Patent ID: 11862759
Assignee: LUMILEDS, LLC
Field: Basic materials chemistry (Chemistry)
Classification: CPC H  C | IPC C  H

Claim 0:
1. A light emitting device comprising:
a light source; and
a luminescent material, the luminescent material, comprising:
RE3Ga5−x−yAxSiO14:Cry (RE=La, Nd, Gd, Yb, Tm; A=Al, Sc), where 0≤x≤1 and 0.005≤y≤0.1;
a host lattice crystallizing in a trigonal calcium gallogermanate structure type; and
dopants disposed in the host lattice, the dopants comprising:
trivalent chromium; and
tetravalent chromium in a concentration that is less than 1% of a total concentration of all chromium in the luminescent material.