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High power LED lamp with heat dissipation enhancement

Image Number 14 for United States Patent #7997750.

A high power LED lamp comprises a container having a cavity to fill with a liquid, a light source module for providing a high power LED source light to penetrate through the liquid, and an axial thermal conductor having a first portion nearby the light source module and a second portion extending in the liquid along an axial direction of the cavity to far away from the light source module to evenly transfer heat from the light source module through the liquid to the container.

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