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.
H H H Y C C C H H C H C H C H C C C H
H01L H01L H01L Y10S C09K C09B C09K H05B H01L C07D H01L C07D H01L C09K H01L C07D C09K C09K H01L
additional additional inventional additional additional inventional additional inventional additional inventional inventional inventional additional additional inventional inventional additional inventional additional
Mitsunori Kumiko Toshinari Kiyoshi Kei Tetsuya Kazuki
Ito Hibino Ogiwara Ikeda Yoshida Inoue Nishimura