LIGHT UNIT, LUMINAIRE AND INSPECTION METHOD

摘要

PROBLEM TO BE SOLVED: To provide a light unit having highly reliable cut-off properties.SOLUTION: A cover packing 20L-1 blocks an opening 12L of a left side end part 11L which is one end part of a translucent cover 10. An end part cover 30L-1 has an end part cover wall-shaped part 30L-1-3, a through hole 30L-1-4 which are fitting parts fitted in a part of the cover packing 20L-1, and it can mount the cover packing 20L-1 on the translucent cover 10 so as to press to the left side end part 11L of the translucent cover 10. The cover packing 20L-1 has a packing wall-shaped part 20L-1-3, a protrusion part 20L-1-4 which are fitted in the end part cover wall-shaped part 30L-1-3, the through hole 30L-1-4 respectively, which are formed by a light shielding material and which have light shielding properties.SELECTED DRAWING: Figure 45