Patent · US Active

Light-emitting material comprising orthometalated iridium complex, light-emitting device, high efficiency red light-emitting device, and novel iridium complex

US7951472B2 · kind B2 · utility

5Cited by
9References
45Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 16, 2010
Grant dateMay 31, 2011
Priority date
Expiry dateMar 16, 2030

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S428/917
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An organic light-emitting device comprising a light-emitting layer or a plurality of thin organic compound layers containing a light emitting layer interposed between a pair of electrodes, wherein at least one layer comprises at least one light emitting material containing a compound having a partial structure represented by following formula (21) or a tautomer thereof:wherein the compound having the partial structure represented by formula (21) has two or more different ligands.

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