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How does LED to dimming?
How does LED to dimming?
2019-09-04
As a constant current source, LED lamps can be dimmed naturally. The current flowing through the LEDs beads determines the light  output, and their brightness can be adjusted very easily by adjusting the current through the layer of semiconductor material attached to the substrate.

Dimming ways are divided into two types: one is constant voltage dimming, and the other is constant current dimming. Voltage dimming is adjusting the input voltage of the light source to adjust the brightness. However, this dimming method is not particularly reliable in the energy-saving lamp dimming system, but it is effective in LED and incandescent lamps. Current dimming is  adjust the current through the light source to achieve dimming. This is a very suitable way for LED dimming. PWM output is generally used in LED dimming.
Any LED device require led drivers for dimming. Because LED dimming systems are low voltage DC sources, LEDs require an electronic driver to convert AC into a usable and adjustable DC current.
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