CN104597088A - Transparent electric conduction coating detection method based on film substrate - Google Patents
Transparent electric conduction coating detection method based on film substrate Download PDFInfo
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- CN104597088A CN104597088A CN201410082581.8A CN201410082581A CN104597088A CN 104597088 A CN104597088 A CN 104597088A CN 201410082581 A CN201410082581 A CN 201410082581A CN 104597088 A CN104597088 A CN 104597088A
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- transparent conducting
- conducting coating
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Abstract
The present invention provides a transparent electric conduction coating detection method based on a film substrate. The method comprises that the transparent electric conduction coating is printed on the film substrate, a sensor is arranged, and when the film printed with the transparent electric conduction coating passes through the sensor, whether the transparent electric conduction coating exists is judged according to the output value of the a control circuit. According to the present invention, the influence of the electric conduction coating on the electric field signal parameter is utilized, wherein the capacitor or inductance sensor is arranged, and the change of the capacitance or inductance value can be caused when the film printed with the electric conduction coating passes through the effective range, such that whether the electric conduction coating exists and is qualified can be real-timely and rapidly judged according to the change degree.
Description
Technical field
What the present invention relates to is a kind of detection method, particularly a kind of detection method of transparent conducting coating of based thin film base material of conductive coating.
Background technology
Along with getting more and more of smart machine, corresponding auxiliary function exploitation and application also get more and more, and wherein sticking film for mobile phone one of is exactly.
Although there are many advantages, existing pad pasting function is comparatively single, is confined to above-mentioned function, and as the smart machine at Man Machine Interface or interface and application, also has a lot of functions to develop.Particularly there is a lot of blank spaces at the edge of the display screen of user, wastes very much.Interactive window and operation interface do not have shortcut or shortcut yet in addition, can not carry out quick start-up and operation to conventional software or application.
Applicant has invented a kind of multi-functional pad pasting of transparent conducting coating of based thin film base material, it prints or is coated with transparent conducting coating on substrate layer, but is a technical matters being badly in need of solving for the quality control of this conductive coating in manufacture craft process.
Summary of the invention
The present invention is just to provide a kind of detection method of transparent conducting coating of based thin film base material, can detect real-time printing or the transparent conducting coating be coated on substrate layer.
The object of the invention is to be realized by technical scheme below:
A kind of detection method of transparent conducting coating of based thin film base material, be included on described film substrate and print described transparent conducting coating, one sensor is set, when the film being printed with described transparent conducting coating is by described sensor, judge whether described transparent conducting coating exists according to the output valve of control circuit.
Preferably, described film substrate is PET material.
Preferably, described sensor is capacitive transducer.
Preferably, described sensor is inductance sensor.
Further, described capacitive transducer is one.
Preferably, feedback and alarming device is also comprised.
Preferably, also micromatic setting is comprised.
Preferably, also comprise whether detect described transparent conducting coating according to the change of output valve qualified.
Preferably, described transparent conducting coating is combined by any one in electrically-conducting paint, electrically conductive ink or macromolecule conducting material or its.
Preferably, described transparent conducting coating is Nano Silver coating.
Like this, by above-mentioned technical scheme, just can reach such effect: by application transparent conducting coating on the impact of electric field signal parameter, judge whether transparent conducting coating exists and qualified real-time according to the change of electric capacity or inductance output valve.
Accompanying drawing explanation
Embodiment
Below detection method of the present invention is further detailed.
A kind of detection method of transparent conducting coating of based thin film base material, be included on described film substrate and print described transparent conducting coating, one sensor is set, when the film being printed with described transparent conducting coating is by described sensor, judge whether described transparent conducting coating exists according to the output valve of control circuit.
In the present embodiment, described film substrate is PET material.Certainly, also can be that any other can make the membraneous material of sticking film for mobile phone, as PP material, PVC material, ARM material.Also can be PE or PI film.Or the one that can be in glass, polyolefin, polyetherketone, polyimide (PI), polyethylene terephthalate (PET), polyacrylate, silicone, tygon, glass resin, polycarbonate, fluoropolymer, polyester, or the multipolymer of above material or potpourri or laminate.
In the present embodiment, described sensor is capacitive transducer.
Preferably, described sensor also can be inductance sensor.
Further, in embodiments of the present invention, described capacitive transducer is one, instead of the distribution of upper and lower both sides.
Preferably, feedback and alarming device is also comprised.
Preferably, also micromatic setting is comprised.
Described micromatic setting is finely tuned according to the output valve of described feedback assembly, when exceeding default threshold value, alarming device has pilot lamp and to light or described transparent conducting coating on film substrate described in voice message does not exist or size against regulation or thickness.
In embodiments of the present invention, also comprise whether detect described transparent conducting coating according to the change of output valve qualified.
Preferably, described transparent conducting coating is combined by any one in electrically-conducting paint, electrically conductive ink or macromolecule conducting material or its.
In embodiments of the present invention, described transparent conducting coating is Nano Silver coating.
In addition, described transparent conducting coating can also adopt and prepare based on conductive materials such as conducting polymer, carbon nano-tube, Graphene, electrospun nanofiber copper wire, type metal grid, nano-silver threads.This is wherein as conducting polymer composite PEDOT:PSS, but the usual conductance of this material is all lower, and absorptivity is high, especially in visible wavelength range; For another example its sheet resistance of transparent electrode material of preparing of carbon nano-tube material is up to 1000-5000ohm/sq.And this wherein, wherein performance is the most excellent to adopt the transparency electrode prepared based on silver nano material to be proved to be this, and it can also keep the electric property of 100ohm/sq while having 90% transmittance, surfacing simultaneously, resistance to bending, adhesion is good.Certainly, this transparent conducting coating also can be the potpourri composition of conducting polymer composite and nano silver material.
In the present embodiment, described nano-silver conductive coating is that being evenly coated on film substrate of dispersion liquid local of Nano Silver is formed after drying, by applying pressure, heat or both combinations to improve the conductance of nano-silver conductive coating.
Described capacitive transducer in the present embodiment, have employed the CM18 capacitive approach switch that the outstanding promise in Nantong is electric, it can not only detect metal, and can detect plastics, glass, water, wet goods material, because conductance and the specific inductive capacity of various detection material, water-intake rate are different.
Described preferred capacitance type sensor is using sensor itself as a pole plate, and the transparent conducting coating of the based thin film base material that target to be measured is namely described is as another one pole plate.Described capacitance type sensor and described transparent conducting coating are electrically connected control circuit to form the two-plate of electric capacity.A reference capacitance value preset by described control circuit, compare for real-time induced electricity capacitance that described capacitance type sensor and described transparent conducting coating are produced and reference capacitance value, induced electricity capacitance and reference capacitance value inconsistent time, export an induced signal as high level signal or low level signal or a concrete numerical value, whether to exist to indicate this transparent conducting coating to be detected and whether qualified.
Preferably, whether described control circuit can carry out arranging reference capacitance value according to being printed with described transparent conducting coating, the area not printing described transparent conducting coating and described transparent conducting coating and thickness, can print there is transparent conducting coating and the whether satisfactory size of conductive coating and thickness to make control circuit according to different capacitance comparative results instruction film substrate.
In embodiments of the present invention, described capacitance type sensor and film to be detected opposing parallel, film to be detected at the uniform velocity passes through at sense channel.
Preferably, the spacing of the upper surface of described capacitive transducer and film to be detected is 8mm.Certainly, the difference event corresponding inspected object distance of volume is also different.
Preferably, the center of film to be detected is aimed in the sensing region center of described capacitive transducer, and the below of film to be detected is by detecting flat support.
Preferably, described capacitive transducer interfixes with detection slab construction, and film to be detected passes through in the middle of opening.
Detecting sensor of the present invention and transparent conducting coating to be detected form the two-plate of electric capacity, due to printing or the substrate layer that is coated with transparent conducting coating not identical with the dielectric constant of the substrate layer not have to print or be coated with transparent conducting coating, therefore two kinds of substrate layers by sense channel time, produced capacitance not identical, this control circuit export when transparent conducting coating being detected for signal, so, transparent conducting coating can be detected quickly and easily.
A described transparent conducting coating local complexity is in the specific region of film substrate or appointed area, there is Touch Zone, the position of triggering is pointed because Touch Zone is user, a suitable virtual button, effective display area again in order to not make this Touch Zone not take original display screen, so Touch Zone is arranged on beyond the effective range of capacitance touching control screen, beyond the effective coverage of namely display screen, also have, this transparent conducting coating extends and the specific region of corresponding device capacitance touching control screen, namely there is the icon area of corresponding mark in display screen, like this, the human-induced signal produced when triggering in Touch Zone, due to the conduction of described transparent conducting coating, directly pass to icon area, to trigger icon shown on display screen corresponding to icon area and program.
Above-mentioned situation is corresponding common situation, described transparent conducting coating and corresponding Touch Zone and icon area are rectangle, but find in test, described transparent conducting coating can be various shape, in order to be suitable for different capacitive screens, and being suitable for different display interface designs, described transparent conducting coating can make multiple different shape, makes it have predefine shape.
Also can know from the above embodiments, described transparent conducting coating continuous distribution within the effective coverage of display screen and the effective coverage of display screen with exterior domain, the shape of described transparent conducting coating is corresponding.
In addition, the above-mentioned conductive layer with predefine shape has multiple, can various ways arrangement or the assembled arrangement such as tandem, horizontally-arranged, oblique row, like this, can adapt to the characteristic of software and meet the individual needs of user.
Preferably, described transparent conducting coating covers with one of serigraphy, coating, obliterating, spraying, showering, Tianjin painting, dipping, sputtering etc. or group technology or be combined on the film substrate of pad pasting.
Like this, by above-mentioned technical scheme, just can reach such effect: based on transparent material, as PET material, detecting for printing or the transparent conducting coating be coated in PET base material, is that application conductive coating comes the impact of electric field signal parameter, namely one electric capacity or inductance sensor are set, when being printed with conductive coating through its effective range, namely can cause the change of electric capacity or inductance value, coming to judge real-time whether conductive coating exists and qualified according to the size of change.
Although only illustrate a preferred embodiment of the present invention here, its meaning not limits the scope of the invention, applicability and configuration.On the contrary, those skilled in the art can be made to be implemented the detailed description of embodiment.Will be understood that without departing from the spirit and scope as defined in the invention, can make the appropriate changes and modifications some details.
Claims (10)
1. the detection method of the transparent conducting coating of a based thin film base material, be included on described film substrate and print described transparent conducting coating, one sensor is set, when the film being printed with described transparent conducting coating is by described sensor, judge whether described transparent conducting coating exists according to the output valve of control circuit.
2. the detection method of the transparent conducting coating of based thin film base material as claimed in claim 1, is characterized in that: described film substrate is PET material.
3. the detection method of the transparent conducting coating of the based thin film base material as described in as arbitrary in claim 1 or 2, is characterized in that: described sensor is capacitive transducer.
4. the detection method of the transparent conducting coating of the based thin film base material as described in as arbitrary in claim 1 or 2, is characterized in that: described sensor is inductance sensor.
5. the detection method of the transparent conducting coating of based thin film base material as claimed in claim 3, is characterized in that: described capacitive transducer is one.
6. the detection method of the transparent conducting coating of the based thin film base material as described in as arbitrary in claim 1 or 2, is characterized in that: also comprise feedback and alarming device.
7. the detection method of the transparent conducting coating of the based thin film base material as described in as arbitrary in claim 1 or 2, is characterized in that: also comprise micromatic setting.
8. the detection method of the transparent conducting coating of based thin film base material as claimed in claim 1, is characterized in that: also comprise whether detect described transparent conducting coating according to the change of output valve qualified.
9. the detection method of the transparent conducting coating of the based thin film base material as described in as arbitrary in claim 1 or 2, is characterized in that: described transparent conducting coating is combined by any one in electrically-conducting paint, electrically conductive ink or macromolecule conducting material or its.
10. the detection method of the transparent conducting coating of based thin film base material as claimed in claim 9, is characterized in that: described transparent conducting coating is Nano Silver coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410082581.8A CN104597088A (en) | 2014-03-09 | 2014-03-09 | Transparent electric conduction coating detection method based on film substrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410082581.8A CN104597088A (en) | 2014-03-09 | 2014-03-09 | Transparent electric conduction coating detection method based on film substrate |
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| Publication Number | Publication Date |
|---|---|
| CN104597088A true CN104597088A (en) | 2015-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410082581.8A Pending CN104597088A (en) | 2014-03-09 | 2014-03-09 | Transparent electric conduction coating detection method based on film substrate |
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| CN (1) | CN104597088A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1055679A (en) * | 1991-05-06 | 1991-10-30 | 能源部南京自动化研究所 | The method of coating protective film on inductive pole of capacitance sensor |
| US20090104847A1 (en) * | 2007-10-18 | 2009-04-23 | Yoichi Kobayashi | Polishing monitoring method and polishing apparatus |
-
2014
- 2014-03-09 CN CN201410082581.8A patent/CN104597088A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1055679A (en) * | 1991-05-06 | 1991-10-30 | 能源部南京自动化研究所 | The method of coating protective film on inductive pole of capacitance sensor |
| US20090104847A1 (en) * | 2007-10-18 | 2009-04-23 | Yoichi Kobayashi | Polishing monitoring method and polishing apparatus |
Non-Patent Citations (1)
| Title |
|---|
| В.К.ФЕДОТОВ: ""电容式导电薄膜厚度测量仪"", 《国外计量》 * |
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