A white-light emitting diode (LED) is provided that emits primary light at a wavelength that is in the range of 485 to 515 nanometers (nm), which corresponds to a bluish-green color. A portion of the primary light is converted into a reddish-colored light that ranges in wavelength from approximately...http://www.google.es/patents/US6603258?utm_source=gb-gplus-sharePatente US6603258 - Light emitting diode device that emits white light
Light emitting diode device that emits white light
