TRANSPARENT CONDUCTIVE FILM

To provide a transparent conductive film that overcomes the problems of poor bending resistance and visibility and can be appropriately applied to touch sensors due to its bendability and high water-intercepting property.SOLUTION: The transparent conductive film of the present disclosure comprises:...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HSIAO CHI FAN, LIEN SIOUNG, TSAI CHIA-YANG
Format: Patent
Sprache:eng ; jpn
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Beschreibung
Zusammenfassung:To provide a transparent conductive film that overcomes the problems of poor bending resistance and visibility and can be appropriately applied to touch sensors due to its bendability and high water-intercepting property.SOLUTION: The transparent conductive film of the present disclosure comprises: a substrate; a metal nanowire layer disposed on the substrate; and a water shielding protective layer including water-absorbable particles and disposed on the metal nanowire layer. The transparent conductive film has a first absorption peak in the wavenumber region of 2750 cm-1 to 3000 cm-1 and a second absorption peak in the wavenumber region of 3000 cm-1 to 3750 cm-1 by FTIR. The ratio of the maximum peak intensity of the second absorption peak to the maximum peak intensity of the first absorption peak is between 0.18 and 0.50, and the haze value of the transparent conductive film is 1.7% or less.SELECTED DRAWING: Figure 1 【課題】曲げ抵抗や視認性が悪いという問題を克服し、曲げやすさと高い遮水性能により、タッチセンサに適切に適用することができる透明導電性フィルムを提供すること。【解決手段】本開示に係る透明導電性フィルムは、基板と、基板上に配置された金属ナノワイヤ層と、吸水性粒子を有し、金属ナノワイヤ層上に配置された遮水保護層とを備え、透明導電性フィルムは、FTIRにより2750cm-1~3000cm-1の波数領域に第一吸収ピークと、3000cm-1~3750cm-1の波数領域に第二吸収ピークを有し、第一吸収ピークの最大ピーク強度に対する第二吸収ピークの最大ピーク強度の比は0.18~0.50であり、透明導電性フィルムのヘイズ値は1.7%以下であるものである。【選択図】図1