Compositions – Radioactive compositions – Nuclear reactor fuel
Patent
1982-11-24
1985-11-05
Gron, Teddy S.
Compositions
Radioactive compositions
Nuclear reactor fuel
2522991, 2522995, 25229963, 25229966, 350350R, 340705, G02F 113, C09K 334
Patent
active
045509808
ABSTRACT:
A liquid crystal composition suitable for use as a host in a guest-host type liquid crystal display element including a dichroic dye as a guest is provided. The composition includes at least one liquid crystal compound represented by each of the following general formulas: ##STR1## and further includes at least one compound represented by the following general formulas: ##STR2## wherein R.sub.1 stands for a straight-chain alkyl group having 2 to 8 carbon atoms, R.sub.2 stands for a straight-chain alkyl group having 2 to 7 carbonm atoms, R.sub.5 stands for a straight-chain alkyl group having three carbon atoms, R.sub.6 stands for a straight-chain alkyl group having two or four carbon atoms, R.sub.7 stands for a straight-chain alkyl group having five carbon atoms, R.sub.8 stands for a straight-chain alkyl group having two carbon atoms, R.sub.9 stands for a straight-chain alkyl group having five carbon atoms, and R.sub.10 stands for a straight-chain alkyl group having three carbon atoms. The dichroic dye may be an azo or anthraquinone dye which is readily soluble in the composition. The compositions are highly resistant to environmental decay. A liquid crystal display element including these compositions and a liquid crystal display device including the display element are also disclosed.
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Epson Corporation
Gron Teddy S.
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