MAGNESIUM ALUMOSILICATE-BASED PHOSPHOR

摘要

The invention relates to co-activated magnesium alumosilicate based phosphors, to a process of its preparation, the use of these phosphors in electronic and electro optical devices, such as light emitting diodes (LEDs) and solar cells and especially to illumination units comprising said magnesium alumosilicate-based phosphors.

主权项

1. Compound of formula I,
(M)(Mg1-z,Alz)(Si2-z,Tz)O6:A,B,C  I wherein M denotes at least one alkaline earth element selected from Ca, Sr, or Ba, T denotes at least one trivalent element selected from Al, Ga, In, or Sc, A and B denote differently from each other, a divalent element selected from Pb2+, Mn2+, Yb2+, Sm2+, Eu2+, Dy2+, or Ho2+, and C denotes a trivalent element selected from Y3+, La3+, Ce3+, Pr3+, Nd3+, Pm3+, Sm3+, Eu3+, Gd3+, Tb3+, Dy3+, Ho3+, Er3+, Tm3+, Yb3+, Lu3+, or Bi3+, with the proviso that at least two elements selected from A, B or C have to be present, and 0