Alas, have you ever wondered why the large screen on the concert stage can instantly change the scene? How to make the huge advertisements in the shopping mall atrium so that the picture is sturdy? This matter has to start with the eighteen martial arts of LED splicing screens. As a display engineer who has been in the industry for ten years, today I will take you to open up the industry tips and ensure that you are more knowledgeable than those who sell equipment after reading it.

​​1. Hidden strength in technical parameters​​
When I was helping a music festival deal with equipment failure last month, the organizer asked me: "Why do some splicing screens fog on rainy days? "In fact, the key is three parameters:

• ​​Refresh rate ≥1920Hz​ ​: The higher the number, the cleaner the picture is, just like wearing a anti-shake gimbal on the camera
• ​​Intelligent brightness adjustment​ ​: 800-1200 nits indoors can protect the audience's eyes, and 4000+ nits outdoors can also be seen clearly in the sun
• ​​Splicing seam ≤0.88mm​ ​: The gap is thinner than the bank card thickness, and the joints are basically not visible three meters away

Here is a cold knowledge - a good splicing screen will actively reduce the brightness in a dark environment to prevent the embarrassment of "blindness". Just like the mobile phone automatically adjusts the brightness, this technology is used on large screens of dozens of square meters, and the difficulty is more than ten times higher.

​​2. The secret to worry-free installation and maintenance​​
The case of an e-sports hall last year still vividly remembers: their screens are still the same as new after three years of use. The trick is hidden in the design details:

1. ​​Quick disassembly structure​ ​: The box with spring buckle can be disassembled and installed for 20 square meters in ten minutes for two people
2. ​​Pre-maintenance design​ ​: You can change the module without crawling behind the shelf
3. ​​Self-test system​ ​: Automatically scan the broken points for the first time when the computer is turned on every day, 8 times faster than manual inspection

Special reminder: Don’t panic when the screen flashes, as the signal line is loose. Remember to use an HDMI cable with a locking head, and you can hear a "click" sound when plugging it in.

​​3. Guide to avoid pits when purchasing​​
Some customers bought imported screens for a large price, but the color difference was severe in half a year. Remember these three contrast dimensions:

There is a trick that experts know: take a slow motion of the phone and shoot the screen, and don’t buy it if you can see the obvious scanning line. This trick can screen out 80% of low-end products.

​​Editor's opinion​​
After working on the project for so many years, I discovered a strange phenomenon: the organizers who are willing to spend money on the splicing screen will never have a bad effect. Just as the chef said, "Three points of ingredients and seven points of heat", good equipment has its own aura. Recently, I saw a floor tiled screen used in an international event. The picture deformed when the athlete stepped on it. This kind of interactive design is real kung fu. Next time you see the transparent splicing screen in the mall, you might as well take a closer look - the technology that can maintain 86% light transmittance and clear pictures at the same time is definitely a lot of money.

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