CN203386198U - Capacitive touch panel - Google Patents

Capacitive touch panel Download PDF

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Publication number
CN203386198U
CN203386198U CN201320467199.XU CN201320467199U CN203386198U CN 203386198 U CN203386198 U CN 203386198U CN 201320467199 U CN201320467199 U CN 201320467199U CN 203386198 U CN203386198 U CN 203386198U
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CN
China
Prior art keywords
electrode layer
transparent electrode
transparent
control panel
capacitance type
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Expired - Lifetime
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CN201320467199.XU
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Chinese (zh)
Inventor
关赛新
李见松
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Nanchang OFilm Tech Co Ltd
Suzhou OFilm Tech Co Ltd
OFilm Group Co Ltd
Anhui Jingzhuo Optical Display Technology Co Ltd
Original Assignee
Nanchang OFilm Tech Co Ltd
Suzhou OFilm Tech Co Ltd
Shenzhen OFilm Tech Co Ltd
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Priority to CN201320467199.XU priority Critical patent/CN203386198U/en
Application granted granted Critical
Publication of CN203386198U publication Critical patent/CN203386198U/en
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Abstract

A capacitive touch panel comprises a transparent cover plate, a first transparent electrode layer, a transparent substrate and a second transparent electrode layer. The first transparent electrode layer is arranged on the transparent cover plate, and the transparent cover plate is a carrier of the first transparent electrode layer. One side of the transparent substrate is attached to the first transparent electrode layer. The second transparent electrode layer is arranged on the side, far away from the first transparent electrode layer, of the transparent substrate, and the transparent substrate is a carrier of the second transparent electrode layer. According to the capacitive touch panel, the first transparent electrode layer arranged on the transparent cover plate and the second transparent electrode layer arranged on the transparent substrate are the same in facing direction so that a face-to-back structure can be formed, a flexible printed circuit board can be bonded and connected to the capacitive touch panel in a one-time mode, meanwhile, in the capacitive touch panel, golden fingers of the flexible printed circuit board only need to be distributed on one side face of the capacitive touch panel, ACF only needs to be attached one time, and the efficiency in the manufacturing process is improved.

Description

Capacitance type touch-control panel
Technical field
The utility model relates to touch screen technology, particularly relates to a kind of capacitance type touch-control panel.
Background technology
Capacitance type touch-control panel is the capacitance variations of utilizing the electrostatical binding between transparency electrode and human body to produce, from produced its coordinate of electro-detection of inducing.Principle of induction acts on four corners of screen induction zone and forms a stationary electric field with voltage, when finger touches screen, can make electric field cause electric current, by controller, measures, and according to the difference of four angle ratios of current distance, can calculate contact position.
The capacitance type touch-control panel of traditional G1F structure (glass adds the last layer conducting film, and glass surface also has conducting film), it is comprised of transparent cover plate, the first transparent electrode layer, the second transparent electrode layer and transparency carrier etc.Transparent cover plate is as the carrier of the first transparent electrode layer, and transparency carrier is as the carrier of the second transparent electrode layer, so that the first transparent electrode layer and the second transparency electrode interlayer form aspectant structure.Because the first transparent electrode layer and the second transparency electrode interlayer are aspectant structure, caused the flexible PCB needs respectively with transparency carrier on the second transparent electrode layer to carry out nation fixed, and then carry out nation calmly with the first transparent electrode layer on transparent cover plate, the golden finger of flexible PCB must be distributed on two faces of flexible PCB, make ACF(Anisotropic Conductive Film, anisotropic conductive film) need to fit on flexible PCB at twice.Whole processing and manufacturing process is comparatively loaded down with trivial details, and efficiency is lower.
The utility model content
Based on this, be necessary to provide a kind of processing and manufacturing efficiency higher capacitance type touch-control panel.
A kind of capacitance type touch-control panel comprises:
Transparent cover plate;
The first transparent electrode layer, be arranged on described transparent cover plate the carrier that described transparent cover plate is the first transparent electrode layer;
Transparency carrier, one side and described the first transparent electrode layer fit; And
The second transparent electrode layer, be arranged on the side of described transparency carrier away from described the first transparent electrode layer the carrier that described transparency carrier is described the second transparent electrode layer.
In embodiment, also comprise transparent bonding coat therein, described transparent bonding coat is arranged between described the first transparent electrode layer and described transparency carrier, and described the first transparent electrode layer fits by described transparent bonding coat and described transparency carrier.
In embodiment, described transparent bonding coat is OCA optics glue-line therein.
In embodiment, also comprise protective seam therein, described protective seam is attached on the side of described the second transparent electrode layer away from described transparency carrier.
In embodiment, described protective seam is without the shadow glue-line therein.
In embodiment, described the first transparent electrode layer is ITO layer or wire netting compartment therein.
In embodiment, described the second transparent electrode layer is ITO layer or wire netting compartment therein.
In embodiment, described transparency carrier is the PET film therein.
In embodiment, described transparent cover plate is transparency glass plate therein.
In above-mentioned capacitance type touch-control panel, the capacitance type touch-control panel of itself and traditional GFF structure (glass adds two-layer conducting film) is similar, the second transparent electrode layer on being arranged at the first transparent electrode layer on transparent cover plate and being arranged at transparency carrier towards consistent, form the structure in the face of the back of the body, flexible PCB can be connected on capacitance type touch-control panel by disposable nation surely, simplify manufacture craft, improved the efficiency of processing and manufacturing.
Simultaneously, in traditional capacitance type touch-control panel, due to the face-to-face structure of its two conductive layers, the golden finger of flexible PCB need to be distributed on its two sides, causes ACF to be fitted at twice.And, in above-mentioned capacitance type touch-control panel, the golden finger of flexible PCB only need be distributed on the one side, ACF only need fit once, has further improved the efficiency of processing and manufacturing process.
In addition, in above-mentioned capacitance type touch-control panel, the first transparent electrode layer and the second transparent electrode layer are across transparency carrier and transparent bonding coat, its interval meets the desired minimum thickness of semiconductor fabrication process substantially, transparent bonding coat only need adopt common OCA optical cement to get final product, without thickening its thickness, make the thickness of capacitance type touch-control panel of the thickness of above-mentioned capacitance type touch-control panel and traditional G1F structure basically identical.
The accompanying drawing explanation
The structural drawing that Fig. 1 is the capacitance type touch-control panel in the utility model preferred embodiment.
Embodiment
For the ease of understanding the utility model, below with reference to relevant drawings, the utility model is described more fully.Provided better embodiment of the present utility model in accompanying drawing.But the utility model can be realized in many different forms, is not limited to embodiment described herein.On the contrary, providing the purpose of these embodiments is make disclosure of the present utility model is understood more comprehensively thorough.
It should be noted that, when element is called as " being fixed in " another element, can directly can there be element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may have centering elements simultaneously.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement just for illustrative purposes, do not mean it is unique embodiment.
Unless otherwise defined, all technology that this paper is used are identical with the implication that belongs to the common understanding of those skilled in the art of the present utility model with scientific terminology.The term used in instructions of the present utility model herein, just in order to describe the purpose of concrete embodiment, is not intended to be restriction the utility model.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
Refer to Fig. 1, the capacitance type touch-control panel 100 in the utility model preferred embodiment.Comprise transparent cover plate 110, the first transparent electrode layer 120, transparent bonding coat 130, transparency carrier 140, the second transparent electrode layer 150 and protective seam 160.
The first transparent electrode layer 120 is arranged on transparent cover plate 110.Transparent cover plate 110 is as the carrier of the first transparent electrode layer 120, and internal wiring is protected.The first transparent electrode layer 120 can be made by transparent conductive material.Specifically in the present embodiment, the first transparent electrode layer 120 is transparency glass plate, and the first transparent electrode layer 120 is ITO(Indium tin oxide, tin indium oxide) layer, it is formed on the first transparent electrode layer 120 at transparency glass plate by relevant ITO technique.
Be appreciated that the first transparent electrode layer 120 is not limited to the ITO layer, in other embodiments, the first transparent electrode layer 120 also can be the conductive layer of wire netting compartment or the formation of other transparent conductive material.
One side of transparency carrier 140 and the first transparent electrode layer 120 fit.Specifically in the present embodiment, transparency carrier 140 fits by transparent bonding coat 130 and the first transparent electrode layer 120.Transparent bonding coat 130 is OCA(Optical Clear Adhesive) the optics glue-line.
The second transparent electrode layer 150 is arranged on the side of transparency carrier 140 away from the first transparent electrode layer 120, the carrier that transparency carrier 140 is the second transparent electrode layer 150, and then make transparent cover plate 110, the first transparent electrode layer 120, transparent bonding coat 130, transparency carrier 140, the second transparent electrode layer 150 stack gradually.Specifically in the present embodiment, transparency carrier 140 is PET(Polyethylene terephthalate, polyethylene terephthalate) film.The second transparent electrode layer 150 is ITO layer or wire netting compartment.
In the capacitance type touch-control panel of traditional G1F structure, spacing between the first transparent electrode layer and the second transparent electrode layer need meet the requirement of semiconductor fabrication process, thickness between the first transparent electrode layer and the second transparent electrode layer need to be more than or equal to the desired minimum thickness of semiconductor fabrication process, therefore the thickness of the bonding coat added between the first transparent electrode layer and the second transparent electrode layer is thicker.And in above-mentioned capacitance type touch-control panel 100, the first transparent electrode layer 120 and the second transparent electrode layer 150 are across transparency carrier 140 and transparent bonding coat 130, its interval meets the desired minimum thickness of semiconductor fabrication process substantially, 130 of transparent bonding coats need to adopt common OCA optical cement to get final product, without thickening its thickness, make the thickness of capacitance type touch-control panel of the thickness of above-mentioned capacitance type touch-control panel 100 and traditional G1F structure basically identical.
Protective seam 160 is attached on the side of the second transparent electrode layer 150 away from transparency carrier 140, so that the second transparent electrode layer 150 is protected, makes it not to be exposed among air.Specifically in the present embodiment, protective seam 160 is without the shadow glue-line.Be appreciated that and install on the electron devices such as mobile phone when capacitance type touch-control panel 100, and its sealing is when enough good, protective seam 160 can save.
In above-mentioned capacitance type touch-control panel 100, the capacitance type touch-control panel of itself and traditional GFF structure (glass adds two-layer conducting film) is similar, the second transparent electrode layer 150 on being arranged at the first transparent electrode layer 120 on transparent cover plate 110 and being arranged at transparency carrier 140 towards consistent, form the structure in the face of the back of the body, flexible PCB can be connected on capacitance type touch-control panel 100 surely by disposable nation, simplify manufacture craft, improved the efficiency of processing and manufacturing.
Simultaneously, in traditional capacitance type touch-control panel, due to the face-to-face structure of its two conductive layers, the golden finger of flexible PCB need to be distributed on its two sides, causes ACF to be fitted at twice.And, in above-mentioned capacitance type touch-control panel 100, the golden finger of flexible PCB only need be distributed on its a side, ACF only need fit once, has further improved the efficiency of processing and manufacturing process.
In addition, in above-mentioned capacitance type touch-control panel 100, the first transparent electrode layer 120 and the second transparent electrode layer 150 are across transparency carrier 140 and transparent bonding coat 130, its interval meets the desired minimum thickness of semiconductor fabrication process substantially, 130 of transparent bonding coats need to adopt common OCA optical cement to get final product, without thickening its thickness, make the thickness of capacitance type touch-control panel of the thickness of above-mentioned capacitance type touch-control panel 100 and traditional G1F structure basically identical.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.

Claims (9)

1. a capacitance type touch-control panel, is characterized in that, comprising:
Transparent cover plate;
The first transparent electrode layer, be arranged on described transparent cover plate the carrier that described transparent cover plate is the first transparent electrode layer;
Transparency carrier, one side and described the first transparent electrode layer fit; And
The second transparent electrode layer, be arranged on the side of described transparency carrier away from described the first transparent electrode layer the carrier that described transparency carrier is described the second transparent electrode layer.
2. capacitance type touch-control panel according to claim 1, it is characterized in that, also comprise transparent bonding coat, described transparent bonding coat is arranged between described the first transparent electrode layer and described transparency carrier, and described the first transparent electrode layer fits by described transparent bonding coat and described transparency carrier.
3. capacitance type touch-control panel according to claim 2, is characterized in that, described transparent bonding coat is OCA optics glue-line.
4. capacitance type touch-control panel according to claim 1, is characterized in that, also comprises protective seam, and described protective seam is attached on the side of described the second transparent electrode layer away from described transparency carrier.
5. capacitance type touch-control panel according to claim 4, is characterized in that, described protective seam is without the shadow glue-line.
6. capacitance type touch-control panel according to claim 1, is characterized in that, described the first transparent electrode layer is ITO layer or wire netting compartment.
7. capacitance type touch-control panel according to claim 1, is characterized in that, described the second transparent electrode layer is ITO layer or wire netting compartment.
8. capacitance type touch-control panel according to claim 1, is characterized in that, described transparency carrier is the PET film.
9. capacitance type touch-control panel according to claim 1, is characterized in that, described transparent cover plate is transparency glass plate.
CN201320467199.XU 2013-08-01 2013-08-01 Capacitive touch panel Expired - Lifetime CN203386198U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103744566A (en) * 2014-01-09 2014-04-23 苏州胜利精密制造科技股份有限公司 Capacitive touch screen
CN104020884A (en) * 2014-05-30 2014-09-03 南昌欧菲光科技有限公司 Touch substrate and manufacturing method thereof
CN104020885A (en) * 2014-05-30 2014-09-03 南昌欧菲光科技有限公司 Touch substrate and manufacturing method thereof
CN104020889A (en) * 2014-05-30 2014-09-03 南昌欧菲光科技有限公司 Touch substrate and manufacturing method thereof
CN104020888A (en) * 2014-05-30 2014-09-03 南昌欧菲光科技有限公司 Touch screen
CN107290082A (en) * 2016-04-11 2017-10-24 刘垚 A kind of capacitance type touch sensor
CN104020890B (en) * 2014-05-30 2017-11-21 南昌欧菲光科技有限公司 Touch-screen of the touch base plate with its preparation method and using the touch base plate

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103744566A (en) * 2014-01-09 2014-04-23 苏州胜利精密制造科技股份有限公司 Capacitive touch screen
CN104020884A (en) * 2014-05-30 2014-09-03 南昌欧菲光科技有限公司 Touch substrate and manufacturing method thereof
CN104020885A (en) * 2014-05-30 2014-09-03 南昌欧菲光科技有限公司 Touch substrate and manufacturing method thereof
CN104020889A (en) * 2014-05-30 2014-09-03 南昌欧菲光科技有限公司 Touch substrate and manufacturing method thereof
CN104020888A (en) * 2014-05-30 2014-09-03 南昌欧菲光科技有限公司 Touch screen
CN104020890B (en) * 2014-05-30 2017-11-21 南昌欧菲光科技有限公司 Touch-screen of the touch base plate with its preparation method and using the touch base plate
CN107290082A (en) * 2016-04-11 2017-10-24 刘垚 A kind of capacitance type touch sensor
CN107290082B (en) * 2016-04-11 2019-12-20 刘垚 Capacitive touch sensor

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 330000 Huang Jia Hu Road, Nanchang economic and Technological Development Zone, Nanchang, Jiangxi

Patentee after: Nanchang OFilm Tech. Co.,Ltd.

Patentee after: Ophiguang Group Co.,Ltd.

Patentee after: SUZHOU OFILM TECH Co.,Ltd.

Address before: 330000 Huang Jia Hu Road, Nanchang economic and Technological Development Zone, Nanchang, Jiangxi

Patentee before: Nanchang OFilm Tech. Co.,Ltd.

Patentee before: OFilm Tech Co.,Ltd.

Patentee before: SUZHOU OFILM TECH Co.,Ltd.

Address after: 330000 Huang Jia Hu Road, Nanchang economic and Technological Development Zone, Nanchang, Jiangxi

Patentee after: Nanchang OFilm Tech. Co.,Ltd.

Patentee after: OFilm Tech Co.,Ltd.

Patentee after: SUZHOU OFILM TECH Co.,Ltd.

Address before: 330000 Huang Jia Hu Road, Nanchang economic and Technological Development Zone, Nanchang, Jiangxi

Patentee before: Nanchang OFilm Tech. Co.,Ltd.

Patentee before: Shenzhen OFilm Tech Co.,Ltd.

Patentee before: SUZHOU OFILM TECH Co.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20210413

Address after: 231323 Building 1, precision electronics industrial park, Hangbu Town, Shucheng County, Lu'an City, Anhui Province

Patentee after: Anhui jingzhuo optical display technology Co.,Ltd.

Address before: 330000 Huang Jia Hu Road, Nanchang economic and Technological Development Zone, Nanchang, Jiangxi

Patentee before: Nanchang OFilm Tech. Co.,Ltd.

Patentee before: Ophiguang Group Co.,Ltd.

Patentee before: SUZHOU OFILM TECH Co.,Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20140108