Patent · US Expired

Smectic liquid crystals

US4613209A · kind A · utility

132Cited by
14References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 23, 1982
Grant dateSep 23, 1986
Priority date
Expiry dateMar 23, 2002

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K2019/325
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The use of a certain class of liquid crystal materials that exhibit a smectic C phase allows the production of a bistable liquid crystal display element. Such bistable display elements promote the use of matrix addressing for liquid crystal based elements in a display.

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