SOCKET DEVICE, LAMP DEVICE AND LIGHTING DEVICE

摘要

There is provided a lighting fixture capable of efficiently radiating heat of a lamp device attached to a socket device. By attaching the lamp device to the socket device, a cap portion of the lamp device is brought into contact with. a fixture body, and pressed against and brought into close contact with the fixture body by an elastic body. Heat generated by lighting of LEDs of the lamp device is conducted from the cap portion to the fixture body and efficiently radiated.