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논문 기본 정보

자료유형
학술대회자료
저자정보
Deok-Weon Song (Yeungnam University) JeongHun Kim (Yeungnam University) Ji-Hwan Lee (Yeungnam University) HyeRan Kang (Yeungnam University) Chan-Su Lee (Yeungnam University)
저널정보
한국색채학회 AIC 2017 Jeju 2017 AIC CONGRESS
발행연도
2017.10
수록면
63 - 66 (4page)

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Full color LED lighting systems are used for special effect of lighting on circadian rhythm, mood, and attention level. Under time modulated full color LED light sources, color break-up can be observed as well as the phantom array effect according to modulation frequency and overlapping phase. The color break-up usually was observed when display images produced with a color-sequential projector were viewed under saccadic eye movement. No experimental results were found for the color break-up in lighting system. This paper examines color break-up and the phantom array effect of time-modulated full color LED lighting systems. For the experiment, a full-color RGBW LED lighting system was developed to control the modulation frequency, sequence order and overlapping phase, and luminance level of the individual red, green, blue, and white LEDs. Participants observed a white rectangle target in a dark room, illuminated by the time modulated full color LED light sources under saccadic eye movement. Experimental results show that color break-up and phantom array effect can be detected even in the illuminated white rectangle when there is phase shift of turning on the Red, Green, Blue, and White LEDs. As the phase overlap of different color increases, observed color break-up frequencies decreases. Even if the phantom array is still visible, color break-up disappears when red, green, blue, and white LEDs are turned on and off simultaneously.

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ABSTRACT
INTRODUCTION
EXPERIMENT
RESULTS
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UCI(KEPA) : I410-ECN-0101-2019-651-000501686