PROBLEM TO BE SOLVED: To provide a bathroom capable of always expressing stable antifungal, antibacterial, and sterilization effects on a ceiling surface in the bathroom.SOLUTION: In a bathroom having a bathtub, a coating layer of a visible light exciting type photocatalyst is provided on a ceiling surface 5 in the bathroom 1, a fluorescent lamp illumination device 6 is provided inside the bathroom, and visible light is irradiated to the ceiling surface from the fluorescent lamp illumination device so that the photocatalyst on the ceiling surface is excited to suppress the generation of mold and bacteria.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2016,JPO&INPIT【課題】浴室内の天井面において、常に安定した防カビ、抗菌、除菌効果の発現が可能な浴室を提供すること。【解決手段】浴槽を備えた浴室であって、浴室1内の天井面5に可視光励起型の光触媒の塗布層が設けられ、浴室の内部に蛍光灯照明装置6を備え、蛍光灯照明装置から天井面に対して可視光を照射し、天井面の光触媒を励起させ、カビ及び菌の発生を抑制する。【選択図】図1
