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. 26, 2018
Filed:
Aug. 15, 2013
Philips Lighting Holding B.v., Eindhoven, NL;
Jian Xue, Shanghai, CN;
Chengyong Lei, Shanghai, CN;
PHILIPS LIGHTING HOLDING B.V., Eindhoven, NL;
Abstract
A heat dissipation structure () for a lighting device (), comprising: at least two separate heat sinks () for a light source () and a driver () for the light source (), respectively, each heat sink () comprising fins () and a wall arrangement (), wherein said at least two separate heat sinks () are disposed along an axial direction of the lighting device (), wherein the fins () of said at least two separate heat sinks () are enclosed by the wall arrangements () to form a chimney structure () arranged along said axial direction of the lighting device (), and wherein the chimney structure () comprises at least two sub-chimney structures () arranged fluidly in parallel to provide two air flows simultaneously, which reduces heat concatenation.