| 摘要 |
<p>A fluorescent discharge tube according to the present invention has a structure to mount and fix a glass tube (12) with an inner side (13) coated with fluorescent materials (14) on a pair of brackets (22) mounting an electrode and to movably install three reflection plates (11,11a,11b) along the circumference of the bracket (22) on the outside of the upper side of the glass tube (12) especially as illustrated in figure 2. The fluorescent discharge tube according to the present invention does not need a reflection plate which is relatively expensive and is buried on a ceiling and properly controls light reflected from the fluorescent discharge tube according to the intention of a user.</p> |
