Optical filter with light source

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United States of America Patent

PATENT NO 11940679
APP PUB NO 20230096611A1
SERIAL NO

17983299

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An apparatus is disclosed that includes a switchable optical filter having a layer of switchable material; a 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 light source.

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Patent Owner(s)

Patent OwnerAddress
SOLUTIA CANADA INCVANCOUVER BC V7Y 1B3

International Classification(s)

Inventor(s)

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

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