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Patent Searching and Data


Title:
PHOSPHOR AND LIGHT-EMITTING DEVICE USING SAME
Document Type and Number:
WIPO Patent Application WO/2019/188319
Kind Code:
A1
Abstract:
In order to provide a novel phosphor, this phosphor has an element indicated by Rδ in a solid solution in a phosphor base material crystal indicated by Mα (L, A) βXγ. M is at least one type of element selected from Mg, Ca, Sr, Ba, and Zn. L is at least one type of element selected from Li, Na, and K. A is at least one type of element selected from Al, Ga, B, In, Sc, Y, La, and Si. X is at least one type of element selected from O, N, F, and Cl (except when X is only N). R is at least one type of element selected from Mn, Cr, Ti, Ce, Pr, Nd, Sm, Eu, Tb, Dy, Ho, and Yb. α, β, γ, and δ fulfil α + β + γ + δ = 9, 0.00<α ≤ 1.30, 3.70 ≤ β ≤ 4.30, 3.70 ≤ γ ≤ 4.30, and 0.00 <δ ≤ 1.30.

Inventors:
TOYOSHIMA HIROAKI (JP)
YOSHIMATSU RYO (JP)
YAMAURA TAIYO (JP)
AKABANE MASATO (JP)
HIROSAKI NAOTO (JP)
Application Number:
PCT/JP2019/010456
Publication Date:
October 03, 2019
Filing Date:
March 14, 2019
Export Citation:
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Assignee:
DENKA COMPANY LTD (JP)
NAT INSTITUTE FOR MATERIALS SCIENCE NIMS (JP)
International Classes:
C09K11/64; C09K11/08; C09K11/62; H01L33/50
Foreign References:
JP2015526532A2015-09-10
CN105400513A2016-03-16
Attorney, Agent or Firm:
WATANABE Kaoru (JP)
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