Title:
蛍光体の製造方法
Document Type and Number:
Japanese Patent JP6969747
Kind Code:
B2
Abstract:
To provide an industrially advantageous manufacturing method of a red fluophor without using specific devices or risky conditions.SOLUTION: There is provided a manufacturing method of Li(CaSr)MgSiN;Eu fluophor including burning a molded body of a powder having a composition adjusted to be Li(CaSr)MgSiN(x=0 to 0.06) by combining following (1) and (2), (2) and (3) or (1) and (4), and an Eu compound at 750 to 1250°C in a high pressure burning furnace with inner pressure of less than 1 MPa. (1) composite nitride of Li and one or more kind selected from Ca, Sr and Mg. (2) composite nitride of Si and one or more kind selected from Ca, Sr and Mg. (3) Li nitride. (4) Si nitride.SELECTED DRAWING: None
Inventors:
Suzuki Shoji
Katsumi Matsui
Kenta Masuda
Kenji Toda
Katsumi Matsui
Kenta Masuda
Kenji Toda
Application Number:
JP2018058803A
Publication Date:
November 24, 2021
Filing Date:
March 26, 2018
Export Citation:
Assignee:
Taiheiyo Cement Co., Ltd.
Niigata University
Niigata University
International Classes:
C09K11/08; C09K11/59
Domestic Patent References:
| JP2017537349A | ||||
| JP2017504949A |
Other References:
Philipp Strobel,Luminescence of the Narrow-Band Red Emitting Nitridomagnesosilicate Li2(Ca1-xSrx)2[Mg2Si2N6]:Eu2+ (x=0-0.06),Chemistry of Materials,2017年,29,1377-1383
Attorney, Agent or Firm:
Alga Patent Office, a patent business corporation