CN203366777U - Novel transparent conductive film - Google Patents
Novel transparent conductive film Download PDFInfo
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- CN203366777U CN203366777U CN 201320369301 CN201320369301U CN203366777U CN 203366777 U CN203366777 U CN 203366777U CN 201320369301 CN201320369301 CN 201320369301 CN 201320369301 U CN201320369301 U CN 201320369301U CN 203366777 U CN203366777 U CN 203366777U
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Abstract
The utility model relates to a conductive film, and particularly to a novel transparent conductive film. The conductive film successively comprises the following components from bottom to top: a substrate, a barrier layer and a conductive layer. Hard coatings are coated on two surfaces of the substrate. The substrate is flexible optical-grade PET and is made of polyethylene glycol terephthalate. Compared with the prior art, the novel transparent conductive film is technically characterized in that: 1. the novel transparent conductive film has simple process and simple film layer structure, and yield rate of the product is effectively improved; and 2. the novel transparent conductive film has improved refractive index of a hardened layer on the surface of the substrate, the average reflectivity is increased, and a third-layer high-refractive-index layer in the prior conductive film system structure is replaced, and only the insulating layer and the conductive layer are required for coating on the surface of the hardened layer.
Description
Technical field
The utility model relates to a kind of conductive film, relates in particular to a kind of novel transparent conductive film.
Background technology
When the ITO transparent conductive film is applied to capacitive touch screen, requires the ITO film etching of film forming and form the special electrodes pattern, before and after etching, colour-difference or difference in reflection (▽ R) are less, with respect to human eye, can't distinguish difference.
At present, generally to adopt refractive index be 1.58-1.6 optics level PET to ITO film base material in the touch-screen industry, and the surface-coated refractive index is the 1.45-1.5 hardened layer, and in visible-range, average reflectance is approximately 4%.With ITO film conductive film film structure, be generally base material 1+hardened layer 2+base material upper surface adhesive linkage 3+high refractive index layer 4+insulating barrier 5+conductive layer 6.Base material PET, refractive index: 1.58-1.6; Hardened layer: refractive index 1.49-1.55; Adhesive linkage SiO2 or SiO2 and SiO mixture, refractive index: 1.47-1.6; High refractive index layer is Nb2O5 or TiO2, refractive index: 2.0; Conductive layer ITO, refractive index: 1.9-2.1.Plated film back reflection rate curve, average reflectance 10.3%-11.8%, after tempering, average reflectance is in 6% left and right.
This kind of film structure complex process causes yield lower, and the number of plies is more easily causes rete be full of cracks etc. bad.
Summary of the invention
The utility model is in order to overcome above-mentioned defect, purpose is to provide a kind of novel transparent conductive film, be to improve substrate surface hardened layer refractive index, improve average reflectance and substitute the 3rd floor height index layer in current conductive film film structure, the hardened layer surface only need be coated with insulating barrier and conductive layer.Simplify the complex process degree, reduce the rete number.
The utility model in order to achieve the above object, adopts following technical scheme: a kind of novel transparent conductive film, and this conducting film is followed successively by base material, barrier layer, conductive layer from bottom to top; Described base material two sides is coated with hard conating, and described base material is the flexible optical level PET, and material is PETG.
Described hard conating refractive index is 1.6 to 1.75, and hardness standard is: coated surface 1H, and plated film back side 2H, thickness is 1 μ m-2 μ m.
Described barrier material is SiOx or SixNyO, between index region, is 1.47 to 1.6, and thickness is 10nm-100nm.
Described conductive layer is the ITO transparent conductive film layer, and refractive index is 1.9 to 2.1, and thickness is 20nm-50nm, and sheet resistance is: 50 Ω-300 Ω.
Described base material refractive index is 1.58, thickness range 20 μ m-200 μ m.
The utility model compared with prior art has following technological merit:
1, the utility model technique and film layer structure are simple, effectively improve product yield.
2, the utility model improves substrate surface hardened layer refractive index, improves average reflectance and substitutes the 3rd floor height index layer in current conductive film film structure, and the hardened layer surface only need be coated with insulating barrier and conductive layer.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is visible ray internal reflection rate curve before the utility model base material plated film;
Fig. 3 is visible ray internal reflection rate curve after the utility model base material plated film.
Embodiment
In order to describe the These characteristics of the utility model patent in detail, advantage and operation principle, below in conjunction with Figure of description 1,2,3 and embodiment, the utility model is described further, but the scope that the utility model is protected is not limited to this.
A kind of novel transparent conductive film, this conducting film is followed successively by base material 1, barrier layer 3, conductive layer 4 from bottom to top; Described base material 1 two sides is coated with hard conating 2, and described base material 1 is the flexible optical level PET, and material is PETG.
Described hard conating 2 refractive indexes are 1.6 to 1.75, and hardness standard is: coated surface 1H, and plated film back side 2H, thickness is 1 μ m-2 μ m.
Described barrier layer 3 materials are SiOx or SixNyO, between index region, are 1.47 to 1.6, and thickness is 10nm-100nm.
Described conductive layer 4 is the ITO transparent conductive film layer, and refractive index is 1.9 to 2.1, and thickness is 20nm-50nm, and sheet resistance is: 50 Ω-300 Ω.
Described base material 1 refractive index is 1.58, thickness range 20 μ m-200 μ m.
The utility model reflectivity is increased to 6%, replaces high refractive index layer in current conducting film system structure.The hardened layer surface directly is coated with barrier layer, and barrier layer surface is coated with conductive film layer.
Adopt winding film plating equipment to be coated with the utility model conductive film, the PET that surface is scribbled to hardened layer puts into vacuum system and is vacuumized, and the base material coiling direction is sequentially the silicon target coating chamber, ITO target coating chamber, open the target power supply when local vacuum reaches 2.0E-6, plate successively SiO2, ITO.
The above embodiment has only expressed a kind of execution mode of this patent, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to this patent scope.It should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from this patent design, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of this patent should be as the criterion with claims.
Claims (5)
1. a novel transparent conductive film, it is characterized in that: this conducting film is followed successively by base material (1), barrier layer (3), conductive layer (4) from bottom to top; Described base material (1) two sides is coated with hard conating (2), and described base material (1) is the flexible optical level PET, and material is PETG.
2. novel transparent conductive film according to claim 1, it is characterized in that: described hard conating (2) refractive index is 1.6 to 1.75, and hardness standard is: coated surface 1H, plated film back side 2H, thickness is 1 μ m-2 μ m.
3. novel transparent conductive film according to claim 1, it is characterized in that: described barrier layer (3) material is SiOx or SixNyO, between index region, is 1.47 to 1.6, and thickness is 10nm-100nm.
4. novel transparent conductive film according to claim 1, it is characterized in that: described conductive layer (4) is the ITO transparent conductive film layer, and refractive index is 1.9 to 2.1, and thickness is 20nm-50nm, and sheet resistance is: 50 Ω-300 Ω.
5. novel transparent conductive film according to claim 1, it is characterized in that: described base material (1) refractive index is 1.58, thickness range 20 μ m-200 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320369301 CN203366777U (en) | 2013-06-26 | 2013-06-26 | Novel transparent conductive film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320369301 CN203366777U (en) | 2013-06-26 | 2013-06-26 | Novel transparent conductive film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203366777U true CN203366777U (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320369301 Expired - Fee Related CN203366777U (en) | 2013-06-26 | 2013-06-26 | Novel transparent conductive film |
Country Status (1)
| Country | Link |
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| CN (1) | CN203366777U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108169944A (en) * | 2017-11-30 | 2018-06-15 | 维沃移动通信有限公司 | A kind of LCD MODULE and preparation method thereof, mobile terminal |
-
2013
- 2013-06-26 CN CN 201320369301 patent/CN203366777U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108169944A (en) * | 2017-11-30 | 2018-06-15 | 维沃移动通信有限公司 | A kind of LCD MODULE and preparation method thereof, mobile terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20160626 |