| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lamp device having a cylindrical body improving temperature decrease of a light-emitting element, and to provide an illumination fixture equipped with the lamp device. <P>SOLUTION: The lamp device 1 includes a base plate 2 equipped with a light-emitting element 6, a heat conductor 3 with the base plate 2 fitted on an inner face of one end side 3a, a radiating means 4 fitted on the other end side 3b of the heat conductor 3, a cylindrical body 5 of which the one end side 5a is not in contact with the base plate 2 and the heat conductor 3 and the other end side 5b are fixed with the other end side 3b of the heat conductor 3, a cover 11 with a base 13 on one end side 12a, and a lighting circuit 7 for lighting up the light-emitting element 8. <P>COPYRIGHT: (C)2010,JPO&INPIT |
