Title:
光源装置、車両用ヘッドライト及び光源装置の製造方法
Document Type and Number:
Japanese Patent JP6861521
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a light source device (10, 20, 40) comprising a laser (1) for sending out a light beam (4), a fluorescent screen (2) within a beam passage of the laser (1), and a screen (3) disposed between the laser (1) and the fluorescent screen (2).SOLUTION: The screen (3) within the beam passage of the laser (1) includes at least one opening through which the light beam (4) sent out by the laser (1) is passed. Thus, the light beam (4) sent out by the laser (1) excites the fluorescent screen (2) in such a manner that lights (5a and 5c) are sent out. The screen (3) includes a retroreflection layer (3a) formed to reflect the light (5a) that is sent out by the fluorescent screen (2).SELECTED DRAWING: Figure 1
Inventors:
Ballage Yatekosh
Application Number:
JP2017007474A
Publication Date:
April 21, 2021
Filing Date:
January 19, 2017
Export Citation:
Assignee:
ROBERT BOSCH GMBH
International Classes:
F21S41/10; F21V7/00; F21V9/30
Domestic Patent References:
| JP8304048A | ||||
| JP2015072895A | ||||
| JP2011249538A | ||||
| JP2010092807A | ||||
| JP2013137531A | ||||
| JP2012042599A | ||||
| JP2016004269A | ||||
| JP2013239673A |
Foreign References:
| US20150176811 |
Attorney, Agent or Firm:
Einzel Felix-Reinhard
Morita Taku
Junichi Maekawa
Hiroyasu Ninomiya
Ueshima
Morita Taku
Junichi Maekawa
Hiroyasu Ninomiya
Ueshima