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:
Nov. 20, 2018
Filed:
Nov. 20, 2017
Philips Lighting Holding B.v., Eindhoven, NL;
Antonius Adrianus Maria Marinus, Eindhoven, NL;
Erik Paul Boonekamp, Eindhoven, NL;
Hendrik Jan Eggink, Eindhoven, NL;
PHILIPS LIGHTING HOLDING B.V., Eindhoven, NL;
Abstract
A lamp comprising: a solid-state lighting element; a light guide having two oppositely arranged outer surfaces and a circumferential edge joining the respective circumferences of the two outer surfaces, the light guide being arranged to couple in light emitted by the solid-state lighting element at the circumferential edge; and two slits arranged in the light guide and adapted to couple light out from the light guide, wherein each of the two slits extends from one of the outer surfaces to the other one of the outer surfaces, the two slits at least partly crossing each other inside the light guide.