Difference between revisions of "Light Emitting Diode (LED)"
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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 low-intensity red light, but modern versions are available across the visible, ultraviolet and infrared wavelengths, with very high brightness." | + | "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 low-intensity red light, but modern versions are available across the visible, ultraviolet and infrared wavelengths, with very high brightness." |
| − | Source and more info: http://en.wikipedia.org/wiki/Light-emitting_diode | + | Source and more info: http://en.wikipedia.org/wiki/Light-emitting_diode |
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| + | [[Category:Energy_Use]] | ||
Revision as of 13:57, 26 August 2011
"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 low-intensity red light, but modern versions are available across the visible, ultraviolet and infrared wavelengths, with very high brightness."
Source and more info: http://en.wikipedia.org/wiki/Light-emitting_diode
