| 发明名称 |
Luminescent alkaline earth metal silicate and low pressure mercury vapour discharge lamp comprising such a silicate |
| 摘要 |
<p>A luminescent alkaline earth metal silicate activated by trivalent europium and trivalent terbium together with monovalent lithium as a charge compensator according to the formula:
(Mg <Sub>1-x</Sub>Ca<Sub>x</Sub>)<Sub>p</Sub>SiO<Sub>4</Sub>:Eu +3 Tb<Sub>z</Sub> +<Sup>3</Sup>Li<Sub>y</Sub>+ <Sup>+</Sup>Z wherein 0≦ x ≦ 0.9 0.001≦ y ≦ 0.20 0.01≦ z ≦ 0.32 1.9≦ p+2y+2z≦2.</p><p>A low pressure mercury vapour discharge lamp provided with such a luminescent silicate (15) is shown.</p> |
| 申请公布号 |
EP0200279(A2) |
申请公布日期 |
1986.12.10 |
| 申请号 |
EP86200739.0 |
申请日期 |
1986.04.29 |
| 申请人 |
NORTH AMERICAN PHILIPS CORPORATION |
发明人 |
MC ALLISTER, WILLIAM A. |
| 分类号 |
(IPC1-7):C09K11/55;C09K11/59;C09K11/79;H01J61/44 |
主分类号 |
(IPC1-7):C09K11/55 |
| 代理机构 |
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| 地址 |
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