This article is unavailable. A. Vecht, M.I. Martinez-Rubio, T.G. Ireland , J. Silver, G. Fern, and C. Gibbons, Factors affecting efficiency in submicron phosphors: implications for screens for high definition displays, LEDs Digest of Technical Papers - SID International Symposium (2000), 31, 15-17. If you wish to obtain a copy please contact the author below: George.Fern@brunel.ac.uk