Luminophore and lighting system having such a luminophore
View Patent ↗A luminophore consisting of the BAM system as a host lattice, having the stoichiometry M x Eu 1−x Mg 1−y+d Mn y Al 10+2f O 17+d+3f , is provided, wherein 0.2≦x≦0.48; 0≦y≦0.3; 0≦d≦0.1; −0.1≦f≦1.0.
1. A lighting system, comprising:
a light source; and
at least one luminophore placed in front of it for at least partial conversion of the light source's radiation into longer-wave radiation,
wherein the light source is configured to emit primary radiation with a peak wavelength in the range of from 300 to 420 nm; and
wherein a luminophore used for the conversion is a mixture of an aluminate of the BAM host lattice type and a low Ba-aluminate, the mixture having the stoichiometry M x Eu 1−x Mg 1−y+d Mn y Al 10+2f O 17+d+3f , wherein
0.2≦x≦0.48;
0≦y≦0.3;
0≦d≦0.1;
0.1≦f≦1.0;
and wherein M is at least one of the group consisting of Ba, Sr and Ca.
2. The lighting system as claimed in claim 1 , wherein the light source is an LED.
3. The lighting system as claimed in claim 1 , wherein the light source is a discharge lamp.
4. The lighting system as claimed in claim 1 , wherein the light source is a lighting module having an LED.
5. The lighting system as claimed in claim 1 ,
wherein 035≦x≦0.45;
wherein 0≦y≦0.2.
6. The lighting system as claimed in claim 2 ,
wherein the light source is an LED based on InGaN.
7. The lighting system as claimed in claim 3 ,
wherein the light source is a discharge lamp based on mercury.
8. The lighting system as claimed in claim 4 ,
wherein the light source is a lighting module having an LED based on InGaN.
9. The lighting system as claimed in claim 1 , wherein M is represented by Ba z (Ca,Sr) 1−z and wherein z≧0.7.