An organic electroluminescent (EL) device comprised of a starburst aromatic amine compound represented by the formula ##STR1## wherein N is nitrogen; A.sup.1 to A.sup.3 each individually represent biaryl; R.sub.a, R.sub.b, and R.sub.c represent independently one of the functional groups of the following formulae ##STR2## wherein N is nitrogen; each Ar.sup.1 and Ar.sup.2 are aryl; R.sub.1 to R.sub.8 are substituents independently selected from the group consisting of hydrogen, halogen, hydrocarbon, and alkoxy; and X represents oxygen, sulfur, or an alkylene.
一种有机电致发光(EL)器件,由星形芳香胺化合物构成,该化合物由以下式子表示:##STR1## 其中N是氮;A.sup.1到A.sup.3各自表示双芳基;R.sub.a,R.sub.b和R.sub.c分别独立地表示以下式子中的一个功能基团:##STR2## 其中N是氮;每个Ar.sup.1和Ar.sup.2都是芳基;R.sub.1到R.sub.8是从氢、卤素、碳氢化合物和烷氧基组成的群体中独立选择的取代基;X表示氧、
硫或烷基。