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:
Apr. 08, 2003
Filed:
Dec. 23, 2000
Kevin L. Ash, Grand Rapids, MI (US);
William L. Tonar, Holland, MI (US);
Frederick T. Bauer, Holland, MI (US);
Kathy E. Roberts, East Grand Rapids, MI (US);
David A. Theiste, Byron Center, MI (US);
Gentex Corporation, Zeeland, MI (US);
Abstract
An electrochromic device comprising: a first glass element having an electrically conductive material associated therewith, wherein said first element comprises a height (h ), a width (w ), a thickness (t ), an inner surface, and an outer surface; a second element having an electrically conductive material associated therewith, wherein said second element comprises a height (h ), a width (w ) , and a thickness (t ), an inner surface, and an outer surface; a cell spacing (c) which comprises a distance between said inner surface of said first element and said inner surface of said second element; a gelled electrochromic medium contained within a chamber positioned between said first and second elements; wherein (h ), (w ), (t ), (h ), (w ), (t ), and (c) are numerical values in millimeters; and wherein (h ), (w ), and (t ) of said first element, and (h ), (w ), and (t ) of said second element and (c) comprise numerical values such that the following inequality is satisfied: