| 摘要 |
<p>The invention relates to phosphors of the formula (I) (Ln1-a-bGdaSmb)wMgxSry(Al1-cBc)zO(3/2w+x+y+3/2z) (I) where Ln=Y, La and/or Lu a, c=0.0 to 1.0 0<b <0.2 and a+b<1.0 w=1.0 to 3.0 x, y=1.0 to 2.0 and z>0.0 to 12.0, and to a process for the preparation of these phosphors and to the use thereof as conversion phosphors for conversion of the near-UV emission from an LED.</p> |
