| 摘要 |
PROBLEM TO BE SOLVED: To attain an LED lighting capable of preventing ununiformity of temperature distribution in a substrate in a case where exothermic heat of a drive circuit part is conducted to the substrate mounting an LED.SOLUTION: An annular LED lighting 10 includes an annular LED substrate 16 where a plurality of LEDs 18 is arranged on the surface, a drive circuit part 24 that performs lighting drive to the LEDs 18; and is configured by covering the LED substrate 16 with a translucent front face cover 12. In the LED lighting, is provided an annular heat diffusion member 28 arranged by closely contacting with the rear face of the LED substrate 16 and comprising carbon graphite, and is provided a heat radiation member 20 arranged by closely contacting with the heat diffusion member 28 and the LED substrate 16. |
