Patent · US Expired

Ferroelectric liquid crystal compounds and liquid crystal compositions

US4576732A · kind A · utility

112Cited by
7References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 28, 1983
Grant dateMar 18, 1986
Priority date
Expiry dateNov 28, 2003

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K19/603
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The present invention is characterized by a smectic liquid crystal compound represented by the following formula: ##STR1## wherein R is selected from alkyl and alkoxy groups; X from ##STR2## m and n are natural numbers; and R* is an optically active group containing an asymmetric carbon atom, and a liquid crystal composition containing said compound as a component. This compound is excellent in optical stability and high-speed response.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.