Newbies who are new to LED electronic screens for the first time, are they often confused by various parameters? Last week, a friend who owns a milk tea shop asked me: "I want to buy a window screen that can play animations, but I heard that some colors change after three months. How should I choose this thing?" "To be honest, when I first came into contact with this industry, I was also confused...

​​Don’t be in a hurry to place your order! First understand these three avenues​ ​
The pitfall that many novices fall into is just looking at the price. Last year, a gym owner wanted to buy a screen for a cheap price, but after only two months of use in the spinning room, the screen started to skip frames - and later it was discovered that the refresh rate was not up to standard. When buying an LED electronic screen, you must look at three hard indicators:

• ​​Brightness adaptability​ ​: Indoor scenes like milk tea shops,​ ​800-1200cd/m²​ ​The brightness is just right, too bright and it will be dazzling
• ​​Protection level​ ​: If it is installed outdoors, it must at least be resistant to heavy rain (IP65 starting)
• ​​Maintenance cost​ ​: The kind of screen that requires disassembling the entire module to replace the lamp beads will make you cry when repaired later.

There is a very interesting phenomenon: many shopping malls now like to use​ ​Transparent screen with 86% transmittance​ ​When used as a display window, it can display products without blocking the light. However, for this special screen, you must see whether the manufacturer has done arc splicing cases, otherwise black edges will easily appear at the corners.

​​There are so many purchasing channels, which one is the easiest to worry about? ​ ​
There are all kinds of suppliers found online. How to judge whether they are reliable? Let me teach you a trick - look at the production cycle. For truly powerful manufacturers, the time from order placement to delivery is basically within 15 working days. If I tell you "it will take two months to deliver the goods", it is 80% likely to be a resale order.
Here is a comparison table for you to experience:

The rental screen I chose for a friend last time had an aluminum-magnesium-zinc alloy box that was directly snap-fitted. It took two people half an hour to set up a 10-square-meter screen - this kind of​ ​Quick disassembly and assembly design​ ​That's really easy. By the way, some manufacturers can now also make stage plans with floor tile screens. The screen will not be blurred when dancing on it, but you have to confirm whether the load-bearing parameters are sufficient.

​​What hidden issues should we pay attention to after installation? ​ ​
Do you think everything will be fine after you pretend? The case of a chain restaurant last year was particularly typical: three months after installing the display screen, color blocks suddenly appeared on the screen. Later, it was found out that the air outlet of the air conditioner was facing the screen body, and condensation water was causing the problem. Keep these maintenance points in mind:

1. Do grayscale calibration at least once a month (don’t believe the “maintenance-free” nonsense)
2. For outdoor screens, check whether the heat dissipation holes are covered by small advertisements.
3. When encountering a black screen, check the power cord first. 80% of faults are caused by poor connections.

Here’s a little trivia: Nowadays, advanced control systems can monitor the temperature of each module, and the mobile APP can directly alarm. For example, some fence screens used in stadiums will automatically lower their brightness to prevent fog when it rains.​ ​Intelligent adjustment function​ ​It really saves you a lot of worry.

At the end of the day, let me give you an inside story on the industry - many manufacturers that advertise "export quality" now actually rent overseas warehouses. To see their true abilities, you have to ask them for​ ​Customs declaration forms and local project case photos​ ​. By the way, I recently discovered that some manufacturers have begun to play word games and promote "peak brightness" as normal brightness. This pitfall must be avoided. Next time someone brags to you about 8000cd/m² brightness, remember to ask how long it can last. Don’t be fooled by the parameters!

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