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    • 9. 发明申请
    • LIGHT EMITTING DEVICE
    • 发光装置
    • US20120268016A1
    • 2012-10-25
    • US13508412
    • 2010-10-20
    • Stephan KaiserThorsten KunzJulius Muschaweck
    • Stephan KaiserThorsten KunzJulius Muschaweck
    • H05B37/02
    • H05B33/0869H05B33/0872
    • A light emitting device including a light emitting diode having a semiconductor body that generates electromagnetic radiation; a converter element downstream of the first light emitting diode which converts at least part of the electromagnetic radiation into first color light; a second light emitting diode having a semiconductor body that generates light of the first color; a radiation exit area from which the first color light emerges; and a drive circuit operating the second light emitting diode, wherein the converter element contains at least one luminescence conversion material that emits the first color light, as the operating duration of the first light emitting diode increases, intensity of the first color light emitted by the converter element decreases, the drive circuit controls the second light emitting diode dependent on at least one of measurement values: intensity of the first color light emitted by the converter element, temperature of the converter element, operating duration of the first light emitting diode, and color locus of the light emerging from the radiation exit area.
    • 一种发光器件,包括具有产生电磁辐射的半导体本体的发光二极管; 第一发光二极管下游的转换器元件,其将至少部分电磁辐射转换成第一颜色光; 第二发光二极管,其具有产生第一颜色的光的半导体主体; 第一颜色光从该辐射出射区域出射; 以及操作所述第二发光二极管的驱动电路,其中,当所述第一发光二极管的工作持续时间增加时,所述转换器元件包含发射所述第一色光的至少一种发光转换材料,所述第一发光二极管发射的第一颜色光的强度 转换器元件减小,驱动电路根据以下至少一个来控​​制第二发光二极管:至少一个测量值:由转换器元件发射的第一颜色光的强度,转换元件的温度,第一发光二极管的工作持续时间和 从辐射出射区域出射的光的颜色轨迹。
    • 10. 发明授权
    • Light emitting device
    • 发光装置
    • US08946999B2
    • 2015-02-03
    • US13508412
    • 2010-10-20
    • Stephan KaiserThorsten KunzJulius Muschaweck
    • Stephan KaiserThorsten KunzJulius Muschaweck
    • H01J1/62G02F1/335H05B37/02H05B33/08
    • H05B33/0869H05B33/0872
    • A light emitting device including a light emitting diode having a semiconductor body that generates electromagnetic radiation; a converter element downstream of the first light emitting diode which converts at least part of the electromagnetic radiation into first color light; a second light emitting diode having a semiconductor body that generates light of the first color; a radiation exit area from which the first color light emerges; and a drive circuit operating the second light emitting diode, wherein the converter element contains at least one luminescence conversion material that emits the first color light, as the operating duration of the first light emitting diode increases, intensity of the first color light emitted by the converter element decreases, the drive circuit controls the second light emitting diode dependent on at least one of measurement values: intensity of the first color light emitted by the converter element, temperature of the converter element, operating duration of the first light emitting diode, and color locus of the light emerging from the radiation exit area.
    • 一种发光器件,包括具有产生电磁辐射的半导体本体的发光二极管; 第一发光二极管下游的转换器元件,其将至少部分电磁辐射转换成第一颜色光; 第二发光二极管,其具有产生第一颜色的光的半导体主体; 第一颜色光从该辐射出射区域出射; 以及操作所述第二发光二极管的驱动电路,其中,当所述第一发光二极管的工作持续时间增加时,所述转换器元件包含发射所述第一色光的至少一种发光转换材料,所述第一发光二极管发射的第一颜色光的强度 转换器元件减小,驱动电路根据以下至少一个来控​​制第二发光二极管:至少一个测量值:由转换器元件发射的第一颜色光的强度,转换元件的温度,第一发光二极管的工作持续时间和 从辐射出射区域出射的光的颜色轨迹。