| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the following problem: the whole structure of an LED light becomes large since an LED light source is required to be large in order to increase illuminance of an LED and a calorific value of the LED light source becomes large due to the enlarged light source and a heat radiation structure of an LED mounting section becomes very big. <P>SOLUTION: In the LED light, an LED light source module with a wide light-distribution angle of 90° or more is formed by mounting a plurality of LED chips assembled with lenses. A reflector having a shape of a polygonal pyramid trapezoid, wherein an inner surface of the polygonal pyramid trapezoid becomes a polyhedron with specular surfaces and the height of the polygonal pyramid trapezoid is longer than a difference between the length (diameter) at a lower side (narrow opening side) of the polygonal pyramid trapezoid and the length (diameter) at an upper side (wide opening side) of the polygonal pyramid trapezoid, is formed, and the LED light source module is arranged at a location where the whole light of the LED light source module can be reflected to a lower end root section of respective surfaces of the specular surfaces of the reflector. <P>COPYRIGHT: (C)2013,JPO&INPIT |
