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. 05, 2018
Filed:
Apr. 28, 2014
Philips Lighting Holding B.v., Eindhoven, NL;
Antonius Adrianus Maria Marinus, Eindhoven, NL;
Coen Theodorus Hubertus Fransiscus Liedenbaum, Oss, NL;
Hendrik Jan Eggink, Eindhoven, NL;
PHILIPS LIGHTING HOLDING B.V., Eindhoven, NL;
Abstract
There is provided a lighting device () which is suitable for a retrofit LED lamp, and which comprises an envelope () surrounding an inner volume (), of which envelope an outer surface () is arranged for distributing light from a multiple of light sources () of the lighting device. An inner surface () of the envelope is utilized for providing a low thermal resistance of the lighting device on a system level by being at least partly covered by a sheet metal element (). Driver electronics () of the light sources are arranged within the inner volume.