Chapter 5. Non-Bulb Lighting
LED bulbs will have so much impact due to the fact that they are direct replacements for the lights people have used for years. A standard, household bulb—the A19—can be easily replaced with an LED model with nothing more than a few turns of the wrist. This means that, using existing infrastructure, tremendous amount of energy can be saved every year…and billions of dollars worth of bulbs can be sold. Just how much energy are we talking about? A 2011 Energy.gov report put the potential savings at 84.1 tera-watt hours (TWh) a year if only the A-type bulbs in the US were switched to LEDs. And while the standard household bulb is important, it’s far from the only application of solid-state lighting. Aside from the A19 ...
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