Liquid crystal device
US5455697A · kind A · utility
17Cited by
7References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 21, 1994 |
| Grant date | Oct 3, 1995 |
| Priority date | — |
| Expiry date | Jan 21, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K19/408
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A liquid crystal device wherein the liquid crystal material exhibits a smectic phase and cromprises at least one siloxane compound having the general formula ##STR1## in which R=alkyl, alkenyl or aryl, Q represents a monovalent group, for example alkyl --(CH.sub.2).sub.n OM', a chiral organic group, a dye group, a non-linear optic group or the group --(CH.sub.2).sub.n L in which L represents a siloxane group, M and M' each represent ##STR2## wherein A is carboxyl, T is CN, F or Cl and p=0 or 1, provided that when T is F or Cl x has a value of at least 2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.