	US 12,449,567 B2
	Image sensor including color separating lens array and electronic apparatus including the image sensor
Hongkyu Park, Yongin-si (KR); Seokho Yun, Seoul (KR); and Minwoo Lim, Suwon-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on May 3, 2024, as Appl. No. 18/654,786.
Application 18/654,786 is a continuation of application No. 17/514,780, filed on Oct. 29, 2021, granted, now 12,007,584.
Claims priority of application No. 10-2020-0143875 (KR), filed on Oct. 30, 2020; and application No. 10-2021-0083125 (KR), filed on Jun. 25, 2021.
Prior Publication US 2024/0288611 A1, Aug. 29, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. G02B 3/00 (2006.01); G02B 1/115 (2015.01); H04N 23/60 (2023.01); H04N 25/11 (2023.01)

CPC G02B 3/0006 (2013.01) [G02B 1/115 (2013.01); H04N 23/60 (2023.01); H04N 25/11 (2023.01)]

20 Claims

1. An image sensor comprising:

a sensor substrate including a first pixel configured to sense light of a first wavelength and a second pixel configured to sense light of a second wavelength;

a spacer layer on the sensor substrate;

a color separating lens array configured to condense the light of the first wavelength and the light of the second wavelength incident on the color separating lens array respectively toward the first pixel and the second pixel of the sensor substrate, the color separating lens array including a first lens layer on the spacer layer and a second lens layer on the first lens layer, the first lens layer comprising a first pixel region and a second pixel region corresponding respectively to the first pixel and the second pixel of the sensor substrate, each of the first pixel region and the second pixel region comprising a plurality of nanoposts and a dielectric material provided between the plurality of nanoposts; and

an etch prevention layer on the plurality of nanoposts and the dielectric material of the first lens layer of the color separating lens array.