Patent ID: 7973190

Claim:
A polycyclic fused ring type π-conjugated organic material having a structure represented by following formula (3): where Ar 3 is an aryl group, a substituted aryl group, a bivalent oligoarylene group, a bivalent substituted oligoarylene group, a monovalent heterocyclic group, a monovalent substituted heterocyclic group, a monovalent oligoheterocyclic group, or a monovalent substituted oligoheterocyclic group; R 1 and R 2 are independently a hydrogen atom, an alkyl group, an alkoxy group, an alkylthio group, an aryl group, an aryloxy group, an arylthio group, an arylalkyl group, an arylalkoxy group, an arylalkylthio group, an arylalkenyl group, an arylalkynyl group, an allyl group, an amio group, a substituted amino group, a silyl group, a substituted silyl group, a silyloxy group, a substituted silyloxy group, an arylsulfonyloxy group, an alkylsulfonyloxy group, a monovalent heterocyclic group, or a halogen atom; R 3 is a hydrogen group, an alkyl group, an alkylthio group, an aryl group, an arylthio group, an arylalkyl group, an arylalkylthio group, an arylalkenyl group, an arylalkynyl group, an allyl group, a hydroxyalkyl group, a hydroxymethyl group, a substituted hydroxymethyl group, a silyl group, a substituted silyl group, a stannyl group, a substituted stannyl group, magnesium halide, zinc halide, boronic acid, boronic ester, a boryl group, a monovalent heterocyclic group, or a halogen atom; R 5 is a hydrogen atom, an alkyl group, an alkoxy group, an alkylthio group, an aryl group, an aryloxy group, an arylthio group, an arylalkyl group, an arylalkoxy group, an arylalkylthio group, an arylalkenyl group, an arylalkynyl group, an allyl group, an amio group, a substituted amino group, a silyl group, a substituted silyl group, a silyloxy group, a substituted silyloxy group, an arylsulfonyloxy group, an alkylsulfonyloxy group, a substituted boryl group, a monovalent heterocyclic group, or a halogen atom; and o is an integer of 2.