| abstract |
The present invention relates to a layer sequence (1) having an active region for emitting a primary electromagnetic wave, and an optoelectronic element arranged in the beam path of the primary electromagnetic wave and comprising a conversion material at least partially converting the primary electromagnetic wave into a secondary electromagnetic wave. The conversion material is a first material having the general composition A 3 B 5 O 12 (wherein A is selected from the group comprising Y, Lu, Gd and Ce and combinations thereof, and B comprises a combination of Al and Ga) Luminescent material (6-1); And a group comprising M 1 AlSiN 3 .Si 2 N 2 O, M 3 AlSiN 3 , M 4 -Al-Si-N, M 5 -Al-Si-N and M 2 Si 5 N 8 , M is Ca, Sr, Ba, and comprises a combination of Eu and, M 1 is selected from the group consisting of Sr, Ca, Mg, Li, Eu, and combinations thereof, M 3 is Sr, Ca, Mg, Li, Eu and a combination thereof, M 4 includes at least Ca, and M 5 includes at least Ca or Ba or Sr). |