| 摘要 |
Provided is an organic light emitting device which uses an aryl amine derivative using benzimidazole as a framework for a light emitting layer, thereby having high efficiency and long life. Disclosed are a heterocyclic compound represented by chemical formula 1 and an organic light emitting device comprising the same. <Chemical formula 1> Refer to detailed description on substituents of the chemical formula 1. |
