Organic EL Device

An organic EL device comprising:

• an anode;
• a cathode;
• and
• one or more than one organic thin film layers including a light emitting layer adjacent to said anode and said cathode;
• wherein at least one of the said organic thin film layers contains a compound represented by the following formula (1), (2) or (3) or the mixture thereof:
• 16
• wherein Y represents an extending aromatic group of the following general formula (4), (5) or (6):
• 17
• wherein Ar1 group represents a substituted or unsubstituted aromatic hydrocarbon group or a substituted or unsubstituted aromatic heterocyclic group;
• X and Z represent a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, a substituted or unsubstituted amino group, a substituted or unsubstituted alkoxy group a substituted or unsubstituted aryloxy group or a substituted or unsubstituted alkoxycarbonyl group;
• and Rx is one or more functional groups represented by a hydrogen atom, a halogen atom, a nitro group, a cyano group, a carboxyl group, or X;
• and two of said Rx groups may form a ring.