| abstract |
Organic EL device having an organic EL layer with a structural formula 1 below or a dopant with a structural formula 1 below. n n n Where, X represents O, S, or N—R, wherein R represents a hydrogen, an aliphatic hydrocarbon, or a heterocyclic compound, and Y represent an alkyl group, a cyclic compound, or a heterocyclic compound containing at least one electron absorptive group. |