CCT of LED outside Lighting Should be Below 3000k at Night

       In recent years, the spread of LED lights rapidly,  but the American Medical Association, AMA issued an official statement warning recently : If the LED street lights too white and to brightened will release a large number of blue light, people exposed to them, not only because of possible increased glare while driving the probability of an accident, the sleep cycle will be effect.


      AMA recommends that outdoor lighting at night, especially led street lights, color temperature should be less than 3000K . Color temperature measurement is based on the source of the blue, green, yellow, red depending on the amount, the higher the color temperature of the light represents the high brightness, more Blue content, will produce  glare, affect driver vision accuracy and safety.


      AMA also said that more blue light than other light sources inhibits the body's secretion of melatonin at night may lead to sleep time, sleep quality deterioration, day of sorts and even obesity.



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