| 摘要 |
PURPOSE: A lighting apparatus is provided to improve a road view by indicating display various colors and patterns of traffic signals using a single lighting unit. CONSTITUTION: A lighting apparatus(1) comprises a lighting unit(20), a driving unit(30), and a control unit(40). The lighting unit is mounted on a substrate(21). The lighting unit includes a plurality of light emitting packages(22) including two or more of a red LED device(23), a green LED device(24), and a blue LED device(25). The lighting device includes a power supply unit for supplying power to a driving unit(40). The driving unit supplies the power to one or more light emitting packages. The driving unit controls the size of the power respectively provided to the red LED device, the green LED device, and the blue LED device. |
