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LED history
Apr 24, 2017

In the 60 of last century, science and technology workers used semiconductor PN junction luminescence principle, developed into LED light-emitting diodes. At that time, the LED, the material used is GaASP, its luminous color is red. After nearly 30 years of development, now we are very familiar with the LED, has been able to emit red, orange, yellow, green, blue and other shade. However, the lighting required white led only in recent years to develop, here to the reader about the lighting with white LED.

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