| 摘要 |
An liquid crystalline organic semiconductor material practical as an organic semiconductor is provided. The material is a liquid crystal composition having a smectic liquid crystal phase. The liquid crystalline organic semiconductor material has a distyrylbenzene structure of formula (1). When heated to a temperature range for the smectic liquid crystal phase followed by being cooled, the material takes on a solid state as a result of phase transition from the smectic phase. Wherein R1 and R2, which may be the same or different, each represent an alkyl group, an alkoxy group or a group of general formula (2): Wherein R3 represents a hydrogen atom or a methyl group; and B represents—(CH2)m—,—(CH2)m—O—,—CO—O—(CH2)m,—CO—O—(CH2)m—O—,—C6H4—CH2—O—or—CO—.
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