Liquid crystal mixture of a liquid crystal compound having a smectic C phase and an optically active compound
US4622165A · kind A · utility
55Cited by
7References
13Claims
0Family size
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Key dates
| Filing date | Jul 27, 1984 |
| Grant date | Nov 11, 1986 |
| Priority date | — |
| Expiry date | Jul 27, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K19/2021
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A liquid crystal composition which comprises a liquid crystal compound having a smectic C phase and an optically active substance, both of said liquid crystal compound and optically active substance being compounds having an ester type bond in the molecular structure, and which has a lowered transition temperature region for the smectic C phase, is chemically stable and stable for use in field effect type liquid crystal display elements etc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.