Tuning LEDs Is Like Mixing Paints
To get the right light for displays and other devices, you need the proper mix of red, green and blue. Now a team from MIT in Cambridge, Mass., has demonstrated that the same idea can be applied when making LEDs using quantum dots. By using the right ratio, the researchers made a white LED with a color rendering index of 86, a reading about halfway between that of a cool white fluorescent light and that of an incandescent bulb.
Researchers have made a white light LED by mixing quantum dots...
Photonics Spectra, September 2007