Patent ID: 9219871
Filing Date: 2015-12-22
Classification: G02B,G03B,H01L,H04N

Abstract:
1. An imaging device configured to receive an image formed by an optical system, the imaging device comprising pixels that are two-dimensionally arranged, each of the pixels comprising: a micro lens; a photoelectric conversion unit positioned below the micro lens; and an optical aperture disposed between the micro lens and the photoelectric conversion unit and that is eccentric with respect to an optical axis of the micro lens, wherein all pixels of the imaging device output a signal for obtaining focal point information and comprise first pixels and second pixels; wherein each of the first pixels has a first aperture ratio, a first optical aperture corresponding to the first aperture ratio and does not include the optical axis, and wherein each of the second pixels has a second aperture ratio that is greater than the first aperture ratio, a second optical aperture corresponding to the second aperture ratio and includes the optical axis.