| 摘要 |
PROBLEM TO BE SOLVED: To provide a lighting window in which condensate can be discharged to the outside and trouble in which condensate moistens an indoor section can be prevented. SOLUTION: In the lighting window, a peripheral window frame 3 is arranged to the periphery of a glass section 2 while the periphery of the glass section 2 and the underside of the peripheral widow frame 3 are placed on a supporting frame 1 and the glass section 2 and the peripheral window frame 3 are unified with the supporting frame 1. A water channel 9 communicating the underside of the glass section 2 and the outside is formed among the supporting frame 1, the glass section 2 and the peripheral window frame 3 on at least the underwater side at this point, and condensate W1 can be discharged to the outside.
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