Patent ID: 8342711

Claim:
A light-emitting unit adapter module, comprising: a mounting base, said mounting base having an accommodation chamber defined therein, a center opening cut through a bottom wall of said accommodation chamber, a plurality of locating holes cut through the bottom wall of said accommodation chamber and equiangularly spaced around the center opening of said mounting base and a connection portion extending around the periphery of said accommodation chamber; a circuit board accommodated in said accommodation chamber inside said mounting base, said circuit board having a center opening corresponding to the center opening of said mounting base and a plurality of electrode pins electrically connectable to an external power source; a light-emitting unit mountable in said accommodation chamber of said mounting base, said light-emitting unit comprising a holder member insertable into said accommodation chamber of said mounting base, said holder member having a holding chamber defined therein and a center opening cut through a bottom side thereof in communication with said holding chamber, a circuit substrate accommodated in said holding chamber of said holder member, a plurality of light-emitting devices mounted on said circuit substrate, a plurality of electrodes mounted in said circuit substrate and electrically connected with said light-emitting devices and electrically connectable to said electrode pins of said circuit board upon insertion of said light-emitting unit into said accommodation chamber of said mounting base, a packing lens molded on said circuit substrate over said light-emitting devices, and a flat heat sink fixedly provided at a bottom side of said circuit substrate and extending through the center opening of said holder member for insertion through the center opening of said mounting base to the outside of said mounting base upon insertion of said light-emitting module into said accommodation chamber of said mounting base.