| 发明名称 | Red phosphor and light-emitting device comprising the same | ||
| 摘要 | There is provided a red phosphor including a compound represented by an empirical formula Az(Sr,M)2(Si,Al)O4-xNy:R(0<x<3, y=2x/3, and 0.0001≦z<0.1), and has a grain size distribution corresponding to 6.9 μm≦D50≦13.9 μm, wherein M and Al are optional, A is at least one element selected from a group consisting of lithium (Li), potassium (K) and sodium (Na), and M is at least one element selected from a group consisting of Barium (Ba), magnesium (Mg) and calcium (Ca). | ||
| 申请公布号 | US9475986(B2) | 申请公布日期 | 2016.10.25 |
| 申请号 | US201214118336 | 申请日期 | 2012.05.18 |
| 申请人 | Kim Do-Hwan;Kim Sang-Hyun;Yoon Chul-Soo | 发明人 | Kim Do-Hwan;Kim Sang-Hyun;Yoon Chul-Soo |
| 分类号 | C09K11/64;H01L33/00;C09K11/77;C09K11/08;H05B33/12;H01L33/50 | 主分类号 | C09K11/64 |
| 代理机构 | Onello & Mello, LLP | 代理人 | Onello & Mello, LLP |
| 主权项 | 1. A red phosphor comprising: a compound represented by an empirical formula Az(Sr,M)2(Si,Al)O4-xNy:R (0<x<3, y=2x/3, and 0.0001≦z≦0.1), wherein M and Al are optional and, if present, M is Ca or Mg wherein if M is Ca, the amounts of Ca and Al are equal and in a range of 0.2 mol % to 0.6 mol %, or if M is Mg, the amounts of Mg and Al are equal and in a range of 0.1 mol % to 0.25 mol %, A is at least one element selected from a group consisting of lithium (Li), potassium (K) and sodium (Na), and R is at least one element selected from a group consisting of lanthanoid and a transition metal element; and a grain size distribution corresponding to 6.9 μm≦D50≦13.9 μm. | ||
| 地址 | Buk-gu Gwangju KR | ||