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Electrode with transparent series resistance for uniform switching of optical modulation devices

United States Patent

January 8, 2008
View the Complete Patent at the US Patent & Trademark Office
Switching uniformity of an optical modulation device for controlling the propagation of electromagnetic radiation is improved by use of an electrode comprising an electrically resistive layer that is transparent to the radiation. The resistive layer is preferably an innerlayer of a wide-bandgap oxide sandwiched between layers of indium tin oxide or another transparent conductor, and may be of uniform thickness, or may be graded so as to provide further improvement in the switching uniformity. The electrode may be used with electrochromic and reversible electrochemical mirror (REM) smart window devices, as well as display devices based on various technologies.
Tench; D. Morgan (Camarillo, CA), Cunningham; Michael A. (Thousand Oaks, CA), Kobrin; Paul H. (Newbury Park, CA)
Teledyne Licensing, LLC (Thousand Oaks, CA)
11/ 162,106
August 29, 2005
GOVERNMENT RIGHTS This invention was made with Government support under Contract No. DE-FC26-03NT41951 awarded by the Department of Energy. The Government has certain rights in this invention.