| 摘要 |
PROBLEM TO BE SOLVED: To provide a bulb type lighting device capable of preventing rotations of a fixing part relative to a heat radiation part.SOLUTION: A bulb type lighting device includes: a heat radiation part 4 forming a cylindrical part and having a boss part 43 which is provided protruding from an inner surface; a light source module 1 which has an LED element, is disposed at the one end side of the heat radiation part 4, and is screwed to the boss part 43; a mouthpiece part 5 provided at the other end side of the heat radiation part 4; a fixing part 8 disposed along the inner surface of the heat radiation part 4 and provided with positioning parts 82 that are positioned by the boss part 43 contacting with its outer surface; and a driving circuit part 3 disposed in the fixing part 8. |
