Search International and National Patent Collections

1. (WO2014206756) LENS FOR ILLUMINATION DEVICE AND ILLUMINATION DEVICE COMPRISING THE LENS

Pub. No.:    WO/2014/206756    International Application No.:    PCT/EP2014/062259
Publication Date: Thu Jan 01 00:59:59 CET 2015 International Filing Date: Fri Jun 13 01:59:59 CEST 2014
IPC: F21V 5/04
F21V 7/00
Applicants: OSRAM GMBH
Inventors: BAO, Jing
Title: LENS FOR ILLUMINATION DEVICE AND ILLUMINATION DEVICE COMPRISING THE LENS
Abstract:
The present invention relates to a lens (100) for an illumination device, comprising a bottom surface (1) and an emergent surface (2) rising from the bottom surface (1), wherein a recessed region (3) is defined in a center of the bottom surface (1), a surface of the recessed region (3) forms an incident surface (4), and a light source (5) of the illumination device is disposed in the recessed region (3), wherein the emergent surface (2) comprises a first region (21) formed in a center of the emergent surface (2), and at least one second region (22) surrounding the first region (21), wherein the first region (21) is formed by a first refractive surface (211), and the second region (22) is formed by a reflective surface (221) and a second refractive surface (222). In addition, the present invention further relates to an illumination device (200) comprising the lens.