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. 05, 2023
Filed:
Oct. 16, 2019
Applicant:
Phograin Technology (Shenzhen) Co., Ltd., Guangdong, CN;
Inventors:
Assignee:
PHOGRAIN TECHNOLOGY (SHENZHEN) CO., LTD., Guangdong, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/107 (2006.01); G01S 17/02 (2020.01); H01L 31/0224 (2006.01); H01L 31/0304 (2006.01); H01L 31/0352 (2006.01); H01L 31/18 (2006.01);
U.S. Cl.
CPC ...
H01L 31/107 (2013.01); G01S 17/02 (2013.01); H01L 31/022408 (2013.01); H01L 31/03046 (2013.01); H01L 31/035272 (2013.01); H01L 31/1844 (2013.01);
Abstract
Provided are a photodetector, a manufacturing method thereof, and a lidar system. A photosensitive region of the photodetector is circular and has a diameter range of 100-300 μm. Compared with a conventional photodetector having a photosensitive region with a diameter of 50 μm, the photodetector of the present invention can have a detection range greater than 200 m, responsivity greater than 20 A/W and a dark current less than 10 nA.