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    • 6. 发明授权
    • Reflector LED lamp
    • 反光板LED灯
    • US08246221B2
    • 2012-08-21
    • US13121674
    • 2010-09-07
    • Naotaka HashimotoShinya KawagoeToshiyasu Kojima
    • Naotaka HashimotoShinya KawagoeToshiyasu Kojima
    • F21V7/04
    • H05B33/0803F21K9/23F21V7/22F21V23/002F21V23/009F21W2131/405F21Y2105/10F21Y2115/10
    • A reflector LED lamp comprises: a reflector 18 having a spheroidal reflecting surface with an opening provided therein; a plurality of LEDs 44, 46, 48, 50, and 52 arranged in the reflector 18, on a plane perpendicular to an optical axis X of the reflector 18; and a lighting circuit operable to light the plurality of LEDs, wherein the plurality of LEDs are divided into at least a first group (LED 44) and a second group (LED 46, 48, 50, and 52), the first group arranged at a first distance from the optical axis X, the second group arranged at a second distance from the optical axis X, the second distance being longer than the first distance, and while the plurality of LEDs are lit by the lighting circuit, luminous flux per LED is larger in the first group than in the second group.
    • 反射器LED灯包括:具有球形反射表面的反射器18,其中设置有开口; 布置在反射器18中的多个LED 44,46,48,50和52在垂直于反射器18的光轴X的平面上; 以及可操作以点亮所述多个LED的点亮电路,其中所述多个LED分成至少第一组(LED 44)和第二组(LED 46,48,50和52),所述第一组布置在 距离光轴X的第一距离,第二组布置在离开光轴X的第二距离处,第二距离长于第一距离,并且当多个LED由点亮电路点亮时,每个LED的光通量 在第一组比第二组更大。