Imaging Device

Details Imaging Device Imaging Device

2007-06-26

2007-06-26

Spector, David N. (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By surface composed of lenticular elements

C359S619000, C348S340000, C348S335000, C348S333080

Reexamination Certificate

active

10578226

ABSTRACT:
There is provided an imaging device which is small in light loss, is operable to suppress an occurrence of a stray light, and is operable to provide an image with a high quality as far as a periphery thereof. The imaging device operable to output an image of an object as an electrical image signal, comprising: a solid-state imaging sensor including pixels which are two dimensionally arranged on a first flat surface and each of which has a photo-electric conversion function; and a lens array including micro lenses two dimensionally arranged on a second flat surface separately provided so as to be parallel to the first flat surface, in which the solid-state imaging sensor includes an imaging area of unit including a plurality of pixels, and each of the micro lenses forms an optical image of the object on a corresponding imaging area of unit and satisfies a predetermined condition, arctan(L/f)≦θ, for a pixel, from among pixels included in an imaging area of unit corresponding to each micro lens, positioned farthest from an optical axis of a corresponding micro lens. Here, θ is a maximum angle of an incident light capable of entering a pixel, f is a focal length of a micro lens, and L is a diameter of a circle circumscribing an imaging area of unit corresponding to one of the micro lenses.

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