1 shows a white-light LED in action). It is possible to generate light in semiconductor materials (such as GaN or AlInGaP) by injecting electrons into the conduction band of the material and ...

I wanted to understand the advantages of LED lighting over traditional options, and it turns out there's more to it than just ...

White LEDs aren’t emitting white light directly; rather, the white light comes from phosphors coating the underlying LED, which emits a deep blue light. The defunct units all showed signs of ...

They are less energy efficient than CFL and LED ... of the light. A bulb with a high Kelvin rating produces a whiter light, while a bulb with a lower Kelvin rating produces a warmer white.