Material for organic electroluminescence device and organic electroluminescence device
US9530969B2 · kind B2 · utility
26Cited by
1References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 6, 2013 |
| Grant date | Dec 27, 2016 |
| Priority date | — |
| Expiry date | Dec 14, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/90
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An organic electroluminescence device employing a specific biscarbazole derivative having a cyano group as a first host and a compound having both a carbazole structure and a nitrogen-containing aromatic heteroring as a second host. The organic electroluminescence device has a prolonged lifetime.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.