IMPROVED HIT SINK AND LED LIGHTING DEVICE USING THE SAME

摘要

The present invention is to provide an improved hit sink with heat dissipation efficiency which is improved by forming the length of the outer path and the inner path of the heat sink to be distinct and by increasing the flow of air according to a pressure difference when the air is convected, and an LED lighting device using the same. Therefore, the present invention comprises: a base; and a plurality of radiating fins which are extended from the base by a predetermined length, wherein the radiating fins are configured to form the length of the outer surface to be arranged in the inner direction and the length of an inner surface to be arranged in the outward direction to be distinct. Accordingly, the present invention can enhance the heat dissipation efficiency by forming the length of the outer path and the inner path of the heat sink to be distinct and by increasing the flow of air according to the pressure difference when the air is convected.