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LED
類別
名字
LED
Original name
発光ダイオード
或稱
Light-emitting diode
L.E.D.
light emitting diode

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A light-emitting diode (LED) is a semiconductor light source.[7] LEDs are used as indicator lamps in many devices and are increasingly used for general lighting. Appearing as practical electronic components in 1962,[8] early LEDs emitted low-intensity red light, but modern versions are available across the visible, ultraviolet, and infrared wavelengths, with very high brightness.
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gumonshoe 7年前
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gumonshoe 6年前