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Question:

What's the difference between an energy-saving fluorescent lamp and a LED light?

What's the difference between an energy-saving fluorescent lamp and a LED light?

Answer:

When the two semiconductors are connected, a P-N junction is formed between them.When the current passes through the wire acting on the wafer, the electrons are pushed into the P region and combined with the electron hole in the P region,Then energy is emitted in the form of photons, that is, light.
The semiconductor wafer consists of two parts,One part is the P type semiconductor, in which the hole dominates,The other end is the N type semiconductor, which is mainly electronic here.
Different lighting principleAn energy-saving fluorescent lamp uses mercury vapor at low pressure to release ultraviolet light after energizing so as to make fluorescent powder coated on the inner wall of the lamp tube shine.The light emitting element of the LED is a semiconductor crystal,

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