Organic electroluminescent materials and devices
US11038137B2 · kind B2 · utility
0Cited by
33References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 3, 2018 |
| Grant date | Jun 15, 2021 |
| Priority date | — |
| Expiry date | Apr 14, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to compounds containing fused dibenzo more-than-six-membered heterocycles or azaheterocycles. These compounds may be useful as host materials for phosphorescent electroluminescent devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.