公开(公告)号：US20240258445A1

公开(公告)日：2024-08-01

申请号：US18034591

申请日：2020-10-30

Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Sung-Yool Choi ,  Hyeok Jun Jin ,  Khang June Lee

IPC: H01L31/032 ,  H01L31/109 ,  H01L31/18

CPC classification number: H01L31/032 ,  H01L31/109 ,  H01L31/18

Abstract: The present invention relates to an optical sensor using ferroelectrics, including a substrate; a first type semiconductor stacked on the substrate; and a second type semiconductor in contact with the first type semiconductor to form a heterojunction structure, wherein at least one of the first type semiconductor or the second type semiconductor is ferroelectrics.