Characteristics of LED Beads

　　1. Voltage: LED beads use a low-voltage power supply, with a supply voltage between 2-4V, which varies depending on the product, so it is driven by a higher voltage power supply; A safer power supply, especially suitable for public places;

　　2. Current: The operating current is 0-15mA, and the brightness becomes brighter as the current increases

　　3. Efficiency: Energy consumption is reduced by 80% compared to incandescent lamps with the same luminous efficiency.

　　4. Applicability: Very small, each unit LED chip is a 3-5mm square, so it can be prepared into various LED bead shaped devices,

　　5. Care time: The care time of the incandescent lamp is in milliseconds, and the care time of the LED lamp is in nanoseconds.

　　6. Environmental pollution: No harmful metal mercury.

　　7. Color: Changing the current can change color, and the light-emitting diode can be conveniently modified through chemical methods to adjust the energy band structure and bandgap of the material, ending the multi-color emission of red, yellow, green, blue, and orange. If the LED turns red at low current, it can turn orange, yellow, and finally green as the current increases.

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