Journal of the Architectural Institute of Korea Planning & Design (대한건축학회논문집:계획계)

Architectural Institute of Korea (대한건축학회)
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Analysis of User Preference about the Color Rendering Index, Correlated Color Temperature and Illuminance of LED Lighting in Merchandising Spaces

상업공간에서의 사용자 선호 LED 조명 연색지수와 상관색온도, 조도의 분석

  • 이수정 (홍익대 일반대학원 건축학과) ;
  • 윤혜경 (홍익대 건축대학 건축학과)
  • Received : 2018.10.23
  • Accepted : 2018.12.12
  • Published : 2019.01.30
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Abstract

This study aims to recommend the proper Color rendering index (CRI), the Correlated Color Temperature (CCT), and illuminance levels of Light-Emitting Diode (LED) lighting based on the analysis of the criteria of the current CRI, the CCT, and illuminance levels in merchandising spaces with LED lighting conditions. It would be a basic material to apply in line with user preference for LED merchandising lighting. To this end, it examines relevant literature review on the experiments designed to test whether lighting characteristics affect brightness perception, color appearance, and pleasantness. Highly saturated colors appear brighter than low saturated colors. Two lighting applications - grocery and clothing shop - were created in elaborating the effect of LED lighting characteristics of CRI on color appearance and the CCT and illuminance on pleasantness. The findings show that the criteria of CIE Ra<80 are appropriate to provide better color appearance of illuminated products in terms of LED lighting that can enhance color saturation, particularly for the red color. Furthermore, 2700 K and less than 500 lux for grocery, 4000 K and more than 500 lux for clothing shop are found to be the proper the CCT and illuminance levels respectively to bring better preference under LED lighting.

Keywords

Acknowledgement

Supported by : 홍익대학교, 한국연구재단

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