Image sensor and image capturing apparatus

摘要

An image sensor comprising a plurality of image sensing pixel groups is provided. Each of the image sensing pixel groups has a plurality of first pixels each having photoelectric conversion portions arrayed in first and second directions for first and second numbers of divisions, respectively, and a plurality of second pixels each having photoelectric conversion portions arrayed in the first and second directions for third and fourth numbers of divisions, respectively. The photoelectric conversion portions comprising the first pixel and the second pixel have a function of photoelectrically converting a plurality of images formed by divided light fluxes of a light flux from an imaging optical system and outputting a focus detection signal for phase difference detection. The first and third numbers of division are coprime natural numbers, and the second and fourth numbers of divisions are coprime natural numbers.

主权项

1. An image sensor comprising a plurality of image sensing pixels including a first pixel, a second pixel that is adjacent to the first pixel in a first direction, a third pixel that is adjacent to the first pixel in a second direction that is perpendicular to the first direction and a fourth pixel that is adjacent to the first pixel in a second direction and located opposite side of the first pixel to the third pixel in the second direction, wherein:
each of the first pixel, the second pixel, the third pixel and the fourth pixel includes a plurality of photoelectric conversion portions which photoelectrically convert a plurality of images and are separated by a separation band in the first direction; the plurality of photoelectric conversion portions output focus detection signals that are used for phase difference detection; the separation bands arranged in the first pixel and the separation band arranged in the second pixel deviate in the first direction, and the separation band arranged in at least one of the third pixel and the fourth pixel deviates differently from the first pixel in the first direction.