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Title: China LED Light Bulbs Market by Manufacturers, Regions (Province), Type and Application, Forecast to 2022 - PowerPoint PPT Presentation
Description: Terminal voltages of PN junctions form certain barrier potentials, and when the forward bias voltage is added, the barrier potential decreases and most charge carriers in P area and N area diffuse to each other. As the electron mobility is much higher than the holes mobility, large amount of electrons diffuse to P area, causing charge carriers entering P area. These electrons combine with the holes on the valence band with energy emission in the form of light." – PowerPoint PPT presentation
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