CN106371686A - Flexible capacitive touch screen and manufacturing method thereof - Google Patents
Flexible capacitive touch screen and manufacturing method thereof Download PDFInfo
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- CN106371686A CN106371686A CN201610900606.XA CN201610900606A CN106371686A CN 106371686 A CN106371686 A CN 106371686A CN 201610900606 A CN201610900606 A CN 201610900606A CN 106371686 A CN106371686 A CN 106371686A
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- Prior art keywords
- touch screen
- capacitive touch
- flexible
- base board
- circuit layer
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- 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
- G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
Abstract
The invention is applicable to the technical field of capacitive touch screens, and provides a method for manufacturing a flexible capacitive touch screen. The method comprises the following steps: cleaning of a flexible substrate: cleaning the flexible substrate with a cleaning machine; ink printing: printing a metal conductive ink on the surface of the flexible substrate with printing equipment, and forming a conductive circuit layer on the surface of the flexible substrate, wherein the conductive circuit layer comprises an X-direction induction module and a Y-direction induction module; curing treatment: baking the flexible substrate printed with the metal conductive ink. In the method, the printing equipment is used to print the metal conductive ink on the surface of the flexible substrate, so as to form the conductive circuit layer; the baking-curing treatment is performed to form the flexible capacitive touch screen; in the whole manufacturing process, only the cleaning machine, the printing equipment and baking equipment are used, so that the method greatly reduces equipment costs, has an electromagnetic shielding function, effectively reduces the signal interference, and can be used for producing circuits with high touch accuracy requirements and high density, such as the capacitive touch screen with narrow border and high touch accuracy.
Description
Technical field
The invention belongs to capacitance-type touch screen technology field, more particularly, to a kind of flexible capacitive touch screen and this flexibility
The manufacture method of capacitive touch screen.
Background technology
Capacitive touch screen is to be come to touch location using the electric current sensing change of human body when touching.Monolayer multiple spot
The touch technology of projecting type capacitor panel: monolayer multiple spot projected capacitive touch screen is in one layer of ito (tin indium oxide) conduction glass
The ito conducting wire module of different directions is etched on glass coating.In two kinds of modules, the figure of etching, can regard them as
X and y direction continually varying draw runner.Because x, y framework is in different surfaces, its intersection forms a capacitive node.One draw runner
Drives line can be treated as, it is detection lines that another one draw runner is treated as.When a wire in drives line for the electric current, if outward
There is the signal of capacitance variations on boundary, then will cause the change of capacitive node on another layer conductor.The change of detecting capacitance can
Obtain with the electronic loop measurement by being attached thereto, then switch to digital signal via a/d controller doing at computing by computer
Reason obtains (x, y) shaft position, and then reaches the mesh ground of positioning.
In traditional capacitive touch screen, all adopt glass as base material as g+g or ogs, hold very much when dropping
Easily cause screen to crush, and glass screen can not bend, easily scratch.Typically select ito (tin indium oxide) as conductive material,
It is made the method for conductive pattern and is typically completed using vacuum coating+gold-tinted technique, i.e. general technological process includes Vacuum Deposition
Film → light blockage coating → exposure → development → etching → stripping etc..Due to generally comprising multilayer conductive circuit in touch screen structure
Insulating barrier between (containing lead line) and different layers and protective layer, above-mentioned technique needs repeatedly (typically to want 4~6 times).This
Bring series of problems, such as equipment investment is high, workshop area occupied is larger, high energy consumption, and the etch process that develops needs to use
It is unfavorable for environmental protection to substantial amounts of soda acid.Meanwhile, tin indium oxide (ito) is a kind of rare earth oxide, and resource is on the verge of exhaustion, and this material
The conductive membrane impedance that material makes is larger, and for the touch screen of large-size, it touches precision and sensitivity difficult to reach requires.
Content of the invention
It is an object of the invention to provide a kind of flexible capacitive touch screen is it is intended to solve capacitance touch in prior art
Screen is difficult to meet the technical problem of large scale touch screen accuracy and sensitivity requirement using tin indium oxide as conductive material.
The present invention is achieved in that a kind of manufacture method of flexible capacitive touch screen, comprises the following steps:
Cleaning flexible base board, cleans described flexible base board using cleaning machine;
Metallic conductive inks are printed on described flexible base board surface using printing equipment, in described flexibility by printing-ink
Substrate surface forms conductive circuit layer, and described conductive circuit layer includes x direction inductor module and y direction inductor module, described x side
It is provided with a plurality of drives line that drive signal is provided to induction module, described y direction inductor module is provided with a plurality of offer Capacitance Coupled
The detection lines of signal, described drives line is intersected with described detection lines and forms capacitive node;
Cured, the described flexible base board being printed with described metallic conductive inks is toasted.
Further, in cleaning flexible base board, using plasma electric slurry, described flexible base board surface is processed, clearly
Wash 30 ° of the water droplet angle < on surface.
Further, the material of described flexible base board is flexiplast or pet thin film.
Further, in the step of printing-ink, it is less than 1 μ using the printing precision that described printing equipment is printed
M, minimum feature line-spacing is 2~5 μm.
Present invention also offers a kind of flexible capacitive touch screen, using the manufacture method of above-mentioned flexible capacitive touch screen
Make;Described flexible capacitive touch screen is included flexible base board and is coated on metallic conductive inks using typography described
The conductive circuit layer on flexible base board surface, described conductive circuit layer includes x direction inductor module and y direction inductor module, described x
Direction inductor module is provided with a plurality of drives line providing drive signal, and described y direction inductor module is provided with a plurality of offer electric capacity coupling
Close the detection lines of signal, described drives line is intersected with described detection lines and forms capacitive node.
Further, the material of described flexible base board is flexiplast or pet thin film.
Further, described flexiplast is polyether-ether-ketone, polyimides or Merlon.
Further, described flexible capacitive touch screen also includes fitting in the cover plate of described conducting wire layer surface, institute
State cover plate to be located on relative two surfaces of described conductive circuit layer with described pet thin film.
Further, metallic conductive inks are one of metallic copper, argent, metallic tin or its binary alloy nano powder
End and filler, the mixture of solvent.
Further, the live width distance between centers of tracks minimum 2 of the described drives line in described conductive circuit layer and described detection lines
~5 μm.
Further, flexible capacitive touch screen is the capacitive touch screen of Nanometer Copper circuit, the electricity of conductive ink circuit
Appearance formula touch screen, the capacitive touch screen of Graphene circuit or single-point add gesture capacitive touch screen.
The present invention utilizes described print with respect to the manufacture method having the technical effect that flexible capacitive touch screen of prior art
, in flexible base board surface printing metallic conductive inks to form described conductive circuit layer, and toasted cured is with shape for brush equipment
Become described flexible capacitive touch screen, only need using cleaning machine, printing equipment and roasting plant, equipment in whole manufacturing process
Cost substantially reduces with respect to the equipment cost of ito capacitance plate production line;And adopt metallic conductive inks to form described driving
Line and described detection lines, because the face resistance of described metallic conductive inks is low, minimum up to 0.1 ω/, and there is electromagnetic screen
Cover function, effectively can drop low signal interference, be suitable for producing large scale touch screen;And formed using metallic conductive inks
Described drives line and described detection lines there is less live width line-spacing, can be used to produce touch accuracy and require higher, density more
Big circuit, such as narrow frame, high touch accuracy capacitive touch screen etc..
Brief description
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be to the embodiment of the present invention or prior art
In description the accompanying drawing of required use be briefly described it should be apparent that, drawings described below is only the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other accompanying drawings.
Fig. 1 is the flow chart of the manufacture method of flexible capacitive touch screen provided in an embodiment of the present invention;
Fig. 2 is a kind of structural representation of flexible capacitive touch screen provided in an embodiment of the present invention;
Fig. 3 is another kind of structural representation of flexible capacitive touch screen provided in an embodiment of the present invention.
Description of reference numerals:
10 | Flexible base board | 30 | Cover plate |
20 | Conductive circuit layer | 40 | Transparent optical glue-line |
Specific embodiment
Embodiments of the invention are described below in detail, the example of described embodiment is shown in the drawings, wherein from start to finish
The element that same or similar label represents same or similar element or has same or like function.Below with reference to attached
The embodiment of figure description is exemplary it is intended to be used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention it is to be understood that term " length ", " width ", " on ", D score, "front", "rear",
The orientation of instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward " or position relationship are based on accompanying drawing institute
The orientation showing or position relationship, are for only for ease of the description present invention and simplify description, rather than the dress of instruction or hint indication
Put or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limit to the present invention
System.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In describing the invention, " multiple " are meant that two or more,
Unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral;Can be that machinery connects
Connect or electrically connect;Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to concrete feelings
Condition understands above-mentioned term concrete meaning in the present invention.
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.
Refer to Fig. 1 to Fig. 3, the manufacture method of flexible capacitive touch screen provided in an embodiment of the present invention includes following step
Rapid:
S1: cleaning flexible base board 10, cleans described flexible base board 10 using cleaning machine;
Metallic conductive inks are printed on described flexible base board 10 surface using printing equipment, described by s2: printing-ink
Flexible base board 10 surface forms conductive circuit layer 20, and described conductive circuit layer 20 includes x direction inductor module and y direction inductor mould
Block, described x direction inductor module is provided with a plurality of drives line providing drive signal, and described y direction inductor module is provided with a plurality of carrying
For the detection lines of capacitively coupled signal, described drives line is intersected with described detection lines and forms capacitive node;
S3: cured, the described flexible base board 10 being printed with described metallic conductive inks is toasted.
The manufacture method of flexible capacitive touch screen provided in an embodiment of the present invention utilizes described printing equipment in flexible base
Plate 10 surface printing metallic conductive inks are to form described conductive circuit layer 20, and toasted cured is to form described flexibility
Capacitive touch screen, only needs using cleaning machine, printing equipment and roasting plant in whole manufacturing process, equipment cost with respect to
The equipment cost of ito capacitance plate production line substantially reduces;And adopt metallic conductive inks to form described drives line and described to detect
Survey line, because the face resistance of described metallic conductive inks is low, minimum and have electro-magnetic screen function up to 0.1 ω/, can
With effective fall low signal interference, it is suitable for producing large scale touch screen;And the described drive being formed using metallic conductive inks
Moving-wire and described detection lines have less live width line-spacing, can be used to produce the circuit that touch accuracy requirement is higher, density is bigger,
As narrow frame, high touch accuracy capacitive touch screen etc..
In this embodiment, described conductive circuit layer 20 has x direction inductor module and the y direction inductor mould of different directions
It is possible to understand that ground, x direction inductor module has x direction continually varying draw runner to block, and that is, the draw runner in an x direction is equivalent to and carries
For the drives line of drive signal, y direction inductor module has y direction continually varying draw runner, and that is, the draw runner in a y direction is suitable
In the detection lines providing capacitively coupled signal.Because x direction inductor module and described y direction inductor module are arranged on different tables
Face, and described drives line and described detection lines form described capacitive node in intersection.When electric current is in described drives line
Wherein one when, if there is the signal of capacitance variations in the external world, then the change of the capacitive node in y direction inductor module can be caused
Change, the change of detecting capacitance can be obtained by the electronic loop measurement being attached thereto, then switchs to numeral via a/d controller
Signal does calculation process by computer and obtains (x, y) shaft position, and then reaches the mesh ground of positioning.
The manufacture method of flexible capacitive touch screen provided in an embodiment of the present invention adopts metallic conductive inks printing to be formed
Drives line and detection lines can reduce production cost, and metallic conductive inks can be directly printed on substrate with printing equipment, so
After carry out solidification baking, formed circuit.This technique can save large number quipments cost, material cost, and operation is simple;Can save
The energy, avoids producing substantial amounts of waste water and gas simultaneously.
In this embodiment, the cover plate printing metallic conductive inks circuit is toasted with baking box or continuous tunnel furnace, dried
Roasting temperature is 80 DEG C~180 DEG C, and baking time is 10min~60min.As with oven cooking cycle, then required baking box pollution-free and roasting
Temperature difference < 5% in case;As toasted with continuous tunnel furnace, then production environment is required to be hundred grades of dust free rooms, and continuous tunnel furnace constant temperature zone temperature difference <
5%.
Further, in step s1 of cleaning flexible base board 10, using plasma electric slurry to described flexible base board 10 table
Face is processed, 30 ° of the water droplet angle < on cleaning surface.During to the cleaning of described flexible base board 10, clear using cleaning machine
Wash the surface needing to be printed, after cleaning, entered using the surface that plasma electric slurry needs printing to described flexible base board 10
Row is processed, and 30 ° handled of surface water droplet angle <, is otherwise unsatisfactory for cleaning requirement.By the print to described flexible base board 10
Brush surface is carried out processing, so that the printing surface of described flexible base board 10 meets print request, thus ensureing follow-up print
Brushing effects reach requirement.
Further, the material of described flexible base board 10 be flexiplast or pet (polyethylene terephthalate,
Chemical formula is coc6h4cooch2ch2o, English entitled polyethylene terephthalate, abbreviation pet) thin film.Preferably
Ground, described flexiplast is polyether-ether-ketone, polyimides or Merlon.Using flexiplast or pet thin film as soft
Property base material, has very strong shatter-resistant function, is easily broken with respect to traditional glass baseplate and has durable, shatter-resistant characteristic;Adopt
The thickness of described flexible base board 10 is less than 0.2mm, is more than more frivolous for 0.7mm with respect to traditional glass substrate thickness
?;Additionally, also having visible angle height, power saving and the faster advantage of response speed.
In this embodiment, after baking fixing step s3, also include the step binding flexible printed circuit board.For
When flexible base board 10 is pet thin film, after bandage flexible printed circuit board, also include using transparent optical cement bonding cover plate 30
Step, cover plate 30 and pet thin film are located on relative two surfaces of conductive circuit layer 20 respectively.Preferably, described cover plate 30 is
Flexible plastic cover sheets.
Further, in step s2 of printing-ink, it is less than 1 using the printing precision that described printing equipment is printed
μm, minimum feature line-spacing is 2~5 μm.
The manufacture method of flexible capacitive touch screen provided in an embodiment of the present invention is obtained using metallic conductive inks printing
Drives line and detection lines there is Low ESR feature it is preferable that metallic conductive inks be metallic copper, argent, in metallic tin
A kind of or its binary alloy nano powder and filler, the mixture of solvent.Flexible capacitance type provided in an embodiment of the present invention touches
The lowest surfaces resistance of screen is up to 0.1 ω/, and possesses electro-magnetic screen function, it is possible to decrease signal disturbs, and conventional condenser type
The sheet resistance of ito (tin indium oxide) material of touch screen is about 50~100 ω/, because its impedance is too high, can lead to signal source
Interference is more, and the present invention adopts metallic conductive inks to reduce due to impedance, and so producible touch screen size is bigger, graphite
Alkene even can be used to produce the capacitive touch screen of 100inch.
The manufacture method of flexible capacitive touch screen provided in an embodiment of the present invention is obtained using metallic conductive inks printing
Drives line and detection lines circuit precision higher, live width line-spacing is less.Conventional ito live width line-spacing minimum generally 20~30
μm, and Graphene live width line-spacing minimum can accomplish 2~5 μm, can be used to produce the circuit that precision is higher, density is bigger, such as narrow
Frame touch panel etc..
In this embodiment, the metallic conductive inks being adopted are the extremely strong conductive material of pliability, in flexible bending
Can guarantee that circuit will not be damaged.
Refer to Fig. 1 to Fig. 3, flexible capacitive touch screen provided in an embodiment of the present invention adopts above-mentioned flexible capacitance type to touch
The manufacture method touching screen is made;Described flexible capacitive touch screen is included flexible base board 10 and is led metal using typography
Electric ink is coated on the conductive circuit layer 20 on described flexible base board 10 surface, and described conductive circuit layer 20 includes x direction inductor mould
Block and y direction inductor module, described x direction inductor module is provided with a plurality of drives line providing drive signal, described y direction inductor
Module is provided with a plurality of detection lines providing capacitively coupled signal, and described drives line is intersected with described detection lines and forms capacitance section
Point.
Flexible capacitive touch screen provided in an embodiment of the present invention passes through in flexible base board 10 surface printing metallic conduction oil
Ink is to form described conductive circuit layer 20, and toasted cured, to form described flexible capacitive touch screen, is made whole
Only need during work using cleaning machine, printing equipment and roasting plant, equipment cost is with respect to the equipment of ito capacitance plate production line
Cost substantially reduces;And adopt metallic conductive inks to form described drives line and described detection lines, due to described metallic conduction
The face resistance of ink is low, and minimum and have electro-magnetic screen function up to 0.1 ω/, effectively can drop low signal interference, fits
Together in production large scale touch screen;And the described drives line being formed and described detection lines have relatively using metallic conductive inks
Little live width line-spacing, can be used to produce the circuit that touch accuracy requirement is higher, density is bigger, such as narrow frame, high touch accuracy electricity
Appearance formula touch screen etc..
In this embodiment, described conductive circuit layer 20 has x direction inductor module and the y direction inductor mould of different directions
It is possible to understand that ground, x direction inductor module has x direction continually varying draw runner to block, and that is, the draw runner in an x direction is equivalent to and carries
For the drives line of drive signal, y direction inductor module has y direction continually varying draw runner, and that is, the draw runner in a y direction is suitable
In the detection lines providing capacitively coupled signal.Because x direction inductor module and described y direction inductor module are arranged on different tables
Face, and described drives line and described detection lines form described capacitive node in intersection.When electric current is in described drives line
Wherein one when, if there is the signal of capacitance variations in the external world, then the change of the capacitive node in y direction inductor module can be caused
Change, the change of detecting capacitance can be obtained by the electronic loop measurement being attached thereto, then switchs to numeral via a/d controller
Signal does calculation process by computer and obtains (x, y) shaft position, and then reaches the mesh ground of positioning.
Flexible capacitive touch screen provided in an embodiment of the present invention is printed using metallic conductive inks and forms drives line and detect
Survey line can reduce production cost, and metallic conductive inks can be directly printed on substrate with printing equipment, is then solidified
Baking, forms circuit.This technique can save large number quipments cost, material cost, and operation is simple;Energy energy saving, simultaneously
Avoid producing substantial amounts of waste water and gas.
Further, the material of described flexible base board 10 is flexiplast or pet thin film.Preferably, described flexibility is moulded
Expect for polyether-ether-ketone, polyimides or Merlon.Using flexiplast or pet thin film as flexible parent metal, have non-
The shatter-resistant function of Chang Qiang, is easily broken with respect to traditional glass baseplate and has durable, shatter-resistant characteristic;Using described flexibility base
The thickness of plate 10 is less than 0.2mm, is more than more frivolous for 0.7mm with respect to traditional glass substrate thickness;Additionally, also having
Visible angle height, power saving and the faster advantage of response speed.
Refer to Fig. 3, further, described flexible capacitive touch screen also includes fitting in described conductive circuit layer 20 table
The cover plate 30 in face, described cover plate 30 is located on relative two surfaces of described conductive circuit layer 20 with described pet thin film.Preferably,
Described cover plate 30 is flexible plastic cover sheets.Ensure that described flexible capacitive touch screen has by setting cover plate 30 necessarily hard
Degree.There is between described flexible plastic cover sheets and described conductive circuit layer 20 the transparent optical glue-line 40 of bonding effect.
Refer to Fig. 1, further, metallic conductive inks are one of metallic copper, argent, metallic tin or its binary
Alloy nanoparticle and filler, the mixture of solvent.The lowest surfaces resistance of flexible capacitive touch screen provided in an embodiment of the present invention
Value is up to 0.1 ω/, and possesses electro-magnetic screen function, it is possible to decrease signal disturbs, and the ito of conventional capacitive touch screen
The sheet resistance of (tin indium oxide) material is about 50~100 ω/, because its impedance is too high, signal source interference can be led to more, and
The present invention adopts metallic conductive inks to reduce due to impedance, and so producible touch screen size is bigger, and Graphene is even permissible
It is used for producing the capacitive touch screen of 100inch.
Refer to Fig. 2 to Fig. 3, further, described drives line in described conductive circuit layer 20 and described detection lines
Minimum 2~5 μm of live width distance between centers of tracks.Flexible capacitive touch screen provided in an embodiment of the present invention adopts metallic conductive inks to print
The drives line obtaining and the circuit precision of detection lines are higher, and live width line-spacing is less.Conventional ito live width line-spacing minimum generally 20
~30 μm, and Graphene live width line-spacing minimum can accomplish 2~5 μm, can be used to produce the circuit that precision is higher, density is bigger,
As narrow-frame touch panel etc..
In this embodiment, the metallic conductive inks being adopted are the extremely strong conductive material of pliability, in flexible bending
Can guarantee that circuit will not be damaged.
Further, flexible capacitive touch screen is the capacitive touch screen of Nanometer Copper circuit, the electricity of conductive ink circuit
Appearance formula touch screen, the capacitive touch screen of Graphene circuit or single-point add gesture capacitive touch screen.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of manufacture method of flexible capacitive touch screen is it is characterised in that comprise the following steps:
Cleaning flexible base board, cleans described flexible base board using cleaning machine;
Metallic conductive inks are printed on described flexible base board surface using printing equipment, in described flexible base board by printing-ink
Surface forms conductive circuit layer, and described conductive circuit layer includes x direction inductor module and y direction inductor module, described x sense of direction
Module is answered to be provided with a plurality of drives line providing drive signal, described y direction inductor module is provided with a plurality of offer capacitively coupled signal
Detection lines, described drives line intersected with described detection lines and forms capacitive node;
Cured, the described flexible base board being printed with described metallic conductive inks is toasted.
2. the manufacture method of flexible capacitive touch screen as claimed in claim 1 is it is characterised in that cleaning flexible base board
In, using plasma electric slurry, described flexible base board surface is processed, 30 ° of the water droplet angle < on cleaning surface.
3. the manufacture method of flexible capacitive touch screen as claimed in claim 1 is it is characterised in that the material of described flexible base board
Matter is flexiplast or pet thin film.
4. the manufacture method of flexible capacitive touch screen as claimed in claim 1 is it is characterised in that step in printing-ink
In, it is less than 1 μm using the printing precision that described printing equipment is printed, minimum feature line-spacing is 2~5 μm.
5. a kind of flexible capacitive touch screen is it is characterised in that adopt the flexible electrical as described in Claims 1-4 any one
The manufacture method of appearance formula touch screen is made;Described flexible capacitive touch screen includes flexible base board and using typography by gold
Belong to conductive ink application in the conductive circuit layer on described flexible base board surface, described conductive circuit layer includes x direction inductor module
With y direction inductor module, described x direction inductor module be provided with a plurality of provide drive signal drives line, described y direction inductor mould
Block is provided with a plurality of detection lines providing capacitively coupled signal, and described drives line is intersected with described detection lines and forms capacitive node.
6. flexible capacitive touch screen as claimed in claim 5 is it is characterised in that the material of described flexible base board is moulded for flexibility
Material or pet thin film.
7. flexible capacitive touch screen as claimed in claim 6 is it is characterised in that also include fitting in described conductive circuit layer
The cover plate on surface, described cover plate is located on relative two surfaces of described conductive circuit layer with described pet thin film.
8. flexible capacitive touch screen as claimed in claim 5 is it is characterised in that metallic conductive inks are metallic copper, metal
One of silver, metallic tin or the mixture of its binary alloy nano powder and filler, solvent.
9. flexible capacitive touch screen as claimed in claim 5 is it is characterised in that described driving in described conductive circuit layer
Minimum 2~5 μm of the live width distance between centers of tracks of line and described detection lines.
10. the flexible capacitive touch screen as described in claim 5 to 9 any one is it is characterised in that flexible capacitance type touches
Shield capacitive touch screen for Nanometer Copper circuit, the capacitive touch screen of conductive ink circuit, the capacitive touch of Graphene circuit
Touch screen or single-point adds gesture capacitive touch screen.
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Cited By (6)
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CN106707688A (en) * | 2017-02-15 | 2017-05-24 | 蓝思科技(长沙)有限公司 | Exposure developing process |
CN107102774A (en) * | 2017-05-04 | 2017-08-29 | 重庆市大渃科技有限公司 | Novel capacitance type touch screen and its production method |
WO2018176915A1 (en) * | 2017-03-28 | 2018-10-04 | Boe Technology Group Co., Ltd. | Conductive ink, display substrate and fabrication method thereof, and display apparatus |
CN109062445A (en) * | 2018-09-06 | 2018-12-21 | 牧东光电科技有限公司 | A method of touch screen is prepared using abnormity cutting |
CN112540509A (en) * | 2019-09-23 | 2021-03-23 | 河北叁迪光学科技有限公司 | Yellow light technology process for 3D curved surface vehicle-mounted screen |
CN113589975A (en) * | 2021-07-30 | 2021-11-02 | 广西中沛光电科技有限公司 | Manufacturing method of oversized capacitive touch screen |
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