公开(公告)号：US20220165763A1

公开(公告)日：2022-05-26

申请号：US17534706

申请日：2021-11-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Bokwon KIM ,  Changkyu Lee ,  Kwangmin LEE ,  Minhwan JEON ,  Jonguk KIM ,  Minsung HEO

IPC: H01L27/146

Abstract: An image sensor includes a first pixel; a second pixel disposed adjacent to the first pixel; a pixel isolation structure disposed between the first pixel and the second pixel; a rear side anti-reflective layer disposed on the first pixel, the second pixel, and the pixel isolation structure; and a fence disposed on the rear side anti-reflective layer aligning with the pixel isolation structure and including a buried air gap.