We have to develope LED outdoor Luminaires with maximun 1% of blue radiance

ledpan

Q:We have to develope LED outdoor  Luminaires with maximun 1%  of blue radiance. That is   betwen 300 to 379nm, must be less than 1% of the spectral radiance between 380 and 780 nm.

1 _" i) [3 D7 y: u  o! H" c, HWe tried 2200°K led luminaires  and we obtain between 5 and 7 % instead of 1%. This luminaire could be possible to be used on middle distance to Observatories. But for short distance to Observatories , MUST BE LESS THAN ONE %.

So, we are looking that kind of led luminaires, and we think on   FILTERED LEDS to get less than one % of the blue spectral radiance.
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What do you think, how to get that goal?
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Please do your best to help us on this subject, is China manufacturing these kind of filters? 群里有人能帮我解释解释这说明意思啊，以前上的是政治专业，英语勉强及格
A:路灯要控制蓝光，牛叉啊
* D1 y# b0 Z# ~+ f! j& O) }Q:是庭院灯，以前英语没学好，都不知道什么意思。
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