Patent · US Expired

Picture display device

US4455576A · kind A · utility

28Cited by
1References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 20, 1981
Grant dateJun 19, 1984
Priority date
Expiry dateNov 20, 2001

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G2320/0247
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An active matrix type liquid crystal display device driven by a switching transistor array consists of a MOS-FET is disclosed. A common electrode opposite to picture element electrodes is divided in a line direction by the width equivalent to plural lines of the picture element electrodes. The poralities of video signals applied to the picture element electrodes and of the voltage of the common electrode are inverted in the line sequential.

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