Organic electroluminescent materials and devices
US10930864B2 · kind B2 · utility
0Cited by
35References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 13, 2018 |
| Grant date | Feb 23, 2021 |
| Priority date | — |
| Expiry date | Mar 19, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention includes novel metal complexes of 5H-benzimidazo[1,2-a]benzimidazole (“BimBim”) and related ligands. The novel ligands may coordinate to one or two metal centers. The metal complexes of the present invention comprising these ligands may be useful as emissive materials and n-dopants in OLED devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.