| 摘要 |
PROBLEM TO BE SOLVED: To provide an organic electroluminescent element with high luminous efficiency and a long luminous life. SOLUTION: The organic electroluminescent element contains a compound expressed in formula (1). Here in the formula (1), R<SB>1</SB>denotes a hydrogen atom or a substituent, at least one or more of R<SB>2</SB>to R<SB>9</SB>are a fluorine-containing aryl group, and the others denote a hydrogen atom or a substituent. COPYRIGHT: (C)2005,JPO&NCIPI
|
