发明名称 |
Electric lamp having a coloured lamp vessel. |
摘要 |
<p>An electric lamp having an electrostatically applied powder layer (2) on the wall of the lamp vessel (1) according to the invention contains MgO as an addition to this powder layer. The addition prevents discolouring of Cd-containing pigments in the powder layer and in the case of incandescent lamps results in lengthening of the life.</p> |
申请公布号 |
EP0192290(A1) |
申请公布日期 |
1986.08.27 |
申请号 |
EP19860200141 |
申请日期 |
1986.02.03 |
申请人 |
N.V. PHILIPS' GLOEILAMPENFABRIEKEN |
发明人 |
PROZEE, CHRISTIAAN |
分类号 |
H01J61/40;H01K1/32;(IPC1-7):H01K1/32 |
主分类号 |
H01J61/40 |
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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