| abstract |
A compound represented by formula (1): n n n n n n n n n n wherein R 1 to R 8 , R 12 to R 18 , R 21 to R 25 , R 31 to R 48 , L 1 to L 3 , and Ar are as defined in the specification, n provides a high performance organic electroluminescence device which comprises a cathode, an anode and an organic layer between the cathode and the anode, n wherein the organic layer comprises a light emitting layer and at least one layer of the organic layer comprises the compound. |