LED tube luminous decay in less than 10% is qualified in 1000 hours. After used for 40000 hours brightness to achieve 70% were quite outstanding. In fact, the LED tube light fades has already produced at 1000 hours times, but the high power LED light attenuation will be smaller, small power will be larger, of course this is just from the LED itself.
The biggest factor of LED light tube attenuation is LED temperature, if the heat is not good, the temperature is too high, the light attenuation rate will be very fast. Usually said LED decay is in the ideal state, if it is a LED tube, because there are a lot of LED light source, need to consider heat, spacing between LED, the electric current size and lamp shell problems etc..
The above article from Sourcechip official website (http://www.sc-ledlights.com/) yjblog1508
The original address: http://www.sc-ledlights.com/news/news_show_4_20_187.html, reproduced please specify.
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