Influence of Fabrication Conditions on Monostability of Polymer-Stabilized Ferroelectric Liquid Crystals

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Published 20 September 2013 Copyright (c) 2013 The Japan Society of Applied Physics
, , Citation Hirokazu Furue et al 2013 Jpn. J. Appl. Phys. 52 09KE03 DOI 10.7567/JJAP.52.09KE03

1347-4065/52/9S1/09KE03

Abstract

Polymer-stabilized ferroelectric liquid crystals (PS-FLCs) photocured in the SmA phase can show monostable V-shaped electrooptical characteristics. In this study, we have researched the influence of the fabrication conditions such as polymer concentration, cell gap, and alignment film materials on the monostable electrooptical characteristics of PS-FLCs. As a result, it is confirmed that the monostable capability strongly depends on the polymer concentration. However, the driving voltage increases as the polymer concentration increases. Therefore, to fabricate practicable PS-FLC devices, it is important to investigate the effects of other factors on the monostable capability. From the investigation of the influence of the cell gap and the alignment film materials on the monostable capability of PS-FLCs, it is concluded that the surface anchoring of the alignment film strongly influences the monostable characteristics of PS-FLCs photocured in the SmA phase.

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10.7567/JJAP.52.09KE03