Oblon, McClelland, Maier & Neustadt, L.L.P.
Compound, material for organic electroluminescence devices, organic electroluminescence device, and electronic device
A compound represented by formula (1) provides an organic electroluminescence device having a low driving voltage and an excellent emission efficiency: wherein R1 to R8, R11 to R18, R21 to R28, R31 to R38, X, Y, L1, L2, L3, and Ar are as defined in the description. 
IDEMITSU KOSAN CO., LTD.
H H H C C H H H H
H01L H01L H01L C07D C07D H01L H01L H01L H01L
inventional inventional inventional inventional inventional inventional additional additional inventional
Tasuku Yu Hirokatsu
Haketa Kudo Ito