| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a luminaire for producing indirect light sufficiently bright and well uniform from light guide plates arranged along the outer periphery of a luminaire body. <P>SOLUTION: The luminaire includes the luminaire body 10, a fluorescent lamp 20 arranged on the lower face side of the luminaire body 10, a translucent cover 30 covering the fluorescent lamp 20, the plurality of circular arc shape light guide plates 40 arranged along the outer periphery of the luminaire body 10 via indirect light source storage parts 60, LED 70 stored in the indirect light source storage parts 60 for introducing light from the end faces of the light guide plates 40 to the inside, and dots 51 as diffused reflection mechanisms arranged on the upper faces of the light guide plates 40 so as to be denser as tending farther from the end faces the light guide plates 40 into which the light is introduced. <P>COPYRIGHT: (C)2009,JPO&INPIT |
