| 发明名称 |
Luminescent lead-activated alkaline earth metal rare earth metal borates and mercury vapor discharge lamp containing the same |
| 摘要 |
Luminescent lead-activated alkaline earth metal rare earth metal borates having compositions defined by the formula Me1-pPbpLa1-x-yYxGdyBO4, where Me represents strontium and/or calcium, where 0.005 </=p</=0.30 and 0</=x</=0.1, and where O</=y</=0.5 when at least 75 mole% of Me is Ca and O</=y</=0.1 when less than 75 mole% of Me is Ca. The borate may be used in the luminescent screen of low-pressure mercury vapor discharge lamps.
|
| 申请公布号 |
US4233538(A) |
申请公布日期 |
1980.11.11 |
| 申请号 |
US19790031244 |
申请日期 |
1979.04.18 |
| 申请人 |
U.S. PHILIPS CORPORATION |
发明人 |
VAN DE SPIJKER, WILLEBRORDUS H. M. M.;KONIJNENDIJK, WILLEM L. |
| 分类号 |
C09K11/08;C09K11/77;H01J61/44;(IPC1-7):C09K11/46 |
主分类号 |
C09K11/08 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
