As LEDs gain a greater portion of the lighting market, they are currently used in a variety of devices and applications ranging from traffic control devices (e.g. traffic lights, which include the single signal device that changes colors from green to yellow to red), Battery Powered Outdoor String Lights, hazard signs, message displays (e.g. Times Square, New York, commodities and news message boards, scoreboards), cell phones, televisions, large video screens used at sporting and other outdoor events (e.g. Miami Dolphins end-zone screen), calculators, digital clocks and watches, flashlights (including models for which 60 seconds of manual winding provides one-hour of light, eliminating the need to stockpile fresh batteries for emergencies), Christmas lights, airport runway lights, buoy lights, and automotive applications (e.g. indicator lights as well as head lights and signal lights in some vehicles; driver’s of the new 2006 Ford Mustang can even change the color (125 different varieties) of their “LED-laden dashboard by using the ‘My Color’ feature”.
