Patent · US Expired

Liquid crystal display device

US5035928A · kind A · utility

2Cited by
1References
6Claims
0Family size

Assignees

Inventors

Key dates

Filing dateSep 4, 1990
Grant dateJul 30, 1991
Priority date
Expiry dateSep 4, 2010

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K2323/027
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Disclosed is an improvement of an active matrix type liquid crystal display device using a combination of a specific mixed liquid crystal and a specific polyimide orientation film.

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