Light-emitting polymers and polymer light-emitting diodes

Abstract

Disclosed are compounds according to formula (I), ##STR1## wherein R' and R" are selected from the group consisting of R'=SiR.sub.1 R.sub.2 R.sub.3 and R"=H; R'=SiR.sub.1 R.sub.2 R.sub.3 and R"=SiR.sub.4 R.sub.5 R.sub.6 ; and R'=Ar.sub.1 SiR.sub.1 R.sub.2 R.sub.3 and R"=Ar.sub.2 SiR.sub.4 R.sub.5 R.sub.6 ; R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, and R.sub.6 are independently selected from the group consisting of hydrogen, alkyl, alkenyl, alkynyl, aryl, cycloalkyl, cycloalkenyl, cycloalkynyl, arylalkyl, arylalkenyl, and arylalkynyl; Ar.sub.1 and Ar.sub.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.