| 摘要 |
A hot-cathode fluorescent lamp has an arc tube on whose inside surface a phosphor film is formed, and in both ends of which stems are formed, and has bases having tube pins connected to an external power supply and fixed to both end portions of the above-mentioned arc tube. The hot-cathode fluorescent lamp is equipped with pairs of metal lead wires which are provided in both ends of the arc tube, one ends of which are connected to tube pins, and the other ends of which are extended inside the arc tube through the stem, a filament both ends of which are connected to the other ends of respective lead wires, and a screening member which has a ring portion surrounding the filament and which has a bottom face plate provided in a side of the ring portion which side opposites to the stem so as to screen the stem from the filament.
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