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:
Feb. 16, 2021
Filed:
Aug. 15, 2017
General Electric Company, Schenectady, NY (US);
Dong Xing, Shanghai, CN;
Xin Zhou, Shanghai, CN;
Charles Shi, Shanghai, CN;
Jiyong Zhang, Shanghai, CN;
Fanbin Wang, Shanghai, CN;
Savant Technologies LLC, East Cleveland, OH (US);
Abstract
The present disclosure relates to a lighting apparatus, a driving circuit and driving method thereof. The lighting apparatus comprises a plurality groups of lighting elements and a driving circuit. Each group of lighting elements comprises at least one lighting element, each lighting element in a same group having a cathode connected to a common cathode node. The driving circuit comprises a plurality of voltage sources, each having a terminal connected to an anode of a respective lighting element in each group of lighting elements; and a plurality of current sources, each having a terminal connected to the common cathode node of a respective group of lighting elements.