Patent ID: 7119319

Claim:
A solid-state image sensing element having a photoelectric conversion element which converts incoming light into an electrical signal in accordance with an amount of the light, a microlens which is arranged on an incident surface, a light guide which is arranged between the photoelectric conversion element and the microlens, and an insulating interlayer which is arranged around the light guide, wherein said solid-state image sensing element located at a distance (H) satisfies: H · D L · P < a · N H N L ⁢ ⁢ ⁢ for ⁢ ⁢ 0 < a < 1 where L is a distance from an exit pupil of an image sensing optical system of an image sensing device, which mounts an image sensor formed by two-dimensionally arranging a plurality of said solid-state image sensing elements, H is a distance from a center of the image sensor to a position of said solid-state image sensing element on the image sensor, D is a height from said photoelectric conversion element to an apex of the microlens, P is a spacing between the plurality of solid-state image sensing elements, N H is a refractive index of the light guide, and N L is a refractive index of the insulating interlayer.