Patent · US Expired

Polarizer arrangement for a significant improvement in viewing angle characteristic in a liquid crystal display

US4418987A · kind A · utility

6Cited by
2References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 19, 1980
Grant dateDec 6, 1983
Priority date
Expiry dateAug 19, 2000

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/133531
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A pair of polarizers are respectively attached to a pair of substrates forming a twisted nematic field effect mode liquid crystal display. An orientation control film is disposed on each of the pair of substrates to orient liquid crystal molecules of a liquid crystal material in a desired direction. Each of the pair of polarizers is attached to an outer surface of the respective substrates such that the plane of polarization of each of the polarizers is not in parallel with or perpendicular to a direction oriented by the orientation control film.

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