Phenyl biphenylpyrimidine compound and an organic electroluminescent device using the same
US11393983B2 · kind B2 · utility
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5References
13Claims
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Key dates
| Filing date | Sep 27, 2019 |
| Grant date | Jul 19, 2022 |
| Priority date | — |
| Expiry date | Sep 11, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K50/18
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present disclosure provides phenyl biphenylpyrimidine compounds of formula (I) and an organic electroluminescent device using the same: wherein X1 and A1 each independently represents substituted or unsubstituted C6-30 aryl or substituted or unsubstituted C5-30 heteroaryl having at least one heteroatom selected from the group consisting of N, O, and S, and n represents an integer of 1 or 2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.