Compound, material for organic electroluminescence device, organic electroluminescence device, and electronic device
US11548877B2 · kind B2 · utility
1Cited by
8References
17Claims
0Family size
Assignee
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Key dates
| Filing date | May 22, 2020 |
| Grant date | Jan 10, 2023 |
| Priority date | — |
| Expiry date | May 22, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K50/156
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An organic electroluminescence device having an improved performance and a compound represented by formula (1), which is a novel material that enables the organic electroluminescence device:wherein, X, Ar1 to Ar5, R1 to R20, *a, and *b are the same as those defined in the specification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.