p3.91 indoor rental led display.LED light source characteristics

　　1. Voltage: LED uses a low-voltage power supply, with a supply voltage between 6-24V, which varies depending on the product. Therefore, it is a safer power supply than using a high-voltage power supply, especially suitable for public places.

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

　　3. Applicability: Very small, each unit LED chip is 3-5mm square, so it can be prepared into various shapes of devices, and is suitable for environments where full color LED screens are prone to change.

　　4. Stability: 100000 hours, with light decay reaching 50% of the initial value.

　　5. Response time: The response time of incandescent lamps is in milliseconds, while the response time of LED lamps is in nanoseconds.

　　6. Environmental pollution: No harmful metal mercury.

　　7. Color: Changing the current can change color, and light-emitting diodes can be conveniently modified through chemical methods to adjust the energy band structure and bandgap of the material, achieving multi color luminescence 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.

　　8. Price: LEDs are relatively expensive. Compared to incandescent lamps, the price of one LED can be equivalent to the price of several incandescent lamps. Typically, each set of signal lamps needs to be composed of 300 to 500 diodes.

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