Patent ID: 8491143

Claim:
A lighting device comprising: light sources; a base member to which the light sources are mounted; a plurality of light guide members mounted to the base member, each of the light guide members having a light entrance surface facing at least one of the light sources such that light from the light source enters the light guide member through the light entrance surface, and each having a light exit surface through which the light exits, the light exit surface being parallel to an arrangement direction in which the light source and the light entrance surface are arranged, the light guide members being arranged in a line along the arrangement direction and overlapping one another in a direction crossing the light exit surfaces, the light guide members overlapping one another including a first light guide member and a second light guide member, the first light guide member being arranged on a base member side, and the second light guide member being arranged on an opposite side from the base member side; fixing members fixing the light guide members to the base member so as to be held in initial conditions in which the light guide members are mounted; and locking structures for restricting a relative movement of the second light guide member in a direction along the light exit surface, the locking structures being provided in the fixing member fixing the first light guide member and the second light guide member, respectively.