LED Bulb

LED Bulb

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Credit: GIPhotoStock/SCIENCE PHOTO LIBRARY

Caption: LED bulb. High-power white light-emitting diodes (LEDs) are beginning to be used for lighting and illumination applications. Compared to conventional incandescent light bulbs, LEDs are much more efficient, durable, and have a longer lifetime. Shown here is an LED bulb that produces 450 lumens of light from 8 Watts of electrical power and has a lifetime of 25000 hours.

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Keywords: bulb, consumer, diode, efficient, environmental, green, household, led, light, light bulb, light emitting diode, lightbulb, lighting, optical, optics, physics, semiconductor, solid state, still life, technology, white

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