The Super Bowl XLV halftime show this year would have been far less interesting without the use of LEDs. While it was a good show showcasing the likes of the Black Eyed Peas, Slash, and Usher, the show was made great by ensemble dancers dressed in suits of LED lights. The band members had LEDs adorning their costumes as well, but nothing quite as full as the ensemble dancers.
The ensemble dancers wore pale suits with what looked like LED ribbons or
LED rope lights running vertically down their costumes. The lights alternated between green, white, and red. I don't know how the changing of the lights was controlled; perhaps by wireless commands, or perhaps by switches on utility belts worn by the dancers. Either way, they added immensely to the aesthetics of the show.
LEDs are ideal for illuminating costumes because their solid state components are very sturdy and produce little heat. Ordinary household incandescent light bulbs on the other hand are fragile and get extremely hot. The heat difference is due to the different ways that incandescents and LEDs light up. An incandescent light bulb produces light by running enough electricity through a metal filament to make it glow. The filament acts like a burning star, producing light through extremely hot burning.
LEDs produce light when electricity is run through a diode, exciting atoms until they produce photons for light. It takes way less electricity to make a diode light than to make a filament light, which is why LEDs are so much more energy efficient. One LED is also able to produce multiple different colors, unlike standard incandescents. The multi-colored aspect of LEDs was shown during the Super Bowl halftime show as dancers' uniforms changed colors. All in all the Super Bowl halftime show was a great example of how far LED technology has come.
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