At XICO, we’re pairing an understanding of the science of light with the latest discoveries around human biology and circadian rhythm. We are working with various technological solutions to offer multiple options to the human-centric lighting space through standard fixtures and those specifically designed to target human biology.
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In the 1970’s, Seymour Benzer and Ronald Konopka identified a gene they called “period”. Their hypothesis was that this period gene controlled the circadian rhythm, but they were unable to isolate the gene or understand how it worked. Hall, Rosbash, and Young experimented on the period gene and in 1984 were able to isolate it, demonstrating it making the protein PER. The Circadian System works through oscillation, PER protein builds up during sleep and dissipates during the day.
Light affects our vision, body, and emotions. Light impacts our circadian rhythm, a built-in clock that regulates the timing of biological processes and daily behavior. Human-Centric Lighting enhances human performance, comfort, health, and well-being by balancing visual, emotional, and biological benefits of lighting for humans. It also improves alertness and concentration during learning or work by providing a better light environment.
Xico SunDial™ Generation 2 LED circadian solutions contributes to satisfying Circadian Lighting Design Feature 54 under the WELL Building Standard v1 and Feature L03 under the Well Building Standard v2. Xico SunDial™ also meets other features within the WELL Light Concept, including coloring quality offering 81+ CRI and R9 values greater than 90, visual comfort metrics, and higher m/p ratios than traditional LED lighting.
ProductsProduct FinderCove Downlights Pendant Perimeter Rail Mounted Surface (Ceiling) Recessed (Drywall) Undercabinet T-Bar | Grid Ceiling Wall Mounted Wood Grill Product SeriesNANO Series MICRO Series EDGE Series GRID Series PRO Series Product Search & FilterCertifications & Standards Low Glare (UGR <19) WELL v2 DLC Title 24 BAA & TAA Compliant
Xico SunDial™ LED Circadian Lighting Solutions promote health and wellness using brilliant, high-quality architectural white light. Xico SunDial™ is the first circadian light to align with the key blue-sky signals (490nm) our minds and bodies need to encourage daytime alertness and promote a better night’s sleep.
With a peak energy emission at 490nm, Xico SunDial™ offers the highest melanopic ratio at standard color temperatures (3000, 3500K, 4000K) for comfortable and energy-efficient illumination that supports healthy circadian rhythms, allowing you to work more productively, sleep more soundly, and live healthier.
Our Circadian Rhythms have evolved to a 24-hour day, but when our lifestyles and our internal clocks are out of sync we are more at risk of lower productivity, reduced concentration, health problems, and various diseases. Circadian rhythm impacts our wellbeing, our behavior, our energy.
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资料来源：企业官网公司介绍页面（复核日期：2026-10-29）。