The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 26, 2024
Filed:
Nov. 08, 2022
Applicant:
Solutia Canada Inc., Vancouver, CA;
Inventors:
Neil Robin Branda, North Vancouver, CA;
Jeremy Graham Finden, North Vancouver, CA;
Duhane Lam, Burnaby, CA;
Jonathan Ross Sargent, Vancouver, CA;
Cynthia Elizabeth Shippam, Burnaby, CA;
Douglas Malcolm Wiggin, Burnaby, CA;
Assignee:
Solutia Canada Inc., British Columbia, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/03 (2006.01); G02B 5/23 (2006.01); G02B 26/02 (2006.01); G02C 7/10 (2006.01); G02F 1/01 (2006.01); G02F 1/07 (2006.01); G02F 1/1516 (2019.01); G02F 1/15 (2019.01);
U.S. Cl.
CPC ...
G02F 1/03 (2013.01); G02B 5/23 (2013.01); G02B 26/02 (2013.01); G02C 7/102 (2013.01); G02F 1/0126 (2013.01); G02F 1/0147 (2013.01); G02F 1/1516 (2019.01); G02C 7/101 (2013.01);
Abstract
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.