Carbazole compounds and organo-electroluminescent devices using the same
US8268458B2 · kind B2 · utility
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Key dates
| Filing date | Oct 27, 2009 |
| Grant date | Sep 18, 2012 |
| Priority date | — |
| Expiry date | Oct 19, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/103
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A carbazole compound represented by Formula 1:wherein X1, X2 and X3 are each independently selected from the group consisting of a hydrogen atom, a substituted or unsubstituted C1-C20 alkyl group, a substituted or unsubstituted C1-C20 alkoxy group, a substituted or unsubstituted C6-C30 aryl group, a substituted or unsubstituted C6-C30 arylalkyl group, a substituted or unsubstituted C2-C30 heteroaryl group, a substituted or unsubstituted C3-C20 cycloalkyl group and a substituted or unsubstituted C5-C30 heterocycloalkyl group; and l, m and n are each independently an integer from 0 to 5.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.