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    • 4. 发明授权
    • Light emitting device
    • 发光装置
    • US08272768B2
    • 2012-09-25
    • US13029855
    • 2011-02-17
    • Andrei KazmierskiTomihiko Ikeda
    • Andrei KazmierskiTomihiko Ikeda
    • F21V3/00
    • H01L33/58F21V5/048F21V7/0066F21V7/06F21Y2115/10G02B19/0028G02B19/0061H01L33/60
    • The light emitting device comprises: a bowl-shaped reflector; a point light source; and a combined lens provided on the light axis of the point light source. And the combined lens has: a convex lens part having a focal point coinciding with the point light source, refracting center light around the light axis into parallel light; and a concave lens part provided around the convex lens part, and refracting and diffusing light having an angle with the light axis larger than an angle between the center light and the light axis so as to increase the angle with the light axis. A virtual focal point of the light refracted and diffused with the concave lens part coincides with the focal point of the paraboloid of revolution.
    • 发光装置包括:碗形反射器; 点光源; 以及设置在点光源的光轴上的组合透镜。 并且组合透镜具有:具有与点光源重合的焦点的凸透镜部,将围绕光轴的中心光折射成平行光; 以及设置在所述凸透镜部周围的凹透镜部,并且使与所述中心光和所述光轴之间的角度大于所述光轴的角度的光折射和漫射,以增加与所述光轴的角度。 与凹透镜部分折射和扩散的光的虚拟焦点与旋转抛物面的焦点重合。
    • 8. 发明授权
    • Non-imaging optical concentrator for use in infrared remote control systems
    • 用于红外遥控系统的非成像光集中器
    • US06201246B1
    • 2001-03-13
    • US09127591
    • 1998-07-31
    • Franc PotekevAndrei Kazmierski
    • Franc PotekevAndrei Kazmierski
    • G02B1700
    • G02B19/009G02B19/0028G02B19/008Y10S250/01
    • A non-imaging optical concentrator (18, 70) includes an optically transparent body having a substantially dome-shaped convex surface (42, 74) of revolution formed about an optical axis (24) and at least one conical concave surface of revolution (44, 76, 78) protruding into the convex surface in a direction along the optical axis toward a light sensor (46). The convex surface receives light rays (54, 90) propagating from low to medium elevational angles and causes them to propagate through the optically transparent body, reflect off the concave surface, and propagate generally along the optical axis toward the light sensor. The concave surface further receives light rays (58) propagating from high elevational angles and refracts them through the optically transparent body toward the light sensor. This invention is advantageous because only one light sensor is required to receive light rays, such as IR controller data, propagating from a wide range of elevational and azimuthal angles.
    • 非成像光学聚光器(18,70)包括光学透明体,其具有围绕光轴(24)形成的大致圆顶形的凸面(42,74),并且具有至少一个圆锥形凹面(44) ,76,78)沿着所述光轴朝向光传感器(46)突出到所述凸表面中。 凸表面接收从低到高的角度传播的光线(54,90),并使它们传播通过光学透明体,反射出凹面,并且大致沿着光轴朝向光传感器传播。 凹面还容纳从高仰角传播的光线(58),并将它们通过光学透明体向光传感器折射。 本发明是有利的,因为只需要一个光传感器来接收从宽的方位角和方位角传播的诸如IR控制器数据的光线。