OPTICAL DEVICES AND METHODS FOR ADJUSTABLE LIGHT ATTENUATION BASED ON OPTICAL SCATTERING
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United States of America
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Nov 14, 2024
app pub date -
May 3, 2024
filing date -
May 3, 2024
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Abstract
An optical device includes an optically dimmable filter for providing a first set of scattering properties while the optically dimmable filter is in a first state and providing a second set of scattering properties while the first optically dimmable filter is in a second state. The optically dimmable filter also includes (i) a substrate with a plurality of surface features characterized by a first refractive index; (ii) a first set of one or more electrodes; (iii) a second set of one or more electrodes; and (iv) a medium having a second refractive index while the first optically dimmable filter is in a first state and a third refractive index distinct from the second refractive index while the first optically dimmable filter is in the second state. The first refractive index is closer to the second refractive index than the third refractive index.
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