An illumination device includes a light source member, a flexible wired
board the light source member mounted thereon and a wiring provided
thereon, and a structure to be stuck to the wired hoard via sticking
members at a plurality of sticking surfaces, wherein one end of the
wiring provided on the wired board is electrically connected to and
terminated at the light source member, and the other end of the wiring is
provided with a connecting path to be electrically connected to the
outside, and wherein the bond strength of the plurality of sticking
surfaces is set in such a manner that the bond strength of the sticking
surface located on the one end side of the wiring is lower than that of
the sticking surface located on the other end side of the wiring.