Alas, are you all so attracted by the glowing "magic mirrors" on the street that are lately? From the entrance of the mall to the large advertising screen you are dazzling in, to the train schedule that jumps in real time in the subway, these LED screens are like magic, and can always bring information to you vividly. But, where are these high-tech things hidden in the city? Today we will dig into the "hiding map" of the LED screen!

1. Where are the LED screens in the city hiding?

​**1. The "eye-catching artifact" in the mall**​ If you want to talk about the most eye-catching place for LED screens, it must be a commercial area. Have you noticed it? Now at the entrance of a slightly larger mall, there are always large advertising screens that can make people shine. Take a well-known commercial street in Tokyo for example. The facade of the entire building is made of LED screens. It looks like a light and shadow castle when it lights up at night. This kind of screen is not just beautiful - it can automatically adjust the brightness according to the weather, and the picture is still clear on rainy days so clear that it can count the model's eyelashes.

​2. "Guiding Light" of the traffic road​
In airports and high-speed rail stations, LED screens are simply life-saving straws for passengers. Remember the renovation of Incheon Airport last year? The entire row of LED screens on the top of the waiting hall can display the boarding gate in real time. Passengers can see their flight information when they look up, and they no longer have to run around looking for the display screen. Now more advanced people can also play "Smart Navigation". If you stand in front of the screen for more than 10 seconds, it will immediately push the surrounding food guides.

​3. The "atmosphere group responsibility" behind the stage​
Friends who have followed the concert must have a deep understanding of how many tricks can the LED screen play with the current stage background. At the tour of a Korean wave group, the entire LED floor tiles screen changed the pattern with the dance steps. The singer stomped his feet and exploded the special effect of the fireworks. The effect was even more powerful than the real fireworks. I heard that even bars have started to use LED screens as dance floors, and when they step on them, they will leave barefootprints. The young people are having fun.

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2. Three tips for choosing LED screens

​**​Don't be fooled by the parameters**​ - The brightness must be ruthless: the outdoor screen has no brightness of 5000nit, it can't withstand the sun at all, just like wearing sunglasses and looking at a mobile phone, the picture is a mosaic - the refresh rate is fast enough: it will not hurt your eyes when starting at 1920Hz, especially when chasing sports events, it is cool to fly over without any shadows - the protection level cannot be saved: IP65 is a standard configuration, and it is still as stable as an old dog when it rainstorms.

​​Choose a type and have the right approach​​

• Open a store for promotion? It's OK to choose a P4 outdoor screen, it's cost-effective and capable
• Carrying an art exhibition? Try a transparent screen, 85% transmittance can make exhibits and pictures "buff"
• Hold a concert? The rental screen is the most practical, the magnesium alloy box is faster than the building blocks

​​Installation and maintenance are available​

• Find a professional team and don’t look for cheap things: Last year, the LED screen installed by a shopping mall itself appeared after using it for three months. The rework fee is more expensive than the installation fee.
• Daily maintenance should be diligent: wipe the screen at least twice a month, and don’t use alcohol! Just dip the cotton cloth in a little water. If you wipe it too hard, you will lose a lot of money if you remove the coating.
• Spare modules must not be missing: it is recommended to leave 5% spare parts. If any lamp bead strikes, it will be replaced in ten minutes.

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3. These new technologies are changing the rules of the game

Now the LED screen is getting more and more wild! Just talk about the low-brightness and high-gray technology. I am no longer afraid of being blinded when watching the screen at night, but the details of the picture are not discounted at all. There is even more amazing - a technology company's latest flexible screen can be rolled up and transported like a scroll, and it can be spread out directly during installation, and the transportation cost will be cut in half.

The transparent screen has also evolved to version 3.0. The latest product can achieve an 86% transmissibility. It is installed in the store window. It can view products during the day and become advertisements at night. It is a pleasant and enjoyable for both use of one screen. Not to mention those smart screens that can "think" can automatically identify the direction of people and adjust the screen angle, and can also look at the front face when standing on the side.

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4. Personal advice

Don’t be greedy for cheap when buying LED screens! I have seen too many cases. The miscellaneous screens I bought cheaply have started to "grow spots" (bad spots) in less than half a year. If I ask me, I have to look at these three points to choose a manufacturer: 1. Do you have your own production line (the quality of the OEM is really unprogrammable) 2. Is the technical team hard enough (can help urgently at critical moments) 3. Is the after-sales service fast (if you say you respond 24 hours a day, try calling in the middle of the night)

Now the global LED screen market is in a strong position, and some manufacturers have begun to play customization services. Just like the curved advertising screen project in Singapore last year, from design to installation, the entire process of 3D modeling, even the screen curve follows the architectural curve. This kind of tailor-made ability is the real ability.

After all, LED screens are no longer simple display tools. It is becoming a "digital skin" of urban spaces, which can both convey information and create experiences. Be more careful when shopping next time. Maybe a certain LED device you passed by is "calculating" your attention in a way you can't imagine!

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