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    • 4. 发明申请
    • SOLID STATE LIGHTING DEVICES WITH ADJUSTABLE COLOR POINT
    • 具有可调色彩点的固态照明装置
    • US20150312990A1
    • 2015-10-29
    • US14260048
    • 2014-04-23
    • Cree, Inc.
    • Antony Paul van de VenBenjamin A. JacobsonNicholas W. Medendorp, JR.
    • H05B33/08
    • H05B33/0857H01L25/0753H01L33/50H01L2224/48091H01L2224/73265H01L2924/181H05B33/0803H05B33/0815H05B33/0827H05B33/083H01L2924/00012H01L2924/00014
    • A solid state lighting device includes multiple solid state light emitters and a control circuit configured to adjust aggregated emissions to produce a mixture of light having an adjustable color point together with high luminous efficacy, wherein at least one color point is on or near the white body line WBL (line of minimum tint). Adjustment of color point may provide substantially constant 1931 CIE x-values; substantially constant 1931 CIE y-values, or substantially constant distance relative to the blackbody locus (e.g., with variation in CCT of at least 100K for the color points). An adjustable color point may be arranged to transition between one point near the BBL and another point on or near the WBL. An adjustable color point may provide a first color point on or near the WBL and another point having different CCT and luminous flux. Emitters selected solely from discrete bins or subregions of a CIE diagram may be used in combination to yield a point on or near the WBL.
    • 固态照明装置包括多个固态发光体和控制电路,该控制电路被配置为调节聚集的发射以产生具有可调色点的光的混合物以及高发光效率,其中至少一个色点在白体上或附近 线WBL(最小色调线)。 色点的调整可以提供基本恒定的1931 CIE x值; 基本恒定的1931 CIE y值或相对于黑体轨迹的基本上恒定的距离(例如,对于色点,CCT的变化至少为100K)。 可调整的色点可以布置成在BBL附近的一个点与WBL上或附近的另一点之间转换。 可调色点可以在WBL上或附近提供第一个色点,另一个点具有不同的CCT和光通量。 可以组合使用仅从CIE图的离散区域或子区域选择的发射器来产生WBL上或附近的点。
    • 5. 发明申请
    • SOLID STATE LIGHT-EMITTING DEVICES WITH IMPROVED CONTRAST
    • 具有改进对比度的固态发光器件
    • US20150308634A1
    • 2015-10-29
    • US14259943
    • 2014-04-23
    • CREE, INC.
    • Antony Paul van de VenBenjamin A. Jacobson
    • F21K99/00
    • G09F9/33
    • Solid state light emitting devices and display devices include at least one filtering material arranged to provide at least one spectral notch comprising a wavelength of greatest attenuation in at least one spectrum between dominant wavelengths of solid state light emitters of the light emitting and/or display devices. The at least one spectral notch may be non-overlapping with a majority or an entirety of spectral output of each solid state light emitter. Filtering material may be arranged in a light path between at least some emitters and) at least one light output surface of a light emitting or display device, with the filtering material(s) arranged to receive incident ambient light, such that at least a portion of reflected ambient light exiting the device exhibits at least one spectral notch.
    • 固态发光器件和显示器件包括至少一种滤光材料,其布置成在发光和/或显示器件的固态发光体的主波长之间的至少一个光谱中提供包括最大衰减波长的至少一个光谱陷波 。 至少一个光谱缺口可以与每个固态光发射器的大部分或全部光谱输出不重叠。 过滤材料可以布置在发光器件或显示器件的至少一些发射器和至少一个光输出表面之间的光路中,其中过滤材料布置成接收入射的环境光,使得至少一部分 离开装置的反射的环境光呈现出至少一个光谱缺口。