Flexible transparent conductive film, flexible functional device, and methods for producing these

A technology of transparent conductive film and manufacturing method, applied in electrical components, cable/conductor manufacturing, chemical instruments and methods, etc., can solve the problems of no recorded value and no record, and achieve the effect of excellent flexibility

Inactive Publication Date: 2011-01-05
SUMITOMO METAL MINING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, in the invention described in Patent Document 9, the gas barrier performance (for example, water vapor transmission rate) of the transparent conductive film itself, which is necessary when the transparent conductive material (conductive film) is used in various flexible functional elements, is completely determined. No specific numerical values ​​are described, and although there is a description in paragraph 0072 of Patent Document 9 that the above-mentioned conductive layer is used as a compressive layer, the compressive layer is a conductive layer that has been compressed in advance and is laminated from the back with a barrier layer. It is made of the matrix of the layer, and there is no record of any opinion on the impact on the barrier performance when the compression treatment is performed together with the conductive layer and the substrate (base film) with the barrier layer.

Method used

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  • Flexible transparent conductive film, flexible functional device, and methods for producing these
  • Flexible transparent conductive film, flexible functional device, and methods for producing these

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0072] In 24 g of methyl isobutyl ketone (MIBK) and 36 g of cyclohexanone as a solvent, mixing 36 g of granular ITO microparticles [trade name: SUFP-HX, manufactured by Sumitomo Metal Mining Co., Ltd.] with an average particle diameter of 0.03 μm, After carrying out the dispersion treatment, add 3.8g urethane acrylate UV-curable resin binder and 0.2g photoinitiator [trade name: ダロキユア-1173, manufactured by Ciba Japan Ltd.], and stir well, thus prepare a uniform dispersion. A coating liquid (liquid A) for forming a transparent conductive layer of ITO microparticles having a particle diameter of 125 nm.

[0073] Next, before producing a flexible transparent conductive film, a plastic film with a thickness of about 13 μm [Toppan Printing Co., Ltd., trade name: GX-P-F film (hereinafter referred to as "GX film"), GX Film composition: PET film (thickness: 12μm) / vapor-deposited aluminum oxide gas barrier layer (thickness: 10-tens of nm) / silicate-polyvinyl alcohol mixed coating (co...

Embodiment 2

[0093]Before producing the flexible transparent conductive film, the gas barrier layers (made of aluminum oxide) of two plastic films [trade name: GX film, manufactured by Toppan Printing Co., Ltd.] with a thickness of about 13 μm used in Example 1 were bonded together with an adhesive Between the gas barrier layer and the silicate-polyvinyl alcohol mixed coating), the gas barrier performance enhancement film is produced [film composition: PET film (thickness: 12 μm) / vapor-deposited aluminum oxide gas barrier layer (thickness: 10 ~ tens of nm) / silicate-polyvinyl alcohol mixed coating (coating film, thickness: 0.2-0.6μm) / adhesive layer (about 8μm) / silicate-polyvinyl alcohol mixed coating (coating Film, thickness: 0.2~0.6μm) / evaporated aluminum oxide gas barrier layer (thickness: 10~tens of nm) / PET film (thickness: 12μm), the water vapor transmission rate of the film is lower than 0.01g / m 2 / day (that is, the water vapor transmission rate of the film 2 / day), visible light tra...

Embodiment 3

[0104] In 24 g of methyl isobutyl ketone (MIBK) and 36 g of cyclohexanone as a solvent, mixing 36 g of granular ITO microparticles [trade name: SUFP-HX, manufactured by Sumitomo Metal Mining Co., Ltd.] with an average particle diameter of 0.03 μm, After the dispersion treatment, 4.0 g of a liquid thermosetting epoxy resin binder was added and stirred to prepare a coating solution (B solution) for forming a transparent conductive layer in which ITO fine particles having an average particle diameter of 130 nm were dispersed.

[0105] Next, before manufacturing the flexible transparent conductive film, a plastic film with a thickness of about 13 μm [manufactured by Dainippon Printing Co., Ltd., trade name: IB-PET-PXB film (hereinafter referred to as "IB film" ), composition of IB film: PET film (thickness: 12 μm) / evaporated alumina gas barrier layer (thickness: 10 to tens of nm) / silicate-polyvinyl alcohol mixed coating (coating film, thickness: 0.2 ~0.6μm), the water vapor transm...

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Abstract

A flexible transparent conductive film of the invention has a base film and a transparent conductive layer formed on the base film by applying a coating liquid for forming the transparent conductive layer. The flexible transparent conductive film is characterized in that the base film is composed of a plastic film having a gas-barrier function and a thickness of 3 to 50 [mu]m and a backing film removably joined to one side of the base film, the transparent conductive layer provided on the other side contains main components which are conductive oxide particles and a binder matrix, and the transparent conductive layer is subjected to compression processing together with the base film and the backing film. A flexible functional element of the invention is characterized in that a functional element such as a liquid crystal display element, an organic electroluminescence element, an inorganic dispersion electroluminescence element, or an electronic paper element is fabricated on the flexible transparent conductive film.

Description

technical field [0001] The present invention relates to a flexible transparent conductive film having a transparent conductive layer on the surface of a base film, and flexible transparent conductive films such as liquid crystal display elements, organic electroluminescent elements, inorganic dispersed electroluminescent elements, and electronic paper elements obtained by using the flexible transparent conductive film. Functional elements, in particular, relate to improvement of flexible transparent conductive films having gas barrier properties and excellent flexibility and flexible functional elements. Background technique [0002] In recent years, in electronic devices such as various displays represented by liquid crystals and mobile phones, the tendency to become lighter, thinner and shorter has been accelerating. Along with this, the use of plastic films to replace the glass substrates that have been used in the past is being actively developed. Research. Since the pl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B5/14B32B27/18G02F1/1333G02F1/1343H01B13/00C08J7/043C08J7/044C08J7/048
CPCG02F2201/50C08J7/045Y10T428/266C08J7/0423C09K2323/00C08J7/048C08J7/043C08J7/044
Inventor 行延雅也村山勇树
Owner SUMITOMO METAL MINING CO LTD
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