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    • 88. 发明申请
    • LENS WITH CONTROLLED BACKLIGHT MANAGEMENT
    • 带控制背光管理的镜头
    • US20130021804A9
    • 2013-01-24
    • US12475194
    • 2009-05-29
    • Kurt S. WilcoxChristopher Strom
    • Kurt S. WilcoxChristopher Strom
    • F21V13/04
    • F21V13/04F21V5/008F21V5/04F21V5/08F21V7/0091F21V13/02F21Y2101/00F21Y2105/10F21Y2115/10G02B19/0028G02B19/0061
    • A lens for distribution of light predominantly toward a preferential side from a light emitter having an emitter axis and defining an emitter plane. The lens has an emitter-adjacent base end forming an emitter-receiving opening to an emitter-surrounding cavity defined by an inner surface which includes a front sector centered on the preferential side and a back sector centered on the non-preferential side radially opposite the preferential side. The front and back sectors differ in their respective configurations for refracting light from the emitter. The lens further includes an primary back surface positioned to receive light from at least a portion of the inner-surface back sector and configured for total internal reflection (TIR) thereof. The inner-surface back sector and the primary back surface extend along substantially elliptical cross-sections in planes substantially parallel to the emitter plane. The emitter-adjacent base end forms a back opening to a back cavity substantially centered on the non-preferential side and partially bounded by the primary back surface.
    • 用于将光分配主要朝向具有发射器轴并且限定发射极平面的发光体的优选侧的透镜。 透镜具有与发射极相邻的基端,其形成到由内表面限定的发射器周围空腔的发射极接收开口,该内表面包括以优先侧为中心的前扇形区域和位于径向相对的非优先侧面的后扇区 优惠侧。 前后扇区各自的配置不同,用于折射来自发射器的光。 透镜还包括主后表面,其被定位成接收来自内表面后扇区的至少一部分的光,并被配置为用于其全内反射(TIR)。 内表面后扇区和主后表面在基本上平行于发射极平面的平面中沿着基本上椭圆形的横截面延伸。 与发射体相邻的基端部形成基本上位于非优先侧并且由主后表面部分限定的后腔的后开口。
    • 89. 发明授权
    • Lens with controlled backlight management
    • 带背光管理的镜头
    • US08348475B2
    • 2013-01-08
    • US12475194
    • 2009-05-29
    • Kurt S. WilcoxChristopher Strom
    • Kurt S. WilcoxChristopher Strom
    • F21V5/00F21V3/00
    • F21V13/04F21V5/008F21V5/04F21V5/08F21V7/0091F21V13/02F21Y2101/00F21Y2105/10F21Y2115/10G02B19/0028G02B19/0061
    • A lens for distribution of light predominantly toward a preferential side from a light emitter having an emitter axis and defining an emitter plane. The lens has an emitter-adjacent base end forming an emitter-receiving opening to an emitter-surrounding cavity defined by an inner surface which includes a front sector centered on the preferential side and a back sector centered on the non-preferential side radially opposite the preferential side. The front and back sectors differ in their respective configurations for refracting light from the emitter. The lens further includes an primary back surface positioned to receive light from at least a portion of the inner-surface back sector and configured for total internal reflection (TIR) thereof. The inner-surface back sector and the primary back surface extend along substantially elliptical cross-sections in planes substantially parallel to the emitter plane. The emitter-adjacent base end forms a back opening to a back cavity substantially centered on the non-preferential side and partially bounded by the primary back surface.
    • 用于将光分配主要朝向具有发射器轴并且限定发射极平面的发光体的优选侧的透镜。 透镜具有与发射极相邻的基端,其形成到由内表面限定的发射器周围空腔的发射极接收开口,该内表面包括以优先侧为中心的前扇形区域和位于径向相对的非优先侧面的后扇区 优惠侧。 前后扇区各自的配置不同,用于折射来自发射器的光。 透镜还包括主后表面,其被定位成接收来自内表面后扇区的至少一部分的光,并被配置为用于其全内反射(TIR)。 内表面后扇区和主后表面在基本上平行于发射极平面的平面中沿着基本上椭圆形的横截面延伸。 与发射体相邻的基端部形成基本上位于非优先侧并且由主后表面部分限定的后腔的后开口。