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    • 9. 发明申请
    • Device for Illuminating Using Blue, Green, Yellow, or Red Light Emitting Diodes
    • 使用蓝色,绿色,黄色或红色发光二极管照明的装置
    • US20090146548A1
    • 2009-06-11
    • US12084991
    • 2006-11-09
    • Hans LichtensteinDamrien Machert
    • Hans LichtensteinDamrien Machert
    • H01J1/62
    • F21V3/04F21V9/08F21Y2115/10G09F13/04
    • The invention relates to an apparatus for illumination with blue, green, yellow or red light-emitting diodes (LEDS), comprising one or more coloured LEDs and a light-scattering cover associated with the LED colour and composed of coloured plastic and having a base colour derived from one or more non-fluorescent dyes, characterized in that the light-scattering cover comprises, in addition to the base colour, at least one fluorescent dye associated in terms of colour with the base colour, where the dye mixture has been adjusted in such a way that the reflectance of the light-scattering cover is at least 28% at the wavelength of the energy maximum of the LED(S) used, where, based on the standard chromaticity diagram and on the colour loci of the reflected light from the light-scattering cover and on the colour locus of the LED(s) used, the following alternative relationship applies to the absolute value of the difference between the x value of the light-scattering cover and the x value of the LED and the absolute value of the difference between the y value of the light-scattering cover and the y value of the LED: a) for blue LED illumination: absolute value for x smaller than 0.03/absolute value for y smaller than 0.05 b) for green LED illumination: absolute value for x smaller than 0.05/absolute value for y smaller than 0.08 c) for yellow LED illumination: absolute value for x smaller than 0.0025/absolute value for y smaller than 0.02 d) for red LED illumination: absolute value for x smaller than 0.03/absolute value for y smaller than 0.003.
    • 本发明涉及一种用蓝光,绿色,黄色或红色发光二极管(LEDS)照明的装置,包括一个或多个着色LED和与LED颜色相关联的光散射盖,由彩色塑料组成并具有基底 衍生自一种或多种非荧光染料的颜色,其特征在于除了基色之外,光散射覆盖物还包括与颜色相关的至少一种荧光染料,其中染料混合物已被调节 使得在所使用的LED(S)的能量最大值的波长处,光散射盖的反射率至少为28%,其中基于标准色度图和反射光的色轨 从光散射盖和所使用的LED的颜色轨迹上,以下替代关系适用于光散射盖的x值与x值之间的差的绝对值 LED和光散射盖的y值与LED的y值之间的差的绝对值:a)对于蓝色LED照明:x的绝对值小于0.03 /小于0.05b的y的绝对值 )绿色LED照明:x的绝对值小于0.05 / y小于0.08的绝对值c)黄色LED照明:x的绝对值小于0.0025 / y小于0.02的绝对值d d)红色LED照明: x的绝对值小于0.03 / y小于0.003的绝对值。