Optical filter with light source

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United States of America Patent

PATENT NO 11586060
APP PUB NO 20210088814A1
SERIAL NO

16874302

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Abstract

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An apparatus comprising a switchable optical filter comprising a layer of switchable material, the switchable material comprising a photochromic/thermochromic, a photochromic/photochromic, or a photochromic/electrochromic compound; a first light source providing light of a wavelength that causes the switchable material to transition from a faded state to a dark state, or a dark state to a faded state; and a switch for controlling activation of the first light source.

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Patent Owner(s)

Patent OwnerAddress
SOLUTIA CANADA INCVANCOUVER BC V7Y 1B3

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Branda, Neil Robin Burnaby, CA 27 496
Finden, Jeremy Graham Burnaby, CA 23 180
Lam, Duhane Burnaby, CA 60 1147
Sargent, Jonathan Ross Burnaby, CA 20 167
Shippam, Cynthia Elizabeth Burnaby, CA 7 46
Wiggin, Douglas Malcolm Burnaby, CA 9 62

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