Patent ID: 7557370
Filing Date: 2009-07-07
Classification: H01L

Abstract:
1. An electronic device comprising a semiconductive material of Formula (I): wherein each R 1 , R 2 , R 3 and R 4 are independently hydrogen, a heteroatom containing group, alkyl, aryl, substituted alkyl, substituted aryl, alkylaryl, alkoxy, substituted alkoxy, or halogen; Ar and Ar′ each independently represents an aromatic moiety; Z represents sulfur, oxygen, selenium, or NR′″ wherein R′″ is hydrogen, alkyl, or aryl; x and y are independently from zero to about 12; a and b are independently from zero to about 4; c is from zero to about 10; d is from about 1 to about 10; e is from zero to about 4; f is from zero to about 6; g is from zero to about 10; and n represents the number of repeating units and is from about 2 to about 5,000.