Title:
LIGHTING DEVICE AND AUTOMOBILE LIGHTING LAMP
Document Type and Number:
WIPO Patent Application WO/2019/095535
Kind Code:
A1
Abstract:
Disclosed is a lighting device (100), comprising: a laser light source (101) for emitting excitation light; a wavelength conversion device arranged on a light path of the excitation light and used for absorbing at least a part of the excitation light and emitting excited light and the unabsorbed excitation light, wherein the wavelength conversion device comprises a light conversion element (102), the light conversion element (102) is made of a single crystal or a transparent ceramic, and the light conversion element (102) comprises an incident face, an emergent face and a side face; and a diffuse reflection mirror (103) arranged on the optical axis of the light conversion element (102) and used for reflecting the unabsorbed excitation light and enlarging a light divergence angle thereof. The excited light emitted by the wavelength conversion device and the excitation light emitted by the diffuse reflection mirror (103) are combined to form emergent light from the lighting device (100). Further disclosed is an automobile lighting lamp comprising the lighting device.
Inventors:
XU MENGMENG (CN)
HU FEI (CN)
CHANG JING (CN)
LI YI (CN)
HU FEI (CN)
CHANG JING (CN)
LI YI (CN)
Application Number:
PCT/CN2018/071443
Publication Date:
May 23, 2019
Filing Date:
January 04, 2018
Export Citation:
Assignee:
YLX INC (CN)
International Classes:
F21S8/00; F21V7/00; F21V9/00
Foreign References:
| CN103244889A | 2013-08-14 | |||
| CN106500061A | 2017-03-15 | |||
| US20140369065A1 | 2014-12-18 | |||
| CN105003843A | 2015-10-28 | |||
| CN102901016A | 2013-01-30 |
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