| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lighting device capable of efficiently having a heat radiation effect when wood is used for a base material. <P>SOLUTION: The lighting device includes a wooden base material 30 having a recessed section at least at a part of the base material, a light source section 10 arranged in the recessed section and irradiating light, and a metallic heat radiation member 20 having the light source section at an upper surface and radiating heat generated from the light source section 10 and having an area wider than that of the light source section 10. Heat generated from the light source section can be efficiently transmitted to the heat radiation member since the light source section is arranged in this way by adopting such the structure while the metallic heat radiation member is arranged on a lower surface of the recessed section of the base member made of wood, and the heat staying in the light source section can be reduced. <P>COPYRIGHT: (C)2013,JPO&INPIT |
