Patent · US Expired

Liquid crystal display device

US4519679A · kind A · utility

14Cited by
5References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 8, 1982
Grant dateMay 28, 1985
Priority date
Expiry dateSep 8, 2002

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09F9/35
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A liquid crystal display device which has a good legibility and is easily produced has a first and a second polarizer with a TN type liquid crystal display element therebetween, the optical axes of the two polarizers being parallel to each other. A color filter is arranged to be in contact with either one of those polarizers and a transflector is arranged so as to be in contact with the color filter, the arrangement being such that the illumination of light is effected through the transflector.

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