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. 13, 2021
Filed:
Mar. 03, 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, Zhejiang, CN;
ZHEJIANG SUPER LIGHTING ELECTRIC APPLIANCE CO., LTD, Jinyun, CN;
Abstract
An LED filament light bulb, comprising: a lamp housing with inner surface and outer surface opposite to the inner surface of the lamp housing, the lamp housing includes a layer of luminescent material, which is formed on the inner surface or the outer surface of the lamp housing or integrated in the material of the lamp housing; a bulb base connected to the lamp housing; a stem connected to the bulb base and located in the lamp housing; and a single filament, disposed in the light housing, the LED filament comprising: a plurality of LED filament units, wherein each of the plurality of LED filament units includes a single LED chip with an upper surface and a lower surface opposite to the upper surface. The LED filament light bulb further comprising a plurality of supporting arms, connected with and supporting the LED filament, wherein the stem comprises a stand extending to the center of the lamp housing, the stand supports the supporting arms.