Introduction to the characteristics of punched word lamp beads

Issuing time:2017-08-09 16:49

1. Color: Changing the current can change the color. The perforated luminous character lamp beads are chemically modified to adjust the band structure and band gap of the material to achieve red, yellow, green, blue and orange multi-color light. For example, a red LED at low current can change to orange, yellow, and then green at one time as the current increases.

2. Voltage: Use a low-voltage power supply, the power supply voltage is between 2~4V, depending on the product, so it is a safer power supply than using a high-voltage power supply, especially suitable for public places;

3. Response time: The response time of the incandescent lamp is millisecond, and the response time of the LED lamp is nanosecond.

4. Environmental pollution: no harmful metal tribute.

5. Current: The working current is 0~15mA, and the brightness increases with the increase of current;

6. Efficiency: The energy consumption is reduced by 80% compared with incandescent lamps with the same luminous efficiency;

Seven, high applicability: small, each unit LED chip is 3~5mm square, so it can be prepared into various types of lamp bead shape devices, and is suitable for variable environments.

8. Stability: 100,000 hours, the light decay is 50% of the initial.

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