1. A solid-state imaging device comprising: a substrate; a plurality of photoelectric conversion elements arranged in a one-dimensional or two-dimensional array above the substrate, the plurality of photoelectric conversion elements being divided into a plurality of photoelectric conversion element groups; a semiconductor substrate between the substrate and the plurality of photoelectric conversion elements, corresponding to each of the plurality of photoelectric conversion element groups; and a signal output section in the semiconductor substrates, wherein the signal output section outputs a signal corresponding to an electric charge generated in each photoelectric conversion elements of a photoelectric conversion element group corresponding to the semiconductor substrate.