CPC H01L 27/14627 (2013.01) [H01L 27/14612 (2013.01); H01L 27/14621 (2013.01); H01L 27/14685 (2013.01); H04N 25/00 (2023.01)] | 21 Claims |
1. An imaging device comprising a micro lens comprising:
a first lens layer comprising a plurality of first micro lenses with inter pixel gaps therebetween; and
a second lens layer above the first lens layer;
wherein a thickness of the second lens layer at a central portion of one of the first micro lenses in the plurality of first micro lenses is less than a thickness of the second lens layer at a periphery of the one of the first micro lenses and throughout an inter pixel gap; and
wherein an inter pixel gap in an opposite side direction is smaller than an inter pixel gap in a diagonal direction.
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