The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 05, 2020
Filed:
May. 14, 2018
Samsung Electronics Co., Ltd., Suwon-si, KR;
Minchul Lee, Seongnam-si, KR;
Kwanhee Lee, Seoul, KR;
Daeyoung Chung, Seoul, KR;
Sanghyun Cho, Hwaseong-si, KR;
Wonho Cho, Suwon-si, KR;
Hayoung Ko, Seoul, KR;
Jongsung Lee, Suwon-si, KR;
Heechang Hwang, Seoul, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
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.