Light emitting diode device with luminescent material
    4.
    发明授权
    Light emitting diode device with luminescent material 有权
    具有发光材料的发光二极管器件

    公开(公告)号:US09133390B2

    公开(公告)日:2015-09-15

    申请号:US13511159

    申请日:2010-12-10

    摘要: The invention provides a light emitting diode device comprising a light emitting diode arranged on a substrate and a wavelength converting element. The wavelength converting element contains a luminescent material a Mn4+-activated fluoride compound having a garnet-type crystal structure. The Mn4+-activated fluoride compound preferably answers the general formula {A3}[B2-x-yMnxMgy](Li3)F12-dOd, in which formula A stands for at least one element selected from the series consisting of Na+ and K+ and B stands for at least one element selected from the series consisting of Al3+, B3+, Sc3+, Fe3+, Cr3+, Ti4+ and In3+, and in which formula x ranges between 0.02 and 0.2, y ranges between 0.0 (and incl. 0.0) and 0.4 and d ranges between 0 (and incl. 0) and 1. As the luminescent materials of the described type and structure have high stability and low sensitivity towards humid environments, they can advantageously be used as in wavelength conversion elements of LED devices.

    摘要翻译: 本发明提供了一种发光二极管器件,其包括布置在衬底上的发光二极管和波长转换元件。 波长转换元件含有具有石榴石型晶体结构的Mn4 +活化的氟化物的发光材料。 Mn4 +活化的氟化物优选回答通式{A3} [B2-x-yMnxMgy](Li3)F12-dOd,式中A代表选自Na +和K +和B + 对于选自Al3 +,B3 +,Sc3 +,Fe3 +,Cr3 +,Ti4 +和In3 +的系列中的至少一种元素,其中,式x的范围在0.02和0.2之间,y在0.0(和包括0.0)和0.4之间,d 范围在0(和包括0)和1之间。由于所述类型和结构的发光材料对潮湿环境具有高稳定性和低灵敏度,因此它们可以有利地用于LED器件的波长转换元件。