Optical device and electronic devices using the same

Abstract

An optical device such as an image sensor alleviates reduction in image quality caused by light reaching a peripheral circuit section other than a light receiving section. A semiconductor substrate includes an interconnect layer, a light receiving section provided with a plurality of light receiving elements on the interconnect layer, and a peripheral circuit section provided in a same layer as the light receiving section, and surrounding the light receiving section. Light entry elements are provided on a surface of the semiconductor substrate. A light shielding film is formed of a metal layer, and covers at least one part of a region corresponding to the peripheral circuit section. A first electrode is formed in the region corresponding to the peripheral circuit section, and in an opening of the light shielding film to be electrically isolated from the light shielding film.

Dependencies are inferred from the claim text.