CN106201088A - A kind of flexible base board and the manufacture method of touch screen - Google Patents
A kind of flexible base board and the manufacture method of touch screen Download PDFInfo
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- CN106201088A CN106201088A CN201610550414.0A CN201610550414A CN106201088A CN 106201088 A CN106201088 A CN 106201088A CN 201610550414 A CN201610550414 A CN 201610550414A CN 106201088 A CN106201088 A CN 106201088A
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- manufacture method
- conductive film
- base board
- flexible base
- silver
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- 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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
-
- 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
- G06F2203/04102—Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04112—Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material
Abstract
The invention discloses the manufacture method of a kind of flexible base board, one layer of nano-silver conductive material of coating the most on the rigid substrate, silk-screen silver is starched, by laser etch process, nanometer silver transparent conductive film and silver slurry are realized the making of pattern conductive film and cabling, it is coated a floor height molecular material, after solidification, macromolecule membrane is peeled off glass substrate, then the patterning nano-silver conductive film made is completely transferred on macromolecule membrane, obtains flexible base board.The invention also discloses the manufacture method of a kind of touch screen.The present invention uses the technology that laser etch process and reversion move, solve the problem directly using laser-induced thermal etching fabricating patterned nano-silver conductive film that macromolecule membrane easily causes fracture damage on slimming macromolecule membrane, fill up the technological gap of nano-silver conductive film laser-induced thermal etching on slimming macromolecule membrane, realize the making of the nanometer silver flexible base board of high adhesion, slimming, resistance to bending simultaneously.
Description
Technical field
The present invention relates to touch screen technology field, particularly relate to the manufacturer of a kind of flexible base board and touch screen
Method.
Background technology
Touch screen is a kind of input equipment significantly improving man machine operation interface, have directly perceived, simply, advantage efficiently.
Touch screen has been obtained for being widely applied in many electronic products, such as mobile phone, PDA, multimedia, public information inquiry system
System etc..As a example by GFF structure condenser type touch screen, its basic structure is emission layer, OCA, receiving layer, OCA and cover-plate glass；Its
Middle emission layer and receiving layer are the nesa coating of patterning.Traditional CTP(OGS/TOL and GFF etc.) structure touch screen
Nesa coating is all to use ITO plated film, is made by modes such as laser ablation, silk screen printing, gold-tinted etchings.
But, universal along with curved surface and Flexible Displays product, ITO, due to the fragility of self, limits touch screen to soft
The direction of propertyization development, uses different transparent electrode materials to become a popular problem to replace ITO.Wherein nano silver wire
In addition to there is the electric conductivity that silver is excellent, due to the dimensional effect of Nano grade, there is the light transmission of excellence, flexible resistance, become
For curved surface and the leading role of flexible screen.But, use nanometer silver as conducting membrane material at present, mainly made by gold-tinted etching
Become, but gold-tinted etching have to use etching solution, and different conducting membrane material has higher requirement to etching solution, loses simultaneously
Carve more difficult recovery after liquid uses and easily cause the wasting of resources and environmental pollution；And laser-induced thermal etching is relative to gold-tinted etching and screen printing
For brush, the most simple and environmentally-friendly, laser-induced thermal etching is mainly used in having on certain thickness substrate (about 50 μm and more than), right
Polymer film substrate in slimming makes nesa coating, especially laser etch process is proposed requirements at the higher level；At present
Not yet occur that the polymer film substrate being specifically designed for slimming produces the electrically conducting transparent of patterning by laser etch process
The method of film.
Summary of the invention
The technical problem to be solved there is provided the manufacture method of the flexible base board of a kind of touch screen, utilizes
Anti-transfer techniques, shifts on macromolecule membrane completely by the nanometer silver pattern conductive film that laser etch process makes, it is to avoid
Direct Laser etched pattern on macromolecule membrane base material, causes and damages substrate crack, affects the quality of touch screen and good
Rate；Flexible base board has high adhesion, slimming, the characteristic of resistance to bending.
Present invention also offers the manufacture method of a kind of touch screen, use the technology that laser etch process and reversion move, real
Existing high adhesion, slimming, the double-layer nanometer silver touch screen of resistance to bending make, for follow-up abnormity, curved surface or flexible product
Development provides bigger probability.
The technical problem to be solved is achieved by the following technical programs:
The manufacture method of a kind of flexible base board, comprises the following steps:
Step 1, solidifying to form a conducting film on the rigid substrate, the formation material of described conducting film is nano-silver thread and/or receives
Rice Argent grain；
Step 2, described conducting film frame print conductive silver paste；
Step 3, conducting film and conductive silver paste are carried out pattern conductive film and the cabling that laser-induced thermal etching obtains presetting；
Step 4, it is positioned at above described first pattern conductive film on described rigid substrates, forms a macromolecule membrane；
Step 5, peel off described rigid substrates, obtain flexible base board.
Further, described high molecular film material is polyimides.
Further, the thickness of described macromolecule membrane is 2 ~ 10 μm.
Further, described conducting film conductor planes resistance is 50 ~ 80 Ω/, transmitance > 90%.
Further, the solidification temperature of described conducting film is 120 ~ 160 DEG C, and hardening time is 10 ~ 60min.
A kind of manufacture method of touch screen, including following operation:
A, make upper sensor by above-mentioned manufacture method, there is the first pattern conductive film；
B, make lower sensor by above-mentioned manufacture method, there is the second pattern conductive film；
C, fit relative with lower sensor for described upper sensor, bind wiring board, obtain touch screen.
Further, described upper sensor is fitted by adhesive-layer is relative with lower sensor, and described adhesive-layer is that OCA is solid
State transparent optical cement, LOCA liquid clear optical cement or OCR optical clear resin.
Further, described adhesive-layer thickness is 20 ~ 75 μm.
Further, the pattern of described first pattern conductive film and the second pattern conductive film is identical or different.
There is advantages that
The manufacture method of flexible base board of the present invention is coated with one layer of nano-silver conductive material the most on the rigid substrate, and silk-screen silver is starched,
By laser etch process, nanometer silver transparent conductive film and silver slurry are realized the making of pattern conductive film and cabling, at this base
Be coated with a floor height molecular material on plinth, after solidification, macromolecule membrane peeled off glass substrate, then the patterning nanometer silver made
Conducting film is thus completely transferred on macromolecule membrane, obtains nanometer silver flexible base board；Laser etch process and reversion is used to move
Technology, solve and directly use laser-induced thermal etching fabricating patterned nano-silver conductive film the most right on slimming macromolecule membrane
Macromolecule membrane causes the problem of fracture damage, has filled up the skill of nano-silver conductive film laser-induced thermal etching on slimming macromolecule membrane
Art is blank, realizes the making of the nanometer silver flexible base board of high adhesion, slimming, resistance to bending, for follow-up abnormity, curved surface simultaneously
Or the development of flexible product provides bigger probability.
Figure of description
Fig. 1 is the structural representation of inventive touch screen.
Detailed description of the invention
Below in conjunction with embodiment, the present invention will be described in detail, and embodiment is only the preferred embodiment of the present invention,
It it not limitation of the invention.
In prior art, laser-induced thermal etching is for gold-tinted etching and silk screen printing, the most simple and environmentally-friendly, and laser
Etching is mainly used in having on certain thickness substrate, and the polymer film substrate for slimming makes nesa coating,
Especially laser etch process is proposed requirements at the higher level；Not yet occur that the polymer film substrate being specifically designed for slimming leads at present
Cross the method that laser etch process produces the nesa coating of patterning.
The manufacture method of flexible base board of the present invention is coated with one layer of nano-silver conductive material, silk-screen silver the most on the rigid substrate
Slurry, realizes the making of pattern conductive film and cabling by laser etch process to nanometer silver transparent conductive film and silver slurry,
Be coated with a floor height molecular material on the basis of this, after solidification, macromolecule membrane peeled off glass substrate, then the patterning made is received
Rice silver conductive film is thus completely transferred on macromolecule membrane, obtains nanometer silver flexible base board.Use laser etch process with anti-
The technology of transfer, it is achieved high adhesion, slimming, the making of nanometer silver flexible base board of resistance to bending, for follow-up abnormity, curved surface
Or the development of flexible product provides bigger probability.
Embodiment 1
Present embodiments providing the manufacture method of a kind of flexible base board, it comprises the following steps:
Step 1, solidifying to form a conducting film on the rigid substrate, the formation material of described conducting film is nano-silver thread and/or receives
Rice Argent grain；
After solidification, described conducting film conductor planes resistance is preferably 50 ~ 80 Ω/, transmitance > 90%.The solidification of described conducting film
Temperature is 120 ~ 160 DEG C, and hardening time is 10 ~ 60min, it is preferable that solidification temperature is 150 DEG C, and hardening time is 30min.
Described rigid substrates is tempering or non-tempering substrate, and the present invention is preferably glass substrate.
Step 2, described conducting film frame print conductive silver paste；
Step 3, conducting film and conductive silver paste are carried out pattern conductive film and the cabling that laser-induced thermal etching obtains presetting simultaneously；
In etching process, different laser instrument, etching precision and parameter are different, can regulate according to practical situation.Preferably,
In laser etching method of the present invention, the etching precision of laser instrument is ± 5 μm, and working region is 500*500mm, operating rate
Being 2500 ~ 3000 mm/s, the alternating voltage of work is 220V ± 10%, and operating frequency is 50HZ.
Step 4, it is positioned at above described first pattern conductive film on described rigid substrates, forms a macromolecule membrane；
The macromolecular material used is finer and close, insulation, the high temperature resistant and macromolecular material of acid and alkali-resistance, and the present invention is preferred
For polyimides, it is thinner than glass or PET；The macromolecule membrane thickness solidifying to form is preferably 2 ~ 10 μm.
Step 5, peel off described rigid substrates, obtain flexible base board.
Stripping process, can manually or machine particularly as follows: attach one layer of UV glue (thickness is about 100um) on macromolecule membrane
Device is peeled off from described rigid substrates has the first pattern conductive film and the macromolecule membrane of cabling, afterwards its conducting surface and viscose glue
After laminating closes, exposure, the most peelable UV glue, obtain nanometer silver flexible base board.
Prepare it is noted that the step that printing conductive silver paste etching forms cabling also can be realized by other etching modes；
Printing conductive silver paste also can carry out printing etching after obtaining flexible base board again and form cabling.
Flexible base board is carried out the test in terms of adhesion, resistance to bending.Adhesion aspect, existing flexible base board is mainly received
The rice silver film, is i.e. coated with one layer of nano-silver conductive material in PET base material, but need to cover one layer of over coat again, with protection
Nano-silver layer does not comes off, because exposed nano-silver layer is easy to wiping；And the nano-silver conductive made by the mode of the present invention
Film, nanometer silver is directly to penetrate in macromolecule (PI) film substrate, it is not necessary to protective layer also can obtain adhering well to power, hundred lattice
Test adhesion reaches 5B grade.Resistance to bending aspect, contrasts the ITO film, and because of the fragility of ITO self, crooked process radius reaches 3mm
Time, once bending resistance produces significant change；And the flexible base board crooked process radius of the present invention reaches 3mm, survey after 100,000 bendings
Examination resistance is without significant change.
The present embodiment uses the technology that laser etch process and reversion move, it is achieved high adhesion, slimming, the receiving of resistance to bending
The making of rice silver flexible base board, develops the probability providing bigger for follow-up abnormity, curved surface or flexible product.
Embodiment 2
The invention provides the manufacture method of a kind of touch screen, it includes following operation:
A, make upper sensor by the manufacture method of embodiment 1, specifically include following steps:
Step A1, solidifying to form a conducting film on the rigid substrate, the formation material of described conducting film is nano-silver thread and/or receives
Rice Argent grain.
After solidification, described conducting film conductor planes resistance is preferably 50 ~ 80 Ω/, transmitance > 90%.Described conducting film
Solidification temperature is 120 ~ 160 DEG C, and hardening time is 10 ~ 60min, it is preferable that solidification temperature is 150 DEG C, and hardening time is
30min。
Described rigid substrates is tempering or non-tempering substrate, and the present invention is preferably glass substrate.
Step A2, described conducting film frame print conductive silver paste.
Step A3, simultaneously conducting film and conductive silver paste are carried out the first pattern conductive film that laser-induced thermal etching obtains presetting and
Cabling, this cabling electrically connects with described first pattern conductive film.
In etching process, different laser instrument, etching precision and parameter are different, can regulate according to practical situation.Excellent
Selection of land, in laser etching method of the present invention, the etching precision of laser instrument is ± 5 μm, and working region is 500*500mm, work
Being 2500 ~ 3000 mm/s as speed, the alternating voltage of work is 220V ± 10%, and operating frequency is 50HZ.
Step A4, it is positioned at above described first pattern conductive film on described rigid substrates, forms a macromolecule membrane.
The macromolecular material used is finer and close, insulation, high temperature resistant and the macromolecular material of acid and alkali-resistance, the present invention
Being preferably polyimides, it is thinner than glass or PET；The macromolecule membrane thickness solidifying to form is preferably 2 ~ 10 μm.
Step A5, peel off described rigid substrates, obtain sensor.
Stripping process, can manually or machine particularly as follows: attach one layer of UV glue (thickness is about 100um) on macromolecule membrane
Device is peeled off from described rigid substrates has the first pattern conductive film and the macromolecule membrane of cabling, afterwards its conducting surface and viscose glue
After laminating closes, exposure, the most peelable UV glue, obtain upper sensor.
B, make lower sensor by the manufacture method of embodiment 1, specifically include following steps:
Step B1, solidifying to form a conducting film on the rigid substrate, the formation material of described conducting film is nano-silver thread and/or receives
Rice Argent grain.
After solidification, described conducting film conductor planes resistance is preferably 50 ~ 80 Ω/, transmitance > 90%.Described conducting film
Solidification temperature is 120 ~ 160 DEG C, and hardening time is 10 ~ 60min, it is preferable that solidification temperature is 150 DEG C, and hardening time is
30min。
Described rigid substrates is tempering or non-tempering substrate, and the present invention is preferably glass substrate.
Step B2, described conducting film frame print conductive silver paste.
Step B3, conducting film and conductive silver paste are carried out the second pattern conductive film that laser-induced thermal etching obtains presetting and walks
Line, this cabling electrically connects with described second pattern conductive film.
In etching process, different laser instrument, etching precision and parameter are different, can regulate according to practical situation.Excellent
Selection of land, in laser etching method of the present invention, the etching precision of laser instrument is ± 5 μm, and working region is 500*500mm, work
Being 2500 ~ 3000 mm/s as speed, the alternating voltage of work is 220V ± 10%, and operating frequency is 50HZ.
Step B4, it is positioned at above described second pattern conductive film on described rigid substrates, forms a macromolecule membrane.
The macromolecular material used is finer and close, insulation, high temperature resistant and the macromolecular material of acid and alkali-resistance, the present invention
Being preferably polyimides, it is thinner than glass or PET；The macromolecule membrane thickness solidifying to form is preferably 2 ~ 10 μm.
Step B5, peel off described rigid substrates, obtain lower sensor.
Stripping process, can manually or machine particularly as follows: attach one layer of UV glue (thickness is about 100um) on macromolecule membrane
Device is peeled off from described rigid substrates has the second pattern conductive film and the macromolecule membrane of cabling, afterwards its conducting surface and viscose glue
After laminating closes, exposure, the most peelable UV glue, obtain lower sensor.
C, binding operation, comprise the following steps:
Step C1, the nonconductive surface of described upper sensor is pasted towards the conducting surface of described lower sensor relatively by adhesive-layer
Close, obtain thin film sensor；
Described adhesive-layer is OCA solid transparent optical cement, LOCA liquid clear optical cement or OCR optical clear resin.This
Bright preferably OCA solid transparent optical cement, thickness is preferably 20 ~ 75 μm.
Step C2, conducting resinl ACF is fitted in FPC flexible circuit board；
Step C3, finally wiring board is bound on thin film sensor, obtains touch screen.
It should be noted that the pattern of described first pattern conductive film and the second pattern conductive film can be identical or not
With.The pattern of described first pattern conductive film and the second pattern conductive film is not particularly limited, the most not by the present invention
Be the improvement of the present invention, fall within prior art, and those skilled in the art easily according to different touch screen structures for
Property design correspondence described first pattern conductive film and the pattern of the second pattern conductive film, e.g., described first pattern
Change the driving layer that conducting film can be mutual capacitance type touch screen；Described second pattern conductive film can be mutual capacitance type touch screen
Inductive layer；It is not described in detail in this.
Prepare it is noted that can fit with the cover sheet of pre-set dimension with shape before or after binding wiring board, shape
Become touch screen.This cover sheet can be safety glass or the plastic cover plate that surface configuration has BM film, but is not limited to this, is
Outermost protective layer in screen, when the surface of cover sheet (standard shape or abnormally-structured) in curved surface, due to thin film
Sensor is flexible, therefore, it is possible to well fit with the cover sheet that surface is curved surface, is so not protected cover plate
The restriction of geomery.
This method uses the technology that laser etch process and reversion move, and solves and directly adopts on slimming macromolecule membrane
The problem that macromolecule membrane easily causes fracture damage with laser-induced thermal etching fabricating patterned nano-silver conductive film, has filled up slim
Change the technological gap of nano-silver conductive film laser-induced thermal etching on macromolecule membrane, realize high adhesion, slimming, resistance to bending simultaneously
Double-layer nanometer silver touch screen makes, and follow-up abnormity, curved surface or flexible product is developed to the probability providing bigger.
Embodiment 3
As it is shown in figure 1, which show the structural representation of a kind of touch screen of the present invention, the manufacture by embodiment 2 of this touch screen
Method prepares.A kind of touch screen, the lower sensor including the laminating corresponding with described upper sensor of upper sensor is uploaded with described
Sensor and the wiring board of lower sensor conducting；Wherein, described upper sensor includes macromolecule membrane, is formed at through laser-induced thermal etching
First pattern conductive film of described macromolecule membrane and the cabling electrically connected with this first pattern conductive film；Described lower sensing
Device include macromolecule membrane, through laser-induced thermal etching be formed at described macromolecule membrane the second pattern conductive film and with this second
The cabling of pattern conductive film electrical connection.
Further, the formation material of described first pattern conductive film and the second pattern conductive film is nano-silver thread
And/or nano-Ag particles.The pattern of described first pattern conductive film and the second pattern conductive film may be the same or different.Solidification
After, described conducting film conductor planes resistance is preferably 50 ~ 80 Ω/, transmitance > 90%.The solidification temperature of described conducting film is
120 ~ 160 DEG C, hardening time is 10 ~ 60min, it is preferable that solidification temperature is 150 DEG C, and hardening time is 30min.
Further, described high molecular film material is preferably polyimides, and thickness range is 2 ~ 10 μm.
Further, described upper sensor is fitted by adhesive-layer is relative with lower sensor, and described adhesive-layer is that OCA is solid
State transparent optical cement, LOCA liquid clear optical cement or OCR optical clear resin；Thickness range is 20 ~ 75 μm.
In etching process, different laser instrument, etching precision and parameter are different, can regulate according to practical situation.Excellent
Selection of land, in laser etching method of the present invention, the etching precision of laser instrument is ± 5 μm, and working region is 500*500mm, work
Being 2500 ~ 3000 mm/s as speed, the alternating voltage of work is 220V ± 10%, and operating frequency is 50HZ.
Prepare it is noted that can fit with the cover sheet of pre-set dimension with shape before or after binding wiring board, shape
Become touch screen.This cover sheet can be safety glass or the plastic cover plate that surface configuration has BM film, but is not limited to this, is
Outermost protective layer in screen, when the surface of cover sheet (standard shape or abnormally-structured) in curved surface, due to thin film
Sensor is flexible, therefore, it is possible to well fit with the cover sheet that surface is curved surface, is so not protected cover plate
The restriction of geomery.
The technology that this touch screen moves by using laser etch process and reversion, it is achieved high adhesion, slimming, resistance to bending
Double-layer nanometer silver touch screen make, solve and directly use laser-induced thermal etching fabricating patterned to receive on slimming macromolecule membrane
Macromolecule membrane is easily caused the problem of fracture damage by rice silver conductive film, has filled up nanometer silver on slimming macromolecule membrane and has led
The technological gap of electrolemma laser-induced thermal etching, this touch screen provides bigger for the development of follow-up abnormity, curved surface or flexible product simultaneously
Probability.
Embodiment described above only have expressed embodiments of the present invention, and it describes more concrete and detailed, but can not
Therefore the restriction to the scope of the claims of the present invention it is interpreted as, as long as using the skill that the form of equivalent or equivalent transformation is obtained
Art scheme, all should fall within the scope and spirit of the invention.
Claims (10)
1. the manufacture method of a flexible base board, it is characterised in that comprise the following steps:
Step 1, solidifying to form a conducting film on the rigid substrate, the formation material of described conducting film is nano-silver thread and/or receives
Rice Argent grain；
Step 2, conducting film is carried out the pattern conductive film that laser-induced thermal etching obtains presetting；
Step 3, it is positioned at above described first pattern conductive film on described rigid substrates, forms a macromolecule membrane；
Step 4, peel off described rigid substrates, obtain flexible base board.
2. the manufacture method of a flexible base board, it is characterised in that comprise the following steps:
Step 1, solidifying to form a conducting film on the rigid substrate, the formation material of described conducting film is nano-silver thread and/or receives
Rice Argent grain；
Step 2, described conducting film frame print conductive silver paste；
Step 3, conducting film and conductive silver paste are carried out pattern conductive film and the cabling that laser-induced thermal etching obtains presetting；
Step 4, it is positioned at above described first pattern conductive film on described rigid substrates, forms a macromolecule membrane；
Step 5, peel off described rigid substrates, obtain flexible base board.
The manufacture method of flexible base board the most according to claim 1 and 2, it is characterised in that described high molecular film material
For polyimides.
The manufacture method of flexible base board the most according to claim 3, it is characterised in that the thickness of described macromolecule membrane is
2~10μm。
The manufacture method of flexible base board the most according to claim 1 and 2, it is characterised in that described conducting film conductor planes
Resistance is 50 ~ 80 Ω/, transmitance > 90%.
The manufacture method of flexible base board the most according to claim 1 and 2, it is characterised in that the solidification temperature of described conducting film
Degree is 120 ~ 160 DEG C, and hardening time is 10 ~ 60min.
7. the manufacture method of a touch screen, it is characterised in that include following operation:
A, make upper sensor by the arbitrary described manufacture method of claim 1 to 6, there is the first pattern conductive film；
B, make lower sensor by the arbitrary described manufacture method of claim 1 to 6, there is the second pattern conductive film；
C, fit relative with lower sensor for described upper sensor, bind wiring board, obtain touch screen.
The manufacture method of touch screen the most according to claim 1, it is characterised in that described high molecular film material is polyamides
Imines.
The manufacture method of touch screen the most according to claim 1 and 2, it is characterised in that the thickness of described macromolecule membrane
It is 2 ~ 10 μm.
The manufacture method of touch screen the most according to claim 1 and 2, it is characterised in that described conducting film conductor planes electricity
Resistance is 50 ~ 80 Ω/, transmitance > 90%.
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| WO2020062157A1 (en) * | 2018-09-26 | 2020-04-02 | 深圳市华科创智技术有限公司 | Foldable touch module, touch screen and terminal device |
| CN109240548A (en) * | 2018-11-26 | 2019-01-18 | 重庆津油纳米光学科技有限公司 | Structure is loosened at touch-proof screen flexibility winding displacement pressing |
| CN109298803A (en) * | 2018-12-12 | 2019-02-01 | 顾氏纳米科技（浙江）有限公司 | Nano Silver touch screen and preparation method thereof |
| 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 |
| 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 |
| CN110444116A (en) * | 2019-07-16 | 2019-11-12 | 武汉华星光电半导体显示技术有限公司 | Flexible base board and preparation method thereof |
| US11042092B2 (en) | 2019-07-16 | 2021-06-22 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Flexible substrate and manufacturing method of same |
| CN111596809A (en) * | 2020-04-28 | 2020-08-28 | 北京载诚科技有限公司 | Touch screen and preparation method thereof |
| CN112829485A (en) * | 2020-12-30 | 2021-05-25 | 盐城创盈利科技有限公司 | Screen printing process for electronic display screen |
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