CN207337376U - A kind of critical print structure of circuit of touch panel - Google Patents
A kind of critical print structure of circuit of touch panel Download PDFInfo
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- CN207337376U CN207337376U CN201721126932.6U CN201721126932U CN207337376U CN 207337376 U CN207337376 U CN 207337376U CN 201721126932 U CN201721126932 U CN 201721126932U CN 207337376 U CN207337376 U CN 207337376U
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- circuit
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- anisotropic conductive
- touch panel
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Abstract
It the utility model is related to a kind of critical print structure of circuit of touch panel, the contact panel includes anisotropic conductive film, anisotropic conductive film is equipped with metal routing, metal routing forms pin outside the anisotropic conductive film, on the metal routing overlay region is equipped with the anisotropic conductive film edge covered with dielectric ink layer, the insulating oil layer of ink；The overlay region covers the pin unbundling area.The utility model is at designed lines area and the critical printing in pin unbundling area, there are the circuit of corrosion risk and pin unbundling position increase insulating layer, avoid damage of the extraneous corrosive medium to circuit, mitigate impact of the extraneous corrosive medium to circuit, mitigate the circuit extent of damage, lift circuit resistance to corrosion.
Description
Technical field
A kind of critical print structure of circuit of touch panel is the utility model is related to, belongs to control panel manufacture technology field.
Background technology
With the development of science and technology, vehicular touch screen is fitted with many vehicles, for realizing some common vehicle auxiliary
The control of function.At present, vehicular touch screen module is due to installing inside the vehicle, and temperature and humidity changes greatly, use environment
It is required that more harsh, common design is difficult to meet requirement, and touch-screen module line areas is copper or silver metal routing, and
Close to product edge, extraneous moisture, the influence of temperature environment factor are easily received, there is the risk that is corroded in circuit, though vehicle-mounted product
Reliability test so is waited by hot and humid, but the situation of line areas corrosion often occurs, once circuit is corroded, easily
Cause touch function bad, touch entirely ineffective when serious, shorten the service life of product, reduce terminal client is satisfied with journey
Degree.
Utility model content
The utility model in view of the deficienciess of the prior art, provide a kind of circuit of touch panel critical print structure,
Line areas and PIN angles unbundling area increase protection ink, mitigate impact of the extraneous corrosive medium to circuit, mitigate circuit and be damaged journey
Degree, lifts circuit resistance to corrosion.
The technical solution that the utility model solves above-mentioned technical problem is as follows：A kind of critical printing knot of circuit of touch panel
Structure, the contact panel include anisotropic conductive film, and anisotropic conductive film is equipped with metal routing, and metal routing is described
Pin is formed outside anisotropic conductive film, covered with dielectric ink layer, the insulating oil layer of ink and institute on the metal routing
State anisotropic conductive film edge and be equipped with overlay region；The overlay region covers the pin unbundling area.
A kind of critical print structure of circuit of touch panel as described above, the anisotropic conductive film include conducting particles
With insulation glue material, the conducting particles uses metal dust or high molecule plastic ball surface coating metal, and the insulation glue material is adopted
Use thermosetting resin.Anisotropic conductive film is to be coated with to be bonded between a kind of base material a and base material b, and current limit can only be by vertical
Axis z directions circulate in a kind of special coating substance between base material a, b, have unilateal conduction and glued fixed function concurrently, can be with
The microscopic wire connectivity problem that some conventional connectors can not be handled is solved, belongs to the prior art.
A kind of critical print structure of circuit of touch panel as described above, the width of the overlay region is 0.3 to 0.4 milli
Rice.Insulating oil layer of ink is equipped with overlay region with anisotropic conductive film edge, ensures that pin does not have steam entrance, extends touch surface
Plate service life.
A kind of critical print structure of circuit of touch panel as described above, presses on the anisotropic conductive film flexible
Circuit board.Flexible PCB is that have height reliability to be a kind of made of base material using polyimides or polyester film, excellent
Flexible printed circuit, has the characteristics that Distribution density is high, light-weight, thickness is thin, bending is good.
A kind of critical print structure of circuit of touch panel as described above, the critical print structure are applied in vehicle-mounted capacitance
Formula touch-screen module.The critical print structure use of circuit of touch panel is adapted to the more severe ring of vehicle in vehicle-mounted product
Border, prolongs the service life, and ensures performance.
The beneficial effects of the utility model are：Contact panel includes anisotropic conductive film, is set on anisotropic conductive film
There is a metal routing, metal routing forms pin outside anisotropic conductive film, covered with dielectric ink layer on metal routing, absolutely
Edge ink layer is equipped with overlay region with anisotropic conductive film edge；Overlay region covering pin unbundling area.The utility model is being set
When counting line areas and the critical printing in pin unbundling area, there are the circuit of corrosion risk and the increase insulation of pin unbundling position
Layer, avoids damage of the extraneous corrosive medium to circuit, mitigates impact of the extraneous corrosive medium to circuit, mitigates circuit and be damaged journey
Degree, lifts circuit resistance to corrosion.
Brief description of the drawings
Fig. 1 covers dielectric ink schematic diagram for the critical print structure overlay region of circuit of touch panel；
Fig. 2 covers dielectric ink schematic diagram for the critical print structure metal routing of circuit of touch panel.
Embodiment
To enable the above-mentioned purpose of the utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings to this
The embodiment of utility model is described in detail.Elaborate many details in order to abundant in the following description
Understand the utility model.But the utility model can be much to implement different from other manner described here, this area
Technical staff can do similar improvement in the case of without prejudice to the utility model connotation, therefore the utility model is from following public affairs
The limitation for the specific embodiment opened.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to the technology of the utility model
The normally understood implication of technical staff in domain is identical.It is simply in the term used in the description of the utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein "and/or" bag
Include the arbitrary and all combination of one or more relevant Listed Items.
As shown in Figure 1 and Figure 2, the critical print structure of a kind of circuit of touch panel, contact panel include anisotropic conductive film
1, anisotropic conductive film 1 is equipped with metal routing 2, and metal routing 2 forms pin 3, metal outside anisotropic conductive film 1
On cabling 2 overlay region 5 is equipped with 1 edge of anisotropic conductive film covered with dielectric ink layer 4, insulating oil layer of ink 4；Overlay region 5
Cover 3 unbundling area of pin.
In one embodiment of the critical print structure of circuit of touch panel, anisotropic conductive film 1 include conducting particles and
Insulate glue material, and conducting particles uses metal dust or high molecule plastic ball surface coating metal, and insulation glue material uses thermosetting property tree
Fat.Anisotropic conductive film 1 is to be coated with to be bonded between a kind of base material a and base material b, and current limit can only be flowed by vertical axis z directions
Pass through a kind of special coating substance between base material a, b, have unilateal conduction and glued fixed function concurrently, can solve some with
The microscopic wire connectivity problem that can not be handled toward connector, belongs to the prior art.
In one embodiment of the critical print structure of circuit of touch panel, the width of overlay region 5 is 0.3 to 0.4 millimeter.Absolutely
Edge ink layer 4 is equipped with overlay region 5 with 1 edge of anisotropic conductive film, ensures that pin 3 does not have steam entrance, extends touch surface
Plate service life.
In one embodiment of the critical print structure of circuit of touch panel, flexible electricity is pressed on anisotropic conductive film 1
Road plate.Flexible PCB is that have height reliability to be a kind of made of base material using polyimides or polyester film, and excellent can
Flexible print wiring board, has the characteristics that Distribution density is high, light-weight, thickness is thin, bending is good.
In one embodiment of the critical print structure of circuit of touch panel, critical print structure is applied in vehicle-mounted capacitive touch
Touch screen module.The critical print structure use of circuit of touch panel is adapted to vehicle more rugged environment, prolongs in vehicle-mounted product
Long life, ensures performance.
The utility model includes anisotropic conductive film 1, and anisotropic conductive film 1 is equipped with metal routing 2, metal routing
2 form pin 3 outside anisotropic conductive film 1, covered with dielectric ink layer 4 on metal routing 2, insulating oil layer of ink 4 with it is different
1 edge of side's property conductive adhesive film is equipped with overlay region 5；Overlay region 5 covers 3 unbundling area of pin.The utility model is in designed lines area
During printing critical with 3 unbundling area of pin, there are the circuit of corrosion risk and 3 unbundling position of pin increase insulating layer, keep away
Damage of the extraneous corrosive medium to circuit is exempted from, has mitigated impact of the extraneous corrosive medium to circuit, mitigate the circuit extent of damage, carry
Rise circuit resistance to corrosion.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the utility model, its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (5)
1. a kind of critical print structure of circuit of touch panel, the contact panel includes anisotropic conductive film, and anisotropy is conductive
Glued membrane is equipped with metal routing, and metal routing forms pin outside the anisotropic conductive film, it is characterised in that：The gold
Belong to and be equipped with overlay region with the anisotropic conductive film edge covered with dielectric ink layer, the insulating oil layer of ink on cabling；Institute
State overlay region and cover the pin unbundling area.
A kind of 2. critical print structure of circuit of touch panel according to claim 1, it is characterised in that：The anisotropy is led
Electric glued membrane includes conducting particles and insulation glue material, and the conducting particles is using metal dust or high molecule plastic ball surface coating gold
Belong to, the insulation glue material uses thermosetting resin.
A kind of 3. critical print structure of circuit of touch panel according to claim 1, it is characterised in that：The overlay region
Width is 0.3 to 0.4 millimeter.
A kind of 4. critical print structure of circuit of touch panel according to claim 1, it is characterised in that：The anisotropy is led
Flexible circuit board is pressed on electric glued membrane.
A kind of 5. critical print structure of circuit of touch panel according to claim 1, it is characterised in that：The critical printing
Structure is applied in vehicle-mounted capacitive touch screen module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721126932.6U CN207337376U (en) | 2017-09-04 | 2017-09-04 | A kind of critical print structure of circuit of touch panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721126932.6U CN207337376U (en) | 2017-09-04 | 2017-09-04 | A kind of critical print structure of circuit of touch panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207337376U true CN207337376U (en) | 2018-05-08 |
Family
ID=62372320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721126932.6U Active CN207337376U (en) | 2017-09-04 | 2017-09-04 | A kind of critical print structure of circuit of touch panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207337376U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109739386A (en) * | 2019-01-08 | 2019-05-10 | 京东方科技集团股份有限公司 | Touch sensing, touch module and touch sensing crack detecting method |
| CN113407062A (en) * | 2021-07-14 | 2021-09-17 | 业成科技（成都）有限公司 | Display panel and terminal device |
-
2017
- 2017-09-04 CN CN201721126932.6U patent/CN207337376U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109739386A (en) * | 2019-01-08 | 2019-05-10 | 京东方科技集团股份有限公司 | Touch sensing, touch module and touch sensing crack detecting method |
| US11181999B2 (en) | 2019-01-08 | 2021-11-23 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Touch panel, touch module and method for detecting crack in touch panel |
| CN113407062A (en) * | 2021-07-14 | 2021-09-17 | 业成科技（成都）有限公司 | Display panel and terminal device |
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