CPC H01L 27/14621 (2013.01) [H01L 27/1463 (2013.01); H01L 27/14603 (2013.01); H01L 27/14609 (2013.01); H01L 27/14627 (2013.01); H01L 27/14643 (2013.01); H01L 27/14685 (2013.01); H04N 23/10 (2023.01)] | 18 Claims |
1. An image sensor comprising:
a photoelectric conversion element disposed in a substrate;
a fence structure disposed on the substrate and including a low refractive index layer stacked on a barrier layer, wherein the barrier layer includes at least one metal; and
a color filter disposed inwardly lateral with respect to a sidewall of the fence structure,
wherein the barrier layer includes an outward lateral stepped recess that underlays at least a portion of the fence structure.
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