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illuminatingasi

06-09-2016 12:39 AM

What are LEDs?

What are LEDs?

Gade	06-09-2016 12:41 AM

A light-emitting diode (LED) is a two-lead semiconductor light source. It is a p–n junction diode, which emits light when activated. When a suitable voltage is applied to the leads, electrons are able to recombine with electron holes within the device, releasing energy in the form of photons.

hoabantrang

06-09-2016 07:55 AM

Do you manufacture LED advertise panel ?

Lazura

06-09-2016 09:13 AM

He's just trying to promte his sight, right under his signature ...

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