Patent · US Expired

Bistable liquid crystal display device in which nematic liquid crystal has monostable anchorings

US6327017A · kind A · utility

39Cited by
7References
65Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 14, 1998
Grant dateDec 4, 2001
Priority date
Expiry dateSep 14, 2018

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G2300/0486
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A display device including two parallel transparent plates (10, 12) having transparent electrodes on the inner surfaces thereof and containing a liquid crystal material (20). The device includes means defining a monostable anchoring for each plate (10, 12), means (40) controllable to break at least one of the anchorings, and means for thereafter inducing volume bistability.

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