| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a lighting device with small power consumption even in full operation at night, power-saving, maintenance-free, light, compact, easy to carry with a light-weight power supply part, and yet inexpensive. SOLUTION: The lighting device is provided with a power supply part 4 for an electroluminescent lamp connected detachably to a socket for commercial power supply through a plug 3, and an electroluminescent lamp 5 connected to this power supply part 4 contained in a case 6, and further, with a secondary battery 12 charged by the commercial power supply 2, from which the power supply part 12 and the electroluminescent lamp 5 can be taken off from the socket of the commercial power supply for hand-carrying.</p> |
