What is led heat sink

Light emitting diodes (LED) are popular lighting choices in computers, most often in indicator lights and monitors. LEDs are known for their efficient lighting; they generate light with minimal energy use. Despite this efficiency, however, LEDs are also known to produce heat that can potentially damage the device. An LED heatsink is any substance or device that can counteract the harmful effects of this heat, either by cooling the LED or by diverting the heat generated. The use of a heatsink can dramatically reduce heat, even in high-powered LEDs.

An LED heatsink can work in either of two ways: as a passive heatsink or as an active heatsink. A passive LED heatsink, when attached to an LED mechanism, diverts much of the generated heat away from the LED and into itself. To this end, most LED heatsink devices in the market are made of conductive metal. Some researchers, however, experiment with gels and other substances for use as heatsinks.

In the same fashion, an active LED heatsink also draws heat away from the LED. The addition of a fan further increases the heatsink's cooling capabilities, making active heatsinks a popular choice among computer owners. Although an active LED heatsink does provide stronger cooling, the power needed to run the fan diminishes the energy efficiency of the LED. Active LED heatsinks are also less effective without an adequate amount of ventilation holes in the computer's frame.

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