	US 12,266,672 B2
	Image sensing device
Sun Ho Oh, Icheon-si (KR); Sung Kun Park, Icheon-si (KR); and Kyoung In Lee, Icheon-si (KR)
Assigned to SK HYNIX INC., Icheon-si (KR)
Filed by SK hynix Inc., Icheon-si (KR)
Filed on Jun. 1, 2023, as Appl. No. 18/327,195.
Application 18/327,195 is a division of application No. 17/092,738, filed on Nov. 9, 2020, granted, now 11,682,687.
Claims priority of application No. 10-2020-0057387 (KR), filed on May 13, 2020.
Prior Publication US 2023/0307480 A1, Sep. 28, 2023
Int. Cl. H01L 27/146 (2006.01); H01L 27/148 (2006.01)

CPC H01L 27/1463 (2013.01) [H01L 27/14612 (2013.01); H01L 27/14831 (2013.01); H01L 27/14603 (2013.01); H01L 27/14605 (2013.01); H01L 27/14614 (2013.01); H01L 27/14616 (2013.01); H01L 27/14641 (2013.01); H01L 27/14643 (2013.01)]

9 Claims

1. An image sensing device comprising:

a plurality of unit pixel groups consecutively arranged in a first direction and a second direction perpendicular to the first direction,

wherein each of the unit pixel groups includes first to fourth unit pixels adjacent to each other, wherein each of the first to fourth unit pixels includes a plurality of active regions divided by a device isolation structure,

wherein the active regions in the fourth unit pixel are arranged in a different structure from the active regions of the first to third unit pixels,

wherein each of the first to third unit pixels includes first to third active regions, and the fourth unit pixel include fourth and fifth active regions,

wherein the fourth active region is disposed at a center portion of the fourth unit pixel, and the fifth active region surrounds side surfaces of the fourth active region in four directions.