| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a light-emitting device which has a semiconductor light-emitting element as a light source, and a heat dissipation plate hardly accumulating moisture and dust or the like, and to provide a lighting fixture equipped with the light-emitting device. <P>SOLUTION: The light-emitting device 1 includes: a light-emitting body 2 having the semiconductor light-emitting element 8; an outer container 3 which has a large diameter part 13 on one end side 3a larger than a diameter at the another end side 3b, has the light-emitting body 2 installed in this large diameter part 13, and has a base 40 on the another end side 3b; a lighting device 4 which is put in the outer container 3 and operates by being supplied with power through the base 40, and lights the semiconductor light-emitting element 8; and heat radiation plates 5 which is installed on the outer surface 3d of the outer container 3 so that a circumferential groove 52 is formed along the outer circumference of the outer container 3. <P>COPYRIGHT: (C)2012,JPO&INPIT |
