Title:
PHOSPHOR PLATE, AND LIGHT-EMITTING DEVICE USING SAME
Document Type and Number:
WIPO Patent Application WO/2020/262311
Kind Code:
A1
Abstract:
A phosphor plate according to the present invention comprises a plate-like composite containing: a parent material; and a phosphor dispersed in the parent material, wherein a main component of the parent material is alumina, and the phosphor includes α-type sialon phosphor and satisfies an L* value of 73.5-85.0, an a* value of 4.4-8.0, and a b* value of 10.8-13.0, in the L*a*b* color coordinates when measured according to JIS Z 8781-4.
Inventors:
YAMAURA TAIYO (JP)
KUBOTA YUKI (JP)
ITO KAZUHIRO (JP)
EMOTO HIDEYUKI (JP)
KUBOTA YUKI (JP)
ITO KAZUHIRO (JP)
EMOTO HIDEYUKI (JP)
Application Number:
PCT/JP2020/024434
Publication Date:
December 30, 2020
Filing Date:
June 22, 2020
Export Citation:
Assignee:
DENKA COMPANY LTD (JP)
International Classes:
C01B21/072; C09K11/00; C09K11/08; C09K11/64; G02B5/20; H01L33/50
Domestic Patent References:
| WO2012029305A1 | 2012-03-08 |
Foreign References:
| JP2019045844A | 2019-03-22 | |||
| JP2019135543A | 2019-08-15 |
Attorney, Agent or Firm:
HAYAMI Shinji (JP)
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