Patent · US Expired

Display apparatus

US7202842B2 · kind B2 · utility

6Cited by
1References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 17, 2003
Grant dateApr 10, 2007
Priority date
Expiry dateApr 12, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G2330/02
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

The present invention comprises: a display unit having a plurality of display elements arranged in a matrix; a drive voltage generating circuit for generating a drive voltage for driving the plurality of display elements; a dataline drive circuit for generating a signal voltage according to display data, the signal voltage being for controlling the amount of current in a supply line of the drive voltage; a scanline drive circuit for selecting one or more of the plurality of display elements which is to be driven; and a pixel light emission control circuit for controlling a light emission time period of each display element according to a distance measured along a current path from the drive voltage generating circuit to the display element.

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