Foley & Lardner LLP
Biscarbazole derivative, material for organic electroluminescence device and organic electroluminescence device using the same
A biscarbazole derivative of the invention is represented by a formula (1) below.In the formula (1): A1 represents a substituted or unsubstituted nitrogen-containing heterocyclic group having 1 to 30 ring carbon atoms; A2 represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 ring carbon atoms, or substituted or unsubstituted nitrogen-containing heterocyclic group having 1 to 30 ring carbon atoms; X1 and X2 each are a linking group; Y1 to Y4 each represent a substituent; p and q represent an integer of 1 to 4; and r and s represent an integer of 1 to 3.
Idemitsu Kosan Co., Ltd.
Y H H C C H H H C C C C H C C H C H H
Y10S H01L H01L C09B C09K H01L H01L H01L C09K C09K C07D C09K H01L C09K C07D H01L C07D H01L H05B
additional additional additional inventional additional inventional inventional additional additional additional inventional inventional additional additional inventional additional inventional inventional inventional
Kazuki Kiyoshi Toshinari Tetsuya Kei Kumiko Mitsunori
Nishimura Ikeda Ogiwara Inoue Yoshida Hibino Ito