| 摘要 |
Provided is an LED lamp in which, even if the LED lamp is to be attached to an illumination device for a conventional straight tube fluorescent lamp having a different form, the total length is easily changed in accordance with the socket gap of an illumination device, and improvement in the ease of attachment to and detachment from the socket is adequately ensured, along with function for preventing said lamp from falling out after being attached to the socket. A pair of caps (12a, 12b) are provided on each axial-direction edge of the LED lamp (10) of one embodiment, and a main cylindrical body (11) positioned therebetween includes: a first main cylindrical body (11a) having one end connected to one cap (12a) of the pair of caps (12a, 12b); and a second main cylindrical body (11b) connected to the other end of the first main cylindrical body (11a), said second main cylindrical body having a total-length-changing mechanism capable of causing the gap between the pair of caps (12a, 12b) to be changed between a plurality of prescribed gap lengths. |
