申请人:Ye Qing
公开号:US20100270537A1
公开(公告)日:2010-10-28
An optoelectronic device comprises a cathode; an electron-transporting layer comprising a compound of formula I;
a light emitting-layer; and an anode; wherein R
1
and R
2
are independently at each occurrence, hydrogen, a C
1
-C
20
aliphatic radical, a C
3
-C
20
aromatic radical, or a C
3
-C
20
cycloaliphatic radical; R
3
is H or alkyl; a and b are, independently at each occurrence 0, or an integer ranging from 1 to 3; n is 2 or 3; and Ar is an aryl.
一种光电子器件包括阴极; 一层电子传输层,包括化合物I的化合物; 一层发光层; 和一个阳极; 其中R1和R2在每次出现时独立地为氢,C1-C20脂肪基,C3-C20芳香基或C3-C20环脂肪基; R3为H或烷基; a和b在每次出现时独立地为0或1到3的整数; n为2或3; Ar为芳基。