| 摘要 |
PROBLEM TO BE SOLVED: To downsize a lighting device, such as a guide lamp, which is attached to a ceiling plane or a wall surface in a room and causes a display panel to emit light, and to improve the work efficiency of attachment etc.SOLUTION: A body frame 111 includes: an outer frame part 200 which is a substantially rectangular parallelepiped shape having a hollow space and opens on a substantially entire front surface; a second horizontal part 304 provided in the outer frame part 200, the second horizontal part 304 on which a battery used for accumulating electric power for lighting a light source and provided with an engagement recessed part is placed. The second horizontal part 304 includes a battery support part 371 protruding from a surface on which the battery is placed. The battery support part 371 is engaged with the engagement recessed part of the battery. |
