conductive nano face of rigid substrate, and removed
Solvent forms the emitter layer of conductive touch sensing, by the flexibility of the receiving pole layer of the conductive touch sensing in step S1
On the photocuring glue-line of film another side contraposition fitting in step s 2；
13) it, carries out light to photocuring glue-line to consolidate, conductive nano network, photocuring glue-line on rigid substrate are formed two-sided
Conductive touch sensing；
14) two-sided conductive touch sensing is taken off from rigid substrate, forms ultrathin flexible bilayer touch screen sensor.
In the present embodiment, photocuring glue-line is grouped as by each group of following mass percent：Photoinitiator 0.2%-5%,
The multi-functional acrylate containing triazine ring of modified urethane acrylate 25%-35% and surplus and dipentaerythritol are more
Degree of functionality acrylate.
Or, photocuring glue-line is grouped as by each group of following mass percent：Photoinitiator 0.2%-5%, modified poly- ammonia
Ester acrylate 25%-35%, inorganic nano-filler 1%-10%, coupling agent 0.5%-2% and surplus containing the more of triazine ring
Functional group propenoic acid ester and dipentaerythritol polyfunctional acrylic ester.
In the present embodiment, the flexible parent metal of fexible film is PET, PI, COP optical-grade transparent base material of light transmittance >=90%
In one kind；The one kind of rigid substrate in glass, silicon chip, copper coin.
In the present embodiment, 1) rigid substrate described in forms heat treatment temperature that conductive nano network uses as 40-120
DEG C, preferably 120 DEG C.And/or 3) in be sintered to IR stoves or convection oven processing, 80-150 DEG C for the treatment of temperature, preferably
130℃.4) etching is that laser ablation is carried out on the rigid substrate of surfacing in.
In the present embodiment, 2) conductive nano network sheet resistance is 50-100 Ω, preferably 50 Ω in.
In the present embodiment, the nanometer conductive material containing mass percent 0.1%-1% in dispersion liquid, nanometer conductive material
One kind in carbon nanotube, graphene, nano silver wire, copper nano-wire.
In the present embodiment, nanometer conductive material and silver paste are embedded in photocuring glue-line, photocuring glue-line and fexible film
Flexible parent metal combine, no transition glue-line.
In the present embodiment, the thickness of conductive nano network is 20-200nm, and the thickness of conductive nano network is preferably
The thickness of 200nm, fexible film are 5-50um, and the thickness of fexible film is preferably 23um, and the thickness of silver paste is 3-5um, silver paste
Thickness be preferably 4um.
In the present embodiment, photocuring glue-line viscosity is 500-5000cps, and the thickness of coating photocuring glue-line is 2-20um,
The thickness of photocuring glue-line is preferably 10um, and ultrathin flexible bilayer touch screen sensor thickness is 10-100um.
In the present embodiment, ultrathin flexible bilayer touch screen sensor visible light transmittance is 85%-95%, thickness 10-
100um, preferably 50um, crooked process radius 1-6mm, preferably 2mm, bending number are more than 100,000 times.
Advantageous effect of the present invention：The conductive touch-control picture and text that the present invention is formed silver paste on rigid substrate using photocuring glue-line
It is integrated on photocuring glue-line on the touch-control picture and text formed with silver paste on fexible film, while photocuring glue-line and flexible parent metal shape
Integrally, it is prepared into ultrathin flexible touch screen.The method of the invention can prepare ultra-thin double layer capacity structure touch sensing,
Determine that sensor thickness size, photocuring glue-line can accomplish according to the selection of fexible film thickness and photocuring glue-line coating thickness
It is very thin；Invention the method realizes that bilayer conductive picture and text, photocuring glue-line and flexible parent metal are integrated simultaneously, is not necessarily to optical cement
It bonds to form multilayered structure Deng lamination is carried out, simplifies processing procedure, is thinned thickness, realize super soft, resistant to bending mechanical performance.
The technical solution provided above inventive embodiments is described in detail, specific case pair used herein
The principle and embodiment of the embodiment of the present invention are expounded, and the explanation of above example is only applicable to help to understand this hair
The principle of bright embodiment；Meanwhile for those of ordinary skill in the art, embodiment according to the present invention, in specific implementation mode
And there will be changes in application range, in conclusion the content of the present specification should not be construed as the limitation to invention.
Claims (10)
1. the preparation method of ultrathin flexible bilayer touch screen sensor, it is characterised in that：Include the following steps S1 and step S2：
Step S1 includes：
1), the rigid substrate of surfacing is handled, adjusts surface tension；
2) it, is coated with conductive nano dispersion liquid on rigid substrate, and removes the dispersant in conductive nano dispersion liquid and forms nanometer
Conductive network；
3) silver paste, is printed on the conductive nano network on rigid substrate, and removes the solvent in silver paste and sintering；
4), on rigid substrate conductive nano network and silver paste be etched, formed touch-control picture and text；
5) it, is coated with photocuring glue-line in the conductive nano face of rigid substrate, and removes solvent, is pasted using fexible film one side contraposition
It closes on the photocuring glue-line on rigid substrate；
6) photocuring, is carried out to photocuring glue-line, conductive nano network, photocuring glue-line, fexible film one on rigid substrate
Body forms the receiving pole layer of conductive touch sensing；
7) the receiving pole layer of the conductive touch sensing of formation is taken off from rigid substrate, forms ultrathin flexible Conductive touch
Sensor receiving pole layer；
Step S2 includes：
8-11), repeat the above steps 1-4)；12) it is coated with photocuring glue-line in the conductive nano face of rigid substrate, and removed molten
Agent forms the emitter layer of conductive touch sensing, by the flexible thin of the receiving pole layer of the conductive touch sensing in step S1
On the photocuring glue-line of film another side contraposition fitting in step s 2；
13) it, carries out light to photocuring glue-line to consolidate, conductive nano network, photocuring glue-line on rigid substrate form two-sided conduction
Touch sensing；
14) two-sided conductive touch sensing is taken off from rigid substrate, forms ultrathin flexible bilayer touch screen sensor.
2. a kind of preparation method of ultrathin flexible bilayer touch screen sensor according to claim 1, it is characterised in that：Institute
Photocuring glue-line is stated to be grouped as by each group of following mass percent：Photoinitiator 0.2%-5%, modified urethane acrylate
The multi-functional acrylate containing triazine ring of 25%-35% and surplus and dipentaerythritol polyfunctional acrylic ester；
Or, the photocuring glue-line is grouped as by each group of following mass percent：Photoinitiator 0.2%-5%, modified poly- ammonia
Ester acrylate 25%-35%, inorganic nano-filler 1%-10%, coupling agent 0.5%-2% and surplus containing the more of triazine ring
Functional group propenoic acid ester and dipentaerythritol polyfunctional acrylic ester.
3. a kind of preparation method of ultrathin flexible bilayer touch screen sensor according to claim 1, it is characterised in that：Institute
The flexible parent metal for stating fexible film is one kind in PET, PI, COP optical-grade transparent base material of light transmittance >=90%；The rigidity
The one kind of base material in glass, silicon chip, copper coin.
4. a kind of preparation method of ultrathin flexible bilayer touch screen sensor according to claim 1, it is characterised in that：1)
Described in rigid substrate form the heat treatment temperature that uses of conductive nano network as 40-120 DEG C；And/or 3) described in be sintered to
It is handled in IR stoves or convection oven, 80-150 DEG C for the treatment of temperature.
5. a kind of preparation method of ultrathin flexible bilayer touch screen sensor according to claim 1, it is characterised in that：2)
Described in conductive nano network sheet resistance be 50-100 Ω.
6. a kind of preparation method of ultrathin flexible bilayer touch screen sensor according to claim 1, it is characterised in that：Institute
The nanometer conductive material containing mass percent 0.1%-1% in dispersion liquid is stated, nanometer conductive material is selected from carbon nanotube, graphite
One kind in alkene, nano silver wire, copper nano-wire.
7. a kind of preparation method of ultrathin flexible bilayer touch screen sensor according to claim 6, it is characterised in that：Institute
It states nanometer conductive material and silver paste is embedded in photocuring glue-line, photocuring glue-line is combined with the flexible parent metal of fexible film, nothing
Transition glue-line.
8. a kind of preparation method of ultrathin flexible bilayer touch screen sensor according to claim 1, it is characterised in that：Institute
The thickness for stating conductive nano network is 20-200nm, and the thickness of the fexible film is 5-50um, and the thickness of silver paste is 3-
5um。
9. a kind of preparation method of ultrathin flexible bilayer touch screen sensor according to claim 1, it is characterised in that：Institute
It is 500-5000cps to state photocuring glue-line viscosity, and the thickness of coating photocuring glue-line is 2-20um, and the ultrathin flexible bilayer touches
Control screen sensor thickness is 10-100um.
10. a kind of preparation method of ultrathin flexible bilayer touch screen sensor according to claim 1, it is characterised in that：
The ultrathin flexible bilayer touch screen sensor visible light transmittance is 85%-95%, thickness 10-100um, crooked process radius 1-
6mm, bending number are more than 100,000 times.
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| CN201810892399.7A CN108776564B (en) | 2018-08-07 | 2018-08-07 | Preparation method of ultrathin flexible double-layer touch screen sensor |
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| CN201810892399.7A CN108776564B (en) | 2018-08-07 | 2018-08-07 | Preparation method of ultrathin flexible double-layer touch screen sensor |
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| CN110045876A (en) * | 2019-05-09 | 2019-07-23 | 广州聚达光电有限公司 | A kind of composite double layer ultrathin flexible touch screen sensor and preparation method thereof |
| CN111584129A (en) * | 2020-05-20 | 2020-08-25 | 苏州星烁纳米科技有限公司 | Double-sided transparent conductive film and preparation method thereof |
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| CN109901743A (en) * | 2019-01-31 | 2019-06-18 | 深圳市骏达光电股份有限公司 | A kind of flexible conducting material touch sensing and preparation method thereof |
| CN109901743B (en) * | 2019-01-31 | 2023-02-28 | 深圳市骏达光电股份有限公司 | Flexible conductive material touch sensor and preparation method thereof |
| CN110045877A (en) * | 2019-05-09 | 2019-07-23 | 广州聚达光电有限公司 | A kind of narrow frame touch sensing and preparation method thereof based on nano-silver thread |
| CN110045876A (en) * | 2019-05-09 | 2019-07-23 | 广州聚达光电有限公司 | A kind of composite double layer ultrathin flexible touch screen sensor and preparation method thereof |
| CN111584129A (en) * | 2020-05-20 | 2020-08-25 | 苏州星烁纳米科技有限公司 | Double-sided transparent conductive film and preparation method thereof |
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