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:
May. 26, 2020
Filed:
Jan. 29, 2019
Signify Holding B.v., Eindhoven, NL;
Theodoor Cornelis Treurniet, Best, NL;
Yan Xiong, Shanghai, CN;
Simon Eme Kadijk, Veldoven, NL;
Howard Jiang, Shanghai, CN;
Robert Zou, Shanghai, CN;
Guangliang Guo, Shanghai, CN;
SIGNIFY HOLDING B.V., Eindhoven, NL;
Abstract
A lighting device or a lamp bulb () with a smooth appearance comprises at least one light source (); a heat sink component (), having a bottom () and a side wall () extending from the bottom (), wherein the bottom () comprises a protrusion () and wherein the at least one light source () thermally contacts the protrusion () of the heat sink component (); and a cover provided on the sidewall () opposite to the bottom (), thereby defining an air chamber () between the cover, the side wall (), the bottom () and the protrusion ().