| 发明名称 |
Phosphors and fluorescent lamps comprising the phosphors |
| 摘要 |
A phosphor represented by the formula (1-x)CaO.xEu(O) . yMgO.nSiO2, wherein x, y and n represent number ofmoles, respectively. A fluorescent lamp comprising the above phosphor. The phosphor has stronger luminous intensity and less luminous intensity reduction after a long lighting hours. <IMAGE> |
| 申请公布号 |
EP1253181(A3) |
申请公布日期 |
2004.04.07 |
| 申请号 |
EP20020005391 |
申请日期 |
2002.03.15 |
| 申请人 |
NEC CORPORATION |
发明人 |
YOSHIDA, HISASHI;MINAMOTO, MAKI;ITO, KAZUYA;NISHIKAGE, YOSUKE |
| 分类号 |
C09K11/59;C09K11/77;C09K11/79;H01J61/44 |
主分类号 |
C09K11/59 |
| 代理机构 |
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