| 摘要 |
A photosensor includes a semiconductor thin film for photoelectric conversion having a first side portion and a second side portion. A source electrode extends in the longitudinal direction of the semiconductor thin film and has a side edge portion that overlaps the first side portion of the semiconductor thin film, and a drain electrode extends in the longitudinal direction and has a side edge portion that overlaps the second side portion of the semiconductor thin film. At least one of the side edge portions of the source and drain electrodes has protruding portions which are arranged along the longitudinal direction and which overlap the semiconductor thin film, and notched portions formed between the protruding portions. An ohmic contact layer is formed between the semiconductor thin film and the protruding portions of the at least one of the side edge portions of the source and drain electrodes.
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