The LED light fixture radiator is a thermal structure composed of the base of the LED heat sink and several fins. Unlike a single fin, its heat dissipation unit consists of adjacent fins and the base forming U-shaped or V-shaped channels, hence, the spacing between fins and the number of fins on the heat sink must be considered for their impact on thermal performance.
The continuous increase in chip input power has raised higher requirements for the packaging technology of these power LEDs.
Now, heat dissipation has become a critical factor limiting the development of high-power LEDs. Particularly for applications in automotive headlights, the LED's heat dissipation environment is further compromised by the structural design constraints that must comply with vehicle aesthetics, necessitating special consideration for the heat dissipation issues of LED lighting.
Aluminum finned heat sinks are a common method for LED heat dissipation, using aluminum finned heat sinks as part of the casing to increase the heat dissipation area.
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