Dear bosses, come here! Recently, people always ask me: "Who should I find to make an LED display? "This matter seems simple, but there are many practical tricks. Today we will talk about it and teach you how to choose the right partner.

1. Need to get the right number: What is your display for?

​​Find out what you want first​​——Just like when buying clothes, you have to look at the occasion first, and when choosing a display screen, you have to look at the application scenario. Last year, the owner of a commercial complex project in Shenzhen originally planned to use ordinary advertising screens, but later found that it needed to be compatible with the concert function, so the temporary change plan cost an extra 300,000 yuan.

​​Three mainstream demands are selected​​：

1. ​​Commercial advertising​​：

   • Outdoor large screen (18 hours of playback per day)
   • Shopping mall poster screen (resolution ≥P4)
   • Building advertising wall (wind pressure resistance ≥12 level)
     This type of project focus​ ​Brightness adjustment capability​​For example, the outdoor screen must be able to automatically adapt to the brightness changes of 4000-7500cd/m², and you must also see clearly under the sun at noon.

2. ​​Creative interaction category​​：

   • Transparent window screen (transparency ≥80%)
   • Stage floor tiles screen (load bearing ≥2 tons/m²)
   • Smart guide sign (supports touch interaction)
     This type of equipment is most afraid of​ ​The picture is torn​​, you must choose a product with a refresh rate of ≥1920Hz to move the screen quickly to avoid blurring.

3. ​​Professional engineering​​：

   • Sports fence screen (IP65 waterproofing is the bottom line)
   • Quickly disassemble and install the rental screen (50㎡ assembled in 10 minutes)
   • Event customization system (supports multi-screen split screen)
     Focus on​ ​Structural Design​​For example, if the aircraft grade aluminum-magnesium-zinc alloy box is used, the service life is 5 years longer than that of ordinary cargo.

2. Technical hard-core indicators: Don't be fooled by fancy parameters

When you meet a supplier, ask these three sentences first: "Who has the lamp beads? What is the driver solution? How to calculate the warranty? "Last week, a customer was cheated and was blown away when he bought it. The lamp beads turned yellow after half a year of using them.

​​Four must-see core parameters​​：

1. ​​Intelligent brightness adjustment​​：
   The indoor screen must be able to automatically adapt to ambient light in the range of 800-1200cd/m² so that the conference room will not be blinded
2. ​​Grayscale Expression​​：
   Only 16 bit or above grayscale can show delicate cloud transitions. Just look at whether there are color blocks on the sunrise screen.
3. ​​Protection level​​：
   Outdoor projects are certified IP65, and they are still as stable as an old dog on heavy rains
4. ​​Response speed​​：
   The delay of the e-sports screen must be <5ms. Use your mobile phone to shoot slow-motion videos to see if there is any dragging.

​​Special reminder​​: The other party needs to provide a 72-hour aging test report, and the lamp bead attenuation rate exceeds 3% directly pass!

3. Service network layout: How important is localization support?

Last year, a shopping mall project in Shanghai failed on the third day after the equipment was installed. The supplier sent someone from another place to repair it. After three days of delay, he was fined 200,000 yuan in liquidated damages. Tell us about this——​ ​Localized service team is the insurance rope​​。

​​Three advantages of global service network​​：

• ​​24-hour response​​: The Tokyo project was reported at 2 o'clock in the middle of the night, and the engineer arrived at the scene in 45 minutes
• ​​Full process support​​: From the design of the plan to the replacement of modules in five years, one-stop service
• ​​Spare parts center coverage​​: The 3,000㎡ module inventory is available in Southeast Asia, and the emergency order is delivered in three days

To give a real case: The P4 curved screen in Marina Bay in Singapore only took 18 days from measurement to installation. The key is to prepare customized curved modules in advance by the local technical warehouse.

Personal opinion time

After working in engineering supervision for more than ten years, I have seen too many "fallback" cases. The most common mistake that novices make is to only look at the price and not the hidden costs. Last year, the price of a block screen was 30% cheaper, but the three-year repair fee was higher than the purchase price.

It is recommended to focus on two points:

1. ​​Is there an automated production base?​​(Factors with monthly output of more than 10,000 square meters are reliable only if they have a reliable quality control)
2. ​​Dare to sign a performance bet agreement​​(For example, the five-year decay rate of the promised lamp bead is less than 5%)

Remember: Good screens are saved! Choose the right partner and save 60% of the cost of post-maintenance, which is the real cost-effectiveness.

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