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:
Jul. 31, 2018
Filed:
Oct. 10, 2014
Philips Lighting Holding B.v., Eindhoven, NL;
Dirk Jan Van Kaathoven, Eindhoven, NL;
Denis Joseph Carel Van Oers, Bocholt, BE;
PHILIPS LIGHTING HOLDING B.V., Eindhoven, NL;
Abstract
This invention relates to collimator () for a light source (), the collimator () comprising: a body (), a cavity () formed on a bottom side () of the body () for housing the light source (), the cavity () having an entrance surface () arranged for receiving light generated by the light source (), a total internal reflection, TIR, surface () provided at a side surface () of the body (), an exit surface () provided at a top side () of the body () and arranged for emission of collimated light, wherein the entrance surface () comprises surface roughness having a roughness value, such that improved light mixing of light from the light source () entering the collimator () is achieved.