Patent · US Expired

Optical modulation apparatus using ferroelectric liquid crystal and low-resistance portions of column electrodes

US4824218A · kind A · utility

37Cited by
5References
98Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 2, 1987
Grant dateApr 25, 1989
Priority date
Expiry dateApr 2, 2007

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G2320/0223
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A driving system is disclosed, wherein a potential gradient is formed in a pixel and is utilized for driving. Particularly, there is disclosed an optical modulation apparatus, comprising: a first substrate having thereon a conductor film, and a plurality of transmission lines disposed electrically connected to the conductor film; a second substrate; an optical modulation material disposed between the first and second substrate; and means for supplying a pair of electric signals in mutually opposite transmission directions to neighboring transmission lines among the plurality of transmission lines.

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