Title:
蛍光体の製造方法
Document Type and Number:
Japanese Patent JP6745787
Kind Code:
B2
Abstract:
The present invention relates to a process for producing a composite-fluoride fluorescent material represented by the general formula A2MF6:Mn4+ (wherein A is at least one alkali metal element including K; M is one or more metallic elements including at least Si or Ge and selected from among Si, Ge, Sn, Ti, Zr, and Hf; F is fluorine; and Mn is manganese). With the production process, it is possible to obtain a fluorescent material which is high in absorptance, internal quantum efficiency, and external quantum efficiency and has excellent optical properties.
Inventors:
Masayoshi Ichikawa
Ryosuke Kondo
Hideyuki Emoto
Motoi Tanaka
Ryosuke Kondo
Hideyuki Emoto
Motoi Tanaka
Application Number:
JP2017500704A
Publication Date:
August 26, 2020
Filing Date:
February 17, 2016
Export Citation:
Assignee:
Denka Co., Ltd.
International Classes:
C09K11/08; C09K11/57; C09K11/59; C09K11/61; C09K11/62
Domestic Patent References:
| JP2014514388A | ||||
| JP2014141684A | ||||
| JP2010209311A | ||||
| JP2011012091A |
Attorney, Agent or Firm:
Naoto Uchida