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Transparent and electrically conductive film having a multi-layer structure and a production method for the same

A technology of transparent conductive film and conductive oxide, which is applied in conductive coatings, chemical instruments and methods, conductive layers on insulating carriers, etc., and can solve problems such as reduced mechanical properties, reduced light transmittance, and reduced color perception

Active Publication Date: 2015-04-15
LG CHEM LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, since the above-mentioned transparent conductive film to which a plastic film as a base is applied has high light reflection ability on the surface of the indium oxide film, a decrease in light transmittance, a decrease in color feeling (b*), and a mechanical The problem of slow performance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] On a polyethylene terephthalate film (refractive index 1.6) with a thickness of 25 μm, sequential coatings containing TiO 2 acrylic coating solution, dried at 100°C for 1 minute, and then with a light intensity of 400mJ / cm 2 UV irradiation to form a thickness of 70nm first coating (refractive index 1.80), and coated with ZrO 2 The acrylic coating solution of nanoparticles was dried at 100°C for 1 minute, and then the light intensity was 400mJ / cm 2 UV irradiation to form a second coating with a thickness of 45 nm (refractive index 1.63). Next, an ITO layer was vapor-deposited to a thickness of 30 nm by sputtering in an atmosphere of 5 mTorr consisting of 98.4% argon and 1.6% oxygen to prepare a transparent conductive film.

Embodiment 2

[0051] In addition to the second coating in Example 1 above which was adjusted by drying at 100°C with ZrO 2 The amount of nanoparticles coated with acrylic solution for 1 min and with a light intensity of 400mJ / cm 2 Except for the coating with a refractive index of 1.65 and a thickness of 45nm obtained by UV irradiation, a transparent conductive film was prepared by the same method as in Example 1.

Embodiment 3

[0053] A transparent conductive film was prepared in the same manner as in Example 1 except that a film having a refractive index of 1.61 and a thickness of 45 nm obtained by preparing a coating solution and drying at 50° C. for 3 minutes and at 120° C. for 10 minutes was obtained. The coating is used as the second coating in the above-mentioned Example 1, wherein the coating solution is obtained by diluting the organosilane to 20% by weight in ethanol, distilling water at 1.5 times the alkoxysilane The amount of pellets was introduced into it, a catalytic amount of hydrochloric acid was poured into it and allowed to react at 25°C for 24 hours to make a sol solution and Sb was introduced into it 2 o 5 nanoparticles and diluted to 2 wt%.

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Abstract

The present invention relates to a transparent electrically-conductive film comprising a substrate having a refractive index of n1, a first coating layer having a refractive index of n2, a second coating layer having a refractive index of n3, and an electrically-conductive oxide layer having a refractive index of n4 in a sequentially laminated form, wherein said refractive index of each layer complies with n1‰¤n3<n2<n4, and a method of preparing the same. The transparent electrically-conductive film according to the present invention has especially excellent color feeling and mechanical property as well as excellent transmittance.

Description

technical field [0001] The invention relates to a transparent conductive film with excellent color perception, mechanical properties and excellent light transmittance. Background technique [0002] Although a conductive glass having an indium oxide thin film formed on a glass substrate is used as a conventional transparent conductive film, since the substrate is glass, the conductive glass has poor flexibility and workability, and depending on the use, in Not desired in many cases. To cope with this situation, a transparent conductive film on which various plastic films, including polyethylene terephthalate film, having impact resistance and Enables weight reduction and has excellent flexibility and workability. [0003] However, since the above-mentioned transparent conductive film to which a plastic film as a base is applied has high light reflection ability on the surface of the indium oxide film, a decrease in light transmittance, a decrease in color feeling (b*), and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B1/08H01B5/14B32B27/08B32B7/12C08J7/043C08J7/044C08J7/046
CPCH01L51/5215H01L51/0097C08J7/04H05B33/28H01L2251/308H01B1/08C08J2367/02C08J2433/02C09D5/24C08J7/0423C08J7/043C08J7/046C08J7/044H10K77/111H10K2102/103
Inventor 柳相旭金东烈黄樯渊张贤佑具本锡
Owner LG CHEM LTD
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