Patent · US Expired

Thin film EL display panel drive circuit

US4983885A · kind A · utility

11Cited by
3References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 29, 1988
Grant dateJan 8, 1991
Priority date
Expiry dateNov 29, 2008

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G2310/0275
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A thin-film EL display panel drive circuit capable of varying the drive voltage according to changes in the number of emitting picture elements.

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