| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a light emitting diode lamp which achieves high heat radiation efficiency. <P>SOLUTION: A light emitting diode lamp according to this invention includes: a lamp holder; a radiator which includes a substrate having an upper surface and a bottom surface which are installed facing each other in the lamp holder, a cylindrical body extending from the bottom surface of the substrate in the direction of the lamp holder and connected and fixed to the lamp holder; and multiple heat radiation fins protruding from an outer peripheral surface of the cylindrical body and extending along the outer peripheral surface; and a light emitting diode adhered to the bottom surface of the substrate. A heat radiation hole, penetrating through the upper surface and the bottom surface of the substrate, is provided on the substrate. <P>COPYRIGHT: (C)2013,JPO&INPIT |
