发明名称 |
Fluorescent lamp with layer of plural phosphors having different particle sizes |
摘要 |
A flourescent lamp, having a vacuum tight radiation transmitting envelope comprising mercury and rare gas, provided with electrodes between which the discharge takes place during operation and a luminescent layer which comprises a mixture of phosphors having different densities wherein the greater the density of the phosphor, the smaller its particle size.
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申请公布号 |
US4447756(A) |
申请公布日期 |
1984.05.08 |
申请号 |
US19810246254 |
申请日期 |
1981.03.23 |
申请人 |
TOKYO SHIBAURA DENKI KABUSHIKI KAISHA |
发明人 |
KOHMOTO, KOHTARO;EBARA, HIROYUKI;NIRA, HISAMI |
分类号 |
H01J61/42;H01J61/44;H01J61/48;(IPC1-7):H01J61/44 |
主分类号 |
H01J61/42 |
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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