A Study on Light Trespass of Dynamic LED Advertising Sign Flickering on Adjacent Residents at Night

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Abstract:

Nowadays, with the growing popularity of dynamic LED advertising signs, the light trespass caused by these signs is being taken more and more seriously. This study analyzes experimentally how various flickering cycles affect the visual fatigue of residents who read in the room adjacent to these signs. According to the results of the research, an increase in the flickering cycle of the sign corresponds with a decrease in the degree of disturbance to adjacent residents. Moreover this study suggests that the flickering cycle of a dynamic LED advertising sign should be set above four seconds to ensure minimal discomfort.

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593-598

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August 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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