CN106997250A - The manufacturing process of touch-screen - Google Patents
The manufacturing process of touch-screen Download PDFInfo
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- CN106997250A CN106997250A CN201710157512.2A CN201710157512A CN106997250A CN 106997250 A CN106997250 A CN 106997250A CN 201710157512 A CN201710157512 A CN 201710157512A CN 106997250 A CN106997250 A CN 106997250A
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- molybdenum
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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
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- Theoretical Computer Science (AREA)
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- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention discloses the manufacturing process of touch-screen, a plurality of X electrode and a plurality of Y electrode are etched on ito thin film, mutually insulated between X electrode and Y electrode, X electrode keeps continuous in the X-axis direction, Y electrode disconnects in the region intersected with X electrode；Multiple insulative bridges are printed on ito thin film；Insulative bridge and the areas of disconnection of Y electrode are corresponded, and insulative bridge is located at the areas of disconnection of Y electrode and connects the Y electrode of the areas of disconnection both sides；A plurality of molybdenum aluminium molybdenum wire jumper is set on ito thin film by spraying and etch process；Molybdenum aluminium molybdenum wire jumper is located in insulative bridge and turns on the Y electrode of corresponding areas of disconnection both sides；Insulative bridge is set onto ito thin film by typography, easily controllable insulative bridge size, improve insulative bridge adhesive force strong, molybdenum aluminium molybdenum wire jumper is set on ito thin film by spraying and etch process, be conducive to the size reduction of molybdenum aluminium molybdenum wire jumper to the sightless size of naked eyes, realize the good display effect of touch-screen.
Description
Technical field
The invention belongs to touch-screen field, and in particular to the manufacturing process of touch-screen.
Background technology
Capacitance touch screen is operated using the induced-current of human body, and some point on screen is touched when finger
When, the touch-control IC controllers of touch-screen need to obtain the point respectively in the current information of X-direction and Y-direction, accurately to calculate
The position of touch point.Conventional capacitance touch screen, usually using the ITO electrode of double-layer structure, respectively as the electricity of X-direction
Pole and the electrode of Y direction, two layers described of ITO electrode are respectively deposited on two plate substrates, then two plate substrates are used up into glue
Bonding, then upper strata base material optical cement is Nian Jie with glass cover-plate, the ITO electrode of such X-direction and Y direction is respectively each
From layer on work.Due to making touch-screen using two layers ITO conductive materials, two layers of optical cement, technique is cumbersome, the thickness of touch-screen
Degree is high；Conduction is larger with wire jumper line width, and wire jumper is inevitably shown in viewing area, influences touch-screen display effect.
If X electrode and Y electrode are set on monolayer conductive film, and the electrode disconnected with molybdenum aluminium molybdenum layer as connection
Wire jumper then can there are the following problems：When wire jumper is wider, wire jumper is visual and visual effect when influenceing the touch-screen to use；Work as wire jumper
When narrower, wire jumper poor adhesive force and influence the touch sensitivity of touch-screen, service life.
The content of the invention
A technical problem to be solved by this invention is that offer process is few, can efficiently produce lightening touch-screen
The manufacturing process of touch-screen.
In order to solve the above technical problems, the technical scheme that the manufacturing process of inventive touch screen is used is：
The manufacturing process of touch-screen, including：
A plurality of X electrode and a plurality of Y electrode are etched on ito thin film；Between the X electrode and the Y electrode mutually absolutely
Edge, the X electrode extends along X-direction and keeps continuous in the X-axis direction, the Y electrode along Y direction extension and with institute
The region for stating X electrode intersection disconnects；
Multiple insulative bridges are printed on the ito thin film；A pair of the areas of disconnection 1 of the insulative bridge and the Y electrode
Should, the insulative bridge is located at the areas of disconnection of the Y electrode and connects the Y electrode of the areas of disconnection both sides；
A plurality of molybdenum aluminium molybdenum wire jumper is set on the ito thin film by spraying and etch process；The molybdenum aluminium molybdenum wire jumper with
The insulative bridge is corresponded, and the molybdenum aluminium molybdenum wire jumper is located in the insulative bridge and turns on the described of corresponding areas of disconnection both sides
Y electrode.
Further, it is described to be wrapped by spraying the step of a plurality of molybdenum aluminium molybdenum wire jumper is set on ito thin film with etch process
Include：
Molybdenum aluminium molybdenum layer is sprayed on the ito thin film；
Fitted on the ito thin film the first dry film, first dry film covers the molybdenum aluminium molybdenum layer；
Uv-exposure is carried out to first dry film according to the shape of the molybdenum aluminium molybdenum wire jumper, and to the institute after uv-exposure
State the first dry film to be developed, the first dry film reacted protects the molybdenum aluminium molybdenum layer；
The molybdenum aluminium molybdenum layer do not protected by first dry film is etched away using molybdenum aluminium-molybdenum etching liquid；
Peel off first dry film reacted.
Further, the temperature that the molybdenum aluminium molybdenum layer is sprayed on the ito thin film is 22~28 DEG C, and spraying rate is
3.2~3.8m/min, spray pressure is 0.36~0.42MPa.
Further, fitted on the ito thin film the first dry film temperature be 108~112 DEG C, rolling patch speed be 2.3
~2.7m/min, rolling pressing power is 0.33~0.37MPa.
Further, the uv energy for uv-exposure being carried out to first dry film is 75MJ/cm2, the time is 5~7s.
Further, the speed of the first dry film development is 3.8~4.2m/min.
Further, the speed for carving the molybdenum aluminium molybdenum layer do not protected by first dry film is 3.8~4.2m/min.
Further, the step of printing multiple insulative bridges on the ito thin film includes：
On the ito thin film print photosensitive type insulation glue-line, and to it is described insulation glue-line carry out pre-baked, uv-exposure,
Develop and solid roasting.
Further, the scraper pressure that photosensitive type insulation glue-line is printed on the ito thin film is 28~32Kgf, scraper speed
Spend for 118~123mm/min, half tone mesh number is 500~550 mesh, print thickness is 2~3 μm.
Further, the ito thin film includes PET base material and the ITO coatings located at the PET base material upper surface；In ITO
The step of a plurality of X electrode and a plurality of Y electrode are etched on film be：
Shrink burin-in process is carried out to the ito thin film, until the PET base material and the ITO coatings are fully crystallized；
Fitted on the ito thin film the second dry film, second dry film covers the ITO coatings；
Uv-exposure is carried out to second dry film according to the shape of the X electrode and the Y electrode, and to uv-exposure
Second dry film afterwards is developed, and the second dry film reacted is protected to the ITO coatings；
The ITO coatings do not protected by second dry film are etched away using etching solution；
Peel off second dry film reacted.
The beneficial effect of the manufacturing process for the touch-screen that the present invention is provided is：X only need to be etched on individual layer ito thin film
Electrode and Y electrode, touch-screen sense of touch conducting wire, conductive overlap joint line can be completed by republishing insulative bridge and molybdenum aluminium molybdenum wire jumper
The setting of (the molybdenum aluminium molybdenum wire jumper for overlapping Y electrode), X electrode and Y electrode are connected into IC controllers by lead-out wire will touch
The current information touched a little is transferred to IC controllers and realizes touch-control, reduces the number of plies of touch-screen, with good flexural property, easily
In processing, materials are saved, process is few, be conducive to improving production efficiency, improve yields and reduce cost, pass through etching, printing
The circuit of formation, the stability with higher precision and structure can ensure the good visual performance of touch-screen and work
Realized on the premise of stability lightening；Insulative bridge is set onto ito thin film by typography, it is easy to control insulative bridge chi
Very little, pressure is small during printing, is conducive to protecting ito thin film, the insulative bridge of typography formation is strong to the adhesive force of ito thin film；And
Molybdenum aluminium molybdenum wire jumper is set on ito thin film by spraying and etch process, the size essence of molybdenum aluminium molybdenum wire jumper can greatly be improved
Spend and to ito thin film and the adhesive force of insulative bridge, it is to avoid molybdenum aluminium molybdenum wire jumper is peeled off, neither influence the conveyance capacity of circuit, have again
Beneficial to by the size reduction of molybdenum aluminium molybdenum wire jumper to the sightless size of naked eyes, to avoid wire jumper interference display, touch-screen is realized
Good display effect.
Brief description of the drawings
Fig. 1 is the flow chart of the manufacturing process of touch-screen provided in an embodiment of the present invention；
Fig. 2 is that the structure etched on ito thin film provided in an embodiment of the present invention after a plurality of X electrode and a plurality of Y electrode is shown
It is intended to；
Fig. 3 is to print the structural representation after multiple insulative bridges on Fig. 2 ito thin film；
Fig. 4 is to set the structural representation after a plurality of molybdenum aluminium molybdenum wire jumper on Fig. 3 ito thin film；
Wherein：1-ITO films, 11-X electrodes, 12-Y electrodes, 2- insulative bridges, 3- molybdenum aluminium molybdenum wire jumpers.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
As Figure 1-4, the manufacturing process of touch-screen provided in an embodiment of the present invention, is included on ito thin film 1 and etches
A plurality of X electrode 11 and a plurality of Y electrode 12, print on ito thin film 1 multiple insulative bridges 2 and by spraying and etch process in ITO
A plurality of molybdenum aluminium molybdenum wire jumper 3 is set on film 1；Wherein, mutually insulated between X electrode 11 and Y electrode 12, X electrode 11 is along X-direction
Extend and keep continuous in the X-axis direction, Y electrode 12 extends along Y direction and disconnected in the region intersected with X electrode 11, absolutely
The areas of disconnection of edge bridge 2 and Y electrode 12 is corresponded, and insulative bridge 2 is located at the areas of disconnection of Y electrode 12 and connects the areas of disconnection
The Y electrode 12 of both sides, molybdenum aluminium molybdenum wire jumper 3 is corresponded with insulative bridge 2, and wire jumper is located in insulative bridge 2 and turns on corresponding disconnection area
The Y electrode 12 of domain both sides.
Conductive electrode (referring to X electrode 11 and Y electrode 12) only need to be etched on individual layer ito thin film 1, insulative bridge 2 is republished
Touch-screen sense of touch conducting wire, conductive overlap joint line, which can be completed, with molybdenum aluminium molybdenum wire jumper 3 (overlaps the molybdenum aluminium molybdenum wire jumper of Y electrode
3) setting, X electrode 11 and Y electrode 12 are connected into IC controllers by lead-out wire to be transferred to the current information of touch point
IC controllers realize touch-control, reduce the number of plies of touch-screen, with good flexural property, it is easy to process, and save materials, process
It is few, be conducive to improving production efficiency, improve yields and reduce cost, the circuit formed by etching, printing, with higher
The stability of precision and structure, can be realized frivolous on the premise of the good visual performance and job stability of touch-screen is ensured
Change；Insulative bridge 2 is set onto ito thin film 1 by typography, it is easy to control the size of insulative bridge 2, pressure is small during printing, favorably
In protection ito thin film 1, the insulative bridge 2 of typography formation is strong to the adhesive force of ito thin film 1；And pass through spraying and etch process
Molybdenum aluminium molybdenum wire jumper 3 is set on ito thin film 1, the dimensional accuracy of molybdenum aluminium molybdenum wire jumper 3 can greatly be improved and to the He of ito thin film 1
The adhesive force of insulative bridge 2, it is to avoid molybdenum aluminium molybdenum wire jumper 3 is peeled off, neither influences the conveyance capacity of circuit, is conducive to jumping molybdenum aluminium molybdenum again
The size reduction of line 3, to avoid wire jumper interference display, realizes the good display effect of touch-screen to the sightless size of naked eyes.
Further, in embodiments of the present invention, formed in the frame region of ito thin film 1 by way of printing silver paste
A plurality of lead-out wire, a part of lead-out wire is electrically connected with X electrode 11, and another part lead-out wire is electrically connected with Y electrode 12；Both there is letter
Single structure, IC controllers are connected to when again can be convenient for assembly by X electrode 11 and Y electrode 12.
Further, in embodiments of the present invention, in the conductive side laminating glass cover-plate of ito thin film 1, glass cover-plate is passed through
To protect ito thin film 1；Specific steps may include：Fitted OCA optical cement layers in the conductive side of ito thin film 1, then by glass cover-plate
Fit to the OCA optical cement layers side opposite with ito thin film 1.Technique is simple, it is only necessary to which one layer of OCA optical cement layer is by ito thin film 1
Bonded with glass cover-plate, it is ensured that touch-screen has good flexural property.
Further, in embodiments of the present invention, a plurality of molybdenum aluminium is set on ito thin film 1 by spraying and etch process
The step of molybdenum wire jumper 3, includes：
Molybdenum aluminium molybdenum layer, the first dry film of being fitted on ito thin film 1, first dry film covering molybdenum aluminium are sprayed on ito thin film 1
Molybdenum layer, carries out uv-exposure to the first dry film, and the first dry film after uv-exposure is carried out according to the shape of molybdenum aluminium molybdenum wire jumper 3
Development, the first dry film reacted is protected to molybdenum aluminium molybdenum layer, etched away not by the first dry film using molybdenum aluminium-molybdenum etching liquid
The molybdenum aluminium molybdenum layer of protection, peels off the first dry film reacted, you can obtain molybdenum aluminium molybdenum wire jumper 3, and these molybdenum aluminium molybdenum wire jumpers 3 will be disconnected
The Y electrode 12 opened is turned on.Each ad-hoc location is completed using the photobehavior of molybdenum aluminium molybdenum layer and the image transfer function of the first dry film
(in the insulative bridge 2 of each areas of disconnection of Y electrode 12), specific dimensions (not only having realized that naked eyes were invisible but also realization is conductively connected demand) molybdenum
The synchronous setting of aluminium molybdenum wire jumper 3, technique is simple, it is ensured that orientation, the dimensional accuracy of molybdenum aluminium molybdenum wire jumper 3, improves yields, molybdenum aluminium molybdenum
Wire jumper 3 can be firmly attached in insulative bridge 2 and Y electrode 12, and dimensional accuracy is high, arrives the size reduction of molybdenum aluminium molybdenum wire jumper 3
Visually sightless size, obtained touch-screen has good display effect.
Further, in embodiments of the present invention, the temperature that molybdenum aluminium molybdenum layer is sprayed on ito thin film 1 is 22~28 DEG C, spray
Painting speed is 3.2~3.8m/min, and spray pressure is 0.36~0.42Mpa.Both it is beneficial to the time for shortening spraying coating process, can keeps away again
Exempt from molybdenum aluminium molybdenum layer and the phenomena impair structural stability such as bubble, layering occur, be conducive to improving molybdenum aluminium molybdenum layer again on ito thin film 1
Adhesive force, also advantageously improve the thickness evenness of molybdenum aluminium molybdenum layer, so as to the first dry film can preferably with molybdenum aluminium molybdenum layer paste
Close, and then preferably protect the molybdenum aluminium molybdenum layer of the position of molybdenum aluminium molybdenum wire jumper 3, it is ensured that the machining accuracy of molybdenum aluminium molybdenum wire jumper 3, it is ensured that touch
The good display effect of screen.
Further, in embodiments of the present invention, fitted on ito thin film 1 first dry film temperature be 108~112 DEG C,
Rolling patch speed is 2.3~2.7m/min, and rolling pressing power is 0.33~0.37MPa.Both it had been beneficial to improve pad pasting efficiency, had been avoided that again
Ito thin film 1 is deformed, additionally it is possible to the first dry film is preferably fitted with molybdenum aluminium molybdenum layer, and then preferably protects molybdenum aluminium molybdenum to jump
The molybdenum aluminium molybdenum layer of the position of line 3, it is ensured that the machining accuracy of molybdenum aluminium molybdenum wire jumper 3, it is ensured that the good display effect of touch-screen.
Further, in embodiments of the present invention, the uv energy for uv-exposure being carried out to the first dry film is 75MJ/cm2,
Time is 5~7s.Improve exposure efficiency, it is to avoid development is not net or development is excessive, it is ensured that the first dry film is uniform, stably solid
Change, the first dry film cured portion is preferably combined with ito thin film 1.
Further, in embodiments of the present invention, the speed of the first dry film development is 3.8~4.2m/min, improves development
Efficiency, advantageously ensures that and removes the first uncured dry film part completely, and does not influence the first dry film part of solidification.
Further, in embodiments of the present invention, the molybdenum do not protected by the first dry film is etched away using molybdenum aluminium-molybdenum etching liquid
The speed of aluminium molybdenum layer is 3.8~4.2m/min, with higher etching efficiency, is conducive to improving etching precision, it is ensured that molybdenum aluminium molybdenum
Orientation, the dimensional accuracy of wire jumper 3, to ensure good touch performance and display performance.
Further, in embodiments of the present invention, the line width of molybdenum aluminium molybdenum wire jumper 3 is within 5 μm.By spraying and etching work
The selection of skill can narrow down to the line width of molybdenum aluminium molybdenum wire jumper 3, line-spacing within 5 μm, it is ensured that naked eyes are seen not when using touch-screen
To molybdenum aluminium molybdenum wire jumper 3, the interference display of molybdenum aluminium molybdenum wire jumper 3 is prevented effectively from, it is ensured that the good display effect of touch-screen, in addition molybdenum aluminium molybdenum
Wire jumper 3 can firmly be attached on ito thin film 1 and (specifically be attached in insulative bridge 2 and Y electrode 12), and the reduction of line width will not
Conveyance capacity is influenceed, sense of touch sensitivity can be ensured.It is preferred that the line width (or even line-spacing) of molybdenum aluminium molybdenum wire jumper 3 is 3~5 μm, so
Both excessively stream demand had been met, and naked eyes are invisible, and because has been that through spraying and etch process formation molybdenum aluminium molybdenum wire jumper 3, line width subtracts
The small adhesive ability for not interfering with molybdenum aluminium molybdenum wire jumper 3, obtained touch-screen both has good structural stability, can during touch
Sensitive feedback signal, service life is long, has good display effect again.
Further, in embodiments of the present invention, the step of multiple insulative bridge 2 are printed on ito thin film 1 includes：
On ito thin film 1 print photosensitive type insulation glue-line, and to insulation glue-line carry out pre-baked, uv-exposure, development and admittedly
It is roasting.The synchronous of each insulative bridge 2 is completed using the sensitization function of photosensitive type insulating cement to set, technique is simple, it is ensured that the side of insulative bridge 2
Position, dimensional accuracy, improve yields, by pre-baked, insulation glue-line is tentatively molded, then through exposure and development, remove SI semi-insulation
Glue, the insulating cement for only retaining correspondence insulative bridge 2 position, then by solid roasting, make the insulating cement of correspondence insulative bridge 2 position further solid
Change, you can be firmly attached to the insulative bridge 2 on TIO films, it is possible to increase the Y at the connection insulative bridge 2 of molybdenum aluminium molybdenum wire jumper 3 two ends
The reliability of electrode 12, obtains both having good structural stability, again can sensitive feedback signal, have again and well show
The touch-screen of effect.Specifically, the uv energy of uv-exposure is 150MJ/cm2, the time is 5~7s, improves exposure efficiency, keeps away
Unnet or development of exempting to develop is excessive.Specifically, admittedly roasting temperature is 138~142 DEG C, the time is 30min, has both ensured insulative bridge 2
It is fully cured, effective removal of small molecule avoids the aging of insulative bridge 2 again.
Further, in embodiments of the present invention, the scraper pressure that photosensitive type insulation glue-line is printed on ito thin film 1 is 28
~32Kgf, scraper speed is 118~123mm/min, and half tone mesh number is 500~550 mesh, and print thickness is 2~3 μm.Both it was beneficial to
Shorten the time of spraying coating process, improve the thickness evenness of insulation glue-line, it is to avoid the phenomena impair structure such as bubble, layering occur steady
It is qualitative, be conducive to improving adhesive force of the insulation glue-line on ito thin film 1 again, be conducive to fitting for molybdenum aluminium molybdenum layer and insulative bridge 2,
And then the adhesive force between raising molybdenum aluminium molybdenum wire jumper 3 and insulative bridge 2 ensures the structural stability of touch-screen, feedback signal sensitivity
With good display effect.
Further, in embodiments of the present invention, ito thin film 1 includes PET base material and the ITO located at PET base material upper surface
Coating；The step of a plurality of X electrode 11 and a plurality of Y electrode 12 are etched on ito thin film 1 be：
Shrink burin-in process is carried out to ito thin film 1, until PET base material and ITO coatings are fully crystallized；
Fitted on ito thin film 1 second dry film, the second dry film covering ITO coatings；
Uv-exposure is carried out to the second dry film according to the shape of X electrode 11 and Y electrode 12, and to second after uv-exposure
Dry film is developed, and the second dry film reacted is protected to ITO coatings；
The ITO coatings do not protected by the second dry film are etched away using etching solution；
Peel off the second dry film reacted.
Using the image transfer function of the second dry film, conductive electrode (including the He of X electrode 11 is synchronously completed on ito thin film 1
Y electrode 12) etch, technique is simple, it is ensured that the precision of conductive electrode, improves yields.The base material of ito thin film 1 is that PET (gathers
Ethylene glycol terephthalate) film, there is excellent physical and mechanical properties within the scope of wider temperature, temperature is used for a long time
Up to 120 DEG C, electrical insulating property is excellent, and creep resistance, fatigue durability, rub resistance and dimensional stability are all fine, are suitable as
The base material of touch screen structure, can guarantee that the stabilization of touch-screen service behaviour.
Further, in embodiments of the present invention, the temperature for shrink burin-in process being carried out to ito thin film 1 is 138~142
DEG C, rate of ageing is 2.3~2.7m/min；Increase the structural stability of ito thin film 1, so as to accurate control ITO in subsequent technique
Film 1 and structure (such as insulative bridge 2, wire jumper) size and bearing accuracy set thereon.
Further, in embodiments of the present invention, fitted on ito thin film 1 second dry film temperature for 108~112 DEG C,
It is 0.33~0.37MPa to roll pressing power, and rolling patch speed is 2.3~2.7m/min；Both it had been beneficial to improve pad pasting efficiency, had been avoided that again
Ito thin film 1 is deformed, additionally it is possible to the second dry film is preferably fitted with ito thin film 1, and then preferably protects ito thin film 1
It is upper correspondence X electrode 11 and Y electrode 12 ITO coatings, it is ensured that the machining accuracy of X electrode 11 and Y electrode 12, it is ensured that touch-screen it is good
Good display effect.
Further, in embodiments of the present invention, fitted on ito thin film 1 after second dry film, first carry out slicing process,
The corresponding functional sheet in touch-screen touch screen functionality area is obtained, then development is exposed to functional sheet.Volume to volume work can so be utilized
Skill is fitted the second dry film on ito thin film 1, the reliability of fitting between increase ito thin film 1 and the second dry film, it is to avoid ito thin film
1 and second there is bubble and influences the control in subsequent etch orientation between dry film, it is ensured that the size of X electrode 11 and Y electrode 12 and
Bearing accuracy.
Further, in embodiments of the present invention, the uv energy for uv-exposure being carried out to the second dry film is 75MJ/cm2,
Time is 5~7s.Improve exposure efficiency, it is to avoid development is not net or development is excessive, it is ensured that the second dry film is uniform, stably solid
Change, the second dry film cured portion is preferably combined with ito thin film 1.
Further, in embodiments of the present invention, the speed of the second dry film development is 3.8~4.2m/min, improves development
Efficiency, advantageously ensures that and removes the second uncured dry film part completely, and does not influence the second dry film part of solidification.
Further, in embodiments of the present invention, the ITO not protected by the second dry film is etched away using ITO etching solutions to apply
The speed of layer is 3.8~4.2m/min, with higher etching efficiency, is conducive to improving etching precision, it is ensured that X electrode 11 and Y
Orientation, the dimensional accuracy of electrode 12, to ensure good touch performance and display performance.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. the manufacturing process of touch-screen, it is characterised in that including：
A plurality of X electrode and a plurality of Y electrode are etched on ito thin film；Mutually insulated between the X electrode and the Y electrode, institute
State X electrode along X-direction to extend and keep continuous in the X-axis direction, the Y electrode extends along Y direction and electric with the X
The region that pole intersects disconnects；
Multiple insulative bridges are printed on the ito thin film；The insulative bridge and the areas of disconnection of the Y electrode are corresponded, institute
State the Y electrode that insulative bridge is located at the areas of disconnection of the Y electrode and connects the areas of disconnection both sides；
A plurality of molybdenum aluminium molybdenum wire jumper is set on the ito thin film by spraying and etch process；The molybdenum aluminium molybdenum wire jumper with it is described
Insulative bridge is corresponded, and the molybdenum aluminium molybdenum wire jumper is located in the insulative bridge and turns on the Y electricity of corresponding areas of disconnection both sides
Pole.
2. the manufacturing process of touch-screen according to claim 1, it is characterised in that by spraying and etch process described
The step of a plurality of molybdenum aluminium molybdenum wire jumper is set on ito thin film includes：
Molybdenum aluminium molybdenum layer is sprayed on the ito thin film；
Fitted on the ito thin film the first dry film, first dry film covers the molybdenum aluminium molybdenum layer；
Uv-exposure is carried out to first dry film according to the shape of the molybdenum aluminium molybdenum wire jumper, and to described the after uv-exposure
One dry film is developed, and the first dry film reacted is protected to the molybdenum aluminium molybdenum layer；
The molybdenum aluminium molybdenum layer do not protected by first dry film is etched away using molybdenum aluminium-molybdenum etching liquid；
Peel off first dry film reacted.
3. the manufacturing process of touch-screen according to claim 2, it is characterised in that sprayed on the ito thin film described
The temperature of molybdenum aluminium molybdenum layer is 22~28 DEG C, and spraying rate is 3.2~3.8m/min, and spray pressure is 0.36~0.42MPa.
4. the manufacturing process of touch-screen according to claim 3, it is characterised in that fitted on the ito thin film described
The temperature of first dry film is 108~112 DEG C, and rolling patch speed is 2.3~2.7m/min, and rolling pressing power is 0.33~0.37MPa.
5. the manufacturing process of touch-screen according to claim 3, it is characterised in that ultraviolet expose is carried out to first dry film
The uv energy of light is 75MJ/cm2, the time is 5~7s.
6. the manufacturing process of touch-screen according to claim 3, it is characterised in that the speed of the first dry film development is
3.8~4.2m/min.
7. the manufacturing process of touch-screen according to claim 3, it is characterised in that carve and do not protected by first dry film
The molybdenum aluminium molybdenum layer speed be 3.8~4.2m/min.
8. the manufacturing process of touch-screen according to claim 1, it is characterised in that print multiple on the ito thin film
The step of insulative bridge, includes：
Photosensitive type insulation glue-line is printed on the ito thin film, and pre-baked, uv-exposure, development are carried out to the insulation glue-line
Admittedly bake.
9. the manufacturing process of touch-screen according to claim 8, it is characterised in that print described on the ito thin film
Photosensitive type insulation glue-line scraper pressure be 28~32Kgf, scraper speed be 118~123mm/min, half tone mesh number be 500~
550 mesh, print thickness is 2~3 μm.
10. the manufacturing process of touch-screen according to claim 1, it is characterised in that the ito thin film includes PET base material
With the ITO coatings located at the PET base material upper surface；The a plurality of X electrode is etched on the ito thin film and a plurality of described
The step of Y electrode is：
Shrink burin-in process is carried out to the ito thin film, until the PET base material and the ITO coatings are fully crystallized；
Fitted on the ito thin film the second dry film, second dry film covers the ITO coatings；
According to the shape of the X electrode and the Y electrode to second dry film carry out uv-exposure, and to uv-exposure after
Second dry film is developed, and the second dry film reacted is protected to the ITO coatings；
The ITO coatings do not protected by second dry film are etched away using etching solution；
Peel off second dry film reacted.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108539055A (en) * | 2018-04-19 | 2018-09-14 | 信利半导体有限公司 | A kind of production method and OLED products of OLED products |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108539055A (en) * | 2018-04-19 | 2018-09-14 | 信利半导体有限公司 | A kind of production method and OLED products of OLED products |
| CN108539055B (en) * | 2018-04-19 | 2019-10-08 | 信利半导体有限公司 | A kind of production method and OLED product of OLED product |
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