Tuesday, August 9, 2011

Go Green With LED Lights in your Homes and Gardens

History and introduction of LED lightings



LED’s have been around since the 60s, but have mostly been relegated to showing the time in an alarm clock or the battery level of a video camera. Its use as a source of illumination was a challenging one for scientists. Light Emitting Diodes or LED Lightings- differ from traditional light sources in the way they produce light. In incandescent bulbs, a tungsten filament is heated by electric current until it glows or emits light. In a

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