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. 27, 2023
Filed:
Nov. 15, 2021
Zhejiang Super Lighting Electric Appliance Co., Ltd, Zhejiang, CN;
Tao Jiang, Jiaxing, CN;
Wei-Hong Xu, Jiaxing, CN;
Yukihiro Saito, Jiaxing, JP;
Hayato Unagiike, Jiaxing, JP;
Ai-Ming Xiong, Jiaxing, CN;
Jun-Feng Xu, Jiaxing, CN;
Yi-Ching Chen, Taichung, TW;
ZHEJIANG SUPER LIGHTING ELECTRIC APPLIANCE CO., LTD., Zhejiang, CN;
Abstract
An LED light bulb comprising a lamp housing, a bulb base, connected to the lamp housing, a stem connected to the bulb base and located in the lamp housing; an LED filament, disposed in the lamp housing, where points of the LED filament in an xyz coordinates are defined as x, y, and z, an x-y plane of the xyz coordinates is perpendicular to the height direction of the LED light bulb, an z-axis of xyz coordinates is parallel with the stem, and the projection of the LED filament on the x-y plane, y-z plane and x-z plane respectively has a length L1, L2 and L3, and the length L1, the length L2, and the length L3 are substantially in a ratio of 1:(0.5 to 1):(0.6 to 0.9).