|This article relies largely or entirely upon a single source. (June 2012)|
Solid-state lighting (SSL) refers to a type of lighting that uses semiconductor light-emitting diodes (LEDs), organic light-emitting diodes (OLED), or polymer light-emitting diodes (PLED) as sources of illumination rather than electrical filaments, plasma (used in arc lamps such as fluorescent lamps), or gas.
The term "solid state" refers commonly to light emitted by solid-state electroluminescence, as opposed to incandescent bulbs (which use thermal radiation) or fluorescent tubes. Compared to incandescent lighting, SSL creates visible light with reduced heat generation or parasitic energy dissipation. Most common "white" LEDs convert blue light from a solid-state device to an (approximate) white light spectrum using photoluminescence, the same principle used in conventional fluorescent tubes.
The typically small mass of a solid-state electronic lighting device provides for greater resistance to shock and vibration compared to brittle glass tubes/bulbs and long, thin filament wires. They also eliminate filament evaporation, potentially increasing the life span of the illumination device.
Solid-state lighting is often used in traffic lights and is also used frequently in modern vehicle lights, street and parking lot lights, train marker lights, building exteriors, remote controls etc.
Industry-wide Effects of Solid-state Lighting
Solid-state lighting has introduced a strong foothold across most of the lighting industries, and the advancements of those industries allows for the growth and technological advancement of solid-state lighting overall. One specific area where solid-state lighting has advanced rapidly is the Entertainment Lighting industry, where the standard incandescent Tungsten-Halogen (TH) lamp is being replaced by lighting fixtures with a solid-state light source as opposed to incandescent or discharge sources. Solid state lighting fixtures for the Entertainment Lighting industry have created major industry awareness about power consumption, power and data distribution, generated heat and its effect on a venue, among others. Companies in the subset of Entertainment Lighting have adapted to meet customer demand for solid-state products; these companies have quickly adapted their product lines to offer a conglomerated mix of solid-state, incandescent, and discharge products accordingly.
Entertainment Lighting companies that have adapted their lines to the Solid-state lighting models include but are not limited to:
- Philips (Vari*Lite, Strand, Selecon)
- Martin Lighting
- High End Systems/BARCO
- Altman Lighting
- Chauvet Professional
- Electronic Theatre Controls (ETC)
- Clay Paky
- Elation Professional
- Ayrton Light (France)
- LED lamp
- List of light sources
- L Prize
- Nonimaging optics
- Smart lighting
- California Sustainability Alliance Solid State Lighting, Received July 24th, 2010
- Assessment of Advanced Solid State Lighting. National Academies Press. 2013.
|Wikimedia Commons has media related to LED lamps.|
- EUROPEAN METROLOGY RESEARCH PROJECT - METROLOGY FOR SOLID STATE LIGHTING
- Solid State Lighting, International Energy Agency research project
- DOE SSL roadmap
- Lighting Research Center - Solid-State Lighting Program
- OLLA: finished European academic-industrial research project into OLED lighting
- OLED100.EU: successor to the OLLA project