색온도 특성에 따른 LED조명과 형광램프의 감성반응 비교분석 (Sensibility Evaluation of LED Lighting and Fluorescent Lamp based on Color Temperature)

The purpose of this study is to conduct comparison and evaluation tests of brightness and color rendering of fluorescent
lamps and LED lighting based on features of color temperature, and secure sensibility data of LED lighting by implementing
tests to examine preference and sensible images of each luminous source. This study was conducted in three steps. First, test
points and measurement/evaluation methods were determined, and light cabinet was set up to simultaneously compare the
conventional light of fluorescent lamps and LED lighting. Second, physical features of the selected luminous sources were
measured and analyzed. Third, test points of the two luminous sources were measured and analyzed.
The result of the study showed that LED lighting in the same color temperature range is felt more brightly than the
conventional lighting under the same illuminance. The result of relative color rendering tests showed that LED lighting in 4100K
of color temperature range is more natural but LED lighting in the color temperature range of 2900K and 6500K has some
problems. The result of preference tests showed that fluorescent lamps are more preferred than LED in all range of color
temperature. Test subjects the most preferred a light source in the color temperature range of 4100K regardless of the type of
luminous sources. The results of sensibility evaluation were analyzed by factors. The analysis classified evaluation factors into
"activity", "capacity" and "evaluation". Among the tree factors, "activity" was found the most influential factor in sensible image
evaluation.

The purpose of this study is to conduct comparison and evaluation tests of brightness and color rendering of fluorescent
lamps and LED lighting based on features of color temperature, and secure sensibility data of LED lighting by implementing
tests to examine preference and sensible images of each luminous source. This study was conducted in three steps. First, test
points and measurement/evaluation methods were determined, and light cabinet was set up to simultaneously compare the
conventional light of fluorescent lamps and LED lighting. Second, physical features of the selected luminous sources were
measured and analyzed. Third, test points of the two luminous sources were measured and analyzed.
The result of the study showed that LED lighting in the same color temperature range is felt more brightly than the
conventional lighting under the same illuminance. The result of relative color rendering tests showed that LED lighting in 4100K
of color temperature range is more natural but LED lighting in the color temperature range of 2900K and 6500K has some
problems. The result of preference tests showed that fluorescent lamps are more preferred than LED in all range of color
temperature. Test subjects the most preferred a light source in the color temperature range of 4100K regardless of the type of
luminous sources. The results of sensibility evaluation were analyzed by factors. The analysis classified evaluation factors into
"activity", "capacity" and "evaluation". Among the tree factors, "activity" was found the most influential factor in sensible image
evaluation.