Organic electroluminescence device and amine compound for organic electroluminescence device
US11856844B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 26, 2020 |
| Grant date | Dec 26, 2023 |
| Priority date | — |
| Expiry date | Apr 14, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K85/6576
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An organic electroluminescence device of an embodiment of the present disclosure includes a first electrode, a second electrode facing the first electrode, and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one organic layer of the plurality of organic layers includes an amine compound containing a fluorene group; an aryl group having 6 to 60 ring-forming carbon atoms, which is substituted to the fluorene group; a heteroaryl group having 2 to 60 ring-forming carbon atoms, which is substituted to the fluorene group; and at least one amine group, which is substituted to the fluorene group; wherein all the carbons of the aryl group are substituted with deuterium, and the organic electroluminescence device exhibits high efficiency and a long service life.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.