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:
Jan. 14, 2025
Filed:
Nov. 21, 2022
Signify Holding B.v., Eindhoven, NL;
Johannes Petrus Maria Ansems, Hulsel, NL;
Jan De Graaf, Uden, NL;
Michal Jan Horaczek, Best, NL;
Wessel Peter Deurwaarder, Eindhoven, NL;
SIGNIFY HOLDING B.V., Eindhoven, NL;
Abstract
The invention provides a light generating system () comprising one or more light generating devices (), a lightguide element (), a reflector (), and optionally a light transmissive envelope (), wherein: (A) the one or more light generating devices () are configured to generate device light (); (B) the lightguide element () comprises a light transmissive body () comprising light transmissive material (), which is light transmissive for the device light (); wherein the light transmissive body () comprises an axis of elongation () and a body length (L1), wherein the light transmissive body () comprises a first end () and a second end (); wherein the light transmissive body () comprises (i) a first outer face (), comprised by the first end (), (ii) a second outer face (), comprised by the second end (), and (iii) an external side face () bridging a distance between the first outer face () and the second outer face () and having a distance (d1) to the axis of elongation (); wherein d1<L1; wherein a second outer face part () of the second outer face () is configured to provide a cavity () for hosting at least part of the reflector (); (C) the reflector () is a diffuse reflector for the device light (), wherein at least part of the reflector () is configured in at least part of the cavity (); (D) the one or more light generating devices (), the lightguide element (), and the reflector () are configured such that (i) at least part of the device light () is incoupled in the lightguide element () via the first outer face (), (ii) at least part of the incoupled device light () escapes from the lightguide element () via the external side face () and via the second outer face (), such as via the second outer face part (and/or the rim part), (iii) at least part of the device light () that propagated to the second outer face part () is reflected by the reflector (); and (E) at least part of the lightguide element () is configured within the optional light transmissive envelope (), wherein the light transmissive envelope () is transmissive for at least part of the device light ().