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LED lighting design guide

LED lighting design guide

By Littelfuse The first LED lamps were introduced in the late 1990s. Since then, the unit costs have been steadily declining by double-digit percentages, making LED lighting technology viable for commercial, industrial and outdoor lighting applications. In addition, large strides have been made in improving the efficiency, lumen output and performance of LED lights. The global LED lighting market is ...

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LED guide: How LEDs work

LED guide: How LEDs work

A light-emitting diode (LED) is a two-leadsemiconductor light source. It is a p?n junction diode, which emits light when activated. When a suitable voltage is applied to the leads, electrons are able to recombine with electron holes within the device, releasing energy in the form of photons. This effect is calledelectroluminescence, and the color of the light (corresponding to the ...

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