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:
Sep. 03, 2024
Filed:
Sep. 20, 2021
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventor:
Akito Inoue, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/146 (2006.01);
U.S. Cl.
CPC ...
H01L 27/14605 (2013.01); H01L 27/1461 (2013.01); H01L 27/14623 (2013.01); H01L 27/14643 (2013.01); H01L 27/14685 (2013.01); H01L 27/14689 (2013.01);
Abstract
A photodetector includes a first APD that is sensitive to incident light and a second APD through which a constant current flows regardless of the incident light. One terminal of the first APD is electrically connected to one terminal of the second APD, another terminal of the first APD and another terminal of the second APD are connected to different power supplies, respectively, and the one terminal of the first APD and the one terminal of the second APD are both anodes or cathodes.