Transition metal complexes comprising one noncarbene ligand and one or two carbene ligands and their use in OLEDs
US8383828B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 3, 2007 |
| Grant date | Feb 26, 2013 |
| Priority date | — |
| Expiry date | Oct 26, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to heteroleptic carbene complexes comprising both carbene ligands and heterocyclic noncarbene ligands, to a process for preparing the heteroleptic carbene complexes, to the use of the heteroleptic carbene complexes in organic light-emitting diodes, to organic light-emitting diodes comprising at least one inventive heteroleptic carbene complex, to a light-emitting layer comprising at least one inventive heteroleptic carbene complex, to organic light-emitting diodes comprising at least one inventive light-emitting layer, and to devices which comprise at least one inventive organic light-emitting diode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.