Improving the color switch contrast in PEDOT:PSS-based electrochromic displays

被引：116

作者：

Kawahara, Jun ^{[1
,2
,3
]}

Ersman, Peter Andersson ^{[2
]}

Engquist, Isak ^{[1
]}

Berggren, Magnus ^{[1
]}

机构：

[1] Linkoping Univ, Dept Sci & Technol, Norrkoping, Sweden

[2] Acreo AB, Dept Printed Elect, SE-60117 Norrkoping, Sweden

[3] Lintec Corp, R&D Strategy Dept, Warabi, Saitama, Japan

来源：

ORGANIC ELECTRONICS | 2012年 / 13卷 / 03期

关键词：

PEDOT:PSS; Electrochromic displays; Color contrast; Printed electronics; Flexible displays; ACTIVE-MATRIX DISPLAYS; CONDUCTING POLYMERS; ELECTRODES; SYSTEMS; DEVICES; PAPER; BLACK;

D O I：

10.1016/j.orgel.2011.12.007

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Poly(3,4-ethylenedioxythiophene) chemically doped with poly(styrene sulfonic acid) (PEDOT:PSS) is a material system commonly used as a conductive and transparent coating in several important electronic applications. The material is also electrochemically active and exhibits electrochromic (EC) properties making it suitable as the active element in EC display applications. In this work uniformly coated PEDOT: PSS layers were used both as the pixel electrode and as the counter electrode in EC display components. The pixel and counter electrodes were separated by a whitish opaque and water-based polyelectrolyte and the thicknesses of the two EC layers were varied independently in order to optimize the color contrast of the display element. A color contrast (Delta E*, CIE L*a*b* color space) exceeding 40 was obtained with maintained relatively short switching time at an operational voltage less than 2 V. (C) 2011 Elsevier B. V. All rights reserved.

引用

页码：469 / 474

页数：6

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