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Effects of three-dimensional polymer networks in vertical alignment liquid crystal display controlled by in-plane field

Journal article
Authors Y. J. Lim
Y. E. Choi
J. H. Lee
G. D. Lee
Lachezar Komitov
S. H. Lee
Published in Optics Express
Volume 22
Issue 9
Pages 10634-10641
ISSN 1094-4087
Publication year 2014
Published at Department of Physics (GU)
Pages 10634-10641
Language en
Links dx.doi.org/10.1364/oe.22.010634
Keywords CELL, Optics, OPTICS
Subject categories Physical Sciences

Abstract

Polymer network in vertical alignment liquid crystal cell driven by in-plane field (VA-IPS) is formed in three dimensions to achieve fast response time and to keep the liquid crystal alignment even when an external pressure is applied to the cell. The network formed by UV irradiation to vertically aligned liquid crystal cell with reactive mesogen does not disturb a dark state while exhibiting very fast decaying response time less than 2ms in all grey scales and almost zero pooling mura. The proposed device has a strong potential to be applicable to field sequential display owing to super-fast response time and flexible display owing to polymer network in bulk which supports a gap between two substrates. (C) 2014 Optical Society of America

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