LED street light technology has matured
fecha:2011-06-14 14:21
estado:para resolver
pregunta:admin
D current also in 90Lm / W or so, but also not to mention energy. But , when we compare the efficiency of lighting, the conclusion is not the same. because the general uniform 360-degree light source are light, and LED directional light, usually less than 180 degrees, so different, made of lights is not the same. sodium or traditional light sources made of street lamps light extraction efficiency is usually about 60%, while the LED lights more easily can reach 90%. then do the same A-weighted, s
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