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. 23, 2021
Filed:
Apr. 25, 2017
Signify Holding B.v., Eindhoven, NL;
Michel Cornelis Josephus Marie Vissenberg, Eindhoven, NL;
Jan De Graaf, Eindhoven, NL;
Grigory Alexandrovich Onushkin, Eindhoven, NL;
Lambert Johannes Stil, Eindhoven, NL;
SIGNIFY HOLDING B.V., Eindhoven, NL;
Abstract
A light emitting device () comprising a plurality of volume emitting LEDs (-) adapted for, in operation, emitting light, a substrate () on which said plurality of volume emitting LEDs is arranged, and an optical structure () comprising a surface () adapted for forming a light exit surface of the light emitting device, a first section () arranged such as to extend over said plurality of volume emitting LEDs opposite to the substrate, and a second section () comprising a plurality of light redirecting elements (-) adapted for redirecting light emitted by the plurality of volume emitting LEDs towards said surface of the optical structure by means of total internal reflection (TIR), the plurality of light redirecting elements (-) extending between adjacent volume emitting LEDs of the plurality of volume emitting LEDs and terminating adjacent to the substrate ().