Patent · US Expired

Method of manufacturing a ferroelectric liquid crystal display device for a gradation display

US5936690A · kind A · utility

6Cited by
1References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 31, 1998
Grant dateAug 10, 1999
Priority date
Expiry dateMar 31, 2018

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F2203/30
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A liquid crystal display device comprising a pair of electrodes formed on a pair of substrates, a pair of orientation films formed on the substrates to cover said electrodes, and a liquid crystal layer interposed between the substrates, wherein a plurality of pixels are provided between the facing sides of the pair of electrodes, and the liquid crystal layer comprises, in each pixel, regions with continuously or stepwise varying threshold values.

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