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savings are significant because LEDs last longer than any other light sourc

Businesses such as Starbucks, Walmart, Target and Marriott believe in the power of Holonyak’s invention. They understand that LED systems deliver value not just through energy-cost savings. Maintenance-cost savings are significant because LEDs last longer than any other light source. The LED value proposition isn’t reserved for retail giants operating thousands of locations. Smaller regional grocers and other retail chains, such as Food City and Wawa, are getting in on the act. One of the fastest growing applications of LED systems—roadway and area lighting—holds appeal for cities as big as Las Vegas and as small as Superior, Nebraska, population 2,000.

Holonyak, in the GE interview, remembers feeling that he was onto something big when “the magic one” first illuminated: “I know that I’m just at the front end but I know the result is so powerful…there’s no ambiguity about the fact that this has got a life way beyond what we’re seeing.”

Holonyak has called the LED the “ultimate lamp” because “the current itself is the light.” As a result, an LED can have lower losses and higher efficiencies than other lighting technologies.

LEDs are small light sources or thin chips that become illuminated by the movement of electrons through a semiconductor material. Today, LEDs are available in multiple colors, including the bright, white light consumers are used to seeing from their home lighting. LEDs are embraced for their energy savings and long life. They use up to 75 percent less energy than incandescent sources, last up to 25 times longer than incandescent and halogen light sources and up to three times longer than most CFLs. They also are cooler to the touch, start instantly, and the compact shape of LEDs allows for smaller, design-forward lighting fixtures, as well as illumination in tight areas.
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