Patent ID: 7749619

Claim:
An organic electroluminescent element comprising a pair of electrodes having therebetween at least one constituting layer containing a phosphorescent light emitting layer and an electron transporting layer, wherein said electron transporting layer contains a compound represented by Formula (1-11): wherein Z 1 represents an aromatic heterocylic ring which is a pyridine ring and may have a substituent; Z 2 represents an aromatic heterocylic ring which is a pyridine ring and may have a substituent or an aromatic hydrocarbon ring which is 6-membered ring and may have a substituent; Z 3 represents a single bond; L represents a divalent linking group including one of a alkylene group, a cycloalkylene group, an arylene group and an aromatic heterocyclic group, each of which may have a substituent; and the two groups linked by L may be the same or different from each other.