Liquid crystal element, optical path deflecting element, and image displaying apparatus

A liquid crystal element comprising a pair of transparent substrates, a liquid crystal layer which fills in between the pair of substrates and can form a chiral smectic C phase in homeotropic orientation, and an electrode which generates, at least, an electric field (parallel electric field) in dire...

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Main Authors FUJIMURA KOH, AMAGAWA HARUKI, TAKANO YOHEI, TAKIGUCHI YASUYUKI, SUGIMOTO HIROYUKI, TOKITA TOSHIAKI, NONAKA TOSHIAKI, MATSUKI YUMI
Format Patent
LanguageEnglish
Published 17.04.2012
Subjects
ADHESIVES
CHEMISTRY
DYES
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
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Summary:A liquid crystal element comprising a pair of transparent substrates, a liquid crystal layer which fills in between the pair of substrates and can form a chiral smectic C phase in homeotropic orientation, and an electrode which generates, at least, an electric field (parallel electric field) in directions parallel to a principal face of the substrate for the liquid crystal layer is provided, wherein the liquid crystal layer comprises, at least, a chiral compound of the following general formula (1-I) or a chiral compound of the following general formula (2-I) and a chiral compound of the following general formula (2 -II) in a base liquid crystal material which can provide a phase sequence of an isotropic liquid phase, a nematic phase, a smectic A phase and a smectic C phase from a higher temperature side, wherein R1, A2, Z1, Z2, m and 1 in formula (1-I), X, R1, R2, and * in formula (2-I), and X, R3, R4, R5, and * in formula (2-II) are defined in the specification.
Bibliography:Application Number: US20070913378