LIGHTING FIXTURE

摘要

PROBLEM TO BE SOLVED: To provide a lighting fixture which can efficiently distribute light in a narrow angle range to increase the emission light quantity. SOLUTION: The exiting part 2 for light of a cylindrical light guide 1 is provided with reflection members 3 along the axial direction of the light guide 1. The direction of the exiting light from the exiting part 2 can be controlled into a small angle range by the reflecting members 3 so that the light can be distributed in a small angle range without decreasing the efficiency. A louver, a sheet-type louver or a microprism sheet can be used besides the reflection member 3. Or, the aperture of the exiting part 2 may be increased.