| 摘要 |
PURPOSE: A lighting device is provided to prevent the voltage drop due to the distance between a power controller and a light source module by arranging the power controller close to the light source module arranged in a heat sink. CONSTITUTION: A lighting device includes a light source module(1000), a heat sink(2000), a side frame(3000), a cover, an arm(5000), a power controller, a cap(7000) and a duct. The cover is arranged on the upper surface of the heat sink. The light source module is arranged on one side of the heat sink. The side frame supports the heat sink at both sides of the heat sink. One side of the side frame is coupled with the arm. Other side of the side frame is coupled with the cap. The power controller is arranged in the arm. The duct is arranged between the heat sink and the side frame. |
