ORGANIC ELECTROLUMINESCENT ELEMENT AND DISPLAY DEVICE

摘要

PROBLEM TO BE SOLVED: To provide an organic electroluminescent element with high luminescent efficiency obtained with a long half-period life, and an image display device using the above element as well as a lighting device. SOLUTION: The organic electroluminescent element contains a compound having a partial structure expressed in a general formula (1) or a tautomer of the compound. COPYRIGHT: (C)2005,JPO&NCIPI