Bulb-shaped illumination light source

Heat dissipation properties than the conventional good, providing the applied bulb-shaped lighting source to light-emitting element. Illumination light source 1, a heat sink member 11, a mounting substrate 21 which is placed in surface contact with the surface of the heat sink member 11, and the light emitting portion 24 disposed on the surface of the mounting substrate 21, the light emission of the light emitting portion 24 includes a globe 41 which covers the direction and a heat sink member 31 having a second portion in surface contact with the first portion and the heat sink member 11 in surface contact with the peripheral edge 28 of the light emitting unit 24 is not mounted on the surface of the mounting board 21 .