Perylene compound and organic light emitting device using the compound

An organic light emitting device, comprising:

• an anode;
• a cathode;
• and
• an organic compound layer which is sandwiched between the anode and the cathode,
• wherein one of the anode and the cathode is transparent or semi-transparent,
• wherein the organic compound layer is an emission layer comprising a host and a guest,
• wherein the guest comprises a perylene compound represented by the following general formula (1):
• where R1 to R8 each represent a hydrogen atom or a substituted or unsubstituted alkyl group;
• and Ar1 to Ar4 each represent a substituent represented by the following general formula (2) or (3):
• where X11 to X17 each represent a substituent selected from the group consisting of a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aromatic hydrocarbon group, and a substituted or unsubstituted heterocyclic group, and adjacent substituents may be bonded to each other to form a ring structure;
• and Y1 and Y2 each represent a hydrogen atom or a substituted or unsubstituted alkyl group,
• where X21 to X27 each represent a substituent selected from the group consisting of a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aromatic hydrocarbon group, and a substituted or unsubstituted heterocyclic group, and adjacent substituents may be bonded to each other to form a ring structure, and
• wherein the light emission layer emits blue or green light.