Patent · US Expired

Liquid crystal compound and liquid crystal display device

US5374375A · kind A · utility

15Cited by
11References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 26, 1992
Grant dateDec 20, 1994
Priority date
Expiry dateJun 26, 2012

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C69/94
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A liquid crystal compound represented by formula (I), ##STR1## wherein A represents --C.sub.3 H.sub.7, --C.sub.4 H.sub.9 or --C.sub.8 H.sub.17 ; when A is --C.sub.3 H.sub.7, m is an integer of 8, 10, 12 or 14; and when A is --C.sub.4 H.sub.9 or --C.sub.8 H.sub.17, m is an integer of 7 to 14, said compound having an antiferroelectric phase.

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