| abstract |
Provided are a novel spiro compound, and an organic luminescence device using the spiro compound and having anoptical output with an extremely high efficiency and a high luminance, and an extremely high durability. The spiro compound is represented by the following general formula [I]: (wherein R?1#191, R?2#191, R?3#191, and R?4#191 represent a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted amino group, a cyano group, or a halogen atom, and R?1#191, R?2#191, R?3#191, and R?4#191 may be identical or different from each other; and Ar?1#191 and Ar?2#191 represent a substituted or unsubstituted condensed polycyclic aromatic group or a substituted or unsubstituted condensed polycyclic heterocyclic group, which may be identical or different from each other.) |