| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a bulb type lighting device capable of preventing rotation of a fixing part against a housing part. <P>SOLUTION: The bulb type lighting device comprises a light source module 1, a driving circuit part 3 which drives the light source module 1 and is mounted with heat generation components 31a, 31a, 31a, ..., such as an IC, a heat radiation part 4 having a housing part 45 for housing the driving circuit part 3, and a fixing part 8 which fixes the driving circuit part 3 to the housing part 45. The heat radiation part 4 has boss parts (43, 43, 43) having screw holes (43a, 43a, 43a) provided at the light source side peripheral edge of the housing part 45, and the fixing part 8 has positioning parts 82, 82, 82 for positioning opposed to the boss parts (43, 43, 43). <P>COPYRIGHT: (C)2012,JPO&INPIT |
