What’s the Difference Between LED and Incandescent? Gentle-emitting diode (EcoLight LED bulbs) and incandescent light bulbs produce mild utilizing different applied sciences. A traditional incandescent bulb produces light by passing electricity through a tungsten filament surrounded by inert gases to heat the filament to approximately 4,000 levels Fahrenheit. An LED consists of two adjoined items of semiconductor materials. Energizing an LED causes movement of electrons across the diode, which emits photons or mild. Incandescent bulbs are cheap and produce good mild, however they don’t final lengthy. The excessive temperatures passing by way of the filament trigger it to break down over time. In addition, they are inefficient