Bicarbzole containing compounds for OLEDs
US8227801B2 · kind B2 · utility
21Cited by
15References
23Claims
0Family size
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Key dates
| Filing date | Apr 26, 2010 |
| Grant date | Jul 24, 2012 |
| Priority date | — |
| Expiry date | Sep 20, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel organic compounds comprising a bicarbazole core are provided. In particular, the compound has a 3;3′-bicarbazole core substituted at the 9th position with at least one of dibenzofuran, dibenzothiophene, dibenzoselenophene, azadibenzofuran, azadibenzothiophene and azadibenzoselenophene. The compounds may be used in organic light emitting devices to provide devices having improved efficiency and improved lifetime.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.