Patent · US Expired

Color twisted nematic liquid crystal displays

US7236219B2 · kind B2 · utility

0Cited by
6References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 28, 2003
Grant dateJun 26, 2007
Priority date
Expiry dateMar 27, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F2203/34
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The present invention relates to color liquid crystal displays without the use of color filters. By carefully choosing the design parameters of a liquid crystal display, it is possible to obtain vivid colors from the display as a function of the operating voltage.

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