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Laser & Optoelectronics Progress, Volume. 56, Issue 24, 243301(2019)

Variation of Non-Visual Biological Effect of LED Lighting with Color Temperature

Chaopu Yang1,2,4, Wenqing Fang3、*, Changwan Han1,4, Fan Yang2,3, and Mingbao Liu1,4
Author Affiliations
  • 1College of Chemical Engineering and Modern Materials, Shangluo University, Shangluo, Shaanxi 726000, China
  • 2School of Materials Science and Engineering, Nanchang University, Nanchang, Jiangxi 330031, China
  • 3National Engineering Technology Research Center for LED on Silicon Substrate, Nanchang University, Nanchang, Jiangxi 330047, China
  • 4Shaanxi Key Laboratory of Comprehensive Utilization of Tailings Resources, Shangluo University, Shangluo, Shaanxi 726000, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (8)
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    References (15)
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    Figures & Tables(8)
    Response functions of human eyes to visible light

    Fig. 1. Response functions of human eyes to visible light

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    Normalized spectral distributions of LED lighting at different color temperatures

    Fig. 2. Normalized spectral distributions of LED lighting at different color temperatures

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    Z value of LED lighting of 1931 CIE-XYZ standard chromaticity system varies with color temperature

    Fig. 3. Z value of LED lighting of 1931 CIE-XYZ standard chromaticity system varies with color temperature

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    Proportion of 415-508 nm blue light of LED lighting varies with color temperature

    Fig. 4. Proportion of 415-508 nm blue light of LED lighting varies with color temperature

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    Rhythm factor of LED lighting varies with color temperature

    Fig. 5. Rhythm factor of LED lighting varies with color temperature

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    Relationship between LED lighting color coordinate Z value and rhythm factor KC

    Fig. 6. Relationship between LED lighting color coordinate Z value and rhythm factor KC

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    Relationship between 415-508 nm blue light proportion RC of LED lighting and rhythm factor KC

    Fig. 7. Relationship between 415-508 nm blue light proportion RC of LED lighting and rhythm factor KC

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    • Table 1. Rhythm factors KC and relative errors calculated by different methods

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      Table 1. Rhythm factors KC and relative errors calculated by different methods

      Colortemperature /KRhythmfactor KCCalculated KC according to ZCalculated KC according to RC
      ResultRelative error /%ResultRelative error /%
      26781.50611.51480.5761.45913.120
      27041.93601.86493.6731.99022.798
      29081.58011.58210.1261.62833.049
      30202.04802.19106.9822.13664.326
      41592.86143.07027.2993.04376.371
      45753.11882.83309.1642.82299.489
      66324.03324.04180.2123.87533.917
      72584.46424.45000.3184.59162.853
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    Chaopu Yang, Wenqing Fang, Changwan Han, Fan Yang, Mingbao Liu. Variation of Non-Visual Biological Effect of LED Lighting with Color Temperature[J]. Laser & Optoelectronics Progress, 2019, 56(24): 243301

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    Paper Information

    Category: Vision, Color, and Visual Optics

    Received: Apr. 8, 2019

    Accepted: Jun. 13, 2019

    Published Online: Nov. 26, 2019

    The Author Email: Fang Wenqing (fwq@ncu.edu.cn)

    DOI:10.3788/LOP56.243301

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology