| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lamp device, and a lighting fixture using the same, with heat of a light-emitting body emitting illumination light efficiently radiated and with light extraction efficiency improved. <P>SOLUTION: The lamp device 1 is provided with a device body 4 equipped with a cylindrical chassis 16 having an opening 19 at one end side 16a and a flat-plate part 20 at the other end side 16b, a cylindrical protruded body 17 formed in protrusion outward at a center part of the flat-plate part 20, and an insertion-through part 18 formed at the flat-plate part 20 inside the protruded body 17, a light-emitting body 2 housed inside the protruded body 17 for causing emission light to be emitted from the opening 19 passing through the insertion-through part 18, a lens 3 arranged inside the device body 4 so as to be properly faced to the light-emitting body 2 for converging emission light from the light-emitting body 2 toward an opening 19 side, a lighting device 5 arranged around the insertion-through part 18 inside the flat-plate part 20 of the device body 4 for supplying power to the light-emitting body 2, and a translucent cover 6 arranged at the opening 19 of the device body 4. <P>COPYRIGHT: (C)2013,JPO&INPIT |
