| 摘要 |
The present invention provides a cup-shaped heat dissipator (100) having a heat conductive rib structure (310) and a flow guide hole, in which the outer and/or inner surface of the cup-shaped heat dissipator (100) is served for accommodating the electric luminous body (200), so with the heat dissipation surface formed opposite to the cup-shaped inner recessed structure of the heat dissipator (100) and with the heat conductive rib structure (310) connecting among the inner periphery and the bottom of the cup-shaped inner recessed structure of the heat dissipator (100), the heat source zone installed with the electric luminous body (200), and the central column (103), the heat in the central heat source zone can be dissipated to the periphery through the surface of the heat conductive rib structure (310) and the surface of the heat dissipator (100). |
