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:
Jan. 22, 2019
Filed:
Feb. 26, 2016
Philips Lighting Holding B.v., Eindhoven, NL;
Peter Johannes Martinus Bukkems, Eindhoven, NL;
Aldegonda Lucia Weijers, Eindhoven, NL;
Johannes Petrus Maria Ansems, Eindhoven, NL;
Peter Rijskamp, Eindhoven, NL;
PHILIPS LIGHTING HOLDING B.V., Eindhoven, NL;
Abstract
A retrofit light bulb () is disclosed. The retrofit light bulb () comprises a substantially flat heat spreader () having an opening (); first and second cover members () sandwiching the heat spreader (), each cover member () having a protruding portion () directed away from the heat spreader () and aligned with the opening (), the two protruding portion () together forming a compartment (); and one or more solid state lighting devices () mounted on a carrier () arranged in said compartment (), in thermal contact with the heat spreader (), wherein said one or more solid state lighting devices () are arranged so that each protruding portion () receives light directly from each solid state lighting device (). The compartment thus forms a single light mixing chamber in which light emitted by all of the SSL devices is mixed.