公开(公告)号：US20190019000A1

公开(公告)日：2019-01-17

申请号：US15978586

申请日：2018-05-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Minchul LEE ,  Kwanhee LEE ,  Daeyoung CHUNG ,  Sanghyun CHO ,  Wonho CHO ,  Hayoung KO ,  Jongsung LEE ,  Heechang HWANG

IPC: G06K9/00 ,  H01L25/16 ,  G02B5/20 ,  G06F21/32 ,  G06F3/041 ,  G02B27/09

Abstract: An optics-based fingerprint sensor may include a first photodiode, a first metal shield structure that is formed on the first photodiode and includes a first opening, a first color filter structure that is formed on the first metal shield structure and including a second opening exposing the first opening, a second photodiode that is spaced apart from the first photodiode by a predetermined distance, a first nano-optical filter structure that is formed on the second photodiode, and a first band limit filter structure that is formed on the nano-optical filter structure.