ILLUMINATION DEVICE FOR STREET LIGHT

摘要

PURPOSE: A lighting device is provided to change the brightness of a street lamp by controlling the angle of light distribution and the amount of the light of the street lamp due to an LED light source. CONSTITUTION: A light source module installation unit(111a,111b,112a,112b) is formed on a main frame(110). A first light source module(120) is installed on the center of the main frame along the longitudinal direction. The first light source module distributes light. A second light source module(130) is installed on both sides of the main frame along the longitudinal direction. The second light source module reduces light distribution to change illuminance and brightness.