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    • 2. 发明申请
    • Apparatus and method for improved illumination area fill
    • 改善照明区域填充的装置和方法
    • US20050219840A1
    • 2005-10-06
    • US11093988
    • 2005-03-30
    • Ronald HolderGreg Rhoads
    • Ronald HolderGreg Rhoads
    • F21K99/00F21L4/00F21V7/00F21V7/04F21V7/09F21V13/04G02B17/06H01L33/58H01L33/60
    • G02B19/0061F21K9/233F21V7/0091F21V7/04F21V7/09F21V13/04F21Y2115/10G02B19/0028H01L33/58H01L33/60
    • A reflector for a light source, such as an LED, is provided with a shape which efficiently collects and directs energy to an illumined surface whereby almost 100% of the light is collected and distributed into a designer composite beam. The shape in one embodiment is comprised of three zones beginning with a parabolic surface of revolution at the base of the reflector, followed by a transition or straight conic zone and ending with an elliptical zone. In another embodiment the reflector shape is determined according to a transfer function which allows for arbitrary designer control of the reflected rays at each point on the reflector, which when combined with direct radiation from the source, results in a designer controlled composite beam or illumination. The device is more than 90% energy efficient and allows replacement of higher power, less energy efficient light sources with no loss in illumination intensity.
    • 用于诸如LED的光源的反射器设置有有效地收集并将能量引导到发光表面的形状,从而几乎100%的光被收集并分布到设计者复合光束中。 一个实施例中的形状由在反射器底部的旋转抛物面开始的三个区域组成,之后是过渡或直的圆锥区域并以椭圆形区域结束。 在另一个实施例中,反射器形状根据传递函数确定,该传递函数允许任意设计者控制反射器上每个点处的反射光线,当与源的直接辐射组合时,反射光线导致设计者控制的复合光束或照明。 该器件具有超过90%的能源效率,并允许更换更高功率,更低能效的光源,而不会损失照明强度。
    • 4. 发明申请
    • LED flashlight
    • LED手电筒
    • US20050007768A1
    • 2005-01-13
    • US10866357
    • 2004-06-10
    • Ronald HolderGreg Rhoads
    • Ronald HolderGreg Rhoads
    • F21L4/00F21L4/02F21V7/00F21V14/02F21V29/00F21L2/00
    • F21V29/004F21L4/005F21L4/027F21V7/0008F21V14/025F21V29/773F21Y2115/10Y10S362/80
    • A module, or collection of discreet components, for an LED flashlight is coupled to a conventional flashlight body which includes a conventional power source. The module comprise a housing adapted to be coupled to the flashlight body; an LED light source coupled to the power source; a heat sink heat sink coupled to the housing, which heat sink is thermally and mechanically coupled to the LED light source; and a reflector coupled to the housing and having an optical axis. The LED light source is positioned by the heat sink on or near the optical axis and is optically coupled to the reflector. The reflector reflects light from the LED light source in a forward direction. The surface(s) of the reflector may be designed to create a beam of almost any distribution desired. The module, and/or components, is arranged and configured to be operatively coupled as a unit to the flashlight body and power source.
    • 用于LED手电筒的模块或离散组件的集合耦合到包括常规电源的常规手电筒主体。 模块包括适于联接到手电筒主体的壳体; 耦合到所述电源的LED光源; 耦合到所述壳体的散热器散热器,所述散热器被热和机械耦合到所述LED光源; 以及耦合到壳体并具有光轴的反射器。 LED光源由散热器定位在光轴上或附近,并且光学耦合到反射器。 反射镜反射来自LED光源的光向前方。 反射器的表面可以被设计成产生几乎所需分布的束。 模块和/或组件被布置和配置为可以作为单元可操作地耦合到手电筒主体和电源。