Why do LED lights in the home get dimmer with more use?

It is a very common phenomenon that LED lights become dimmer as they are used. In addition to light decay, the reasons for dimming LED lights are nothing more than the following two points.

1. The drive is damaged

LED lamp beads are required to work at low DC voltage (below 20V), but our usual mains is AC high voltage (AC 220V). To turn the mains into the electricity required by the lamp beads, a device is needed, called “LED drive power“.

Theoretically speaking, as long as the parameters of the driver match the lamp bead board, the power supply can be continuously supplied and used normally. The inside of the driver is more complicated, and the failure of any device may cause the output voltage to change , which in turn causes the lamp to dim.

2. LED burns

The LED burns one out every now and then, probably by coincidence. If it burns frequently, you need to consider the driver problem – another manifestation of driver failure is to burn the lamp bead.

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