Patent · US Expired

Driving circuit for use in cholesteric liquid crystal display device

US7319451B2 · kind B2 · utility

0Cited by
10References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 30, 2003
Grant dateJan 15, 2008
Priority date
Expiry dateNov 12, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G2320/0666
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A liquid crystal display device of the present invention comprises: a liquid crystal display panel; a cholesteric liquid crystal layer in the liquid crystal panel; a data controller having a connection with the liquid crystal display panel, wherein the data controller receives red, green and blue data signals from an external source and provides the signals to the liquid crystal panel; and a data amplifying circuit in the data controller, the data amplifying circuit selecting one of the red, green and blue data signals and then overdriving the selected data signal.

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