Secondary hole transporting layer with diarylamino-phenyl-carbazole compounds
US9054323B2 · kind B2 · utility
1Cited by
32References
19Claims
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Key dates
| Filing date | Mar 15, 2012 |
| Grant date | Jun 9, 2015 |
| Priority date | — |
| Expiry date | Mar 16, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/40
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel diarylamino phenyl carbazole compounds are provided. By appropriately selecting the nature of the diarylamino substituent and the substitution on the carbazole nitrogen, compounds with appropriate HOMO and LUMO energies can be obtained for use as materials in a secondary hole transport layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.