Title:
β型サイアロン蛍光体、並びにそれを用いた発光部材及び発光装置
Document Type and Number:
Japanese Patent JP6770353
Kind Code:
B2
Abstract:
Provided is a β-sialon phosphor having a β-sialon as a host crystal and containing Eu as a luminescent center, wherein when chemical states of Eu are classified into three states: Eu2+, Eu3+ and an intermediate state thereof (hereinafter, referred to as Eum), a ratio of them present in the β-sialon phosphor satisfies the relationships: 0.10.7.
Inventors:
Hideyuki Emoto
Tomoaki Nagumo
Tomoaki Nagumo
Application Number:
JP2016131267A
Publication Date:
October 14, 2020
Filing Date:
July 01, 2016
Export Citation:
Assignee:
Denka Co., Ltd.
International Classes:
C09K11/64; C09K11/08; H01L33/50
Domestic Patent References:
| JP2013173868A |
Foreign References:
| WO2014030637A1 | ||||
| WO2011058919A1 |
Attorney, Agent or Firm:
Axis International Patent Business Corporation