ALUMINAT-PHOSPHOR, VERFAHREN ZUR HERSTELLUNG DESSELBEN UND DURCH VAKUUM-ULTRAVIOLETTSTRAHLUNG ANGEREGTE LICHTEMITTIERENDE VORRICHTUNG

摘要

A manganese-activated aluminate phosphor represented by the following compositional formula and a vacuum ultraviolet ray excitation type light-emitting element having this phosphor as a fluorescent layer: (1 - a) (bMO.6Al2O3).a(MMg1-cMncAl10O17) wherein M is at least one member of Ba and Sr, and a, b and c are numbers satisfying the conditions of 0.05