Spiro compound and organic luminescence device using the same
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United States of America Patent
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Mar 31, 2009
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N/A
app pub date -
Aug 12, 2003
filing date -
Aug 27, 2002
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Abstract
Provided are a novel spiro compound, and an organic luminescence device using the spiro compound and having an optical 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]: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.)
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