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. 31, 2022
Filed:
Nov. 16, 2019
Applicant:
Foshan Electrical and Lighting Co., Ltd, Guangdong, CN;
Inventors:
Jiang Xie, Guangdong, CN;
Di Huang, Guangdong, CN;
Yiguang Zhu, Guangdong, CN;
Jianhui Chen, Guangdong, CN;
Assignee:
FOSHAN ELECTRICAL AND LIGHTING CO., LTD, Foshan, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 45/50 (2022.01); H05B 45/375 (2020.01); H05B 45/325 (2020.01);
U.S. Cl.
CPC ...
H05B 45/375 (2020.01); H05B 45/325 (2020.01); H05B 45/50 (2020.01);
Abstract
A LED driving circuit based on a T-shaped lamp tube including: an input rectifying circuit, a Buck circuit, an IC power supply circuit, a PWM control integrated circuit, a compatible electronic ballast circuit, and an output rectifying and filtering circuit. The present application can realize the compatibility of single-ended input of AC mains, double-ended input of AC mains and double-ended input of an electronic ballast, and is simple in circuit, small in size, high in efficiency and stable in performance.