Patent · US Expired

Alkenyl compound having a negative &Dgr;&egr; value, liquid crystal composition, and liquid crystal display device

US6692657B1 · kind B1 · utility

22Cited by
6References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 2, 1999
Grant dateFeb 17, 2004
Priority date
Expiry dateJun 2, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K2323/00
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Liquid crystalline compounds having a large negative &Dgr;∈ low viscosity, a large K33/K11 value, a small &Dgr;∈/&Dgr;⊥ and mutually excellent solubility even at low temperature, compositions containing at least one of the compounds and liquid crystal display devices containing such a liquid crystal compositions are disclosed.

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