Ultra violet enhanced response photochromic composition and device
AssigneeKiloLambda Technologies Ltd.
InventorsNoam Gross, Ariela Donval, Moshe Oron, Doron Nevo
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Abstract
The present invention relates to an optical power-limiting composition for limiting optical power transmission for an entire solar UV spectrum. The composition includes photochromic dye molecules and UV fluorescent nanoparticles in a matrix material. The composition is configured to absorb wavelengths in the entire solar UV spectrum, including wavelengths of 300-340 nm, thereby enhancing photochromic responsiveness of the composition to solar light. The composition includes a first side that receives impinging light and a second side opposed to the first side.
Claims20
An optical power-limiting composition for limiting optical power transmission for an entire solar UV spectrum, comprising:
- photochromic dye molecules and UV fluorescent nanoparticles in a matrix material, the composition being configured to absorb wavelengths in the entire solar UV spectrum, including wavelengths of 300-340 nm, thereby enhancing photochromic responsiveness of the composition to solar light, wherein the composition includes a first side that receives impinging light and a second side opposed to the first side.
A composition for limiting optical power transmission for the entire solar UV spectrum, comprising:
- a transparent bulk material including nano-sphere capsules embedded therein, the nano-sphere capsules including photochromic dye molecules and UV fluorescent nanoparticles in a matrix, wherein the transparent bulk material includes a first side and a second side opposing the first side.
Dependencies are inferred from the claim text.