Patent · US Expired

Polychromatic liquid crystal display with reflective electrode pads

US4589734A · kind A · utility

6Cited by
4References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 27, 1983
Grant dateMay 20, 1986
Priority date
Expiry dateMay 27, 2003

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F2201/52
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The array of electrodes of an active silicon backed matrix addressed liquid crystal cell incorporating a black guest dye arranged in groups whose individual members exhibit contrasting colors, typically, red, blue, green and optionally yellow, whereby a polychromatic image can be displayed.

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