Patent ID: 11860383
Assignee: OMNIVISION TECHNOLOGIES, INC.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 0:
1. A flare-suppressing image sensor, comprising:
a plurality of image-sensor pixels within a semiconductor substrate and including a first set of pixels and a second set of pixels;
a plurality of microlenses each (i) in a microlens plane above the semiconductor substrate, (ii) aligned to a respective one of the first set of pixels, and (iii) having a width that is between a half micrometer and three micrometers;
a plurality of sub-microlens arrays each (i) in the microlens plane, (ii) aligned to a respective pixel of the second set of pixels, and (iii) including multiple sub-microlenses each having a width that is less than a width of each of the plurality of microlenses; and
a color filter array (CFA) between the microlens plane and the semiconductor substrate, wherein each filter of the CFA is one of a red filter, a green filter, a blue filter, a cyan filter, a magenta filter, a yellow filter, and a panchromatic filter;
none of the plurality of microlenses being aligned to any of the second set of pixels,
none of the plurality of sub-microlens arrays being aligned to any of the first set of pixels.