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LED tube light principle

Shenzhen WT Lighting Co.,Ltd Updated: Jan 06, 2016

Fixed voltage of PN junction constitutes a barrier, when Jiazheng times base bias voltage drop the p-and n-proliferation of majority carriers toward each other. Because the electron mobility is much larger than the hole mobility, so there will be a large number of electrons from p diffusion, constitute p areas of minority-carrier injection. These electrons and the valence band holes of composite, compound the energy released as light. This is the principle of PN junction light.

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