CN207690059U - A kind of touch sensing and touch control film - Google Patents
A kind of touch sensing and touch control film Download PDFInfo
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- CN207690059U CN207690059U CN201820111254.4U CN201820111254U CN207690059U CN 207690059 U CN207690059 U CN 207690059U CN 201820111254 U CN201820111254 U CN 201820111254U CN 207690059 U CN207690059 U CN 207690059U
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- conductive film
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- transparent ink
- touch sensing
- ink layer
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Abstract
The utility model discloses a kind of touch sensing and touch control films, belong to capacitance touching control film field.The transparent ink layer of insulation is fitted on the conductive film of the touch sensing of the utility model, the pattern form of transparent ink layer is identical as the line pattern on conductive film.Conductive film can be bonded to be formed by the conductive film of two single sides, and each conduction single-faced conductive film is respectively provided with transparent ink layer, can also use double-sided conductive film, transparent ink layer is fitted in conductive film both sides.The touch control film of the utility model is made of cover board and touch sensing, when processing preparation, due to the transparent ink layer using insulation, demoulding technique is not needed when not only processing, simplify preparation process, and the transparent ink layer can be effectively increased the dielectric constant of touch sensing, improve touch-control performance.
Description
Technical field
The present invention relates to capacitance touching control technical field of membrane, more specifically to a kind of touch sensing, touch control film and touch
Control the preparation method of film.
Background technology
Touch-control input be widely used as a kind of new input medium, such as ticket machine, ATM devices, mobile phone,
Game machine etc..Touch panel includes contact panel sensor, to the contact position in contact panel sensor used in general
Set the control circuit being detected, wiring and FPC (flexible print substrates).In most cases, touch panel is as input medium
It is used together with display device.In such a device, contact panel sensor is configured on the display surface of the display device, thus
Display device can be directed to and carry out extremely directly input.
Touch membrane is a kind of absolute positioning system being very suitable for human-computer interaction, can realize the simple action of finger
Complete the complex operations of display interface.The basic structure of traditional capacitance screen is receiving layer, adhered layer, emission layer, adhered layer and lid
Glass sheet.But with the development of the products such as mobile terminal, wearable device, intelligent appliance, education blackboard, to the need of touch screen
It asks and is increasing, while the requirement to touch screen is also higher and higher.The requirement of large scale touch screen and demand are also increasing.
But traditional approach makes the complex procedures of capacitance plate, equipment is more and expensive, and liquid medicine used is more, process is complicated, raw
Many harmful substances are will produce during production, operating personnel and environment can be damaged or destroyed.With the development of science and technology,
Screen printing technique is well used in film-forming process.But in current filming technology, in order to be obtained on conductive film
Obtain printed circuit, it is still desirable to make line pattern using dielectric ink, and need etching, releasing process, tedious process.
Such as the manufacturing method of published novel capacitance type touch screen, (application number：201110252555.1), condenser type
Touch screen includes a level glass sheet, further includes two layers of PET film structural member for being coated with ITO conductive pattern layers and ag paste electrode,
Two layers of PET film structural member and one layer of face glass pass sequentially through optical cement and fit together.When making, although
Yellow light process is eliminated, it will be using demoulding technique removal ink layer but still unavoidable.
A kind of published capacitance touch screen cover board and its production technology (application number：201611268304.1), in order to
It solves the problems, such as that gap caused by ink step causes bubble to generate, is equipped with ink frame layer, ink frame on the glass substrate
Layer middle part hollow out simultaneously forms viewfinder area, and transparent ink layer is equipped in viewfinder area；In ink frame layer and transparent ink layer and conduction
Gelatine layer is equipped between layer；The periphery of conductive layer bottom surface is formed with silver slurry layer；The bottom surface of silver slurry layer forms organic transparent insulation material
The bed of material；The first protective film is equipped between conductive layer and silver slurry layer；Second protective film on insulating layer.The program existing substrate and
Cover board combines together, and production program unlike the prior art, although processing conductive film using photoetch, and utilizes clean oil
Ink eliminates air bubble problem, but does not propose preferable improvement project for the touch control film processing technology of current mainstream itself,
Relevant enlightenment can not be obtained.
In summary, the main technique of touch control film is the processing of touch sensing part, the i.e. etching of conductive film at present
Processing, how in the case where not reducing touch sensing performance optimization processing technology, be a great problem faced at present.
Invention content
1. technical problems to be solved by the inivention
It is an object of the invention to overcome the shortcomings of that touch sensing processing technology is complicated in the prior art, provides one kind
Touch sensing and touch control film.The touch sensing of the present invention is fitted with the transparent ink layer of insulation on conductive film, not only adds
Working hour does not need demoulding technique, and the transparent ink layer can be effectively increased the dielectric constant of touch sensing, improves tactile
Control performance.
Touch control film provided by the invention increases transparent ink layer between conductive film and cover board, keeps touch-control sensitiveer,
Its processing technology also eliminates unnecessary de-filming process, and processing technology, which obtains optimization, to be improved.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention is：
A kind of touch sensing of the present invention, including conductive film are fitted with the transparent ink layer of insulation on the conductive film,
The pattern form of transparent ink layer is identical as the line pattern on conductive film.
As further improvement of the present invention, the conductive film includes emission layer conductive film and receiving layer conductive film, and two
Layer conductive film makes the transparent ink layer on receiving layer conductive film be located between two layers of conductive film by transparent glue bond.
As further improvement of the present invention, the transparent adhesive tape is OCA glue or glue.
As further improvement of the present invention, the conductive film is double-sided conductive film, is fitted in conductive film both sides
Transparent ink layer.
As further improvement of the present invention, the transparent ink of insulation is printed on conductive film substrate, forms clean oil
Layer of ink, mode of printing are silk-screen printing, roller coating coating, spin coating, slit squeezing and coating cloth or dimple coating.
A kind of touch control film of the present invention, is mainly made of cover board and above-mentioned touch sensing, by transparent adhesive tape touch-control
Sensor is adhered on cover board, makes transparent ink layer between conductive film and cover board.
As further improvement of the present invention, the quadrangle of the cover board is fillet or right angle.
As further improvement of the present invention, the conductive film is mainly made of conductive material layer and pet substrate, conductive
Material layer is nano-silver conductive film, ITO conductive films, copper metal grid conductive film, silver metal grid conductive film.
A kind of preparation method of touch control film of the present invention, process are：
Step 1, the transparent ink that insulation is printed on conductive film substrate form transparent ink layer；
Step 2 is removed conductive material exposed on conductive film substrate using gas etch or corona engraving method, is formed
Line pattern；Used gas is acid either strong oxidizing property gas, such as formic acid gas, hydrogen chloride gas when gas etch
Body, ozone.Using intensive tiny electric shock by conductive material exposed part direct gasification when corona etches, and then form line map
Case.
Step 3 makes edge circuit using printing silver paste or copper-plating technique, forms receiving layer conductive film or emission layer is conductive
Film；
Step 4 repeats step 1-3, makes another layer of conductive film, and two layers of conductive film forms touch sensing；
Step 5 fits to touch sensing on cover board, forms touch control film.
As further improvement of the present invention, the conductive film is unilateral conductive film, and touch sensing is by two layers of conduction
Film is bonded.
As further improvement of the present invention, the conductive film is bilayer conductive film, is another in conductive film in step 4
The technique for stressing multiple step 1-3.
As further improvement of the present invention, transparent ink mode of printing described in step 1 is silk-screen printing, roller coating painting
Cloth, spin coating, slit squeezing and coating cloth or dimple coating.
3. advantageous effect
Using technical solution provided by the invention, compared with prior art, have the advantages that：
(1) present invention is fitted with the transparent ink layer of insulation on conductive film, passes through the pattern form of the transparent ink layer
The line pattern on conductive film substrate is processed, conductive film is formed；Due to being directly to carry out overlay film pattern using transparent conductive film
Processing, avoids demoulding technique when processing, and can optimize the dielectric constant of sensor by transparent ink layer, improves
Touch accuracy.
(2) there is transparent ink layer between touch control film cover plate of the invention and conductive film, improve the dielectric constant of product,
Touch-control sensitivity and precision are helped to improve,
(3) for the present invention when carrying out touch control film processing, master operation is the processing of touch sensing, since touch-control senses
After the etching, demoulding need not be carried out as the overlay film pattern processing before etching using transparent ink in device, enormously simplify and add
Work technique；In addition, using the exposed conductive material on gas etch or corona etching removal conductive film substrate, lost relative to laser
Quarter can preferably control etch depth.
Description of the drawings
Fig. 1 is the arrangement schematic diagram using layer-stepping conductive film and cover board；
Fig. 2 is the arrangement schematic diagram using double-sided conductive film and cover board.
Label declaration in schematic diagram：101, receiving layer conductive film；102, receiving layer transparent ink layer；103, transparent adhesive tape；
201, emission layer conductive film；202, emission layer transparent ink layer；300, cover board；401, double-sided conductive film；402, receiving layer is transparent
Ink layer；403, emission layer transparent ink layer.
Specific implementation mode
To further appreciate that present disclosure, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
A kind of touch sensing of the present embodiment, including conductive film are fitted with the transparent ink layer of insulation on conductive film, thoroughly
The pattern form of bright ink layer is identical as the line pattern on conductive film.Conductive film includes pet substrate and conductive material layer, can be with
Be by pet substrate coating film treatment obtain, current conductive film can be nano-silver conductive film, ITO conductive films, copper metal
Grid conductive film, silver metal grid conductive film etc..The pattern of transparent ink layer is obtained by printing, to be carried out according to the pattern
Etching removes the exposed part of conductive material on conductive film, corresponding conducting wire is obtained on conductive film.Transparent ink layer is
Alkalescent material, pH value are 7.1~8.2, can play the role of protection encapsulation, avoid being contaminated.
In conjunction with Fig. 1, conductive film can be single-faced conductive film, including receiving layer conductive film 101 and emission layer conductive film 201,
Two layers of conductive film is bonded by transparent adhesive tape 103, which is OCA glue, makes the transparent ink on emission layer conductive film 201
Layer is located between two layers of conductive film.There is receiving layer transparent ink layer 102 on receiving layer conductive film 101, on emission layer conductive film 201
There is emission layer transparent ink layer 202, is coated with transparent adhesive tape 103 at 101 back side of receiving layer conductive film, emission layer conductive film 201 carries
The side of emission layer transparent ink layer 202 fits on transparent adhesive tape 103, forms touch sensing basic building block.
Embodiment 2
In conjunction with Fig. 2, a kind of touch sensing of the present embodiment, basic structure is same as Example 1, and difference exists
In：It is double-sided conductive film 401 there was only one layer of conductive film, the conductive film in the present embodiment, is set respectively in 401 both sides of double-sided conductive film
Receiving layer transparent ink layer 402, emission layer transparent ink layer 403 are set, to form touch sensing basic building block.The present embodiment
In double-sided conductive film 401 be pet substrate material both sides carry out coating film treatment and obtain.
Embodiment 3
A kind of touch control film of the present embodiment, is mainly made of the touch sensing in cover board 300 and embodiment 1, reception
The side with receiving layer transparent ink layer 102 is fitted to by transparent adhesive tape 103 on cover board 300 on layer conductive film 101.It is main
Component is sequentially followed successively by cover board 300, transparent adhesive tape 103, receiving layer transparent ink layer 102, receiving layer conductive film 101, transparent adhesive tape
103, emission layer transparent ink layer 202, emission layer conductive film 201.
Embodiment 4
A kind of touch control film of the present embodiment, as different from Example 3, mainly by touching in cover board 300 and embodiment 2
Sensor composition is controlled, the side that double-sided conductive film 401 is fitted with receiving layer transparent ink layer 402 passes through transparent adhesive tape 103 and cover board
300 fittings.Its critical piece is sequentially followed successively by cover board 300, transparent adhesive tape 103, receiving layer transparent ink layer 102, double-sided conductive film
401, emission layer transparent ink layer 403.
Embodiment 5
A kind of preparation method of touch control film of the present embodiment prepares the touch control film with two-layer equation touch sensing, work
Skill process is：
Step 1, using unilateral conductive film as conductive film substrate, silk-screen printing is insulated on conductive film substrate clean oil
Ink forms receiving layer transparent ink layer 102.
Step 2 is removed conductive material exposed on conductive film substrate using gas etch method, forms line pattern.
Step 3 makes edge circuit using printing silver paste technique, forms receiving layer conductive film 101；
Step 4 repeats step 1-3, emission layer conductive film 201 is made with another conductive film substrate, in receiving layer conductive film
101 back sides brush transparent adhesive tape 103, emission layer conductive film 201 are fitted to receiving layer conductive film 101, two layers of conductive film composition touches
Control sensor.
Step 5 fits to touch sensing on cover board 200, forms touch control film.
The preparation method of the touch control film of the present embodiment, due to using transparent ink, after conductive material is gone out in etching, no
Demoulding technique is needed, it is simple for process.Processing for transparent ink pattern therein can use above-mentioned silk-screen printing,
Transparent ink pattern can also be made using modes such as roller coating coating, spin coating, slit squeezing and coating cloth or dimple coatings.
Embodiment 6
A kind of preparation method of touch control film of the present embodiment prepares the touch control film with two-layer equation touch sensing, work
Skill process is：
Step 1, using double-sided conductive film as conductive film substrate, in conductive film substrate side, silk-screen printing is insulated transparent
Ink forms receiving layer transparent ink layer 402.
Step 2 is removed conductive material exposed on conductive film substrate using gas etch method, forms line pattern.
Step 3 makes edge circuit using printing silver paste technique；
Step 4 repeats step 1-3, the fitting emission layer transparent ink layer 403 in 401 other side of double-sided conductive film, and removes
Exposed conductive material makes edge circuit using printing silver paste technique, forms touch sensing.
Step 5, the side for touch sensing being equipped with emission layer transparent ink layer 403 are adhered to glue on cover board 300,
Form touch control film.
The present embodiment can also substitute gas etch using corona etching, but prepare touch-control using double-sided conductive film
When sensor, laser-induced thermal etching should not be used.In a certain range, the energy of laser-induced thermal etching is difficult control, it is easy to cause to lose
It is larger to carve depth；When being etched in the double-sided conductive film other side, then it is breakdown to be easy to cause conductive film.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (8)
1. a kind of touch sensing, it is characterised in that：Including conductive film, the transparent ink of insulation is fitted on the conductive film
Layer, the pattern form of transparent ink layer are identical as the line pattern on conductive film.
2. a kind of touch sensing according to claim 1, it is characterised in that：The conductive film includes receiving layer conductive film
With emission layer conductive film, two layers of conductive film makes the transparent ink layer on emission layer conductive film be located at two layers by transparent glue bond
Between conductive film.
3. a kind of touch sensing according to claim 2, it is characterised in that：The transparent adhesive tape is OCA glue or glue.
4. a kind of touch sensing according to claim 1, it is characterised in that：The conductive film is double-sided conductive film,
Conductive film both sides are fitted with transparent ink layer.
5. a kind of touch sensing according to claim 1, it is characterised in that：The saturating of insulation is printed on conductive film substrate
Bright ink, forms transparent ink layer, and mode of printing is silk-screen printing, roller coating coating, spin coating, slit squeezing and coating cloth or dimple coating.
6. a kind of touch control film, it is characterised in that：Mainly by cover board and Claims 1-4 any one of them touch sensing group
At touch sensing is adhered on cover board by transparent adhesive tape, makes transparent ink layer between conductive film and cover board.
7. a kind of touch control film according to claim 6, it is characterised in that：The quadrangle of the cover board is fillet or right angle.
8. a kind of touch control film according to claim 6, it is characterised in that：The conductive film mainly by conductive material layer and
Pet substrate is constituted, and conductive material layer is nano-silver conductive film, ITO conductive films, copper metal grid conductive film, silver metal grid are led
Electrolemma.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820111254.4U CN207690059U (en) | 2018-01-23 | 2018-01-23 | A kind of touch sensing and touch control film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820111254.4U CN207690059U (en) | 2018-01-23 | 2018-01-23 | A kind of touch sensing and touch control film |
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| Publication Number | Publication Date |
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| CN207690059U true CN207690059U (en) | 2018-08-03 |
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ID=62991962
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820111254.4U Active CN207690059U (en) | 2018-01-23 | 2018-01-23 | A kind of touch sensing and touch control film |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110196652A (en) * | 2019-04-15 | 2019-09-03 | 顾氏纳米科技（浙江）有限公司 | A kind of novel touch module and its application |
| CN114501856A (en) * | 2021-12-13 | 2022-05-13 | 深圳市华鼎星科技有限公司 | Multi-layer conductive circuit, manufacturing method thereof and display module |
-
2018
- 2018-01-23 CN CN201820111254.4U patent/CN207690059U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110196652A (en) * | 2019-04-15 | 2019-09-03 | 顾氏纳米科技（浙江）有限公司 | A kind of novel touch module and its application |
| CN114501856A (en) * | 2021-12-13 | 2022-05-13 | 深圳市华鼎星科技有限公司 | Multi-layer conductive circuit, manufacturing method thereof and display module |
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