PHOSPHOR, LIGHT-EMITTING DEVICE, AND RADIATION DETECTOR

Title:

PHOSPHOR, LIGHT-EMITTING DEVICE, AND RADIATION DETECTOR

Document Type and Number:

WIPO Patent Application WO/2021/210574

Kind Code:

A1

Abstract:

Provided is a phosphor that has a crystal structure belonging to a space group Cmcm, and that has a composition represented by formula (1).　(1): AaBbCcDd (In formula (1), A contains at least one of Na, K, Rb, and Cs. B contains at least one of Cu and Ag. C contains at least one of F, Cl, and Br. D contains I. a, b, c, and d respectively indicate the molar ratios of A, B, C, and D in the entire composition and satisfy: 3.3 ≤ a ≤ 6.8; 2.0 ≤ b ≤ 4.1; 5.2 ≤ c + d ≤ 10.8; 0.5 < c/(c + d) < 1.0; and 1.55 ≤ a/b ≤ 3.4.)

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Inventors:

HOSONO HIDEO (JP)
KIM JUNGHWAN (JP)
LI JIANGWEI (JP)
OOISHI ATSUSHI (JP)
HAZU KOUJI (JP)
YAMAHARA KEIJI (JP)
TAKEI IZURU (JP)

Application Number:

PCT/JP2021/015302

Publication Date:

October 21, 2021

Filing Date:

April 13, 2021

Export Citation:

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Assignee:

MITSUBISHI CHEM CORP (JP)
TOKYO INST TECH (JP)

International Classes:

C09K11/00; C09K11/61; G01T1/20; G21K4/00; H01L33/50

Foreign References:

JP2014012628A	2014-01-23
JP2013014753A	2013-01-24
JP2013036030A	2013-02-21
JP2007517949A	2007-07-05

Attorney, Agent or Firm:

SHIGENO, Tsuyoshi et al. (JP)

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