Carbene containing metal complexes as OLEDs
US7956192B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Aug 18, 2009 |
| Grant date | Jun 7, 2011 |
| Priority date | — |
| Expiry date | Aug 18, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for preparing a compound having the formula L2IrL′ is provided. The process comprises:combiningand L′ in the presence of an organic solvent to form a mixture, wherein L is a suitable carbene ligand precursor coordinated to Ir; and L′ is a bidentate ligand or two monodentate ligands, and L is different from L′;Also provided is a process for preparing a compound having the formulaThe process comprises: A process for preparing a compound with the formula L3Ir is also provided. This process comprises combiningand L in the presence of alcohol and a base to form a mixture, wherein L is a bidentate ligand that may form a five-membered chelate ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.