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. 04, 2022
Filed:
Sep. 15, 2020
Hangzhou Hangke Optoelectronics Group Co., Ltd., Hangzhou, CN;
Hangzhou Hangke Optoelectronics Group Co., Ltd., Hangzhou, CN;
Abstract
A filament lamp lighting module and a manufacturing method thereof, the filament lamp lighting module comprise: at least two upper bridges with at least two bridge arms; and at least three lower bridges with at least one bridge arm; the lower bridge includes two rectifying bridges comprising rectifying bridge arms; the rectifying bridges are connected with the external power supply, the rectifying bridge arms are respectively connected with one ends of two rectifying diodes, and the other ends of the two rectifying diodes are respectively connected with different upper bridges to form a rectifying circuit; the lower bridge includes a bridge arm connected with one end of the filament, and the other end of the filament is connected with an upper bridge arm for rectifying and supplying power to the filament.