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What is an LED lighting system?

About LED industry knowledge and info

As with other light source technologies, such as fluorescent and high intensity discharge (Rea 2000), lighting systems using LEDs (Figure 6) can be thought of as having a light source (typically, the individual LED sources), a ballast (for LEDs, often called a driver), and a luminaire (the surrounding materials for optical control of the emitted light and thermal control of the overall system). Unlike traditional lighting systems with few (typically, one to four) light sources, LED systems will likely contain arrays of many individual light sources in the near future. Figure 7 shows several arrays that are commercially available.

Figure 6. LED lighting system anatomy.


Figure 7. LED arrays.