| 摘要 |
<p>A fluorescent lamp (10), is disclosed, comprising a vacuum tight radiation transmitting envelope (12) containing mercury and rare gas, the envelope (12) being provided with electrodes (18) between which a discharge takes place during operation and a luminescent layer (16) which comprised a mixture of phosphors having different densities, the greater the density of the phosphor, the smaller its particle size. </p> |
