Light-emitting material comprising orthometalated iridium complex, light-emitting device, high efficiency red light-emitting device, and novel iridium complex
US7951472B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2010 |
| Grant date | May 31, 2011 |
| Priority date | — |
| Expiry date | Mar 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.