Electron transporting compounds
US8415031B2 · kind B2 · utility
15Cited by
32References
29Claims
0Family size
Assignee
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Key dates
| Filing date | Jan 24, 2011 |
| Grant date | Apr 9, 2013 |
| Priority date | — |
| Expiry date | Apr 8, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K85/626
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds comprising an aza-dibenzo moiety and a condensed aromatic moiety having at least three benzene rings are provided. In particular, the compounds may comprise an azadibenzofuran, azadibenzothiophene, or azadibenzoselenophene joined directly or indirectly to an anthracene. The compounds may be used in the electron transport layer of organic light emitting devices to provide devices with improved properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.