Light-receiving element and light-receiving device comprising the same

Abstract

It is to prevent optical coupling of the light that makes incident on an optical film obliquely and a light-receiving part of a light-receiving element, in an optical system where the light-receiving element is disposed on an emission-face side of the optical film that is formed with a dielectric multilayer film. A light-shielding film layer is formed on the light-receiving element itself. That is, the light-shielding film layer is formed on the incident-face side of the light-receiving element, and an opening is formed on the light-shielding film layer at a position that corresponds to a p-region. The size of the opening is so set that only the parallel light or the light close to that state is optically coupled with the p-region, based on a distance from the incident face to the p-region of the light-receiving part region.

Dependencies are inferred from the claim text.