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Windows have both direct and indirect impacts on building energy consumption. Electrochromic windows, or the application of electrochromic switchable glazes deposited on to windows, also known as smart windows, are a technology for energy efficiency used in buildings by controlling the amount of sunlight passing through. [4]
Electrochromic devices change light transmission properties in response to voltage and thus allow control over the amount of light and heat passing through. [12] In electrochromic windows, the material changes its opacity. A burst of electricity is required for changing its opacity, but the material maintains its shade with little to no ...
Electrochromism is commonly used in the production of electrochromic windows or "smart glass", [3] [1] and more recently electrochromic displays on paper substrate as anti-counterfeiting systems integrated into packaging. [27]
SAGE Electrochromics, Inc., a wholly owned subsidiary of Saint-Gobain, is a specialized window glass developer based in Faribault, Minnesota. The company develops electronically tintable smart glass (also called electrochromic glass, EC, or dynamic glass), for use in building windows, skylights and curtainwalls, that can be electronically tinted or cleared to optimize daylight and improve ...
The company's product, View Dynamic Glass, features an electrochromic (EC) coating composed of multiple layers of ceramic metal oxide with a thickness of 1 micron. [18] Low voltage wiring is added so the tint of the glass can be controlled through an app or centralized software system in response to weather or interior temperature.
Gentex and PPG Aerospace have delivered electrochromic smart windows for the Boeing 787 Dreamliner. [18] These windows use viologens and a redox agent to adjust the amount of light that is allowed through the window, a similar technology to Gentex' auto-dimming rearview mirrors. [19]
Electrochromic blackout windows (Saint-Roch - 1997) The smart mailbox for e-commerce and pack stations (DHL - 2001) The first banking app (ING, 2003) Self-checkout in the supermarket (Delhaize - 2007) Smart energy meters (Eandis & Engie - 2010) The ambulance drone (TUDelft - 2012)
Photovoltaic windows are (semi)transparent modules that can be used to replace a number of architectural elements commonly made with glass or similar materials, such as windows and skylights. In addition to producing electric energy, these can create further energy savings due to superior thermal insulation properties and solar radiation control.