Alas, what are the most important components of LED large-screen advertisements, concert stages, and live broadcasts of sports events on the streets now?​​To put it bluntly, it depends on thousands of LED light beads as small as fingernails to support the scene!​​ Let’s talk about it today. How should I choose a reliable LED large-screen lamp bead if I want to buy a reliable LED screen? Don’t panic. Even if you are a newbie who has just entered the industry, you can become an expert after reading this article!

1. Let’s first understand: What is LED large-screen light beads?

To put it bluntly, LED light beads are the "pixel dots" of the display screen, and each light bead is responsible for luminous and color rendering.​​Every frame you see is the result of countless light beads collectively "disco"​. If this thing is not of quality, at the least, the screen is “long spots” (display is uneven), and at the worst, it is “blind” (local black screen). So, buying lamp beads is not about picking cabbage in the vegetable market, it has to be particular about it!

2. The 5 must-see indicators for buying lamp beads

1. ​​Brightness: Don’t just look at the numbers, you have to look at the scene!​​

• The indoor screen is 800-1200cd/m² enough, but it is too bright and dazzling.
• The outdoor screen must start at 4000cd/m², and you can see clearly under the sun
  ​​Please give a chestnut​​: Like those outdoor advertising large screens in Southeast Asia, without a brightness of 5000cd/m², the advertising effect at noon is directly 50% off!

2. ​​Antistatic capacity: 700V is the passing line!​​

This indicator is directly related to the life of the lamp bead.​​Light beads below 700V are like going to the battlefield without armor​​, a little bit of static interference is easy to "kill suddenly". Especially in humid areas, it is absolutely right to choose one with strong antistatic ability.

3. ​​Wavelength consistency: The secret to color not being off-distance​​

• The wavelength difference between red, green and blue lamp beads exceeds 2nm, and the screen will be "face-blind"
• Professional-grade large screen requires the wavelength error of the same batch of lamp beads ≤1nm
  ​​Speak human words​: If the wavelengths are inconsistent, the blue sky can show you a green grassland. Are you embarrassed?

4. ​​Heat dissipation performance: the "lifeline" of lamp beads​

• Choose a lamp bead with a common black drive solution, which saves 30% electricity than the traditional solution
• The first choice for substrate material is ceramic or silver-plated copper, which has fast heat dissipation and long life
  ​​Lessons of blood and tears​​: I have seen a shopping mall with low-quality lamp beads with large screens. The light decay is 50% in half a year, and the maintenance fee is more expensive than buying a new one!

5. ​​Protection level: Outdoor screen must pass IP65​​

• Waterproofing and dustproofing are not metaphysics, it depends on authoritative certification
• Colloids with UV coating can resist UV rays and will not turn yellow for five years

3. 3 tricks to teach you how to see through the business routine

1. ​​“Low Price Trap” Pit Prevention Guide​​

• The price difference between lamp beads of the same specification exceeds 20%? There is probably something wrong with it!
• Beware of "three no" products: no spectroscopic color separation reports, no antistatic testing, no warranty commitment
  ​​Personal test​: A 20 cents per lamp bead was sold on Taobao, with an actual power of 40%, and a collective death in three months!

2. ​​The golden rule of choosing a supplier​​

• Look at the production capacity: manufacturers with a monthly output of more than 100,000 square meters are more reliable
• See the case: Priority for doing international events
• View service: 24-hour technical response is standard [^Company Information]

3. ​Don't be fooled by "new technology"​

• Beware of gimmicks such as "nano-quantum dots" and "graphene heat dissipation"
• Mini LED's current yield rate is only 60%, so be careful

4. Personal advice

​​When buying lamp beads, don’t be a “price-licking dog”!​​ I have seen too many people buy defective products in order to save tens of thousands of yuan, but the repair costs are spent hundreds of thousands of yuan.​Remember three "priority"​：

1. Priority is given to those certified by CE/CCC
2. Preferred to those that support customized spectra
3. A three-year warranty is preferred

Finally, let's tell the truth:​The lamp beads are selected well and the screen is used until old!​​ Next time you see the blingbling LED screens on the street, you can see at a glance which ones are conscientious with good lamp beads~

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