Anti-ferroelectric liquid crystal and liquid crystal display device
US5340498A · kind A · utility
7Cited by
4References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 19, 1993 |
| Grant date | Aug 23, 1994 |
| Priority date | — |
| Expiry date | Aug 19, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K19/2021
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A novel anti-ferroelectric liquid crystal of the formula (I), ##STR1## wherein: is an integer of 3 to 8, PA1 each of X and Y is independently a hydrogen atom or a fluorine atom, PA1 Z is --CF.sub.3, --CH.sub.3 or --C.sub.2 H.sub.5, PA1 q is 0 or 5, PA1 m is 0 or 1, PA1 n is an integer of 2 to 8, and PA1 C* is an asymmetric carbon, provided that when m is 0, q is 0 and n is an integer of 4 to 8 and that when m is 1, q is 5 and z is --CF.sub.3, and use of tile above liquid crystal as a liquid crystal display device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.