Organic electroluminescent materials and devices
US9397302B2 · kind B2 · utility
10Cited by
34References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 8, 2014 |
| Grant date | Jul 19, 2016 |
| Priority date | — |
| Expiry date | Oct 8, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/549
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel ligands for metal complex compounds that are useful as a phosphorescent emitter in organic light emitting devices that incorporate fluorinated side chains in the ligands are disclosed. Such metal complex has at least one substituent R selected from the group consisting of partially fluorinated alkyl, partially fluorinated cycloalkyl, and combinations thereof, wherein R is directly bonded to an aromatic ring, In the compound, C having an F attached thereto is separated by at least one carbon atom from the aromatic ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.