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:
May. 27, 2014
Filed:
Jan. 17, 2012
Thomas F. Guarr, Holland, MI (US);
David A. Theiste, Byron Center, MI (US);
Kevin L. Ash, Grand Rapids, MI (US);
David I. Driscoll, Caledonia, MI (US);
Henry A. Luten, Holland, MI (US);
Thomas F. Guarr, Holland, MI (US);
David A. Theiste, Byron Center, MI (US);
Kevin L. Ash, Grand Rapids, MI (US);
David I. Driscoll, Caledonia, MI (US);
Henry A. Luten, Holland, MI (US);
Gentex Corporation, Zeeland, MI (US);
Abstract
A variable transmission electrochromic window including: first and second substantially transparent substrates having electrically conductive materials associated therewith; an electrochromic medium contained within a chamber positioned between the first and second substrates which includes at least one solvent, at least one anodic electroactive material, at least one cathodic electroactive material, and wherein at least one of the anodic and cathodic electroactive materials is electrochromic; and wherein the electrochromic window exhibits an Eof less than approximately 20, and more preferably less than approximately 5, while in a low transmission state during normal daylight conditions.