Light-emitting diodes are generally referred to As led lamp beads, which are composed of LED gallium Ga, arsenic (As), phosphorus (p), nitrogen (N) and other compounds. When an electron is combined with a hole, visible light can be emitted, so it can be used to make light-emitting diodes. led beads are commonly used as indicators in circuits and devices or to configure character or digital displays.
LED light emitting diode as a semiconductor component, because only a single guide through, so it has one-way conductivity. When an electric current flows, electrons and holes emit monochromatic light in unison, which is called the electroluminescence effect.
LED light emitting diode long service life, high working efficiency, not easy to damage, fast response with high reliability, environmental protection and energy saving advantages. Therefore, led lamp beads have gradually replaced the traditional incandescent bulb light source.
Square led lamp beads small size, long service life, low power consumption, durable, suitable for chargers, outdoor billboards, electrical indicators, automotive instruments, backlight products and a variety of general electronic equipment.
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