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    • 20. 发明授权
    • Power source unit and illumination device
    • 电源单元和照明装置
    • US08556458B2
    • 2013-10-15
    • US12818871
    • 2010-06-18
    • Kazunari HiguchiTakayoshi MoriyamaSumio HashimotoShinichi Kumashiro
    • Kazunari HiguchiTakayoshi MoriyamaSumio HashimotoShinichi Kumashiro
    • F21V1/00
    • F21K9/68F21Y2115/10
    • According to one embodiment, a power source unit includes a substrate and a reflective body. The substrate includes a plurality of light-emitting elements mounted thereon. The reflective body includes a plurality of incident openings each corresponding to one of the plurality of light-emitting elements, an output opening to which light that has passed through the incident opening is output, and a plurality of reflective surfaces that expand from the incident opening toward the output opening. Reflective surfaces included in the plurality of reflective surfaces and positioned on an outermost side are provided to be adjacent to one another, and an angle is set so as to prevent reflective light of light emitted from the light-emitting elements from traveling toward an outer side in a reflective surface formed on the outer side.
    • 根据一个实施例,电源单元包括基板和反射体。 基板包括安装在其上的多个发光元件。 反射体包括多个入射孔,每个入射开口各自对应于多个发光元件中的一个,输出通过入射开口的光的输出口,以及从入射开口扩展的多个反射面 朝向输出开口。 设置在多个反射面中并且位于最外侧的反射面被设置为彼此相邻,并且设置角度以防止从发光元件发射的光的反射光向外侧行进 在形成于外侧的反射面上。