Patent · US Expired

OLED current drive pixel circuit

US6734636B2 · kind B2 · utility

287Cited by
3References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 21, 2002
Grant dateMay 11, 2004
Priority date
Expiry dateJun 21, 2022

Classification

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

Abstract

There is provided a method for driving an organic light emitting diode (OLED) pixel circuit. The method includes applying a first signal to a terminal of the OLED when setting a state of the pixel circuit, and applying a second signal to the terminal when viewing the state. There is also provided a driver for an OLED pixel circuit, where the driver employs this method.

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