Condensed polycyclic compound and organic light-emitting...

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Reexamination Certificate

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C428S917000, C313S504000, C313S506000, C257S040000, C257SE51049, C585S026000, C585S027000

Reexamination Certificate

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07338721

ABSTRACT:
A new condensed polycyclic compound represented by general formula [I]:wherein R1is hydrogen, halogen, cyano, a substituted amino or a group selected from the group consisting of alkyl, aralkyl, aryl, heterocyclic, each having no substituent or a substituent; and Ar1to Ar5are the same or different and are each independently a condensed polycyclic aromatic group or a condensed polycyclic heterocyclic group, each having no substituent or a substituent is used for an organic light-emitting device that is extremely efficient in a light output with high luminance and is extremely durable.

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