| 摘要 |
PURPOSE: An LED streetlight and a method for controlling an uniformity ratio of illuminance are provided to secure a visual field of a driver by improving an uniformity ratio of illuminance around a centerline and a lane of a roadway. CONSTITUTION: A case(110) includes an upper opening, a lower opening, and a front opening. A body part(120) is arranged in the inside of the case. The body part includes a plurality of first LEDs and a first illumination sensor. A front body part(130) is arranged in an upper cover plate of the body part. The front body part includes a plurality of second LEDs and a second illuminance sensor. A power supply is electrically connected to the first LEDs and the second LEDs. A control unit is electrically connected to the power supply unit, the first illuminance sensor, and the second illuminance sensor. |
