申请人:Yen Feng-Wen
公开号:US20080265746A1
公开(公告)日:2008-10-30
The present invention discloses a phenanthroline compound which can be used as electron-transporting material in organic electroluminescence devices is disclosed. The mentioned phenanthroline compound is represented by the following.
wherein Ar is selected from the group consisting of hydrogen atom, alkyl, aryl, wherein R
1
, R
2
and R
3
are identical or different. R
1
, R
2
and R
3
are independently selected from the group consisting of hydrogen atom, alkyl, halide, wherein X
1
, X
2
and X
3
are identical or different. X
1
, X
2
and X
3
are independently selected from the atom or group consisting of O, S, N—R
4
and R
4
is selected from the group consisting of hydrogen atom, alkyl, aryl.
本发明公开了一种苯并啉化合物,可用作有机电致发光器件中的电子传输材料。所述的苯并啉化合物由以下表示,其中Ar选自氢原子、烷基、芳基所组成的群,其中R1、R2和R3相同或不同。R1、R2和R3独立选自氢原子、烷基、卤素,其中X1、X2和X3相同或不同。X1、X2和X3独立选自O、S、N—R4和R4选自氢原子、烷基、芳基所组成的群。