Red garnet phosphors for use in LEDs
    8.
    发明申请
    Red garnet phosphors for use in LEDs 有权
    用于LED的红色石榴石荧光粉

    公开(公告)号:US20060284196A1

    公开(公告)日:2006-12-21

    申请号:US11285685

    申请日:2005-11-23

    IPC分类号: H01L33/00 C09K11/08

    摘要: Phosphor compositions having the formula LlMmAaGgPpQqNnZz:Ce3+, where L is at least one of Li, Na, K, Rb, and/or Cs; M is at least one of Be, Mg, Ca, Sr, Ba, Mn, Sn, Pb, and/or Zn; A is at least one of Bi, Sb, In, Sc, Y, and/or any of the rare earth elements; G is Si and/or Ge; Q is at least one of O, S, and/or Se; Z is at least one of F, Cl, Br, and/or I; and wherein 0≦l≦1, 2.5≦m≦5, 1.5≦a≦2.5, 2≦g≦2.5, 0≦p≦1, 0≦n≦1, 0≦z≦1, and l+2m+3a+4g+5p=2q+3n+z; and light emitting devices including a light source and the above phosphor. Also disclosed are blends of LlMmAaGgPpQqNnZz:Ce3+ and one or more additional phosphors and light emitting devices incorporating the same.

    摘要翻译: 具有下式的荧光体组合物:其中R 1,R 2,R 3, 其中L是Li,Na,Na +,Si 3+中的至少一种, K,Rb和/或Cs; M是Be,Mg,Ca,Sr,Ba,Mn,Sn,Pb和/或Zn中的至少一种; A是Bi,Sb,In,Sc,Y和/或任何稀土元素中的至少一种; G是Si和/或Ge; Q是O,S和/或Se中的至少一个; Z是F,Cl,Br和/或I中的至少一个; 并且其中0 <=1≤1,2.5≤m≤5,1.5≤a≤2.5,2≤g≤2.5,0≤p≤1,0<= n <1, 0 <= z <= 1,l + 2m + 3a + 4g + 5p = 2q + 3n + z; 以及包括光源和上述荧光体的发光器件。 还公开了下列化合物的混合物:其中L 1,M 2,M 3,C 3, 另一种或多种附加的磷光体和发光装置,其中包含 相同。