Patent ID: 8459846

Claim:
A heat-dissipating downlight lamp holder comprising: a bottom board having: a light exit hole centrally formed through the bottom board; and multiple air inlets formed through the bottom board and around the light exit hole; a lamp holding unit mounted on the bottom board and having: an inner tube being tubular, securely mounted on the bottom board, and having: two openings respectively formed through a top and a bottom of the inner tube; and a top edge formed around the opening in the top of the inner tube; a bottom edge formed around the opening in the bottom of the inner tube, wherein the bottom edge of the inner tube is mounted between the light exit hole and the air inlets; an inner top cover mounted on the top edge of the inner tube and having a top; and an outer top cover mounted on the top edge of the inner top cover; and a heat-dissipating unit mounted on the inner top cover and having multiple side fins securely mounted around a periphery of the inner tube.