Patent ID: 7771090

Claim:
An improved heat-dissipation structure, comprising: a heat-dissipation lamp frame, including a heat-dissipation structure and a plurality of heat-dissipation lamp sets, wherein said heat-dissipation structure has a plurality of heat-dissipation fins on one side thereof, and said heat-dissipation lamp sets are accommodated on the other side of said heat-dissipation structure, and an inlay slot is formed on the other side of said heat-dissipation structure and along the perimeter of said heat-dissipation lamp sets; a light guiding tube, being a hollow and tube-like structure, having an inlay rim on onside thereof, which is to be engaged with said heat-dissipation structure, and having a flange on the other side thereof; a light-permeable cover, being a light-permeable hood and having a contact plane on one side thereof, which can tightly contact said flange of said light guiding tube to implement the joints of said light guiding tube and said light-permeable cover; and a casing, being a metallic shell, having a through-hole on one side thereof to accept said heat-dissipation lamp frame, and having an opening on the other side thereof, wherein said light guiding tube passes through said opening and is inlaid into said inlay slot of said heat-dissipation lamp frame.