Patent ID: 9651483
Date: 2017-05-16
CPC Classifications: C09K,C30B,G01N,G01T,H01J

Claim:
1. A luminescent inorganic material comprising Y 3-x M x Al 5+y O 12+z , wherein 0≦x<0.03, 0.001<y<0.2 and 0<z<0.012 and M is selected from, cerium (Ce), praseodymium (Pr), neodymium (Nd), promethium (Pm), samarium (Sm), europium (Eu), gadolinium (Gd), terbium (Tb), dysprosium (Dy), holmium (Ho), erbium (Er), thulium (Tm), ytterbium (Yb), Chromium (Cr) and lutetium (Lu) or combinations thereof.