| 摘要 |
PROBLEM TO BE SOLVED: To provide a light emission device that has an LED element as a light source and can radiate heat with high efficiency.SOLUTION: A light emission device includes a substrate 21, one or more LED (Light Emitting Diode) elements 22 mounted on the substrate 21, and a heat radiator 40 which is disposed on the opposite back surface 21b to the principal surface 21a of the substrate 21 having the one or more LED elements 22 mounted and is formed of metal paste, and the height Ta of the heat radiator 40 from the back surface 21b is smaller than the thickness Tb of the substrate 21.SELECTED DRAWING: Figure 3 |
