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Subjective Evaluation of Glare for Blinking and Colors of Vertical LED Lighting
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 Title & Authors
Subjective Evaluation of Glare for Blinking and Colors of Vertical LED Lighting
Jung, Hyun-Ji; Kim, In-Tae; Choi, An-Seop;
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 Abstract
Currently, in South Korea, 'Light Pollution Prevention Act by Artificial Lighting' has been enforced. For advertising lighting, it is limited based on only the light-emitting luminance. Luminance is a concept related to the glare. Not only the luminance of the light source, but also glare is affected depending on some situations like blinking, luminance contrast, background illuminance. This study conducted glare subjective evaluation with brightness, color, and blinking by looking at the LED lighting box. The results showed that the glare indexes were higher about 2 times in a decrease of background illuminance from 100lx to 0lx. The glare index of R, G, B light was higher than that of white light. The average glare index of the blue light was higher about 8 times compared to 2,700K. And the blink rate had little effect on the glare, but it affected the irritation. Therefore, the glare effect of light color and blinking needs to be considered for the standard of luminous environment.
 Keywords
Glare;LED Lighting;Light Color;Blinking;Subjective Evaluation;
 Language
Korean
 Cited by
 References
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