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Liquid crystal device and method its fabrication

Patent
Authors Lachezar Komitov
Bertil Helgee
Johan Felix
Publication year 2004
Published at Department of Physics (GU)
Language en
Inventors (Ecsibeo AB, Swed.).
Patent number 2004-SE880 2004114005
Patent publication date 2004-06-07
Keywords Electrooptical imaging devices, Liquid crystal displays (liq. crystal device and method its fabrication), Polyvinyl acetals Role: DEV (Device component use), PRP (Properties), SPN (Synthetic preparation), PREP (Preparation), USES (Uses) (prepn. of liq. crystal material), switching liq crystal device surface director alignment control photodirector
Subject categories Material physics with surface physics

Abstract

The invention relates to a liq. crystal device comprising a liq. crystal bulk layer and a surface-director alignment layer comprising side-chains arranged to interact with the bulk layer, wherein the orientation of the bulk layer mols. and the orientation of said side-chains each is directly controllable by an elec. field via dielec. coupling, thus resulting in a decreased total time period (rise and decay times) needed to switch and relax the liq. crystal bulk mols. in response to an applied external field. The invention also relates to a method for manufg. a liq. crystal device and a method of controlling a liq. crystal bulk layer.

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