HETEROCYCLIC COMPOUND, ORGANIC LIGHT-EMITTING ELEMENT COMPRISING SAME, AND COMPOSITION FOR ORGANIC LAYER
HETEROCYCLIC COMPOUND, ORGANIC LIGHT-EMITTING ELEMENT COMPRISING SAME, AND COMPOSITION FOR ORGANIC LAYER
The present specification relates to a heterocyclic compound represented by Chemical Formula 1, an organic light emitting device including the same, and a composition for an organic material layer.