| abstract |
An organic electroluminescent device having excellent blue color purity and luminous efficiency is provided. The light emitting layer includes a substrate, first and second electrodes formed on the substrate, and a light emitting layer formed between the first and second electrodes. Is a blue light emitting material using the chemical formula 1 as a dopant. Chemical formula 1 Embedded image Here, at least one of A1 and A2 is selected from a substituted or unsubstituted aromatic group, heterocyclic group, aliphatic group, and hydrogen. |