What are the classification and advantages of LED high-power lamp beads?

 

There are generally two types of LED high-power lamp beads: one is a lamp bead that integrates multiple PN junctions, and the other is a single PN junction lamp bead. The power of single PN junction lamp beads is mostly 0.2-1W, which can be easily measured using a digital multimeter diode range. The forward voltage drop can be determined to be around 2.9-3.4V, and the LED is accompanied by low light during measurement. LED above 1W is difficult to measure with a hand-held instrument. Amateurs typically use an adjustable regulated power supply for testing. The applied voltage can be gradually increased from 2V (because the conduction voltage of high-power LEDs is above 2V), and it can be judged as good when the LEDs emit light.

 

Advantages of LED high-power lamp beads:

 

1. Super bright, good light color consistency;

2. Low attenuation, low energy consumption, long service life, and strong antistatic ability;

3. Long service life: The product has a service life of over 30000 to 50000 hours, and can be continuously lit for 5-7 years for 24 hours;

4. Large mobile phone space: it can achieve organic integration with buildings, achieving the effect of seeing only light but not light;

5. Different wavelengths produce different colors of light, bright and saturated, without the need for filters, and can be controlled by three primary colors of red, green, and blue to form various colors;

6. The nanosecond response speed makes dynamic control of brightness and color easier, enabling dynamic color changes and digital control.

 

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