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. 20, 2022
Filed:
Feb. 01, 2021
Xiamen Eco Lighting Co. Ltd., Xiamen, CN;
Hongkui Jiang, Xiamen, CN;
Yanzeng Gao, Xiamen, CN;
XIAMEN ECO LIGHTING CO. LTD., Xiamen, CN;
Abstract
The lighting device includes at least one filament module, a base, at least one pillar, and a base. The filament module includes more than two filaments. Each filament includes a substrate, multiple LED chips, a phosphor film, a top extended electrode, and a bottom extended electrode. Multiple LED chips are mounted on the substrate. The phosphor film covers the substrate and multiple LED chips. The top extended electrode and bottom extended electrode are connected to two ends of the substrate respectively. At least part of top extended electrode and bottom extended electrode are not covered by the phosphor film, and each top extended electrode of the filaments is fixed together.