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:
Jan. 30, 2024
Filed:
Jan. 20, 2021
Applicant:
Samsung Display Co., Ltd., Yongin-si, KR;
Inventors:
Young Ok Park, Seoul, KR;
Jun Woo You, Seongnam-si, KR;
Byung Hoon Kim, Hwaseong-si, KR;
June Hyoung Park, Seoul, KR;
Assignee:
SAMSUNG DISPLAY CO., LTD., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06V 40/13 (2022.01); H10K 59/40 (2023.01);
U.S. Cl.
CPC ...
G06V 40/1318 (2022.01); H10K 59/40 (2023.02);
Abstract
A fingerprint sensor includes: a light sensing layer including a light sensing element, wherein a sensing current flows in the light sensing element according to incident light; and a collimator layer disposed on the light sensing layer and including a light guide unit guiding light to the light sensing element. The light guide unit includes: a light-transmitting unit configured to provide light to the light sensing element; and a first light-blocking unit disposed on an inner surface of the light-transmitting unit.