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:
Aug. 07, 2018
Filed:
Apr. 08, 2015
Philips Lighting Holding B.v., Eindhoven, NL;
Hongxia Li, Shanghai, CN;
Yan Xiong, Shanghai, CN;
Yemei He, Shanghai, CN;
Shi Dong Lin, Shanghai, CN;
Qingqing Jiang, Shanghai, CN;
Haoyang Shi, Shanghai, CN;
PHILIPS LIGHTING HOLDING B.V., Eindhoven, NL;
Abstract
Disclosed is a lighting device () comprising a heat sink () having an annular portion () including an annular surface portion () delimiting a central aperture (), said annular surface portion () carrying a plurality of SSL elements (); and a bulbous member () cooperating with the heat sink (), said bulbous member () having a first surface portion () opposite said SSL elements () and a second surface portion () extending from said first surface portion () through said central aperture (); wherein the bulbous member () is used as a light guide member for light emitted by the plurality of SSL elements (). A luminaire including such a lighting device () is also disclosed.