Fast switching of frequency modulation twisted nematic liquid crystal display fabricated by doping nanoparticles and its mechanism

Shunsuke Kobayashi; Tomohiro Miyama; Yoshio Sakai; Hiroyuki Shiraki; Yukihide Shiraishi; Naoki Toshima

doi:10.1117/12.591408

12 April 2005 Fast switching of frequency modulation twisted nematic liquid crystal display fabricated by doping nanoparticles and its mechanism (Invited Paper)

Shunsuke Kobayashi, Tomohiro Miyama, Yoshio Sakai, Hiroyuki Shiraki, Yukihide Shiraishi, Naoki Toshima

Author Affiliations +

Proceedings Volume 5741, Emerging Liquid Crystal Technologies; (2005) https://doi.org/10.1117/12.591408
Event: Integrated Optoelectronic Devices 2005, 2005, San Jose, California, United States

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.

Citation Download Citation

Shunsuke Kobayashi, Tomohiro Miyama, Yoshio Sakai, Hiroyuki Shiraki, Yukihide Shiraishi, and Naoki Toshima "Fast switching of frequency modulation twisted nematic liquid crystal display fabricated by doping nanoparticles and its mechanism (Invited Paper)", Proc. SPIE 5741, Emerging Liquid Crystal Technologies, (12 April 2005); https://doi.org/10.1117/12.591408

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