| 发明名称 |
Phosphor, process for the preparation thereof and a fluorescent screen having the phosphor. |
| 摘要 |
<p>A phosphor emitting a green to bluish white fluorescence has the general formula:
M3-xTbxBO6
wherein M is at least one element of La, Gd, and Y and O < x </= 2.0.
<??>These phosphors have high brightness, and in a fluorescent lamp prepared by using this phosphor, degradation of the brightness with time is very small. </p> |
| 申请公布号 |
EP0057499(A1) |
申请公布日期 |
1982.08.11 |
| 申请号 |
EP19820300070 |
申请日期 |
1982.01.07 |
| 申请人 |
HITACHI, LTD. |
发明人 |
NKANO, MASAKI;TANIMIZU, SHINKICHI |
| 分类号 |
C09K11/00;C09K11/08;C09K11/77;C09K11/78;(IPC1-7):09K11/475;01J29/20;01F17/00 |
主分类号 |
C09K11/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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