Patent ID: 7233019

Claim:
An organic electronic device comprising at least one active layer between two electrical contact layers, wherein the at least one active layer comprises a compound represented by Formula I wherein: R 1 –R 4 =H or an Si(R 5 ) 3 -substituted aryl group, wherein said Si(R 5 ) 3 -substituted aryl group is a substituted aryl group having at least one Si(R 5 ) 3 group as a substituent, provided any substituents other than Si(R 5 ) 3 groups are alkyl or aryl groups; R 5 is C 1 –C 6 alkyl or silyl-substituted C 1 –C 6 alkyl, C 3 –C 6 cycloalkyl or silyl-substituted C 3 –C 6 cycloalkyl, or C 6 –C 10 aryl or silyl-substituted C 6 –C 10 aryl; and wherein at least one of R 1 –R 4 is an Si(R 5 ) 3 -substituted aryl group.