| 摘要 |
PURPOSE:To realize the neat surface lighting by forming a luminaire so that light sources inside of a device and an apparatus itself are not seen from the outside. CONSTITUTION:An indoor lighting device is provided with plural fluorescent lamps 12 inside thereof, and plural translucent V-shape louver pieces 14 are provided in the opposite side walls 11c of a square light source housing box 11, which has an opening part 11a, at positions close to the opening part 11a than the fluorescent lamp 12, and the lower ends 14b of the louver pieces 14 positioned in the opening part 11a side are maintained in the vertical direction with a dead weight thereof, and the upper parts 14a positioned in the top part 11b of the housing box 11 are fitted freely to turn so as to be inclined against the vertical direction. The louver pieces 14 adjacent to each other are set with a space so that the tip of any one of the upper and the lower ends of one louver piece 14 is overlapped with a folding part 14c of the other louver piece 14. |
