US 11,728,359 B2
Image sensor having two-colored color filters sharing one photodiode
Kyoung-In Lee, Icheon-si (KR); Min-Su Cho, Icheon-si (KR); Sung-Wook Cho, Icheon-si (KR); and Yun-Kyung Kim, Busan (KR)
Assigned to SK hynix Inc., Icheon-si (KR); and Dong-A University Research Foundation for Industry-Academy Cooperation, Busan (KR)
Filed by SK hynix Inc., Icheon-si (KR); and Dong-A University Research Foundation For Industry-Academy Cooperation, Busan (KR)
Filed on Oct. 4, 2021, as Appl. No. 17/493,663.
Application 17/493,663 is a continuation of application No. 16/540,419, filed on Aug. 14, 2019, granted, now 11,158,660.
Claims priority of application No. 10-2018-0132181 (KR), filed on Oct. 31, 2018.
Prior Publication US 2022/0028910 A1, Jan. 27, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H01L 27/146 (2006.01); H10K 59/60 (2023.01)
CPC H01L 27/14621 (2013.01) [H01L 27/14627 (2013.01); H01L 27/14643 (2013.01); H01L 27/14645 (2013.01); H10K 59/60 (2023.02)] 20 Claims
OG exemplary drawing
 
1. An image sensor comprising:
first to third image detection color filter sets and a phase difference detection color filter set, which are arranged adjacent to each other in a matrix with rows and columns,
wherein the phase difference detection color filter set comprises at least four phase difference detection color filter pairs arranged in a matrix with rows and columns, and
wherein each of the phase difference detection color filter pairs comprises a left phase difference detection color filter and a right phase difference detection color filter,
wherein the left phase difference detection color filter and the right phase difference detection color filter have different colors from each other.