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The Light-emitting Principle Of T8 Tube Light

T8 Tube Light-News Cover

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The T8LED tube uses CREE and AOD ultra-bright LED white light as the light source,T8 tube light and the shell is acrylic/aluminum alloy (customer defined). The outer cover can be made of PC tube,T8 tube light with a high temperature resistance of 135 degrees. The traditional fluorescent tube is also called a fluorescent lamp. There is a filament at both ends of the lamp. The tube is filled with traces of argon and thin mercury vapor. The inner wall of the tube is coated with fluorescent powder. The gas between the two filaments emits ultraviolet rays when conducting electricity. Make the phosphor emit visible light. T8LED fluorescent tube is a kind of LED fluorescent tube with a diameter of 8/8 inches and a tube diameter of about 26 mm.

Light-emitting principle: The terminal voltage of the PN junction constitutes a certain potential barrier. When a forward bias voltage is applied,T8 tube light the potential barrier drops, and the majority carriers in the P and N regions diffuse to each other. Since the mobility of electrons is much greater than that of holes, a large number of electrons will diffuse to the P region,T8 tube light which constitutes the injection of minority carriers in the P region. These electrons recombine with the holes in the valence band,T8 tube light and the energy obtained during the recombination is released in the form of light energy. This is the principle of PN junction light emission.

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