Disclosed is an organic electroluminescent device including a substrate, a first and second electrode formed on the substrate, and a light-emitting layer formed between the first electrode and the second electrode. The light-emitting layer includes a plurality of materials which is a green luminescent material using a following chemical formula as a dopant. ##STR00001## In this case, at least one of A.sub.1 and A.sub.2 is selected from a substituted or non-substituted aromatic group, a heterocyclic group, an aliphatic group, and hydrogen.