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.

Date of Patent:
Aug. 23, 2022

Filed:

Jun. 08, 2020
Applicant:

Zhejiang Super Lighting Electric Appliance Co., Ltd, Jinyun, CN;

Inventors:

Tao Jiang, Jiaxing, CN;

Zhichao Zhang, Jiaxing, CN;

Yukihiro Saito, Kawasaki, JP;

Hayato Unagiike, Kai, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21K 9/232 (2016.01); H01L 25/075 (2006.01); H01L 33/50 (2010.01); H01L 33/56 (2010.01); H01L 33/62 (2010.01); F21K 9/238 (2016.01); F21Y 115/10 (2016.01); F21Y 103/30 (2016.01); C08G 73/10 (2006.01); C08J 5/18 (2006.01);
U.S. Cl.
CPC ...
F21K 9/232 (2016.08); C08G 73/106 (2013.01); C08G 73/1071 (2013.01); C08G 73/1078 (2013.01); C08J 5/18 (2013.01); F21K 9/238 (2016.08); H01L 25/0753 (2013.01); H01L 33/504 (2013.01); H01L 33/507 (2013.01); H01L 33/56 (2013.01); H01L 33/62 (2013.01); C08J 2379/08 (2013.01); F21Y 2103/30 (2016.08); F21Y 2115/10 (2016.08);
Abstract

An LED filament and an LED light bulb applying the same are provided. The LED filament includes a conductive section including a conductor; two or more LED sections connected to each other by the conductive section, and each of the LED sections includes two or more LED chips electrically connected to each other through a wire; two electrodes, electrically connected to the LED section; and a light conversion layer with a top layer and a base layer, covering the LED sections, the conductive section and the two electrodes, and a part of each of the two electrodes is exposed respectively. The LED filament is supplied with electric power no more than 8 W, when the LED filament is lit, at least 4 lm of white light is emitted per millimeter of filament length.


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