Title:
PHOSPHOR COMPOSITION HAVING INFRARED EMISSION PROPERTIES, AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/003199
Kind Code:
A1
Abstract:
According to the present invention, provided is a phosphor composition represented by chemical formula AB(1-x-y)CO4:xCr(3+),yYB(3+), wherein: x is in the range of 0.03 ≤ x ≤ 1; y is in the range of 0.01 ≤ y ≤ 0.2; A is at least one selected from Li, Na, K and Rb; B is at least one selected from Sc and Y; and C is at least one selected from Al, Si and Ge.
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Inventors:
IM WON BIN (KR)
KIM HA JUN (KR)
OH HYUN JIN (KR)
CHOI IL HOON (KR)
KIM HONG KEON (KR)
KIM HYUN JUN (KR)
KIM HA JUN (KR)
OH HYUN JIN (KR)
CHOI IL HOON (KR)
KIM HONG KEON (KR)
KIM HYUN JUN (KR)
Application Number:
PCT/KR2022/009265
Publication Date:
January 26, 2023
Filing Date:
June 28, 2022
Export Citation:
Assignee:
IUCF HYU (KR)
KOMSCO KOREA MINTING SECURITY PRINTING & ID CARD OPERATING CORP (KR)
KOMSCO KOREA MINTING SECURITY PRINTING & ID CARD OPERATING CORP (KR)
International Classes:
C09K11/08; C09K11/77
Foreign References:
| JP2008529282A | 2008-07-31 | |||
| US20150083965A1 | 2015-03-26 |
Other References:
HAN BING, CHEN YAWEI, LIU BEIBEI, ZHANG JIE: "Solid state synthesis and luminescence properties of Eu3+ doped NaYGeO4 phosphors", OPTIK., WISSENSCHAFTLICHE VERLAG GMBH, DE, vol. 242, 1 September 2021 (2021-09-01), DE , pages 167177, XP093027184, ISSN: 0030-4026, DOI: 10.1016/j.ijleo.2021.167177
SHI JUNPENG, SUN XIA, ZHENG SHENGHUI, FU XIAOYAN, YANG YI, WANG JIANI, ZHANG HONGWU: "Super‐Long Persistent Luminescence in the Ultraviolet A Region from a Bi 3+ ‐Doped LiYGeO 4 Phosphor", ADVANCED OPTICAL MATERIALS, WILEY, DE, vol. 7, no. 19, 1 October 2019 (2019-10-01), DE , pages 1900526, XP093027187, ISSN: 2195-1071, DOI: 10.1002/adom.201900526
CAI HAO, SONG ZHEN, LIU QUANLIN: "Infrared-photostimulable and long-persistent ultraviolet-emitting phosphor LiLuGeO 4 :Bi 3+ ,Yb 3+ for biophotonic applications", MATERIALS CHEMISTRY FRONTIERS, vol. 5, no. 3, 11 February 2021 (2021-02-11), pages 1468 - 1476, XP093027189, DOI: 10.1039/D0QM00932F
SHI JUNPENG, SUN XIA, ZHENG SHENGHUI, FU XIAOYAN, YANG YI, WANG JIANI, ZHANG HONGWU: "Super‐Long Persistent Luminescence in the Ultraviolet A Region from a Bi 3+ ‐Doped LiYGeO 4 Phosphor", ADVANCED OPTICAL MATERIALS, WILEY, DE, vol. 7, no. 19, 1 October 2019 (2019-10-01), DE , pages 1900526, XP093027187, ISSN: 2195-1071, DOI: 10.1002/adom.201900526
CAI HAO, SONG ZHEN, LIU QUANLIN: "Infrared-photostimulable and long-persistent ultraviolet-emitting phosphor LiLuGeO 4 :Bi 3+ ,Yb 3+ for biophotonic applications", MATERIALS CHEMISTRY FRONTIERS, vol. 5, no. 3, 11 February 2021 (2021-02-11), pages 1468 - 1476, XP093027189, DOI: 10.1039/D0QM00932F
Attorney, Agent or Firm:
IPS PATENT FIRM (KR)
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