Title:
LIGHT-EMITTING MATERIAL AND LIGHT-EMITTING DEVICE INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2022/116726
Kind Code:
A1
Abstract:
A light-emitting material and a light-emitting device including same. The light-emitting material includes an inorganic compound. The inorganic compound contains an M element, an A element, an E element, and an X element, wherein the M element is selected from at least one of Ca, Sr, Ba, La, Lu, Y, Sc and Gd and the M element cannot be Ca alone, the A element is selected from at least one of Hf, Zr, Ti, Ge, Si, Al, Ga and In, the E element is selected from at least one of O, N and F and must include O, and the X element is selected from at least one of Cr, Nd, Yb, Er, Ce and Eu and must include one of Cr, Nd, Yb and Er. The inorganic compound has a perovskite-type crystal structure. The light-emitting material can be excited by a visible light spectrum to generate near-infrared light emission and has a relatively high light-emission intensity.
Inventors:
LIU RONGHUI (CN)
SUN ZHICONG (CN)
LIU YUANHONG (CN)
CHEN XIAOXIA (CN)
GAO TONGYU (CN)
MA XIAOLE (CN)
XUE YUAN (CN)
SUN ZHICONG (CN)
LIU YUANHONG (CN)
CHEN XIAOXIA (CN)
GAO TONGYU (CN)
MA XIAOLE (CN)
XUE YUAN (CN)
Application Number:
PCT/CN2021/125248
Publication Date:
June 09, 2022
Filing Date:
October 21, 2021
Export Citation:
Assignee:
GRIREM ADVANCED MAT CO LTD (CN)
RARE EARTH FUNCTIONAL MAT XIONG AN INNOVATION CENTER CO LTD (CN)
RARE EARTH FUNCTIONAL MAT XIONG AN INNOVATION CENTER CO LTD (CN)
International Classes:
C09K11/78
Domestic Patent References:
| WO2018143198A1 | 2018-08-09 |
Foreign References:
| CN110857389A | 2020-03-03 | |||
| CN113493688A | 2021-10-12 | |||
| CN108865139A | 2018-11-23 | |||
| CN101195744A | 2008-06-11 |
Attorney, Agent or Firm:
BEIJING CNCLOUD INTELLECTUAL PROPERTY LAW FIRM (CN)
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