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    • 9. 发明授权
    • Gap member, lens and lighting device having the same
    • 具有相同的间隙构件,透镜和照明装置
    • US08313218B2
    • 2012-11-20
    • US12874987
    • 2010-09-02
    • Sung Ho HongHyun Min KimDong Nyung LimEun Hwa Kim
    • Sung Ho HongHyun Min KimDong Nyung LimEun Hwa Kim
    • F21V5/00F21V31/00
    • F21V5/00F21V7/00F21V13/04
    • A lighting device and a gap member and a lens used in a lighting device. The lens may include a circular incident surface that has a furrow surface crossing a surface and prism surfaces formed at both sides of the furrow surface; and an exit surface that reflects and transmits light traveling inside through the incident surface to the outside. The gap member may include a ring-shaped reflective portion having a declined surface toward the center; and a ring-shaped wall extending downward coaxially with the reflective portion, and has a flat ring shape. The lighting device may include a substrate; a light emitting unit including a plurality of LEDs mounted on the substrate; a case body accommodating the light emitting unit; a lens disposed on the light emitting unit; a first waterproof ring disposed around the lens; and a case cover having an opening that exposes the lens, and combined with the case body and the first waterproof ring.
    • 照明装置和用于照明装置的间隙构件和透镜。 透镜可以包括具有与表面交叉的沟表面和形成在沟槽表面的两侧的棱镜表面的圆形入射表面; 以及将通过入射面内行进的光反射并透射到外部的出射面。 间隙构件可以包括朝向中心具有下降表面的环形反射部分; 以及与反射部分同轴向下延伸的环形壁,并且具有平环形状。 照明装置可以包括基板; 发光单元,其包括安装在所述基板上的多个LED; 容纳发光单元的壳体; 设置在所述发光单元上的透镜; 设置在透镜周围的第一防水环; 以及具有露出透镜的开口并与壳体和第一防水环组合的壳盖。