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    • 9. 发明授权
    • LED downlight with improved light output
    • LED筒灯具有改善的光输出
    • US08602602B2
    • 2013-12-10
    • US13007398
    • 2011-01-14
    • Smita AnaokarRobert Allan BlalockGeorge Michael DrakeAdam Moore Foy
    • Smita AnaokarRobert Allan BlalockGeorge Michael DrakeAdam Moore Foy
    • F21V7/00F21V15/00F21V17/00F21S8/00
    • F21S8/02F21V7/0025F21V13/04F21V29/77F21Y2115/10
    • An LED downlight provides a more evenly distributed light output. The LED downlight includes an LED light source, such as one or more LEDs, LED die packages, or LED chip on board modules, an upper reflector, a lower reflector disposed below the upper reflector, and a lens disposed between the upper reflector and the lower reflector. The lens includes several features that help disperse light emitted by the LED light source. The lens includes a diffusion element, such as a pigment, bulk scattering, prismatic, inlays, or another method for diffusing light through a lens. The lens is curved in a concave manner when viewed from the light source. The curve of the lens can be tangent to the physical cutoff of the lower reflector to more evenly distribute light emitted by the LED light source and to improve the visual effect of an evenly luminous lens.
    • LED筒灯提供更均匀分布的光输出。 LED筒灯包括LED光源,例如一个或多个LED,LED管芯封装或板上模块的LED芯片,上反射器,设置在上反射器下方的下反射器,以及设置在上反射器和 下反射器。 该镜头包括几个功能,有助于分散LED光源发出的光。 透镜包括漫射元件,例如颜料,体散射,棱镜,嵌体或用于通过透镜漫射光的另一种方法。 当从光源观察时,透镜以凹入的方式弯曲。 透镜的曲线可以与下反射器的物理截止线相切,以更均匀地分布由LED光源发射的光并且改善均匀发光的透镜的视觉效果。