公开(公告)号：US11837612B2

公开(公告)日：2023-12-05

申请号：US17239093

申请日：2021-04-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min-Jun Choi ,  In Gyu Baek ,  Bom I Sim ,  Jin Yong Choi

IPC: H01L27/146 ,  H01L49/02

CPC classification number: H01L27/14603 ,  H01L27/14621 ,  H01L27/14623 ,  H01L27/14627 ,  H01L27/14636 ,  H01L27/14645 ,  H01L27/14683 ,  H01L28/91

Abstract: An image sensor includes: a substrate including a first surface and a second surface on which light is incident, the second surface being opposite to the first surface; a photoelectric converter provided in the substrate; a first metal layer provided on the first surface of the substrate; a second metal layer provided on the first metal layer; and a capacitor layer provided between the first metal layer and the second metal layer, wherein the capacitor layer includes: a first lower electrode electrically connected to the first metal layer, a first upper electrode electrically connected to the second metal layer, a second upper electrode spaced apart from the first upper electrode and electrically connected to the second metal layer, a first capacitor provided between the first lower electrode and the first upper electrode, and a second capacitor provided between the first lower electrode and the second upper electrode.