Patent · US Expired

Display apparatus controlling brightness of current-controlled light emitting element

US7199768B2 · kind B2 · utility

40Cited by
4References
19Claims
0Family size

Assignees

Inventors

Key dates

Filing dateFeb 23, 2004
Grant dateApr 3, 2007
Priority date
Expiry dateJul 23, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G2320/043
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A display apparatus according to the present invention is equipped with a data writing section that includes a data line which supplies electric potential and a first switching section that controls writing of electric potential supplied, and a threshold voltage detecting section that includes a second switching section which controls conduction between a gate electrode and a drain electrode of the driver element and a current light emitting element which is a capacitor that supplies electric charge to the driver element.

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