What Is A Light-Emitting Diode? A light-emitting diode (LED) is a semiconductor device that emits light when an electric current flows through it. LEDs function by converting electrical current into ...
青色発光ダイオード（LED）電気を通すと光を放つ、半導体の構造を利用した青色の発光体。LEDは「light emitting diode」の略称 ...
The 2014 Nobel Physics Prize was presented to three researchers, Professor Isamu Akasaki, Professor Hiroshi Amano and Professor Shuji Nakamura for the invention of an efficient blue light-emitting ...
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