Biscarbazole derivative, material for organic electroluminescence device and organic electroluminescence device using the same
申请人:Idemitsu Kosan Co., Ltd.
公开号:US10193077B2
公开(公告)日:2019-01-29
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.
本发明的双咔唑衍生物由下式(1)表示。
在式(1)中A1 代表具有 1 至 30 个环碳原子的取代或未取代的含氮杂环基团;A2 代表具有 6 至 30 个环碳原子的取代或未取代的芳香烃基团,或具有 1 至 30 个环碳原子的取代或未取代的含氮杂环基团;X1 和 X2 分别为连接基团;Y1 至 Y4 分别代表取代基;p 和 q 代表 1 至 4 的整数;r 和 s 代表 1 至 3 的整数。