| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a lighting device, having an operation display lamp, which can be equipped with a power failure lamp without increasing the cost while avoiding an increase in the number of components.SOLUTION: A device body 20 comprises: a power supply part 30; a light source part 22; a light-transmissive globe 60 covering the light source part 22; an operation display lamp 40 which indicates the light-emission state of the light source part 22; and a power storage part 32 which stores power by the power supply part 30 and is capable of supplying the power to the operation display lamp 40. When the power supplied to the power supply part 30 is stopped, the operation display lamp 40 can be turned on by the power supplied from the power storage part 32. Thus, the operation display lamp 40 turns on as a power failure lamp during a power outage. Consequently, it is possible to provide the power failure lamp without increasing the cost while avoiding an increase in the number of components.</p> |
