White LEDs with tunable CRI
    23.
    发明申请
    White LEDs with tunable CRI 有权
    带可调谐CRI的白色LED

    公开(公告)号:US20060022582A1

    公开(公告)日:2006-02-02

    申请号:US10909564

    申请日:2004-08-02

    申请人: Emil Radkov

    发明人: Emil Radkov

    IPC分类号: H01L33/00

    摘要: A method for the manufacturing of white LEDs is proposed, which can achieve a tunable color rendering index (CRI) or luminosity through the use of at least two phosphor composition layers of essentially the same emission color coordinates, each composition including at least one individual phosphor compound. The method allows to optimize the devices for CRI at a given minimal luminosity requirement, or vice versa.

    摘要翻译: 提出了一种用于制造白色LED的方法,其可以通过使用基本上相同的发射颜色坐标的至少两个荧光粉组合物层来实现可调显色指数(CRI)或发光度,每个组合物包括至少一个单独的荧光体 复合。 该方法允许在给定的最小亮度要求下优化CRI的装置,反之亦然。

    Hybrid illumination system with improved color quality
    26.
    发明授权
    Hybrid illumination system with improved color quality 有权
    混合照明系统具有改进的色彩质量

    公开(公告)号:US08519611B2

    公开(公告)日:2013-08-27

    申请号:US12353455

    申请日:2009-01-14

    IPC分类号: F21K2/00 C09K11/00 H01J1/62

    摘要: A white light hybrid illumination system including an amber LED, a red LED, and a phosphor converted LED such as a blue LED chip and a green phosphor, wherein a peak emission difference between the amber and red LED is at least 25 nm. This system provides higher color quality than prior devices due to its high luminous efficacy, high CRI over a wide CCT range, and better color control.

    摘要翻译: 一种白光混合照明系统,包括琥珀色LED,红色LED和蓝色LED芯片和绿色荧光体等磷光体转换LED,其中琥珀色和红色LED之间的峰值发射差异至少为25nm。 由于其高发光效率,较宽的CCT范围内的高CRI以及更好的色彩控制,该系统提供比现有器件更高的色彩质量。

    Full spectrum phosphor blends for white light generation with LED chips
    29.
    发明授权
    Full spectrum phosphor blends for white light generation with LED chips 有权
    全光谱荧光粉混合白光发光与LED芯片

    公开(公告)号:US07906790B2

    公开(公告)日:2011-03-15

    申请号:US10580973

    申请日:2004-06-23

    摘要: A light emitting device including a phosphor blend including four or more phosphors emitting within a specific spectral range to optimize the color rendering index (CRI) for a given color coordinated temperature (CCT). The blend will include at least four phosphors selected from the following: a blue phosphor having an emission peak at 400-500 nm, a green phosphor having an emission peak at 500-575 nm, an orange phosphor having an emission peak from 575-615 nm, and a deep red phosphor having an emission peak at 615-680 nm. The preferred blends are used to make light sources with general CRI values (Ra) greater than 95 at CCT's from about 2500 to 8000 K.

    摘要翻译: 一种发光器件,包括包含在特定光谱范围内发射的四种或更多种磷光体的荧光体掺合物,以优化给定颜色协调温度(CCT)的显色指数(CRI)。 共混物将包括选自以下的至少四种荧光体:在400-500nm具有发光峰的蓝色荧光体,在500-575nm具有发光峰的绿色荧光体,具有575-615的发射峰的橙色荧光体 nm,在615-680nm具有发光峰的深红色荧光体。 优选的共混物用于制备在大约2500至8000K的CCT时具有大于95的一般CRI值(Ra)的光源。

    HYBRID ILLUMINATION SYSTEM WITH IMPROVED COLOR QUALITY
    30.
    发明申请
    HYBRID ILLUMINATION SYSTEM WITH IMPROVED COLOR QUALITY 有权
    混合照明系统具有改进的颜色质量

    公开(公告)号:US20100177513A1

    公开(公告)日:2010-07-15

    申请号:US12353455

    申请日:2009-01-14

    IPC分类号: F21K7/00

    摘要: A white light hybrid illumination system including an amber LED, a red LED, and a phosphor converted LED such as a blue LED chip and a green phosphor, wherein a peak emission difference between the amber and red LED is at least 25 nm. This system provides higher color quality than prior devices due to its high luminous efficacy, high CRI over a wide CCT range, and better color control.

    摘要翻译: 一种白光混合照明系统,包括琥珀色LED,红色LED和蓝色LED芯片和绿色荧光体等磷光体转换LED,其中琥珀色和红色LED之间的峰值发射差异至少为25nm。 由于其高发光效率,较宽的CCT范围内的高CRI以及更好的色彩控制,该系统提供比现有器件更高的色彩质量。