| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a material for an organic EL developing a higher efficiency than conventional materials, and a material very useful particularly in an organic EL device using a phosphorescent material. <P>SOLUTION: The material is an amine compound represented by formula (1) (wherein rings A, B and C each denote an aromatic ring; R<SB POS="POST">1</SB>to R<SB POS="POST">9</SB>each independently denote a hydrogen atom, an alkyl group or the like; Ar<SB POS="POST">1</SB>to Ar<SB POS="POST">4</SB>each independently denote an aryl group which may has a substituent, or the like). <P>COPYRIGHT: (C)2012,JPO&INPIT |
