| 摘要 |
PURPOSE: A down lighting LED cooling fin is provided to improve heat dissipation performance by forming a plurality of heat radiation fins and an air flowing hole in the upper part of a cover plate. CONSTITUTION: A cooling fin(10) comprises a flange part, a side plate, a cover plate, and a plurality of heat radiation fins(20). The flange part is attached to a ceiling. A plurality of air flowing holes are formed in the side plate. The cover plate closes the bottom part of the side plate. A plurality of heat radiation fins are formed in the lower-part of the cover plate. An LED board(30) is attached under the cooling fin. A lamp cover(40) surrounds the LED board and the cooling fin. |
