Patent · US Expired

Liquid crystal display apparatus with the application of black level signal for suppressing light leakage

US5105288A · kind A · utility

47Cited by
10References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 16, 1990
Grant dateApr 14, 1992
Priority date
Expiry dateOct 16, 2010

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G2320/0209
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A liquid crystal display apparatus in which leakage of light caused by signal lines can be eliminated is disclosed. In the liquid crystal display apparatus, a predetermined potential corresponding to the black level is applied to the video signal lines during a period of time other than the horizontal blanking period, and image signals are transferred to one row of the pixels through the signal lines which the horizontal blanking period.

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