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July 22, 2020

Toyoda Gosei develops UV LED sterilisation light

Toyoda Gosei has developed a deep UV LED light module for use in the sterilisation of water, air and surfaces.

By Rhodri Morgan

Toyoda Gosei has developed a deep UV LED light module for use in the sterilisation of water, air and surfaces.

The new modules access the technology the company has accumulated across 30 years in the development and production of blue LEDs.

Deep UV LEDs emit short wavelength ultraviolet light, which can destroy the genetic materials of viruses and bacteria. They are promising as a new sterilising light source that can be used in place of mercury lamps, for which there is environmental concern.

With the aim of spreading applications of the technology, Toyoda Gosei has been developing products in modules or units with waterproof or heat dissipation features.

In a joint experiment conducted with the Biomedical Science Association using human coronavirus 229E (HCoV-229E), which has genetic materials similar to those of the virus that causes COVID-19 (SARS-CoV2), these modules were demonstrated to be highly effective in sterilisation.

Toyoda Gosei is cooperating with the Toyota Group and other companies to develop applications for water, air and surface sterilisation.

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