| 摘要 |
A luminescent screen comprising a luminescent metaborate provided on a support and having a composition defined by the formula (Y, La)1-x-y-zCexGdyTbz(Mg, Zn)1-pMnpB5O10, wherein, if y=z=p=0, it holds that 0.01</=x</=1.0, if z=p=0, it holds that 0.01</=x</=1-y 0.02</=y</=0.80, if p=0, it holds that 0.01</=x</=1-y-z 0 </=y</=0.98 y+z</=0.99 0.01</=z</=0.75, if z=0, it holds that 0.01</=z</=1-y 0</=y</=0.99 0.01</=p</=0.30, and if both p NOTEQUAL 0 and z NOTEQUAL 0, it holds that 0.01</=x</=1-y-z 0</=y</=0.98 0.01</=z</=0.75 y+z</=0.99 0.01</=p</=0.30.
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