Ketra pioneered intelligent LED lighting systems that dynamically adjust color temperature, intensity, and hue to replicate the natural arc of daylight. Founded in 2009 by engineers Horace Ho, Jason Lewis, and David Knapp in Austin, Texas, Ketra's Natural Light technology was adopted for high-end hospitality, residential, and commercial installations before the company was acquired by Lutron Electronics in April 2018.
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May 2011
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