LEDとは、発光ダイオードのことで、電流を流すと光を発する半導体素子のことです。LEDは省エネルギーで長寿命、小型・軽量、高輝度、高速応答性などの特徴があり、様々な分野で活用されています。 LEDの歴史と発展 LEDの原理は1907年にヘンリー・ジョセフ ...

図1 ハイパワーLEDを使った懐中電灯 左から，単4電池3本使用のパワーLEDを使った懐中電灯，単3電池2本使用のMAGLITE MINI（豆電球），CR2電池1本使用のパワーLEDを使った小型のハンドメード懐中電灯「壱式」，砲弾型LEDを32灯使った懐中電灯。壱式以外は2000 ...

LED technology is today preferred by everyone and we all want them to part of our home or office. But, if you haven’t brought LEDs before, then you might not know that there are plenty of different ...

LEDs form an inevitable part in the modern electronics as simple indicators to optical communication devices. Light Emitting Diodes exploit the property of the p-n junction to emit photons when it is ...

The polarity markings on LEDs (Light Emitting Diodes) seem to be a common cause of confusion. The polarity may be indicated by a flat section on one side of the body or by one lead being shorter than ...

There are 8 different types of diodes that are available for use in electronics design. The various types of diodes enable different kinds of application specifications to be met. As a result of the ...