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    • 4. 发明公开
    • Fluorescent lamps having high CRI
    • Fluoreszente Lampen mit Hhem CRI-Wert
    • EP2600387A1
    • 2013-06-05
    • EP12193491.3
    • 2012-11-20
    • General Electric Company
    • Du, FangmingBeers, William WinderJansma, Jon Bennett
    • H01J61/44C09K11/71C09K11/72C09K11/08C09K11/77
    • C09K11/7478C09K11/7734C09K11/7777C09K11/7784H01J61/44
    • A fluorescent lamp (10) is provided including a five phosphor blend (16) comprising four rare earth phosphors, including BAMn, and a non-rare earth white halophosphate phosphor. This phosphor blend (16) provides a lamp (10) that exhibits high color rendering index (CRI), of at least about 85, i.e. at least 87, while simultaneously achieving good lumen output, or lumens per watt (LPW), of at least about 70, i.e. at least 75, at all CCTs, and particularly at lower CCT of between about 3000K and 4100K. The phosphor system provided includes a rare earth-doped red emitting phosphor, a rare earth-doped blue emitting phosphor, a rare earth-doped green-blue emitting phosphor, a rare earth-doped green emitting phosphor and a non-rare earth white halophosphate phosphor.
    • 提供一种荧光灯(10),其包括包含四种稀土荧光体(包括BAMn)和非稀土类白色卤代磷酸盐荧光体的五种荧光体共混物(16)。 该荧光粉混合物(16)提供显示高显色指数(CRI)的灯(10),至少约85,即至少87,同时实现良好的流明输出或每瓦特流明(LPW) 至少约70,即至少75,在所有CCT,特别是在较低的CCT在约3000K和4100K之间。 提供的荧光体系包括稀土掺杂的红色发光荧光体,稀土掺杂的蓝色发光荧光体,稀土掺杂绿色蓝色荧光体,稀土掺杂的绿色发光荧光体和非稀土类白色卤代磷酸盐 磷。