The PN junction inside the LED is applied to the manufacturing, assembly screening, testing, packaging, storage and transportation of the electronic product, and installation and use. It is inevitable that the induced charge will not be affected by the electrostatic induction.

If the charge is not released in time, a higher potential difference will be formed on the two electrodes. When the charge energy reaches the LED's tolerance limit (this is the LED antistatic index value), the charge will be released instantaneously.

Discharges between the two electrodes of the LED chip in a very short time (nanosecond level), and instantaneously will be between the two electrodes (where the resistance is the smallest, often around the electrode), the conductive layer, the luminescent layer, etc. The internal material produces a local high temperature, and the temperature is as high as 1400 ° C. At this extreme high temperature, the material layer between the two electrodes is melted and melted into a small hole, thereby causing various abnormalities such as leakage, dead light and darkening.

The anti-static of LED chips of different enterprises, different processes, different substrate materials and different designs is also very different. The current anti-static height of the market is very different and the fish are mixed.

The antistatic level of the LED is independent of the package of the LED, depending on the chip itself. Some companies have adopted Zener diodes to protect them. This is a remedy adopted in the early days. Now, LED chip technology continues to advance, and this method is gradually becoming costly and operability is weak.

Once the enterprise encounters an LED LED light leakage and other accidents, the idea is often to strengthen the static management of its production workshop, such as grounding, laying static table mats, ion fans, etc., but this is not a cure, static is nowhere No, it can be said that 'hidden the first day can not hide fifteen''. Because the LED antistatic index used is low, similar to a health-deficient newborn, the day after tomorrow is difficult to cure.

Enterprises that use LEDs (chips) with high antistatic index will be able to completely solve the leakage accidents such as leakage and dead lights of LEDs caused by static electricity. Because of the high antistatic LED, it can adapt to various environments, such as LED antistatic. Above 2000V, it can generally withstand the static electricity in our normal environment. LEDs above 3000V can shine in the environment without deliberately strengthening the static control.

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