| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a compact and lightweight LED lighting lamp capable of attaining life extension of an LED and a lighting device as well as improvement in light-emitting efficiency of the former by efficiently cooling them both. <P>SOLUTION: In the LED lighting lamp 1 formed by housing an LED board 10 for mounting the LEDs 9, the lighting device 11 for driving the LEDs 9, and a reflector (or a lens) 4 for controlling light distribution of light emitted from the LEDs 9 in a space formed by a case 2 and an outer lens 3 covering an opening at one end of the case, a ventilation passage 5 partitioned with the reflector (or the lens) 4 is formed on the case 2, the LED board 10, the lighting device 11 and a centrifugal fan 13 are arranged in the ventilation passage 5, and the ventilation passage 5 is communicated with the air via air intake ports 7 and exhaust ports 6 formed on the outer lens 3. <P>COPYRIGHT: (C)2013,JPO&INPIT |
