Patent · US Expired

Liquid crystal device

US5121238A · kind A · utility

6Cited by
2References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 11, 1989
Grant dateJun 9, 1992
Priority date
Expiry dateOct 11, 2009

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F2413/01
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A liquid crystal display wherein chromatic aberration is reduced by superimposing an anisotropic film on a ferroelectric liquid crystal where the anisotropic film is located between a pair of polarizing plates and is selected from the group consisting of polycarbonates, polyvinylalcohol, polyacetates, polyethylene, polyester, polyimides, polyamides, polyvinylchloride, and polystyrene.

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