| 发明名称 | Blue light-emitting phosphor and light-emitting device using the blue light-emitting phosphor | ||
| 摘要 | The emission strength of a light released from a blue light-emitting phosphor having a merwinite crystal structure and an elemental formula of (Sr,Ca)3MgSi2O8 activated with Eu in which a molar ratio of Sr and Ca is in the range of 1:0.10 to 1:0.30 is stable in a wide temperature range. | ||
| 申请公布号 | US9011718(B2) | 申请公布日期 | 2015.04.21 |
| 申请号 | US201213626071 | 申请日期 | 2012.09.25 |
| 申请人 | Ube Material Industries, Ltd. | 发明人 | Fukuda Kouichi;Amagai Jin;Noguchi Seiji;Inagaki Toru;Tanaka Masaki |
| 分类号 | C09K11/55;C09K11/59;C09K11/77;H01L33/50 | 主分类号 | C09K11/55 |
| 代理机构 | Nixon Peabody LLP | 代理人 | Nixon Peabody LLP ;Costellia Jeffrey L. |
| 主权项 | 1. A blue light-emitting phosphor having a merwinite crystal structure and an elemental formula of (Sr,Ca)3MgSi2O8 activated with Eu and at least one rare earth metal element selected from the group consisting of Sc, Y, Gd, Tb and La in which a molar ratio of Sr and Ca is in the range 1:0.13 to 1:0.23, in which Eu is contained in an amount of 0.01 to 0.20 mol per one mol of Mg. | ||
| 地址 | Ube-shi, Yamaguchi JP | ||