This invention relates to a shape of the particulate material that can be used as an organic semiconductor material , the fine particles , 50 ~350 temperature of the furnace when the organic semiconductor fine particles , characterized in that the thermotropic liquid crystal of the phase change material in the liquid crystal state , the organic semiconductor thin film and an organic transistor . According to the present invention , it is easy to manufacture the organic semiconductor thin film is formed uniformly over a large area by the print film-forming method, with high electron mobility and high on / off value and having , by a dispersion coating method using a particle the organic fine particles can provide an organic semiconductor material capable of forming a semiconductor thin film , an organic semiconductor thin film and an organic transistor .
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