Classification according to the interference of light interference light suffer different objects, standards will interfere with the light is divided into four categories: 1.
Residential area of the interference of light (
Light into the bedroom of residential building, influence people's life and rest)
The interference of road traffic light (
Roads around all kinds of road lighting device for not suitable brightness, illuminate the direction or installation position, glare effects on the motor vehicle drivers, resulting in a decline in its visual visibility)
The interference of the pedestrian light (
Sidewalk lighting direction because of the brightness of the inappropriate, exposure or installation position, glare effects for pedestrians, resulting in a decline in its visual visibility)
The night sky light pollution (
Direct lighting light or reflected into the night sky, astronomical observation)
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