Method for manufacturing a light extraction structure for a UV lamp
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United States of America Patent
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Nov 17, 2020
Grant Date -
Jul 4, 2019
app pub date -
May 22, 2017
filing date -
May 23, 2016
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Abstract
A method for forming a light extraction layer including nanostructures, the method including: providing a substrate, the substrate being at least partially transparent to UV light; forming a non-aqueous precursor solution comprising fluorine and an alkaline earth metal to form alkaline earth metal difluoride particles; applying the precursor solution on at least a first side of the substrate; drying the substrate at a first temperature for a first period of time; and baking the substrate at a second temperature, higher than the first temperature, for a second period of time, thereby forming a light extraction nanostructure layer comprising alkaline earth metal difluoride nanostructures on the substrate. Also, a light extraction structure and to a UV lamp including such an extraction structure.
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