Spirobifluorene compounds for organic electroluminescent devices
US11387414B2 · kind B2 · utility
1Cited by
13References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 7, 2020 |
| Grant date | Jul 12, 2022 |
| Priority date | — |
| Expiry date | Apr 14, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/549
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to spirobifluorene compounds of the formula (1) which are suitable for use in electronic devices, in particular organic electroluminescent devices, and to electronic devices which comprise these compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.