LED stands for "light emitting diode" and it's those diodes that make the lights different from traditional incandescent and CFL bulbs, which contain filaments inside a glass bulb. The LED "bulb" contains tiny light sources or lenses that illuminate when
Solid-state devices such as LEDs are subject to very limited wear and tear if operated at low currents and at low temperatures. Many of the LEDs made in the 1970s and 1980s are still in service today. Typical lifetimes quoted are 25,000 to 100,000 hours,
