Polycyclic aromatic compounds and organic electroluminescent devices using the same
US10981938B2 · kind B2 · utility
1Cited by
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20Claims
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Key dates
| Filing date | Nov 19, 2019 |
| Grant date | Apr 20, 2021 |
| Priority date | — |
| Expiry date | Nov 19, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/103
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed are polycyclic aromatic compounds that can be employed in various organic layers of organic electroluminescent devices. Also disclosed are organic electroluminescent devices including the polycyclic aromatic compounds. The organic electroluminescent devices are highly efficient and long lasting and have greatly improved luminous efficiency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.