LED bulb

Credit: GIPhotoStock/SCIENCE PHOTO LIBRARY

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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 longer lifetime. Shown here is an LED bulb that produces 450 lumens of light from 8 W of electrical power and has a lifetime of 25000 hours. Sold in the USA by Philips.

Release details: Model release not required. Property release not required.

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

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