申请人:——
公开号:US20030088043A1
公开(公告)日:2003-05-08
Disclosed are compounds according to formula (I),
1
wherein R′ and R″ are selected from the group consisting of R′=SiR
1
R
2
R
3
and R″=H; R′=SiR
1
R
2
R
3
and R″=SiR
4
R
5
R
6
; R′=Ar
1
SiR
1
R
2
R
3
and R″=H; and R′=Ar
1
SiR
1
R
2
R
3
and R″=Ar
2
SiR
4
R
5
R
6
;
R
1
, R
2
, R
3
, R
4
, R
5
, and R
6
are independently selected from the group consisting of hydrogen, alkyl, alkenyl, alkynyl, aryl, cycloalkyl, cycloalkenyl, cycloalkynyl, arylalkyl, arylalkenyl, and arylalkynyl;
Ar
1
and Ar
2
are independently selected from the group consisting of arylene, arylenealkylene, arylenealkynylene, heteroarylene, heteroarylenealkylene, heteroarylenealkenylene and heteroarylenealkylene; and
n is at least 20.
Such compounds may be used as an emissive layer in a polymer light-emitting diode (PLED), which itself may be used in electroluminescent devices.
本发明涉及一种式(I)的化合物,其中R′和R″选择自R′=SiR1R2R3和R″=H的组合;R′=SiR1R2R3和R″=SiR4R5R6的组合;R′=Ar1SiR1R2R3和R″=H的组合;以及R′=Ar1SiR1R2R3和R″=Ar2SiR4R5R6的组合;其中,R1、R2、R3、R4、R5和R6是独立选择自氢、烷基、烯基、炔基、芳基、环烷基、环烯基、环炔基、芳基烷基、芳基烯基和芳基炔基的组合;Ar1和Ar2是独立选择自芳基烷基、芳基烯基、芳基炔基、杂芳基、杂芳基烷基、杂芳基烯基和杂芳基炔基的组合;n至少为20。这样的化合物可以用作聚合物发光二极管(PLED)中的发光层,该PLED本身可用于电致发光装置。