| 摘要 |
PROBLEM TO BE SOLVED: To obtain an organic compound that has excellent hole transporting capability and electron transporting capability, excellent durability to electrical oxidation-reduction and a high triplet excitation level, a charge transport material and an organic electroluminescent element that uses the organic compound and has high luminous efficiency and high driving stability. SOLUTION: The organic compound is represented by formula (1) (Cz<SP>1</SP>and Cz<SP>2</SP>are each a carbazolyl group; Cz<SP>1</SP>and Cz<SP>2</SP>may be the same or different; Q<SP>1</SP>and Q<SP>2</SP>are each a direct bond or an arbitrary connecting group; Q<SP>1</SP>and Q<SP>2</SP>may be the same or different; Cz<SP>1</SP>, Cz<SP>2</SP>, Q<SP>1</SP>, Q<SP>2</SP>, ring B<SP>1</SP>and ring B<SP>2</SP>may each contain a substituent group). COPYRIGHT: (C)2006,JPO&NCIPI
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