| 摘要 |
PROBLEM TO BE SOLVED: To provide an electron transport material which contributes to the extension of the life of organic EL elements, the decrease of a driving voltage and the like and an organic EL element using this electron transport material.SOLUTION: A compound is represented by formula (1) (wherein Py is independently a group represented by formula (2), (3), (4) or (5), and -H in the anthracene ring, the naphthalene ring, the pyridine ring and the benzene ring in the formula may be independently substituted with deuterium, 1-6C alkyl or 3-6C cycloalkyl). |
