Patent ID: 11920071
Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC C  F  G  Y | IPC C  F  G

Claim 6:
7. A luminophore mixture comprising:
a luminophore having the general empirical formula XA3AlO4:E that crystallizes in a triclinic crystal system,
wherein:
X is selected from the group consisting of Mg, Ca, Sr, Ba, and combinations thereof;
A is selected from the group consisting of Li, Na, K, Rb, Cs, and combinations thereof; and
E is selected from the group consisting of Eu, Ce, Yb, Mn, and combinations thereof; and

a luminophore having the general empirical formula X′1−xA′y (Al1+zA′3−z)O4:E′ that crystallizes in a tetragonal crystal system,
wherein:
X′ is selected from the group consisting of Mg, Ca, Sr, Ba, and combinations thereof;
A′ is selected from the group consisting of Li, Na, K, Rb, Cs, and combinations thereof;
E′ is selected from the group consisting of Eu, Ce, Yb, Mn, and combinations thereof;
0<x<0.2;
y≤x; and
z=0.5(2x−y).