Patent ID: 8153277

Claim:
A compound represented by the following general formula (1), which has a thiadiazole ring structure substituted with a substituted pyridyl group: wherein Ar represents a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group or a substituted or unsubstituted condensed polycyclic aromatic group; R1, R2, R3, R4 and R5, one of which is a linking group and the others of which may be the same of different, each represents a hydrogen atom, a cyano group, an alkyl group or a substituted or unsubstituted aromatic hydrocarbon group; R6, R7, R8, R9 and R10, two of which are linking groups and the others of which may be the same or different, each represents a hydrogen atom, a fluorine atom, a cyano group, an alkyl group or a substituted or unsubstituted aromatic hydrocarbon group; m represents an integer of 1 to 3; and n represents an integer of 0 to 4, provided that when n=0, the case where all the four groups of R1, R2, R3, R4 and R5 excepting the linking group are hydrogen atoms is excluded and provided that when m=1 R1, R2, R3, R4 and R5, one of which is a linking group and the others of which may be the same of different, each represents a hydrogen atom, a cyano group or a substituted or unsubstituted aromatic hydrocarbon group.