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Proceedings Paper

Fast switching of frequency modulation twisted nematic liquid crystal display fabricated by doping nanoparticles and its mechanism
Author(s): Shunsuke Kobayashi; Tomohiro Miyama; Yoshio Sakai; Hiroyuki Shiraki; Yukihide Shiraishi; Naoki Toshima
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Paper Abstract

TN-LCDs fabricated by doping metal nanoparticles of such as Pd, Ag, Au, or Ag-Pd composite are shown to exhibit a frequency modulation electro-optic response with short response time of ms or sub-ms order. These devices are called FM-LCDs. The frequency range spreads from 40 Hz to 2 KHz around a dielectric relaxation frequency that increases with increasing the concentration of metal nanoparticles. This behavior is explained by the equivalent circuit model of heterogeneous dielectrics, for the first time, formulated by the present authors. Further, we discuss the origin of the fast response and the value of electrical conductivity of metal nanoparticles.

Paper Details

Date Published: 12 April 2005
PDF: 8 pages
Proc. SPIE 5741, Emerging Liquid Crystal Technologies, (12 April 2005); doi: 10.1117/12.591408
Show Author Affiliations
Shunsuke Kobayashi, Tokyo Univ. of Science (Japan)
NanoOpto Labs. (Japan)
Tomohiro Miyama, Tokyo Univ. of Science (Japan)
NanoOpto Labs. (Japan)
Yoshio Sakai, Tokyo Univ. of Science (Japan)
Hiroyuki Shiraki, Tokyo Univ. of Science (Japan)
Yukihide Shiraishi, Tokyo Univ. of Science (Japan)
Naoki Toshima, Tokyo Univ. of Science (Japan)
NanoOpto Labs. (Japan)

Published in SPIE Proceedings Vol. 5741:
Emerging Liquid Crystal Technologies
Liang-Chy Chien, Editor(s)

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