Mobile QR Code QR CODE : Journal of the Korean Institute of Illuminating and Electrical Installation Engineers

Journal of the Korean Institute of Illuminating and Electrical Installation Engineers

ISO Journal TitleJ Korean Inst. IIIum. Electr. Install. Eng.
Title A Study on Changes of the S/P Ratio and CRI Based on the Wavelength Spectra of RGB 3-Chip LED Lightings
Authors Jong-Oh Kim ; Hyeong-Seob Jo ; Uh-Chan Ryu
DOI http://dx.doi.org/10.5207/JIEIE.2017.31.2.017
Page pp.17-25
ISSN 1225-1135
Keywords RGB LED ; S/P Ratio ; CRI ; CCT ; FWHM ; Peak Wavelength
Abstract Since LED lightings were emerged as new lighting technologies, research has been conducted on the photopic vision, the scotopic vision and the mesopic vision under the LED lightings. The S/P(scotopic luminous flux/photopic luminous flux) ratios of the war