Journal of the Korean Institute of Illuminating and Electrical Installation Engineers (조명전기설비학회논문지)

The Korean Institute of IIIuminating and Electrical Installation Engineers (한국조명전기설비학회)
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The Analysis of Fatigueness and Preference for Three Appearance Attributes of LED Light Color

LED 광색의 삼속성에 따른 피로도와 선호도 분석

  • 백창환 (대진대학교 대학원 물리학과) ;
  • 김연진 (삼성전자 디지털 미디어 & 커뮤니케이션 연구소) ;
  • 김홍석 (대진대학교 물리학과) ;
  • 박승옥 (대진대학교 물리학과)
  • Received : 2010.10.06
  • Accepted : 2010.12.09
  • Published : 2011.01.31
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Abstract

Light emitting diode(LED) technology has been increasingly developed and larger color gamut by LED illuminations can be reproduced; therefore more efficient LED lighting design can be accomplished under a consideration of color emotion. Fifty-two LED colors which are uniformly distributed on the uniform chromaticity space are evaluated in terms of fatigueness and preference and their relation to three color-appearance attributes(lightness, chroma and hue) are investigated. As a result, 23 human observers likely to prefer and feel comfortable, when lightness of a given LED color stimulus increases as well as its chroma decreases. The highest fatigueness score is observed in red color series and the most preferred LED color is found in green color series. In addition, fatigueness and preference show a strong negative linear relation and their Pearson correlation is higher than -0.8.

Keywords

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