2024/5/24 -The meaning of LED is past tense and past participle of lead. When to Use Lead or Led.
2024/6/18 -A light-emitting diode (LED) is a semiconductor device that emits light when current flows through it. Electrons in the semiconductor recombine with ...
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The blue LED was supposed to be impossible—until a young engineer proposed a moonshot idea. Head to https://brilliant.org/veritasium to start your free ...
YouTube-Veritasium
2024/2/25 -An LED lamp or LED light is an electric light that produces light using light-emitting diodes (LEDs). LED lamps are significantly more energy-efficient than ...
2024/5/8 -LED, in electronics, a semiconductor device that emits infrared or visible light when charged with an electric current. Visible LEDs are used in many ...
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