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 (1A) or (1B) below.In the formula (1A) or (1B): 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.
C C C C C C C C C H H Y H H H H H H H
C09K C09K C09K C07D C09K C09K C07D C07D C09B H05B H01L Y10S H01L H01L H01L H01L H01L H01L H01L
additional additional additional inventional additional inventional inventional inventional inventional inventional additional additional inventional additional additional inventional additional inventional additional
Toshinari Kiyoshi Tetsuya Kei Kazuki Mitsunori Kumiko
Ogiwara Ikeda Inoue Yoshida Nishimura Ito Hibino