| 摘要 |
PROBLEM TO BE SOLVED: To properly change the luminous intensity distributing characteristic by providing a light shade plate around the tube axis of a fluorescent lamp and fixed in an optional phase thereof. SOLUTION: This luminaire is provided with a light shade plate 6 around the tube axis of a fluorescent lamp 5 and fixed in an optional phase. The light shade plate 6 has a light shade plate side plate 7, and a bolt, a nut and a washer are arranged between a body side plate 2 and the light shade plate side plate 7 to constitute a turnable mechanism. When the light shade plate 6 is turned by a hand and stopped in a proper position, it is stabilized there. The light shade plate 6 has the shade range of 90 deg. and performs a balance lighting for vertically distributing light along a wall surface 13. A cope lighting of upward light distribution can be performed by turning the light shade plate 6 clockwise 45 deg., and a cornice lighting of downward light distribution can be also performed by turning the light shade plate 6 counterclockwise 45 deg.. Accordingly, various indirect lightings can be easily realized with one apparatus. This luminaire is also inexpensive and highly convenient. |
