Optical multi-stability of bimesogenic cholesteric liquid crystal

Title
Optical multi-stability of bimesogenic cholesteric liquid crystal
Author(s)
곽진석손필국[손필국]이종훈마코토 요네야[마코토 요네야]히로시 요코야마[히로시 요코야마]
Keywords
BLUE PHASE; BISTABILITY; BEHAVIOR; DISPLAY; DEVICE
Issue Date
201210
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
MATERIALS RESEARCH BULLETIN, v.47, no.10, pp.2804 - 2806
Abstract
In this paper, we present a multi-stable property in a bimesogenic cholesteric liquid crystal material with a proper chiral additive and check its potential as an energy saving transmissive type liquid crystal display (LCD) through its electro-optic characteristics. Experimental results show that the multi-stable characteristics in the fabricated cholesteric LC cell are very stable. Such multi-stable properties depend on the driving frequency, voltage, and field direction. The contrast ratio in the fabricated transmissive type cholesteric LC cell was 15:1, which is a result produced by voltage and frequency control. (C) 2012 Elsevier Ltd. All rights reserved.
URI
http://hdl.handle.net/YU.REPOSITORY/27143http://dx.doi.org/10.1016/j.materresbull.2012.04.096
ISSN
0025-5408
Appears in Collections:
이과대학 > 물리학과 > Articles
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