| 摘要 |
An organic semiconductor material characterized by having a structure represented by chemical formula 1, the planarity of a main chain A1-X-A2 being disintegrated by steric hindrance between B1 and X and steric hindrance between B2 and X, the organic semiconductor material having a number average molecular weight of about 2,000 to about 200,000: wherein A1, A2, B1, B2 and X each have a skeleton structure comprising L 6 pi electron rings, M 8 pi electron rings, N 10 pi electron rings, O 12 pi electron rings, P 14 pi electron rings, Q 16 pi electron rings, R 18 pi electron rings, S 20 pi electron rings, T 22 pi electron rings, U 24 pi electron rings, and V 26 pi electron rings, wherein L, M, N, O, P, Q, R, S, T, U, and V are each an integer of 0 (zero) to 6 and L+M+N+O+P+Q+R+S+T+U+V=1 to 6; and B1 and B2 have an alkyl group.
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