Research Frontiers Incorporated engages in the development and marketing of technology and devices to control the flow of light. It develops and licenses suspended particle device (SPD-Smart) light-control technology to companies that manufacture and market the SPD-Smart chemical emulsion, light-control film made from the chemical emulsion, lamination services, and electronics to power end-products incorporating the film; or the end-products, such as windows, skylights, and sunroofs. The company's SPD-Smart light-control technology is used in various product applications, including windows, sunshades, skylights, and interior partitions for homes and buildings; automotive windows, sunroofs, sun-visors, sunshades, rear-view mirrors, instrument panels, and navigation systems; aircraft windows; variable light transmission eyewear products, such as sunglasses and goggles; flat panel displays for electronic products; and other symbols to supply information comprising scientific instruments, aviation instruments, and automobile dashboard displays, as well as instruments and other information displays that use digits, letters, and graphic images. Research Frontiers Incorporated was founded in 1965 and is headquartered in Woodbury, New York.