Led is a semiconductor device, which can be divided into various types such as led lamp beads, led screens, and led light tubes. led lamp beads are widely used in the field of lighting, with the advantages of high brightness, low power consumption, and long life; led screens are often used in advertisements, displays, stages, etc., and can present high-definition and good visual effects; led lamps are suitable for for indoor and outdoor lighting, it has the characteristics of waterproof, impact

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