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    • Denggle > Lighting News >

    New Approach to Measure and Adjust LED Spectra to Ensure Lighting Quality for Human Centric Lighting Applications

    New Approach to Measure and Adjust LED Spectra to Ensure Lighting Quality for Human Centric Lighting Applications

    Source： ledinside.com. 08 Apr 2019
    Human Centric Lighting LED research

    For keeping the quality and effect of tunable LED lighting used in human centric lighting applications, a new research proposed novel methods to overcome the challenges of temperature change and lumen decay of LEDs. The research team demonstrated a system to maintain consistency and stability of LED light source over an extended period of time.

     

    Featured with tunable color temperature and spectrum, LED has been increasingly adopted in the developing human centric lighting applications in medical, educational and working environment for improving human well-being. Some of these applications require highly precise light spectra that don't produce optical power variations or shifts in color over time.

     

    Temperature changes and age-based deterioration are two challenges of LED when meeting the requirements of human centric lighting applications. The researchers thus addressed the challenges and developed a self-monitoring method to ensure the consistency of LED light emission.

     

    The research, titled “Arbitrary Spectral Matching Using Multi-LED Lighting Systems,” was published in the SPIE journal Optical Engineering on March 29, 2019. In the paper, the authors announced a two-pronged approach to both measure and self-adjust the spectral power distributions (SPDs) of LED lighting systems.

     

    New Approach to Measure and Adjust LED Spectra to Ensure Lighting Quality for Human Centric Lighting Applications

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