Light-emitting diodes are a kind of semiconductor components. At the beginning, it was mostly used as indicator light, display light-emitting diode board, etc

If the lamp strip in the LED lamp is aged or damaged, you can only replace the lamp strip in the lamp tube without replacing the lamp shell.

LED (light emitting diode) is a solid-state semiconductor device that can convert electric energy into visible light. It can directly convert electricity into light. The heart of LED is a semiconductor wafer.