PURPOSE: To provide a street luminaire capable of performing street illumination with an enhanced efficiency of illumination and a decreased amount of power consumption by constructing it with a combination of a light source having a high luminous efficiency and a high color rendering light source with a reflecting plate and also controlling the light distribution according to purposes in an illumination range.
CONSTITUTION: A light source 1 having a high luminous efficiency and a high color rendering light source 3 are used jointly in a single lighting fixture and two reflecting plates 2 and 4 for creating a light distribution independently are provided separately to prevent mixed lighting. The light sources are switched on simultaneously, the light source 1 having a high luminous efficiency is made to lighten a sidewalk necessary for a purpose of pedestrian's walk and passing, and the high color rendering light source 3 is made to lighten in a direction opposite to the side walk, illuminating traffic signs from which color information is needed, trees, etc. By this construction, effective street lighting can be performed with low power consumption.
YAMADA OSAMU