| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lamp for enabling a user to easily replace only faulty one of a solid light emitting element or a lighting circuit, when the lamp fails in lighting. <P>SOLUTION: This lamp 100 has the solid light emitting element 112 as a light source, the lighting circuit 210 for turning on the solid light emitting element 112, a detecting means 220 for detecting failure of the lighting circuit 210, and an indicator 170 for notifying the failure of the lighting circuit 210 based on a detection result, and is characterized in that a light source unit 101 including at least the solid light emitting element 112 is freely attached-detached to a circuit unit 102 including at least the lighting circuit 210, and in installation operation, a first power supply terminal 144 on the circuit unit side is electrically connected to a first power receiving terminal 154 on the light source unit side, and a second power supply terminal 146 on the circuit unit side is electrically connected to a second power receiving terminal 157 on the light source unit side. <P>COPYRIGHT: (C)2010,JPO&INPIT |
