The present invention provides new and useful methods for preparing rare-earth oxysulfide phosphors. Advantageously, in accordance with the methods of the subject invention, rare-earth oxysulfide phosphors can be prepared with lower reaction temperatures and fewer processing steps than methods currently...http://www.google.com.au/patents/US6843938?utm_source=gb-gplus-sharePatent US6843938 - Methods for preparing rare-earth oxysulfide phosphors, and resulting materials