A self-ballasted electrodeless discharge lamp of the invention is provided
with a discharge vessel filled with discharge gas, the discharge vessel
having a cavity portion, a coil inserted into the cavity portion of the
discharge vessel, a ballast circuit for supplying high frequency power to
the coil, and a lamp base that is electrically connected to the ballast
circuit, wherein the discharge vessel, the coil, the ballast circuit, and
the lamp base are configured as a single unit, and a reflective tape for
reflecting light that is radiated from the discharge gas and emitted from
inside the discharge vessel to its cavity portion side is wound around the
coil.
