ORGANIC ELECTROLUMINESCENT MATERIAL AND ORGANIC ELECTROLUMINESCENT ELEMENT CONTAINING THE SAME

摘要

An organic electroluminescent element which is deep-red in the luminescent state and comprises a substrate (1), a pair of electrodes (2 and 6) formed thereon, and a luminescent layer (4) sandwiched between the electrodes, wherein the luminescent layer contains a europium compound represented by formula (1) (wherein R1 and R2 each represents an allyl compound and at least either thereof has a conjugated double bond; and R3 represents phenyl, methyl, or methoxy) and an Alq3 represented by formula (2).