| 发明名称 |
RARE EARTH OXIDE PHOSPHOR HAVING A CONTROLLED DECAY TIME |
| 摘要 |
A cathodoluminescent phosphor composition with a controlled decay time is disclosed wherein the phosphor consists of a matrix of Y2O3 contaminated with dysprosium, and a dopant of europium and a predetermined amount of at least one of terbium and praeseodymium. A process for controlling the decay time is also disclosed.
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| 申请公布号 |
US3639932(A) |
申请公布日期 |
1972.02.08 |
| 申请号 |
USD3639932 |
申请日期 |
1970.11.13 |
| 申请人 |
SYLVANIA ELECTRIC PRODUCTS INC. |
发明人 |
JOHN L. FERRI;JAMES E. MATHERS |
| 分类号 |
C09K11/77;C09K11/78;(IPC1-7):C09K1/10 |
主分类号 |
C09K11/77 |
| 代理机构 |
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代理人 |
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