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Because of their many advantages over traditional incandescent and fluorescent light bulbs, LED lights are poised to transform all forms of lighting. Selecting and purchasing LED lights requires buyers to learn new terminology and take into consideration factors that they do not have to think about when buying traditional types of lighting. This brief  provides some basic background and purchasing considerations for first-time buyers of LED replacement lights.

As most people probably know by now, LED stands for light-emitting diode. LEDs are actually semiconductors (just like computer chips) that produce light more efficiently than traditional light sources. When electricity is passed through them, they emit energy in the form of light. These semiconductors are doped or injected with chemicals that determine their light color. LEDs convert the majority of energy passed through them to light, as opposed to incandescent bulbs that produce light as a by-product of being heated. For this reason, LEDs can be up to 80% more efficient than traditional household filament light bulbs.