Round Down Light Led SMD Downlight

Led SMD Downlight is a kind of luminaire embedded in the ceiling and emitting light. The core part of the SMD Cool White Downlight is the wafer, which is composed of P-type semiconductor and N-type semiconductor. There is a junction layer between P-type semiconductor and N-type semiconductor, called PN junction. In some PN junctions of semiconductor materials, the injected minority carriers and majority carriers release excess energy in the form of light, thereby directly converting electrical energy into light energy. Reverse voltage is applied to the PN junction, and minority carriers are difficult to inject, so they do not emit light. This type of diode manufactured according to the principle of injection electroluminescence is called a light-emitting diode, usually called an LED. When in a forward working state (that is, a forward voltage is applied at both ends), when current flows from the anode to the cathode of the LED, the semiconductor crystal will emit different colors of light from ultraviolet to infrared. he light intensity of the Downlight Led Slim depends on the current.

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