Optical designs for high-efficacy white-light emitting diodes
    1.
    发明授权
    Optical designs for high-efficacy white-light emitting diodes 有权
    高功率白光发光二极管的光学设计

    公开(公告)号:US08624281B2

    公开(公告)日:2014-01-07

    申请号:US12974621

    申请日:2010-12-21

    IPC分类号: H01L33/00

    摘要: A method for increasing the luminous efficacy of a white light emitting diode (WLED), comprising introducing optically functional interfaces between an LED die and a phosphor, and between the phosphor and an outer medium, wherein at least one of the interfaces between the phosphor and the LED die provides a reflectance for light emitted by the phosphor away from the outer medium and a transmittance for light emitted by the LED die. Thus, a WLED may comprise a first material which surrounds an LED die, a phosphor layer, and at least one additional layer or material which is transparent for direct LED emission and reflective for the phosphor emission, placed between the phosphor layer and the first material which surrounds the LED die.

    摘要翻译: 一种用于增加白光发光二极管(WLED)的发光效率的方法,包括在LED管芯和荧光体之间以及在所述荧光体和外部介质之间引入光学功能界面,其中所述荧光体和 LED管芯提供对由荧光体远离外部介质发出的光的反射率以及由LED管芯发射的光的透射率。 因此,WLED可以包括围绕LED管芯,荧光体层以及放置在荧光体层和第一材料之间的用于直接LED发射和反射用于荧光体发射的透明的至少一个附加层或材料的第一材料 其围绕LED管芯。

    OPTICAL DESIGNS FOR HIGH-EFFICACY WHITE-LIGHT EMITTING DIODES
    2.
    发明申请
    OPTICAL DESIGNS FOR HIGH-EFFICACY WHITE-LIGHT EMITTING DIODES 有权
    用于高效白光发光二极管的光学设计

    公开(公告)号:US20090001399A1

    公开(公告)日:2009-01-01

    申请号:US12163510

    申请日:2008-06-27

    IPC分类号: H01L33/00

    摘要: A method for increasing the luminous efficacy of a white light emitting diode (WLED), comprising introducing optically functional interfaces between an LED die and a phosphor, and between the phosphor and an outer medium, wherein at least one of the interfaces between the phosphor and the LED die provides a reflectance for light emitted by the phosphor away from the outer medium and a transmittance for light emitted by the LED die. Thus, a WLED may comprise a first material which surrounds an LED die, a phosphor layer, and at least one additional layer or material which is transparent for direct LED emission and reflective for the phosphor emission, placed between the phosphor layer and the first material which surrounds the LED die.

    摘要翻译: 一种用于增加白光发光二极管(WLED)的发光效率的方法,包括在LED管芯和荧光体之间以及在所述荧光体和外部介质之间引入光学功能界面,其中所述荧光体和 LED管芯提供对由荧光体远离外部介质发出的光的反射率以及由LED管芯发射的光的透射率。 因此,WLED可以包括围绕LED管芯,荧光体层以及放置在荧光体层和第一材料之间的用于直接LED发射和反射用于荧光体发射的透明的至少一个附加层或材料的第一材料 其围绕LED管芯。

    Optical designs for high-efficacy white-light emitting diodes
    3.
    发明授权
    Optical designs for high-efficacy white-light emitting diodes 有权
    高功率白光发光二极管的光学设计

    公开(公告)号:US07868341B2

    公开(公告)日:2011-01-11

    申请号:US12163510

    申请日:2008-06-27

    IPC分类号: H01L33/00

    摘要: A method for increasing the luminous efficacy of a white light emitting diode (WLED), comprising introducing optically functional interfaces between an LED die and a phosphor, and between the phosphor and an outer medium, wherein at least one of the interfaces between the phosphor and the LED die provides a reflectance for light emitted by the phosphor away from the outer medium and a transmittance for light emitted by the LED die. Thus, a WLED may comprise a first material which surrounds an LED die, a phosphor layer, and at least one additional layer or material which is transparent for direct LED emission and reflective for the phosphor emission, placed between the phosphor layer and the first material which surrounds the LED die.

    摘要翻译: 一种用于增加白光发光二极管(WLED)的发光效率的方法,包括在LED管芯和荧光体之间以及在所述荧光体和外部介质之间引入光学功能界面,其中所述荧光体和 LED管芯提供对由荧光体远离外部介质发出的光的反射率以及由LED管芯发射的光的透射率。 因此,WLED可以包括围绕LED管芯,荧光体层以及放置在荧光体层和第一材料之间的用于直接LED发射和反射用于荧光体发射的透明的至少一个附加层或材料的第一材料 其围绕LED管芯。