Anisotropic light emission from aligned luminophoresPaul P.C. Verbunt, Ties M. de Jong, Dick K.G. de Boer, Dirk J. Broer and Michael G. DebijeEur. Phys. J. Appl. Phys., 67 1 (2014) 10201DOI: https://doi.org/10.1051/epjap/2014140120