LED

A light-emitting diode (LED) is a semiconductor device which works whenever a forward current is flowing through a semiconductor junction diode, each time an electron and a hole recombine; energy is released as a photon. The color of the light is related to the energy of the photon, which is in turn determined by the energy band gap of the semiconductor material. The light is not particularly bright, but in most LEDs it is monochromatic, occurring at a single wavelength.
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LED Products under 照明

LED - 子类别

白色LED

1120

彩色LED

113

单色LED

864

其他LED

377