CN207408928U - A kind of capacitance plate - Google Patents
A kind of capacitance plate Download PDFInfo
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- CN207408928U CN207408928U CN201721454371.2U CN201721454371U CN207408928U CN 207408928 U CN207408928 U CN 207408928U CN 201721454371 U CN201721454371 U CN 201721454371U CN 207408928 U CN207408928 U CN 207408928U
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- conductive film
- transparent conductive
- aqueous
- capacitance plate
- colloid
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Abstract
The utility model provides a kind of novel capacitance screen, including cover-plate glass, flexible PCB FPC, upper and lower two layers of transparent conductive film, it is bonded between upper and lower two layers of transparent conductive film by aqueous or non-aqueous optics colloid, it is Nian Jie by aqueous or non-aqueous optics colloid between the cover-plate glass and upper strata transparent conductive film；The flexible PCB FPC is mounted between upper and lower two layers of transparent conductive film.The emission layer of capacitance plate provided by the utility model and the distance of receiving layer are very near, and touch accuracy is very high, and capacitance plate bonding process simplifies, and production cost is greatly reduced, improves production efficiency.
Description
Technical field
The utility model is related to a kind of capacitance plates.
Background technology
Touch-screen is a kind of absolute positioning system for 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 emission layer, adhered layer, receiving 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 numerous and diverse, raw
Many harmful substances can be generated during production, operating personnel and environment can be damaged or destroyed.In view of this, it is necessary to
The structure of preparation method and its tactile touch-screen to existing touch-screen is improved, to solve the above problems.
The content of the invention
Existing in the prior art to solve the problems, such as, the utility model provides a kind of novel capacitance screen, the emission layer of capacitance plate
Very near with the distance of receiving layer, touch accuracy is very high.
Capacitance plate provided by the utility model, including cover-plate glass, flexible PCB FPC, upper and lower two layers of transparent conductive film,
It is bonded between upper and lower two layers of transparent conductive film by aqueous or non-aqueous optics colloid, the cover-plate glass and upper strata electrically conducting transparent
It is bonded between film by aqueous or non-aqueous optics colloid；The flexible PCB FPC is mounted on upper and lower two layers of transparent conductive film
Between.Aqueous or non-aqueous light is utilized between emission layer that the utility model is made of upper and lower two layers of transparent conductive film, receiving layer
It learns colloid to be bonded, the distance of emission layer and receiving layer is very near, and touch accuracy is very high.Due to the utility model using aqueous or
Non-aqueous optics colloid bonding, compared with the prior art using OCA optics glues for, bonding process simplifies, will be original
Tens procedures greatly reduce, and so as to which production cost is greatly reduced, improves production efficiency, used equipment and instrument are all
Very simple, cost of investment is low, and production process will not generate harmful substance, to operating personnel and environment without any injury or
Person destroys.
Described in the utility model aqueous or non-aqueous optics colloid is coated on the two sides of substrate, cover-plate glass and electrically conducting transparent
Film and/or, be bonded between upper and lower two layers of transparent conductive film by substrate.By the way that aqueous or non-aqueous optics colloid is applied in advance
Cloth is pasted in substrate when making capacitance plate with substrate, simple and convenient.
To reduce capacitance plate thickness, for being bonded the aqueous or non-aqueous optical cement of cover-plate glass and upper strata transparent conductive film
Body is pre-coated at the back side of cover-plate glass, alternatively, being pre-coated in the front of upper strata transparent conductive film, cover-plate glass or transparent
Conductive film becomes the substrate of aqueous or non-aqueous optics colloid, reduces the use of one layer of substrate.It can also will be used for stickup
The aqueous or non-aqueous optics colloid of lower two layers of transparent conductive film is pre-coated with applying at the back side of upper strata transparent conductive film or in advance
Cloth also just reduces the use of one layer of substrate between the front of lower floor's transparent conductive film, upper and lower two layers of transparent conductive film so that
The distance between two layers transparent conductive film is very small, improves touch accuracy.
To be further reduced capacitance plate thickness, aqueous or non-aqueous optics colloid is pre-coated with being located at cover-plate glass and lower floor
The front and the back side of upper strata transparent conductive film between transparent conductive film, utilize the glue positioned at upper strata transparent conductive film tow sides
Body realizes cover-plate glass, the bonding of two layers transparent conductive film.
Aqueous optics colloid described in the utility model is hydrogel.Non-aqueous optics colloid composition includes acrylic acid groups tree
Fat；The compound of ether group or alcohol groups；Aliphatic functional group；Methyl polybutadiene；Alkyd resin；Cyanoacrylate
Deng.The transparent conductive film of the utility model is nano-silver conductive film, grapheme conductive film, metal grill conductive film or ITO are conductive
Film.Electrically conducting transparent film is printed with conductive silver paste.Electrically conducting transparent film is coated with transparent insulation ink, the transparent insulation
Ink is UV cured printing inks or thermo-cured ink.
The utility model is using aqueous or non-aqueous optics colloid adhesive cover glass sheet and transparent conductive film, and capacitance plate is because of hair
It is very near to penetrate the distance of layer and receiving layer, so touch accuracy is very high, colloid is particularly coated directly onto to upper strata is transparent to lead
The tow sides of electrolemma so that capacitance plate thickness greatly reduces.The fitting made based on the improvement to capacitive screen structure, capacitance plate
Process simplifies, and tens original procedures are greatly reduced, so as to which production cost is greatly reduced, improves production efficiency.It is raw
Production process will not generate harmful substance to operating personnel and environment without any injury or destruction, used equipment and work
Tool is all very simple, and cost of investment is low.
Description of the drawings
Fig. 1 is one schematic diagram of embodiment；
Fig. 2 is two schematic diagram of embodiment；
Fig. 3 is three schematic diagram of embodiment；
Fig. 4 is example IV schematic diagram；
Fig. 5 is five schematic diagram of embodiment；
In figure：1- cover-plate glass；The substrate of 2- double spread colloids；3- transparent conductive films；4-FPC；5-ACF；6- is transparent
Conductive film (front coating colloid)；7- cover-plate glass (backsize colloid)；8- transparent conductive films (double spread colloid).
Specific embodiment
Embodiment one：
As shown in Figure 1, capacitance plate includes cover-plate glass 1, upper and lower two layers of transparent conductive film 3, flexible PCB FPC 4, lid
Pass through the substrate 2 of double spread colloid between glass sheet 1 and upper strata transparent conductive film and between upper and lower two layers of transparent conductive film
Bonding, the tow sides of substrate are all coated with aqueous or non-aqueous optics colloid, and PET film, PI films etc. may be employed in substrate.It is flexible
Circuit board FPC 4 is arranged between two layers of transparent conductive film up and down, is installed by anisotropy conductiving glue ACF 5.
Embodiment two：
As shown in Fig. 2, capacitance plate includes cover-plate glass (backsize colloid) 7, upper and lower two layers of transparent conductive film 3, flexibility
Circuit board FPC 4, the backsize of cover-plate glass (backsize colloid) 7 is aqueous or non-aqueous optics colloid, the cover-plate glass (back of the body
Face is coated with colloid) it can directly be pasted between 7 and upper strata transparent conductive film, by two-sided between upper and lower two layers of transparent conductive film
The substrate 2 of coating colloid is bonded, and the tow sides of substrate are all coated with aqueous or non-aqueous optics colloid.Flexible PCB FPC
4 are arranged between two layers of transparent conductive film up and down, are installed by anisotropy conductiving glue ACF 5.
Embodiment three：
As shown in figure 3, capacitance plate include cover-plate glass 1, transparent conductive film (front coating colloid) 6, transparent conductive film 3,
Flexible PCB FPC 4, the front of transparent conductive film (front coating colloid) 6 apply fabric aqueous or non-aqueous optics colloid, cover board
It is directly be bonded between glass 1 and transparent conductive film (front coating colloid) 6, transparent conductive film (front coating colloid) 6 with it is transparent
It is bonded between conductive film 3 by the substrate 2 of double spread colloid, the tow sides of substrate are all coated with aqueous or non-aqueous optics
Colloid.Flexible PCB FPC 4 is arranged between two layers of transparent conductive film up and down, is installed by anisotropy conductiving glue ACF 5.
Example IV：
As shown in figure 4, capacitance plate includes cover-plate glass 1, upper and lower two layers of transparent conductive film (front coating colloid) 6, flexibility
Circuit board FPC 4, since the front of transparent conductive film (front coating colloid) 6 applies fabric aqueous or non-aqueous optics colloid, cover board
It can be directly be bonded between glass and upper strata transparent conductive film, two layers of transparent conductive film.Flexible PCB FPC 4 is arranged on
Between lower two layers of transparent conductive film, installed by anisotropy conductiving glue ACF 5.
Embodiment five：
As shown in figure 5, capacitance plate include cover-plate glass 1, transparent conductive film (double spread colloid) 8, transparent conductive film 3,
Flexible PCB FPC 4, since the tow sides of transparent conductive film (double spread colloid) 8 all apply fabric aqueous or non-aqueous optics
Glue so that can be directly be bonded between cover-plate glass 1, transparent conductive film 3 and transparent conductive film (double spread colloid) 8.It is flexible
Circuit board FPC 4 is arranged between two layers of transparent conductive film up and down, is installed by anisotropy conductiving glue ACF 5.
Capacitance plate provided by the utility model, fitting process is greatly simplified, improves binding yield, and can be more simple
Realize that product is reprocessed, specific implementation process is as follows：
1st, tile the good transparent conductive film with colloid, and spray water or other organic solvents cause colloid on nesa coating
Viscosity decline or temporary lose.Transparent conductive film includes nano-silver conductive film, grapheme conductive film, metal grill conductive film
And ITO conductive films.
2nd, colloid, but not exclusively drying are slightly dried so that water or the viscosity of organic solvent volatilization but colloid is not also complete
It is complete to recover.
3rd, the surface with glue of transparent conductive film is moved to the glass position that is bonded of needs and aligned.
4th, the scraper of screen printer or the idler wheel of laminating machine is used to squeeze and attach transparent conductive film and glass so that transparent lead
Remaining moisture or solvent are extruded and recover the partial cohesive of colloid in electrolemma.
5th, the viscosity of colloid is recovered using the remaining moisture of stove-drying or solvent and completely.
The attaching process that the utility model uses be suitable for it is soft to it is soft be bonded, it is soft to hard fitting and firmly to hard patch
It closes.
The utility model realizes the preparation of touch-screen by the following method, includes the following steps：
1st, nano silver transparent conductive film, the side of transparent conductive film are coated on the transparent bases such as PET, PI or glass
Hindering scope includes 5-100 Ω/sq.
2nd, conductive silver paste is printed in the product surface of transparent conductive film.The coating method of conductive silver paste includes printing silver
Slurry, inkjet printing silver paste or ultrasound spraying silver paste.
3rd, the conductive pel pattern of capacitive touch screen emission layer is made using the method for laser or chemistry.
4th, the product surface coating of conductive pel pattern or one layer of dielectric ink are being made.Dielectric ink cures including UV
Ink or thermo-cured ink.
5th, coated transparent conductive film backsize is aqueous or non-aqueous colloid.Colloid can pass through screen printing
Brush, transfer, coating, spraying and other modes are evenly distributed in the front or the back side of conductive film.
6th, the action for repeating 1-5 steps makes the conductive pel pattern of capacitive touch screen receiving layer.
7th, the product of emission layer, the product of receiving layer and cover-plate glass are fit together and finally constitutes capacitance plate.
The utility model is particularly suitable for large scale capacitance plate, such as intelligent blackboard.In particular by aqueous colloidal such as water
During gel, be easy to be bonded, handled without deaeration, terminal device is facilitated to produce, due to hydrogel viscosity can by solvent or
The mode of person's high temperature removes, so if it find that fitting is bad, can remove and do over again, will not cause to waste.
Claims (10)
1. a kind of capacitance plate, including cover-plate glass, flexible PCB FPC, upper and lower two layers of transparent conductive film, it is characterised in that：On
It is bonded between lower two layers of transparent conductive film by aqueous or non-aqueous optics colloid, the cover-plate glass and upper strata transparent conductive film
Between pass through aqueous or non-aqueous optics colloid be bonded；The flexible PCB FPC be mounted on upper and lower two layers of transparent conductive film it
Between.
2. capacitance plate as described in claim 1, it is characterised in that：Described aqueous or non-aqueous optics colloid is coated on substrate
Two sides, cover-plate glass and transparent conductive film and/or, be bonded between upper and lower two layers of transparent conductive film by substrate.
3. capacitance plate as described in claim 1, it is characterised in that：For being bonded the water of cover-plate glass and upper strata transparent conductive film
Property or non-aqueous optics colloid are pre-coated at the back side of cover-plate glass, alternatively, being pre-coated in upper strata transparent conductive film just
Face.
4. capacitance plate as described in claim 1, it is characterised in that：For pasting the aqueous or non-of upper and lower two layers of transparent conductive film
Aqueous optics colloid is pre-coated at the back side of upper strata transparent conductive film or is pre-coated in the front of lower floor's transparent conductive film.
5. capacitance plate as described in claim 1, it is characterised in that：Aqueous or non-aqueous optics colloid is pre-coated with being located at cover board
The front and the back side of upper strata transparent conductive film between glass and lower floor's transparent conductive film.
6. the capacitance plate as described in claim 1-5 any claims, it is characterised in that：The aqueous optics colloid is water-setting
Glue.
7. the capacitance plate as described in claim 1-5 any claims, it is characterised in that：Transparent conductive film is nano-silver conductive
Film, grapheme conductive film, metal grill conductive film or ITO conductive films.
8. the capacitance plate as described in claim 1-5 any claims, it is characterised in that：Electrically conducting transparent film, which is printed with, to be led
Electric silver paste.
9. the capacitance plate as described in claim 1-5 any claims, it is characterised in that：Electrically conducting transparent film is coated with
Bright dielectric ink.
10. capacitance plate as claimed in claim 9, it is characterised in that：The transparent insulation ink is UV cured printing inks or thermosetting
Carburetion ink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721454371.2U CN207408928U (en) | 2017-11-03 | 2017-11-03 | A kind of capacitance plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721454371.2U CN207408928U (en) | 2017-11-03 | 2017-11-03 | A kind of capacitance plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207408928U true CN207408928U (en) | 2018-05-25 |
Family
ID=62318084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721454371.2U Active CN207408928U (en) | 2017-11-03 | 2017-11-03 | A kind of capacitance plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207408928U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109298803A (en) * | 2018-12-12 | 2019-02-01 | 顾氏纳米科技（浙江）有限公司 | Nano Silver touch screen and preparation method thereof |
| US11547001B2 (en) | 2020-02-28 | 2023-01-03 | Haier Us Appliance Solutions, Inc. | Consumer appliance and touch panel interface |
-
2017
- 2017-11-03 CN CN201721454371.2U patent/CN207408928U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109298803A (en) * | 2018-12-12 | 2019-02-01 | 顾氏纳米科技（浙江）有限公司 | Nano Silver touch screen and preparation method thereof |
| US11547001B2 (en) | 2020-02-28 | 2023-01-03 | Haier Us Appliance Solutions, Inc. | Consumer appliance and touch panel interface |
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