Vitamin D from UV LEDs – US patent application

20190308032

Claim 1 An indoor lighting panel for mounting on a wall or to a ceiling, wherein the indoor lighting panel comprises: a housing; an arrangement of UV-B LEDs in the housing; and a fabric output screen which provides a UV-B exit surface, wherein the fabric output screen is at least partially transparent to UV-B light, wherein the fabric output screen has a linear mass density of between 40 and 200 denier, wherein the fabric output screen is at least partially opaque to visible light, and wherein the fabric of the fabric output screen exhibits no fluorescence or phosphorescence upon absorption of UV-B light.

Make your own UVB Vitamin D lamp for 40 dollars - Jan 2019

    Low cost UV lamps are far more cost-effective than UV LEDs in 2019

UVB added in classroom reduced cavities, increased height, increased academics. etc

    appears practical for classrooms, offices, etc.

Who said vitamin D could not be patented International Patents 2018

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Vitamin D Patents have so far been made for

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