Crystal IS is the market leader in the commercialization of ultraviolet LEDs for the cost-effective production of long lasting, energy-efficient water and air purification devices. Acquired by Asahi Kasei in 2011.

Crystal IS makes the world's highest performing ultraviolet LEDs for use in water, air, and surface sterilization. The company's breakthrough performance is made possible by low-defect density, single-crystal, aluminum nitride substrates and proprietary technologies for crystal growth.

• Industry

  • Energy Technology
  • Nanotechnology & Advanced Materials

• Milestones

  • Lux investment: 2006
  • Acquired by Asahi Kasei:

• Founders

  • Leo Schowalter
  • Glen Slack

  LUX Partners

  • Josh Wolfe

• Latest Tweets

  • See why @bigassfans partnered with Crystal IS to integrate Klaran #UVC LEDs into the Haiku ceiling fan, providing e… https://t.co/cHBsHfv8c4@CISUVC - 03:08 PM Jan 15th
  • Water dispenser service providers can now offer our new retrofit water treatment system which uses #UVC LEDs, rathe… https://t.co/hMlmW0PghY@CISUVC - 02:24 PM Nov 23rd
  • Researchers show Crystal IS's lighting tech inactivates Covid-19 virus #UVC #LEDs https://t.co/ISIN2wi6r7@CISUVC - 06:46 PM Oct 19th