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. 23, 2020
Filed:
May. 04, 2016
Signify Holding B.v., Eindhoven, NL;
Hendrikus Hubertus Petrus Gommans, Eindhoven, NL;
Jochen Renaat Gheluwe, Eindhoven, NL;
SIGNIFY HOLDING B.V., Eindhoven, NL;
Abstract
A tubular light comprises an elongate light source () and a tubular housing () around the light source. An optical beam shaping arrangement () is provided within the housing. It has an effective focal distance, in the plane perpendicular to the length axis, which varies in dependence on the angular position around the optical beam shaping arrangement. The effective focal distance is longer for light in a light output optical axis direction than for light output laterally to the sides of the light output optical axis. This means the beam shaping, e.g. collimation, is greater at the edges of the light output beam than in the middle, so there is light mixing within the output beam.