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Proceedings Paper

Fast bistable switching of a chiral-nematic liquid crystal cell induced by applying an in-plane electric field
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Paper Abstract

We propose a method for fast bistable switching of chiral-nematic liquid crystals. Fast switching from the focal conic to the planar state can be achieved by applying an in-plane electric field for a short period of time. The in-plane field induces a transient state, which relaxes rapidly to the initial planar state. We demonstrate that the switching time from the focal conic to the planar state could be reduced from 150 to 5 ms by applying an in-plane field instead of a vertical field. We achieved a total response time of less than 10 ms. The proposed device is applicable to a reflective display and to other optical switching devices requiring both fast response time and low power consumption.

Paper Details

Date Published: 11 March 2015
PDF: 5 pages
Proc. SPIE 9384, Emerging Liquid Crystal Technologies X, 93840V (11 March 2015); doi: 10.1117/12.2075961
Show Author Affiliations
Seung-Won Oh, Pusan National Univ. (Korea, Republic of)
Tae-Hoon Yoon, Pusan National Univ. (Korea, Republic of)


Published in SPIE Proceedings Vol. 9384:
Emerging Liquid Crystal Technologies X
Liang-Chy Chien; Harry J. Coles; Hirotsugu Kikuchi; Ivan I. Smalyukh, Editor(s)

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