The LED display light pollution imperils the traffic safety brightness "overweight" the mess when ca
Datum:2011-08-16 14:46
urement of the LED display area is all in 10 square meters. According to the 2004 of the implementation of the Shanghai urban environment (decoration) lighting standard, commercial light box ads, signs of more than 10 square meters, area of maximum allowable brightness shall not exceed 400 CD / ㎡. According to a standard, if the screen brightness exceed bid.
The LED screen into dazzling light pollution
Shanghai citizens lu said, last year once he drove through downtown Shanghai lianhua
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