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:
Apr. 20, 2021
Filed:
Apr. 10, 2019
Zhejiang Super Lighting Electric Appliance Co., Ltd, Zhejiang, CN;
Tao Jiang, Zhejiang, CN;
Wei-Hong Xu, Zhejiang, CN;
Yukihiro Saito, Zhejiang, CN;
Hayato Unagiike, Zhejiang, CN;
Ai-Ming Xiong, Zhejiang, CN;
Jun-Feng Xu, Zhejiang, CN;
Yi-Ching Chen, Taichung, TW;
ZHEJIANG SUPER LIGHTING ELECTRIC APPLIANCE CO., LTD, Zhejiang, CN;
Abstract
An LED light bulb, comprising: a lamp housing, doped with a golden yellow material or coated with a yellow film on its surface, a bulb base, connected with the lamp housing, a stem with a stand extending to the center of the lamp housing, disposed in the lamp housing, LED filament disposed in the lamp housing, at least a half of the LED filament is around a center axle of the LED light bulb, where the center axle of the LED light bulb is coaxial with the axle of the stand. two conductive supports, connected with the stem and the LED filament, a driving circuit, electrically connected with both the conductive supports and the bulb base.