Patent · US Expired

Liquid crystal device having reduced-pressure region in communication with ferroelectric liquid crystal

US4682858A · kind A · utility

65Cited by
5References
42Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 8, 1985
Grant dateJul 28, 1987
Priority date
Expiry dateAug 8, 2005

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/1345
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A liquid crystal cell having a pair of substrates disposed with a gap therebetween and a liquid crystal injected through a liquid crystal injection port and enclosed in the gap between the substrates. The liquid crystal cell has spacer members disposed on at least one of the substrates, a liquid crystal layer region, the thickness of which is regulated by the spacer members, and a reduced pressure space communicating with the liquid crystal layer region.

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