| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an illumination device in which current amount flowing in an LED is increased and light output can be improved without large-sizing the fixture main body for heat radiation by making a structure to promote heat radiation property of a fixture cabinet. <P>SOLUTION: This illumination fixture is equipped with an LED mounting heat radiation substrate 6 on which the LED 5 is mounted and which is joined at the inner face of the fixture cabinet 1 via a heat insulating means 9, a plurality of heat radiation fins 4 vertically installed at predetermined intervals on the outer surface at the bottom of the fixture cabinet 1, and a heat radiation body 7a which is joined penetrating the bottom part of the fixture cabinet 1 and which on the bottom part outer face of the fixture cabinet 1 is exposed at a position communicated with a space S formed by the neighboring two heat radiation fins 4. <P>COPYRIGHT: (C)2008,JPO&INPIT |
