This specification describes phosphor compositions used in fluorescent layers for scanning beam displays. In general, one aspect of the subject matter described in this specification can be embodied in a display device having a fluorescent layer that absorbs an excitation light at a single wavelength...http://www.google.com.au/patents/US20070046176?utm_source=gb-gplus-sharePatent US20070046176 - Phosphor Compositions For Scanning Beam Displays
