Cyclic azine derivatives, processes for producing these, and organic electroluminescent element containing these as component
US9120773B2 · kind B2 · utility
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6References
10Claims
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Key dates
| Filing date | Aug 20, 2010 |
| Grant date | Sep 1, 2015 |
| Priority date | — |
| Expiry date | Sep 3, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K50/16
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A cyclic azine compound represented by general formula (1):wherein each Ar1 represents an aromatic group, which is unsubstituted or substituted by a C1-4 alkyl group, a phenyl group or a pyridyl group; and A represents a group selected from those which are represented by general formulae (2) to (5), described in the description. The cyclic azine compound is useful for an organic compound layer of fluorescent or phosphorescent EL device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.