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LEDs are semiconductor diodes, electronic devices that permit current to flow in only one direction. The diode is formed by bringing two slightly different materials together to form a PN junction (Figure 2). In a PN junction, the P side contains excess positive charge ("holes," indicating the absence of electrons) while the N side contains excess negative charge (electrons).
A light-emitting diode (LED) is a two-lead semiconductor light source. It is a p–n junction diode
A LED is a semiconductor diode that makes a small light source. We can compare the quality of the LED as we do it at the electrical energy(by the number of lucs)
هل تحتاج لمساعدة في كتابة سيرة ذاتية تحتوي على الكلمات الدلالية التي يبحث عنها أصحاب العمل؟