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White phosphor converted LED with stable flux output versus temperature

机译:白色荧光粉转换的LED,具有稳定的光通量输出和温度关系

摘要

The invention provides a lighting device comprising a solid state light source and a ceramic body, wherein the solid state light source is configured to provide blue light source light to the ceramic body, wherein the ceramic body comprises a ceramic material configured to wavelength convert part of the blue light source light into yellow converter light, to provide white lighting device light comprising said blue light source light and said yellow converter light, said white lighting device light having a color point selected from the range of 0.18≤u′≤0.25 and 0.42≤v′≤0.54, and wherein the ceramic material comprises a (Y(1-y-q-z),Gdy,Luq, Cez)3(Al(1-x),Gax)5O12 ceramic material, with 0≤x≤0.6, 0≤y≤0.5, 0≤q1 and 0.001≤z≤0.06.
机译:本发明提供了一种照明装置,其包括固态光源和陶瓷体,其中,所述固态光源被配置为向所述陶瓷体提供蓝色光源光,其中,所述陶瓷体包括被配置为对所述陶瓷体的一部分进行波长转换的陶瓷材料。所述蓝色光源光转换为黄色转换光,以提供包括所述蓝色光源光和所述黄色转换光的白色照明装置光,所述白色照明装置光的色点选自0.18≤u′≤0.25和0.42的范围内≤v'≤0.54,其中陶瓷材料包括(Y (1-yqz),Gd y ,Lu q ,Ce < Sub> z 3 (Al (1-x),Ga x 5 O 12 陶瓷材料,其中0≤x≤0.6、0≤y≤0.5、0≤q <1和0.001≤z≤0.06。

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