| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an LED lamp capable of restraining degradation of luminance due to adhesion of hand stain, reducing danger of lens damage, and easily adjusting a light distribution range. <P>SOLUTION: The LED lamp 100, provided with a light source part 102 having LED light-emitting elements, a lens 120 for projecting light emitted by the light source part 102 to an object for illumination, a reciprocating mechanism for moving the lens 120 to and from the light source part 102, is also provided with a globe 122 incorporating the lens 120 and enclosing the light source part 102. The reciprocating mechanism, directly or indirectly fixed to the light source part 102, is structured of a screw groove 112 spiralling around a light axis of the light source part 102, and a bezel 116 screwed into the screw groove 112 and fixed to the globe 122. <P>COPYRIGHT: (C)2013,JPO&INPIT |
