| abstract |
An organic electroluminescence device having high luminous efficiency (low driving voltage, power consumption, etc.) and good driving durability is provided. In an organic electroluminescent device having at least one organic compound layer including a light emitting layer between a pair of electrodes, at least one of the organic compound layers has no substituent or is substituted. -An organic electroluminescent device containing at least one of bi-indole or 3,3'-bi-carbazole compound. [Selection figure] None |