PHOSPHOR, LIGHT EMITTING DEVICE, LIGHTING DEVICE, IMAGE DISPLAY DEVICE AND INDICATOR LAMP FOR VEHICLES

WIPO Patent Application WO/2023/063251

A1

The present invention provides: a phosphor which comprises a crystal phase that has a composition represented by formula (1); and a light emitting device which is provided with this phosphor.　(1): Rex(Sr1-yMAy)aMBbMCcNdOeXf (In the formula, MA represents one or more elements that are selected from the group consisting of Ca, Ba, Na, K, Y, Gd and La; MB represents one or more elements that are selected from the group consisting of Li, Mg and Zn; MC represents one or more elements that are selected from the group consisting of Al, Si, Ga, In and Sc; X represents one or more elements that are selected from the group consisting of Cl, Br and I; Re represents one or more elements that are selected from the group consisting of Eu, Ce, Pr, Tb and Dy; and a, b, c, d, e, f, x and y respectively satisfy 0.8 ≤ a ≤ 1.2, 1.4 ≤ b ≤ 2.6, 1.4 ≤ c ≤ 2.6, 1.1 ≤ d ≤ 2.9, 1 ≤ e ≤ 2.9, 0.0 ≤ f ≤ 0.1, 0.0 < x ≤ 0.2 and 0.0 < y ≤ 0.7.)

UEDA KYOTA (JP)
INATA YUHEI (JP)
HIROSAKI NAOTO (JP)

PCT/JP2022/037589

April 20, 2023

October 07, 2022

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MITSUBISHI CHEM CORP (JP)
NAT INST MATERIALS SCIENCE (JP)

H01L33/50; C09K11/08; C09K11/59; C09K11/61; C09K11/62; C09K11/64; C09K11/78; C09K11/79; C09K11/80; C09K11/86; F21S2/00; F21S43/14; F21V9/30; F21V9/38; G02B5/20; F21Y115/10

WO2020262200A1	2020-12-30
WO2016076380A1	2016-05-19
WO2021015004A1	2021-01-28

JP2006503431A	2006-01-26
JP2020535651A	2020-12-03
US20210045207A1	2021-02-11
JP6335884B2	2018-05-30
JP2007291352A	2007-11-08
JP2021166903A	2021-10-21
JP2021166904A	2021-10-21

SHIGENO, Tsuyoshi et al. (JP)

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