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:
Jun. 23, 2020
Filed:
Jun. 05, 2019
Xiamen Eco Lighting Co. Ltd., Xiamen, CN;
Liangliang Cao, Xiamen, CN;
Yuxin Huang, Xiamen, CN;
XIAMEN ECO LIGHTING CO. LTD., Xiamen, CN;
Abstract
A light bulb includes a bulb housing, a heat sink, and a head housing arranged in series along a longitudinal axis of the light bulb. The light bulb includes a first filament having a first LED chip capable of emitting a first light with a first color characteristic, and a second filament having a second LED chip capable of emitting a second light with a second color characteristic. The first filament and the second filament are spiral along a transverse axis perpendicular to the longitudinal axis of the light bulb. The light bulb further includes a driving module configured to enable one or a combination of the first filament and the second filament to emit light.