Solid-state lighting

Solid-state lighting

Solid-state lighting (SSL) refers to a type of lighting that utilizes light-emitting diodes (LEDs), organic light-emitting diodes (OLED), or polymer light-emitting diodes (PLED) as sources of illumination rather than electrical filaments or gas.

The term "solid state" refers to the fact that light in an LED is emitted from a solid object—a block of semiconductor—rather than from a vacuum or gas tube, as is the case in traditional incandescent light bulbs and fluorescent lamps. Unlike traditional lighting, however, SSL creates visible light with reduced heat generation or parasitic energy dissipation. In addition, its solid-state nature provides for greater resistance to shock, vibration, and wear, thereby increasing its lifespan significantly.

ee also

*LED lamp
*List of light sources

External links

* [http://www.netl.doe.gov/ssl/strategy.html DOE SSL roadmap]
* [http://www.solidstatelightingdesign.com Solid State Lighting Design]
* [http://www.aip.org/pt/vol-54/iss-12/p42.html The Promise and Challenge of Solid-State Lighting]
* [http://www.lrc.rpi.edu/programs/solidstate/index.asp Lighting Research Center - Solid-State Lighting Program]


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