Invention Grant
- Patent Title: Filament lamp lighting module and manufacturing method thereof
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Application No.: US17021729Application Date: 2020-09-15
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Publication No.: US11215326B2Publication Date: 2022-01-04
- Inventor: Qianjun Yan , Qili Xu , Zhaozhang Zheng
- Applicant: Hangzhou Hangke Optoelectronics Group Co., Ltd.
- Applicant Address: CN Hangzhou
- Assignee: Hangzhou Hangke Optoelectronics Group Co., Ltd.
- Current Assignee: Hangzhou Hangke Optoelectronics Group Co., Ltd.
- Current Assignee Address: CN Hangzhou
- Agency: Schwegman Lundberg & Woessner, P.A.
- Priority: CN202010441512.7 20200522,CN202020876173.0 20200522,CN202010626383.9 20200702,CN202021266072.8 20200702
- Main IPC: F21K9/235
- IPC: F21K9/235 ; F21V23/04 ; F21K9/90 ; F21K9/232

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.
Public/Granted literature
- US20210364133A1 FILAMENT LAMP LIGHTING MODULE AND MANUFACTURING METHOD THEREOF Public/Granted day:2021-11-25
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