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US 8,999,196 B2Granted
Liquid crystal compound having perfluoroalkyl chain, and liquid crystal composition and liquid crystal display device
AssigneesJnc Corporation, Jnc Petrochemical Corporation
InventorsHiroyuki Tanaka, Sayaka Fujimori
Life of this patent
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Abstract
The invention is to provide a new liquid crystal compound having a high clearing point, a good compatibility with other compounds, a small viscosity, and a high stability to heat, light and so forth; compound (1) is provided: R1CF2nR2 (1) wherein, for example, R1 is alkyl having 4 to 10 carbons or —(CH2)2—CH═CH2, R2 is alkyl having 2 to 10 carbons, n is 8, and R1 and R2 are not allowed to be straight-chain alkyl having an identical number of carbons.
Claims17
A compound represented by formula (1):
- R1CF2nR2 (1)
- wherein, in formula (1), R1 is alkyl having 4 to 10 carbons, —(CH2)2—CH═CH2 or —(CH2)2—CH═CHCH2, R2 is alkyl having 2 to 10 carbons, —CH═CH2, —CH═CHCH3, —CH2CH═CH2, —CH2CH═CHCH3, —(CH2)2—CH═CH2 or —(CH2)2—CH═CHCH3, n is 8, 9 or 10, and R1 is not identical with R2.
Dependencies are inferred from the claim text.