Lighting apparatus

This invention describes a light fixture designed to kill bacteria, fungi, and viruses. It uses a special LED that emits a very precise violet light, specifically between 412 and 415 nanometers, with a very narrow color range. This violet light then hits a second component containing phosphors, which absorb the violet light and re-emit it at longer wavelengths, creating a broader spectrum while still leveraging the initial violet light's disinfection properties.

Why it matters: The claims specify a very narrow-band LED. Advancements in GaN LED manufacturing since 2021 may have made such precise and efficient emitters more readily available or cost-effective, improving the viability of this disinfection approach.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: SpecializedNarrow-band LEDs, specific phosphors, optical design

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