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Patent Searching and Data


Title:
PHOSPHOR PLATE AND LIGHT EMITTING DEVICE USING SAME
Document Type and Number:
WIPO Patent Application WO/2020/262315
Kind Code:
A1
Abstract:
A phosphor plate according to the present invention is provided with a plate-like composition body that comprises a base material and a phosphor that is dispersed in the base material. With respect to this phosphor plate, if A455 (%) is the absorptance at 455 nm, A700 (%) is the absorptance at 700 nm and T (mm) is the thickness of the phosphor plate when the light absorption spectrum in the wavelength range of from 300 nm to 700 nm is measured, (A700/A455)/T is from 0.01 to 1.00 (inclusive).

Inventors:
YAMAURA TAIYO (JP)
KUBOTA YUKI (JP)
ITO KAZUHIRO (JP)
EMOTO HIDEYUKI (JP)
Application Number:
PCT/JP2020/024440
Publication Date:
December 30, 2020
Filing Date:
June 22, 2020
Export Citation:
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Assignee:
DENKA COMPANY LTD (JP)
International Classes:
C09K11/00; C09K11/02; C09K11/08; C09K11/64; G02B5/20; H01L33/50
Foreign References:
JP2019019271A2019-02-07
JP2012009470A2012-01-12
JP2019161076A2019-09-19
Attorney, Agent or Firm:
HAYAMI Shinji (JP)
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