Compound and organic electroluminescence device
US10593889B1 · kind B1 · utility
11Cited by
14References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2019 |
| Grant date | Mar 17, 2020 |
| Priority date | — |
| Expiry date | Mar 15, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K50/171
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
To provide a compound represented by the following formula (1-5).Two of *1 are fused with a group represented by the formula (1A) to form a nitrogen atom-containing five-membered ring; and two of *2 are fused with a group represented by the formula (1A), which is different from the group bonded with the two of *1, to form a nitrogen atom-containing five-membered ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.