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. 28, 2019
Filed:
Oct. 13, 2015
Signify Holding B.v., Eindhoven, NL;
SIGNIFY HOLDING B.V., Eindhoven, NL;
Abstract
The invention provides a lighting device comprising a light source and a heat sink (). The heat sink () is configured to dissipate thermal energy from the light source when in operation. The heat sink comprises a plurality of pin-shaped fins () and a support (), wherein each fin () has a fin height (h) relative to the support (), a bottom part () associated with the support () and a top part (), a cross-section having a first width (d) and a second width (d) having a ratio d/dselected from the range of 1.2-10, and a first width axis, wherein the first width axes of the pin-shaped fins () are arranged parallel, and wherein the pin-shaped fins () are hollow over at least part of their fin height (h).