Patent · US Expired

Driving apparatus and method for an active matrix type liquid crystal display apparatus

US5598177A · kind A · utility

10Cited by
5References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 21, 1994
Grant dateJan 28, 1997
Priority date
Expiry dateDec 21, 2014

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G2310/0251
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A driving method of the invention is suitable for an active matrix type liquid crystal display apparatus having row and column electrodes. The driving method includes the steps of applying a gate-one pulse for writing data for one line to the column electrodes to each of the row electrodes. The gate-on pulse has a pulse waveform which includes at least one concave portion during a horizontal period.

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