Research Frontiers Inc.

Glass, Ceramics and Concrete ManufacturingUnited States11-50 Employees

Research Frontiers Inc., the developers and licensors of SPD-SmartGlass™, have built an infrastructure of over 40 licensees worldwide that collectively are capable of serving the growing global demand for smart glass products in automobiles, homes, buildings, aircraft, boats and display applications.

In suspended particle devices (SPDs), a thin film laminate of rod-like nano-scale particles is suspended in a liquid and placed in between two pieces of glass or plastic, or attached to one layer. When no voltage is applied, the suspended particles are randomly organized, thus blocking and absorbing light. When voltage is applied, the suspended particles align and let light pass. Varying the voltage of the film varies the orientation of the suspended particles, thereby regulating the tint of the glazing and the amount of light transmitted.

SPDs can be manually or automatically "tuned" to precisely control the amount of light, glare and heat passing through, reducing the need for air conditioning during the summer months and heating during winter. SmartGlass can be controlled through a variety of mediums, such as automatic photosensors and motion detectors, smartphone applications, integration with intelligent building and vehicle systems, knobs or light switches.

SPD-SmartGlass light-control technology increases a user's control over their environment, provides for better user comfort and well-being and improves energy efficiency. The technology provides over 99% UV blockage and instant switching in 1 to 3 seconds. In cars, the range of light transmission for the technology is 50-60 times darker than a typical sunroof to twice as clear as an ordinary sunroof. Published data by Mercedes-Benz shows that SPD-SmartGlass technology can reduce cabin temperatures inside a vehicle by 18°F (10°C). Other advantages include reduction of carbon emissions and the elimination of a need for expensive window dressings.

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