公开(公告)号：US10921505B2

公开(公告)日：2021-02-16

申请号：US16300095

申请日：2017-04-27

Applicant: Lumileds LLC

Inventor： Varun Dev Kakkar ,  Hugo Johan Cornelissen ,  Giovanni Cennini

IPC: G02B6/00 ,  F21V7/04 ,  F21V8/00 ,  F21V7/00

Abstract: A lighting arrangement and a method of coupling light into a light guide are described. A light source is embedded within a light guide. The light guide includes first and second outer surfaces arranged on opposite sides. A forward direction extends from the light source parallel to the first outer surface. A collimator is embedded within the light guide. The collimator comprises a first reflector surface facing towards the second outer surface and a second reflector surface facing towards the first outer surface. The light source is arranged to emit light between the first and second reflector surfaces. The first reflector surface is arranged at least substantially parallel to the forward direction. At least a portion of the second reflector surface is arranged under an angle to the forward direction.