Compounds with diazadibenzofurane or diazadibenzothiophene structures
US11530224B2 · kind B2 · utility
3Cited by
4References
52Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 28, 2017 |
| Grant date | Dec 20, 2022 |
| Priority date | — |
| Expiry date | Dec 6, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/549
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention describes diazadibenzofuran or diazadibenzothiophene derivatives substituted by carbazole, fluorene, phenanthrene, benzofuran and/or benzothiophene groups, especially for use in electronic devices. The invention further relates to a process for preparing the compounds of the invention and to electronic devices comprising these.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.