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Multistable electrooptical modes in Ferroelectric Liquid Crystals

Journal article
Authors Gurumurthy Hegde
Pozhidave Eugene
Chigrinov Vladimir
Peizhi Xu
Published in J.SID
Volume 17
Issue 1
Pages 53
ISSN 1701-0053
Publication year 2009
Published at Department of Physics (GU)
Pages 53
Language en
Keywords Multistable, ferroelectric, V-shaped, S-shaped, liquid crystal.
Subject categories Surface engineering, Functional materials, Other materials science


Multistable electro-optical modes exist under certain conditions in ferroelectric liquidcrystal (FLC) cells, which means that any light-transmission level can be memorized after the driving voltage is switched off. The multistability is responsible for three new electro-optical modes with different shapes of the gray-scale curve that can be either S-shaped (double or single dependent upon the applied-voltage pulse sequence and boundary conditions) or V-shaped dependent upon boundary conditions and FLC cell parameters. The origin of these modes will be described.

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