| 摘要 |
A heat dissipation unit is provided. The heat dissipation unit includes a fan, a heat sink and a light source. The heat sink includes a plurality of heat dissipating fins, a light transmitting plate, an air inlet and an air outlet, wherein the heat dissipating fins are disposed in the heat sink, and the light transmitting plate is disposed on a surface of the heat sink. The light source corresponds to the light transmitting plate, wherein the light source provides a light beam, the light beam passes the light transmitting plate and introduces into the heat sink, and introduces out the heat sink through the air outlet.
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