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:
Feb. 26, 2019
Filed:
May. 13, 2015
Philips Lighting Holding B.v., Eindhoven, NL;
Arno Vredenborg, Eindhoven, NL;
PHILIPS LIGHTING HOLDING B.V., Eindhoven, NL;
Abstract
The invention provides a luminaire for illuminating a road, comprising a light source (), a reflector arrangement () defining a light entrance window () at the top to which light is supplied by the light source () and a larger light exit window () at the bottom, and an optical plate () over the light exit window (). The optical plate () comprises an array of elongate prisms which each extend in a side-to-side direction corresponding to the width direction of the road. The reflector () is primarily responsible for control of the light output in the road width direction and the optical plate () is primarily responsible for control of the light output in the road length direction.