Title:
WAVELENGTH CONVERSION MEMBER AND WAVELENGTH CONVERSION ELEMENT
Document Type and Number:
WIPO Patent Application WO/2019/181478
Kind Code:
A1
Abstract:
Provided are: a wavelength conversion member that has excellent coupling efficiency with respect to an optical system; and a wavelength conversion element that includes a layer comprising said wavelength conversion member. One embodiment according to the present invention provides a wavelength conversion member 1 which comprises a sintered body of groups of fluorescence substance particles, wherein, in a given cross section, the area ratio of voids to the entire cross-sectional area falls within a range of 0.6-25%.
Inventors:
IIZUKA KAZUYUKI (JP)
SUZUKI RIKIYA (JP)
YAMASHITA YOSHIHIRO (JP)
ARAI YUSUKE (JP)
YOSHIDA SEITARO (JP)
ITO AKIRA (JP)
INOMATA DAISUKE (JP)
SAWANO HIROYUKI (JP)
SHIMAMURA KIYOSHI (JP)
GARCIA VILLORA ENCARNACION ANTONIA (JP)
SUZUKI RIKIYA (JP)
YAMASHITA YOSHIHIRO (JP)
ARAI YUSUKE (JP)
YOSHIDA SEITARO (JP)
ITO AKIRA (JP)
INOMATA DAISUKE (JP)
SAWANO HIROYUKI (JP)
SHIMAMURA KIYOSHI (JP)
GARCIA VILLORA ENCARNACION ANTONIA (JP)
Application Number:
PCT/JP2019/008571
Publication Date:
September 26, 2019
Filing Date:
March 05, 2019
Export Citation:
Assignee:
TAMURA SEISAKUSHO KK (JP)
NAT INST MATERIALS SCIENCE (JP)
NAT INST MATERIALS SCIENCE (JP)
International Classes:
G02B5/20; C09K11/80; C30B29/28
Domestic Patent References:
| WO2017068765A1 | 2017-04-27 | |||
| WO2017115778A1 | 2017-07-06 | |||
| WO2017094832A1 | 2017-06-08 |
Foreign References:
| JP2009524235A | 2009-06-25 | |||
| JP2016204563A | 2016-12-08 |
Attorney, Agent or Firm:
HIRATA & PARTNERS (JP)
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