| 摘要 |
An exhaust pipe being applied in a flat lamp is disclosed, which is comprised of an inner tube and an outer tube and is being arranged at a side of the flat lamp for pumping/exhausting gas therein/therefrom. The inner tube is fitted to a side of the flat lamp while enabling the same to be in communication with the discharge space of the flat lamp; and the outer tube, which is further in communication with the inner tube, is connected to a pumping/exhausting device. After performing a pumping/exhausting process upon the flat lamp by way of the exhaust pipe attached thereto, the exhaust pipe is fused to seal the flat lamp. Moreover, the residue of the fused exhaust pipe attached on the flat lamp will not cause the thickness of the flat lamp to increase, and the exhaust pipe of the invention will help to increase the mechanism strength at the joint of the exhaust pipe and the flat lamp.
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