"Because red, green and blue LEDs are required to make white LED light" Just to nitpick a bit: you only need blue LEDs to make white LED lights. Most modern wh

"Because red, green and blue LEDs are required to make white LED light" Just to nitpick a bit: you only need blue LEDs to make white LED lights. Most modern white LEDs use a phosphor coating (the yellow you see in the LED chip) to get white light out of the blue LED.