US 12,087,793 B2
Image sensor including an anti-reflection element and electronic apparatus including the same
Sangyun Lee, Yongin-si (KR); Sookyoung Roh, Yongin-si (KR); and Seokho Yun, Seoul (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Nov. 23, 2022, as Appl. No. 17/993,639.
Claims priority of application No. 10-2021-0167686 (KR), filed on Nov. 29, 2021.
Prior Publication US 2023/0170365 A1, Jun. 1, 2023
Int. Cl. H01L 27/146 (2006.01)
CPC H01L 27/14623 (2013.01) [H01L 27/1462 (2013.01); H01L 27/14621 (2013.01); H01L 27/14625 (2013.01); H01L 27/14627 (2013.01); H01L 27/1463 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An image sensor comprising:
a sensor substrate including a plurality of first pixels, configured to sense light of a first wavelength, and a plurality of second pixels, configured to sense light of a second wavelength; and
an anti-reflection element provided on the sensor substrate,
wherein the anti-reflection element includes:
a plurality of low-refractive index patterns; and
a high-refractive index layer provided between the plurality of low-refractive index patterns and the sensor substrate,
wherein each of the plurality of low-refractive index patterns is provided directly on the high-refractive index layer, and
wherein the plurality of low-refractive index patterns are two-dimensionally arranged, in a plan view, on the high-refractive index layer.