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    • 9. 发明申请
    • AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME
    • 芳族胺衍生物和有机电致发光器件
    • US20080145707A1
    • 2008-06-19
    • US11855556
    • 2007-09-14
    • Nobuhiro YABUNOUCHIYoshiaki Aoyama
    • Nobuhiro YABUNOUCHIYoshiaki Aoyama
    • C07C211/54H01L51/54
    • H01L51/0059C07C211/54C09B57/00C09B57/008H01L51/0058H01L51/006H01L51/0081H01L51/5048H01L2251/308
    • The present invention provides a novel aromatic amine derivative enabling to obtain an organic electroluminescence device which is driven under a low voltage, exhibits small increase in the driving voltage after continuous driving for a long time and has a long life. The amine derivative is represented by the following general formula (1). In the formula, R1 to R7 each represent, for example, hydrogen atom or a substituted or unsubstituted aryl group having 5 to 50 nuclear carbon atoms; a represents an integer of 1 or greater; b, c, g and h each represent an integer of 1 to 5, and d, e and f each represent an integer of 1 to 4; and Ar1 and Ar2 represent a group represented by following general formulae (2) and (3), respectively, and the groups represented by Ar1 and Ar2 are not same with each other. R8 to R11 each represent, for example, hydrogen atom; and i and m each represent an integer of 1 to 5, j and k each represent an integer of 1 to 4, n and p each represent an integer of 0 or greater, and n≠p.
    • 本发明提供一种能够获得在低电压下驱动的有机电致发光器件的新型芳族胺衍生物,长时间连续驱动后的驱动电压的增加小,寿命长。 胺衍生物由以下通式(1)表示。 在该式中,R 1至R 7各自表示例如氢原子或取代或未取代的具有5至50个核碳原子的芳基; a表示1或更大的整数; b,c,g和h各自表示1〜5的整数,d,e和f各自表示1〜4的整数。 和Ar 1和Ar 2分别表示由以下通式(2)和(3)表示的基团,Ar 1表示的基团, SUP>和Ar <2>不相同。 R 9〜R 11各自表示例如氢原子; i和m各自表示1〜5的整数,j和k各自表示1〜4的整数,n和p各自表示0以上的整数,n