| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a luminaire in which an LED can be lighted even if external power supply is interrupted. <P>SOLUTION: A luminaire comprises a connection 8 to which power is supplied from a commercial power supply, or the like, a conversion circuit for converting power supplied from the connection 8, a cylindrical case 2, a support 3 dividing the case in the radial direction, a plurality of light-emitting diodes 5 provided on one side of the support 3, a drive circuit for driving the light-emitting diodes 5, a secondary battery 7a provided on the other side of the support 3, a charge/discharge control circuit of the secondary battery 7a, and a control section for lighting the light-emitting diodes 5 and charging the secondary battery 7a with the supplied power, and capable of lighting the light-emitting diodes 5 by discharge of the secondary battery 7a in a state where power supply is stopped. <P>COPYRIGHT: (C)2013,JPO&INPIT |
