| 摘要 |
PURPOSE: An LED lamp is provided to discharge the heat rapidly by passing the natural wind through heat sinks with an interval in an upper part of a substrate. CONSTITUTION: An LED lamp includes a substrate(200), a body(100), and a heat sink(300). The substrate fixes a plurality of LEDs which are arranged in one surface. The body fixes the substrate. The heat sinks are stacked in the upper part of the substrate in the multi-step.
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