| 摘要 |
A light sensor includes a control electrode formed on a substrate and having two edges, and a semiconductor film formed opposite the control electrode with an insulating film interposed therebetween, and including a photoactive layer and electrode regions located in a pair on opposite sides of the photoactive layer. The photoactive layer is arranged in an area that overlaps the control electrode. At least one of the paired electrode regions overlaps proximal one of the edges of the control electrode, and on and along the proximal edge, the at least one electrode region has a length shorter than that of the photoactive layer in a direction along the proximal edge of the control electrode.
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