Q. How do LEDs create white light in a variety of ways?

Answer

White light is not produced directly by LEDs. White light is created from LEDs in 2 directions, as seen below: Fluorescence is a method that converts blue illumination to white light to use blue LEDs with a phosphate coating. White light is created by combining red, blue, and green LEDs. The intensity of the various blue, green, and red pieces is varied to generate white light.