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1. (WO2017032655) ILLUMINATION DEVICE FOR A VEHICLE HEADLIGHT

Pub. No.:    WO/2017/032655    International Application No.:    PCT/EP2016/069467
Publication Date: Fri Mar 03 00:59:59 CET 2017 International Filing Date: Thu Aug 18 01:59:59 CEST 2016
IPC: F21V 8/00
B60Q 1/00
B60Q 1/04
F21S 8/10
Applicants: LUMILEDS HOLDING B.V.
Inventors: ZOZGORNIK, Steffen
HOHN, Roman
Title: ILLUMINATION DEVICE FOR A VEHICLE HEADLIGHT
Abstract:
The present inventions relates to an illumination device, in particular for a vehicle headlight. The device comprises at least one light source (2), a wavelength converting member (4) converting at least part of the light of the light source (2) to light of a different wavelength, a first (1) and a second (3) light guiding element between the light source (2) and the wavelength converting member (4), and a reflective member (5) being attached to the wavelength converting member (4). The second light guiding element (3) is designed to guide the light (2a) emitted by the light source (2) and having passed through the first light guiding element (1) to the wavelength converting member (4) and to guide the converted light (6) which has been reflected at the reflective member (5) to the first light guiding element (1). The first light guiding element (1) comprises at least one first guiding structure (1a) guiding the light (2a) emitted by the light source (2) to the second light guiding element (3). The first light guiding element (1) also comprises at least one second guiding structure (1b, 1c) guiding the converted light (6) which has been passed through the second guiding structure (3) to an outcoupling surface of the first light guiding element (1). The proposed illumination device allows the use of light sources with high luminance and can be realized in a compact manner.