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

Seung-Won Oh; Tae-Hoon Yoon

doi:10.1117/12.2075961

11 March 2015 Fast bistable switching of a chiral-nematic liquid crystal cell induced by applying an in-plane electric field

Seung-Won Oh, Tae-Hoon Yoon

Author Affiliations +

Proceedings Volume 9384, Emerging Liquid Crystal Technologies X; 93840V (2015) https://doi.org/10.1117/12.2075961
Event: SPIE OPTO, 2015, San Francisco, California, United States

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.

Citation Download Citation

Seung-Won Oh and Tae-Hoon Yoon "Fast bistable switching of a chiral-nematic liquid crystal cell induced by applying an in-plane electric field", Proc. SPIE 9384, Emerging Liquid Crystal Technologies X, 93840V (11 March 2015); https://doi.org/10.1117/12.2075961

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