Polycyclic aromatic compound, material for an organic device, organic electroluminescent element, display apparatus and lighting apparatus
US11248009B2 · kind B2 · utility
1Cited by
1References
16Claims
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Key dates
| Filing date | Dec 21, 2019 |
| Grant date | Feb 15, 2022 |
| Priority date | — |
| Expiry date | Aug 6, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/549
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A polycyclic aromatic compound in which a plurality of aromatic rings are connected by a boron atom and an oxygen atom, a sulfur atom or a selenium atom and substituted by a specific aryl such as anthracene, is useful as a material for an organic device. By the polycyclic aromatic compound, an organic EL device having at least one of efficiency and device life can be provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.