| 发明名称 |
LUMINESCENT SCREEN |
| 摘要 |
<p>Luminescent rare earth borate according to the formula La1-x-y-zGdxA'yA"zB3O6 wherein A' represents at least one of the activator elements bismuth and cerium and A" at least one of the activator elements terbium and dysprosium and wherein x+y+z ? 1 0 ? x ? 1 0.001 ? y ? 0.80 0 ? z ? 0.60. These luminescent borates are used in luminescent screens, particularly in such screens for low-pressure mercury vapour discharge lamps.</p> |
| 申请公布号 |
CA1102105(A) |
申请公布日期 |
1981.06.02 |
| 申请号 |
CA19770282219 |
申请日期 |
1977.07.07 |
| 申请人 |
N.V. PHILIPS'GLOEILAMPENFABRIEKEN |
发明人 |
KONIJNENDIJK, WILLEM L.;VAN DE SPIJKER, WILLEBRORDUS H.M.M. |
| 分类号 |
H01J61/44;C09K11/08;C09K11/77;C09K11/78;(IPC1-7):09K11/28;09K11/46 |
主分类号 |
H01J61/44 |
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