发明名称 Yellow fluorescent substance, light-emitting device, illumination device, and vehicle
摘要 The present invention provides an oxynitride silicate fluorescent substance capable of output a light having a high luminance even when irradiated by an exciting light having a high energy density. The present invention is a yellow fluorescent substance represented by a chemical formula (Ba1-x-y-z,Srx)aSibOcNd:Eu2+y,Y3+z (0.9≦a≦1.1, 1.9≦b≦2.1, 1.9≦c≦2.1, 1.9≦d≦2.1, 0≦x≦1, 0<y<0.01, and 0≦z<0.01).
申请公布号 US9416313(B2) 申请公布日期 2016.08.16
申请号 US201414460372 申请日期 2014.08.15
申请人 PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. 发明人 Nitta Mitsuru;Shiraishi Seigo;Inoue Osamu;Okuyama Kojiro;Nagasaki Yoshihisa;Ohbayashi Takashi
分类号 F21V11/00;C09K11/77;F21S8/10 主分类号 F21V11/00
代理机构 McDermott Will & Emery LLP 代理人 McDermott Will & Emery LLP
主权项 1. A yellow fluorescent substance represented by a chemical formula (Ba1-x-y-z,Srx)aSibOcNd:Eu2+y,Y3+z, wherein all of the following seven mathematical formulae (I)-(VII) are satisfied: 0.9≦a≦1.1  (I)1.9≦b≦2.1  (II)1.9≦c≦2.1  (III)1.9≦d≦2.1  (IV)0≦x≦1  (V)0<y<0.01  (VI)0≦z<0.01  (VII).
地址 Osaka JP