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. 04, 2023
Filed:
Jun. 08, 2022
Applicant:
Hangzhou Hangke Optoelectronics Co., Ltd., Hangzhou, CN;
Inventors:
Qianjun Yan, Hangzhou, CN;
Yaoxing Wang, Hangzhou, CN;
Zhaozhang Zheng, Hangzhou, CN;
Lingli Ma, Hangzhou, CN;
Assignee:
Hangzhou Hangke Optoelectronics Co., Ltd., Hangzhou, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21K 9/232 (2016.01); F21V 23/00 (2015.01); F21V 19/00 (2006.01); F21Y 115/10 (2016.01);
U.S. Cl.
CPC ...
F21K 9/232 (2016.08); F21V 19/0025 (2013.01); F21V 23/002 (2013.01); F21Y 2115/10 (2016.08);
Abstract
A filament and a bulb are provided. The support in the filament includes a plurality of board bodies, and two adjacent board bodies are connected by a conductive connecting pin and an outer end of each of the board bodies at both ends is connected with a conductive pin. The bulb includes a lamp cap, a shell, a stem sealed with the shell, a conductive support fixed to the stem and a plurality of the LED filaments, the filaments are electrically connected to the conductive support.