| 简介 |
A low-pressure vapor discharge lamp has a radiation-transmitting discharge vessel ( 1 ) enclosing, in a gastight manner, a discharge space ( 3 ) provided with a gas filling. The gas filling is substantially free of mercury and comprises an indium compound and a buffer gas. The discharge vessel ( 1 ) comprises discharge means ( 2 ) for maintaining a gas discharge in the discharge space ( 3 ). The discharge vessel ( 1 ) is provided with a luminescent layer ( 4 ). The luminescent layer ( 4 ) comprises a luminescent material based on a nitridosilicate or on an oxonitridosilicate. Preferably, the luminescent material comprises rare-earth emitters. Preferably, the luminescent material comprises europium, cerium, or ytterbium emitters. |
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