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    • 10. 发明授权
    • Structure of illuminating unit and structure of illuminating light source
    • 照明单元的结构和照明光源的结构
    • US07354178B2
    • 2008-04-08
    • US11223557
    • 2005-09-09
    • Wei-Kuo HanRa-Min TainChin-Lung ChenShyi-Ching Liau
    • Wei-Kuo HanRa-Min TainChin-Lung ChenShyi-Ching Liau
    • F21V7/00
    • F21V7/09F21Y2115/10G03B21/2013G03B21/2033G03B21/208Y10S362/80
    • A structure of illuminating unit includes a point-like light-emitting device, having an optical axis. An initial-stage conoid-like reflective surface has a convergent opening end and a divergent opening end. The point-like light-emitting device is located at the convergent opening end and the optical axis is toward the divergent end for emitting light. The initial-stage conoid-like reflective surface and the optical axis include an initial-stage included angle. A final-stage conoid-like reflective surface has a convergent opening end and a divergent opening end. The convergent opening end of the final-stage conoid-like reflective surface is coupled with the divergent opening end of the initial-stage conoid-like reflective surface. The final-stage conoid-like reflective surface and the optical axis include a final-stage included angle. The initial-stage included angle is larger than the final-stage included angle.
    • 照明单元的结构包括具有光轴的点状发光装置。 初级锥形反射面具有收敛的开口端和发散的开口端。 点状发光装置位于会聚开口端,光轴朝向发光端的发散端。 初级锥形反射面和光轴包括初始阶段夹角。 最后阶段的锥形反射表面具有收敛的开口端和发散的开口端。 最终级锥形反射表面的会聚开口端与初始阶段锥形反射表面的发散开口端相连。 最后阶段的锥形反射表面和光轴包括最终级夹角。 初始包角大于最终级夹角。