Light modulating material and light modulating method

Details Light modulating material and light modulating method Light modulating material and light modulating method

2006-12-08

2010-10-26

Visconti, Geraldina (Department: 1795)

Compositions

Liquid crystal compositions

C252S299100, C252S299600, C430S020000, C428S001100, C428S001300, C349S103000, C349S112000, C349S130000

Reexamination Certificate

active

07820071

ABSTRACT:
A light modulating material comprising at least one kind of dichroic dye having a substituent represented by the following Formula (1) and at least one kind of host liquid crystal between a pair of electrodes, and changing the transmittance of incident light. In the formula (1), Het is oxygen atom or sulfur atom; B1and B2each independently represent an arylene group, a heteroarylene group or a bivalent cyclic aliphatic hydrocarbon group; Q1represents a bivalent linking group; C1represents an alkyl group, a cycloalkyl group, an alkoxy group, an alkoxycarbonyl group, an acyl group, or an acyloxy group; j represents 0 or 1; p, q and r each independently represent an integer from 0 to 5; n represents an integer from 1 to 3; (p+r)×n is an integer from 3 to 10.in-line-formulae description="In-line Formulae" end="lead"?-(Het)j-{(B1)p-(Q1)q-(B2)r}n—C1  Formula (1):in-line-formulae description="In-line Formulae" end="tail"?

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