Patent · US Expired

Method for driving liquid crystal display device

US6683591B2 · kind B2 · utility

20Cited by
16References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 13, 1999
Grant dateJan 27, 2004
Priority date
Expiry dateDec 18, 2019

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G2300/0876
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

For enabling a liquid display drive with a low voltage and a high speed, each pixel is provided with a liquid crystal cell 5, a switching transistor 7 and an additional capacitance 9, and the additional capacitances are electrically commonly connected for a block of plural pixels. After the image signal is supplied to the pixels corresponding to the block, the potential of desired one of the common electrode lines 52, 52′, to which the additional capacitances 9 corresponding to the block are connected, is varied and retained at thus varied value.

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