Title:
LIGHT SOURCE DEVICE, PROJECTOR, AND VEHICLE
Document Type and Number:
WIPO Patent Application WO/2020/012923
Kind Code:
A1
Abstract:
Provided is a light source device that makes it possible to efficiently obtain high-luminance light. A light source device (100) according to the present disclosure comprises: an excitation light source (10) that emits excitation light having an energy density of 10W/mm2 or more; and a phosphor layer (40) that has a matrix (41) and phosphor particles (42) embedded in the matrix (41). The phosphor particles (42) include at least one substance selected from the group consisting of metal oxides represented by general formula (1) and metal oxides represented by general formula (2). Formula (1) Y3-x1-y1R1
y1Cex1Al5-z1Gaz1O12
Formula (2) Y3-x2-y2R2
y2Cex2Al5-z2Scz2O12
Inventors:
HOGIRI MASAYUKI
UEDA YUKI
NAGASAKI YOSHIHISA
OKUYAMA KOJIRO
UEDA YUKI
NAGASAKI YOSHIHISA
OKUYAMA KOJIRO
Application Number:
PCT/JP2019/024766
Publication Date:
January 16, 2020
Filing Date:
June 21, 2019
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01L33/50; C09K11/80; F21S2/00; F21S41/176; G02B5/20; G03B21/14; H01S5/0239; F21W102/00; F21Y115/10; F21Y115/30
Domestic Patent References:
| WO2015060254A1 | 2015-04-30 | |||
| WO2011123538A2 | 2011-10-06 | |||
| WO1998005078A1 | 1998-02-05 | |||
| WO2013172025A1 | 2013-11-21 | |||
| WO2018056157A1 | 2018-03-29 | |||
| WO2018163830A1 | 2018-09-13 |
Foreign References:
| JP2015072895A | 2015-04-16 | |||
| JP2015061009A | 2015-03-30 | |||
| JP2017028251A | 2017-02-02 |
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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