Patent ID: 7622201

Claim:
An organic light emitting device comprising: a pair of electrodes formed of an anode and a cathode; and an organic compound layer containing an organic compound, the organic compound layer being interposed between the pair of electrodes, wherein the organic compound layer contains a pyrene compound represented by the following general formula (I): wherein R 1 and R 2 each represent a substituted or unsubstituted alkyl group, and R 1 and R 2 may be identical to or different from each other; and Ar 1 , Ar 2 , Ar 3 , and Ar 4 are each represented by the following general formula (II) wherein R 3 and R 4 each represent a group selected from the group consisting of a substituted or unsubstituted alkyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group, and a substituted or unsubstituted heterocyclic group, and R 3 and R 4 may be identical to or different from each other; and R 5 represents a group selected from the group consisting of a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted condensed polycyclic aromatic group, a substituted or unsubstituted condensed polycyclic heterocyclic group, a substituted or unsubstituted aryloxy group, a substituted amino group, a halogen atom, and a cyano group.