Patent ID: 8354724
Filing Date: 2013-01-15
Classification: H01L

Abstract:
1. A semiconductor device comprising: a first terminal electrically connected to a first electric power source, the first terminal supplying a first electric potential; a photoelectric conversion element electrically connected to the first terminal, the photoelectric conversion element outputting a first voltage; a first transistor including a first gate electrode, a first drain electrode and a first source electrode, the first gate electrode and the first drain electrode being electrically connected to the photoelectric conversion element, the first transistor outputting a first current from the first source electrode by the first voltage applied to the first gate electrode; a first wiring electrically connected to the first terminal in parallel to the photoelectric conversion element; a second transistor including a second gate electrode, a second drain electrode and a second source electrode, the second gate electrode being electrically connected to the photoelectric conversion element, the second drain electrode being electrically connected to the first wiring, the second transistor outputting a second current from the second source electrode by the first voltage applied to the second gate electrode; a second wiring electrically connected to a point where the first source electrode and the second source electrode are electrically connected to each other; and a second terminal electrically connected to the second wiring, the second terminal supplying a second electric potential lower than the first electric potential, wherein the first current and the second current flow in the second wiring, wherein the first wiring and the second wiring are provided in a meandering shape, wherein the first wiring includes a plurality of island-shaped first conductors and a plurality of island-shaped second conductors, and wherein the plurality of island-shaped first conductors are electrically connected alternately by the plurality of island-shaped second conductors.