LEDs differ from traditional light sources in the way they produce light. In an incandescent lamp, a tungsten filament is heated by electric current until it glows or emits light. In a fluorescent lamp, an electric arc excites mercury ...
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A light-emitting diode (LED) is a semiconductor light source. LEDs are used as indicator lamps in many devices and are increasingly used for other lighting. Introduced as a practical electronic component in 1962,early LEDs emitted ...
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For decades, those concerned with energy savings have been touting the benefits of compact fluorescent lamps (CFLs) over incandescents. CFLs use only one-fifth of the electricity of incandescents to generate the same amount of light, and ...
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For decades, those concerned with energy savings have been touting the benefits of compact fluorescent lamps (CFLs) over incandescents. CFLs use only one-fifth of the electricity of incandescents to generate the same amount of light, and ...
Laser is a mechanism by which electromagnetic radiations are emitted, characteristically Light or visible light by the method of stimulated emission.Light amplification by stimulated emission of radiation is known as LASER.The laser light ...
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Light bulbs haven't been sexy tech since Thomas Edison's day, but innovation has come to an industry that has seen relatively little of it for a century. Today, the lighting industry is in a remarkable state of flux, and much of it has been ...
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