A semiconductor light emitting device is composed of a blue light emitting diode, a red light emitting layer grown epitaxially on the blue light emitting diode, and an insulating material containing a YAG fluorescent material. The red light emitting layer is made of, e.g., undoped In0.4Ga0.6N having...http://www.google.com.au/patents/US20090261372?utm_source=gb-gplus-sharePatent US20090261372 - SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD FOR FABRICATING THE SAME
