A luminescent material comprising a strontium aluminate matrix, characterized in that , the material further comprises at least one alkaline earth metal, at least one alkali metal and at least one further element selected from the group consisting of - a halogen, preferably chlorine, wherein the molar ratio between the total of halogens and oxygen is between 0.00001 and 0.05, preferably between 0.00005 and 0.01, even more preferably between 0.00025 and 0.005; - magnesium, wherein the molar ratio between magnesium and aluminum is between 0.0001 and 0.03, preferably between 0.0003 and 0.02, even more preferably between 0.0005 and 0.015; - Ga, Sc, Y, Bi or any of their combinations, wherein the molar ratio between Ga, Sc, Y, Bi or any of their combinations and strontium is between 0.00001 and 0.05, preferably between 0.0001 and 0.02, even more preferably between 0.001 and 0.015; - Pb, Mn or any of their combinations, wherein the molar ratio between Pb, Mn or any of their combinations and strontium is between 0.00001 and 0.15, preferably between 0.0001 and 0.05, even more preferably between 0.001 and 0.02; such luminescent material being represented by the formula M 1 a M 2 b M 3 c M 4 d Eu g M 5 h Sr (1-a-b-c-d-g-h) Mg e Al (f-e) O (k-i) X i wherein M 1 = Li, Na, K or any of their combinations; a = 0.0001 to 0.015, preferably 0.00025 to 0.01; M 2 = Ba; b = 0.001 to 0.1, preferably 0.0025 to 0.075; M 3 = Sc, Ga, Y, Bi or any of their combinations; c = 0 or c = 0.00001 to 0.05, preferably 0.0001 to 0.03, even more preferably 0.001 to 0.02; M 4 = Mn, Pb or any of their combinations; d = 0 or d = 0.00001 to 0.05, preferably 0.0001 to 0.05, even more preferably 0.001 to 0.02; e = 0 or e = 0.0002 to 0.06, preferably 0.0006 to 0.04, even more preferably 0.001 to 0.03; f = 1.8 to 2.6; g = 0.00001 to 0.06; M 5 = Dy, Nd or any of their combinations; h = 0 or h = 0.00001 to 0.06; X = F, Cl, Br or any of their combinations; i = 0 or i = 0.00004 to 0.04, preferably 0.0002 to 0.04, even more preferably 0.001 to 0.002. - a halogen, preferably chlorine, wherein the molar ratio between the total of halogens and oxygen is between 0.00001 and 0.05, preferably between 0.00005 and 0.01, even more preferably between 0.00025 and 0.005; - magnesium, wherein the molar ratio between magnesium and aluminum is between 0.0001 and 0.03, preferably between 0.0003 and 0.02, even more preferably between 0.0005 and 0.015; - Ga, Sc, Y, Bi or any of their combinations, wherein the molar ratio between Ga, Sc, Y, Bi or any of their combinations and strontium is between 0.00001 and 0.05, preferably between 0.0001 and 0.02, even more preferably between 0.001 and 0.015; - Pb, Mn or any of their combinations, wherein the molar ratio between Pb, Mn or any of their combinations and strontium is between 0.00001 and 0.15, preferably between 0.0001 and 0.05, even more preferably between 0.001 and 0.02; M 1 = Li, Na, K or any of their combinations; a = 0.0001 to 0.015, preferably 0.00025 to 0.01; M 2 = Ba; b = 0.001 to 0.1, preferably 0.0025 to 0.075; M 3 = Sc, Ga, Y, Bi or any of their combinations; c = 0 or c = 0.00001 to 0.05, preferably 0.0001 to 0.03, even more preferably 0.001 to 0.02; M 4 = Mn, Pb or any of their combinations; d = 0 or d = 0.00001 to 0.05, preferably 0.0001 to 0.05, even more preferably 0.001 to 0.02; e = 0 or e = 0.0002 to 0.06, preferably 0.0006 to 0.04, even more preferably 0.001 to 0.03; f = 1.8 to 2.6; g = 0.00001 to 0.06; M 5 = Dy, Nd or any of their combinations; h = 0 or h = 0.00001 to 0.06; X = F, Cl, Br or any of their combinations; i = 0 or i = 0.00004 to 0.04, preferably 0.0002 to 0.04, even more preferably 0.001 to 0.002. <EOS>