Hey, where is the large LED screen hidden?

Let’s not rush out and pick up the mobile phone for navigation! In Daping Times Street, looking for a large LED screen is like playing a real-life version of "Let's find fault." Have you ever wondered: "This big screen looks ordinary during the day, but why does it suddenly light up at night?" " tell you a secret——​ ​Good screens are invisible​​。

Three elements of site selection, remember not to suffer losses

To talk about the way to select the location of this LED large screen, I have summarized the "three looks" formula for you:

• ​​Look at the flow of people​ ​: You must choose an intersection diagonally opposite. This position can radiate the flow of people in four directions at the same time (the measured flow of people can be increased by 40%)
• ​​Look at blind spots​ ​: Avoid pillars and billboards, and the installation height is recommended to be 4-6 meters above the ground (just like the measured data of a shopping mall, this height covers the widest range of people)
• ​​Look at the power interface​ ​: Confirm the 380V industrial power access point in advance. Don’t wait until construction to find out that you need to pull 200 meters of cable.

Do you know the tricks in the parameter table?

Come on, let's break it up and mash it into pieces. When choosing an LED screen, don’t just look at the price. These parameters are the hard truth:

1. ​​Brightness needs to be able to do tricks​ ​: You have to be able to withstand Chongqing’s “smoggy sun” during the day and not blind yourself at night. ​ ​Intelligent brightness adjustment​ ​Technology allows the screen to automatically switch between 800-1200cd/m²
2. ​​The refresh rate should be smooth enough​ ​: Lower than 1920Hz? Then when you watch the video, it will be as laggy as watching a PPT. Actual measurement at a certain brand's concert, the video shot with a high refresh rate shows even the singer's hair is clear
3. ​​The level of protection is about to reach​ ​: In this weather in Chongqing, IP65 waterproofing is a basic operation. Guess what? On a rainy day last year, a large screen in a shopping mall performed "Water Curtain Cave" because it was not properly sealed."

What are the pitfalls in the installation process?

Let me tell you the truth! Last month, a shopping mall was in a hurry to open, and the installation team directly worked at high altitude. As a result...

• ​​Day 1​ ​: Measure dimensions with infrared three-dimensional scanning, and the error must be controlled within ±2mm.
• ​​Day 3​ ​: When debugging colors, remember to choose early morning, when natural light is the most stable (a team actually measured the color adjustment accuracy at 9 a.m.)
• ​​Day 7​ ​: Don’t forget to bring the gradient chart for testing. The transition from pure black to pure white should be as smooth as Dove chocolate ads.

Cool knowledge about maintenance

Did you know that LED screens also need to be "masked"? This big gray guy in Chongqing has to be served like this:

• ​​weekly​ ​: Use neutral detergent to wipe the surface. Remember not to use alcohol! A cleaning lady in a shopping mall used the wrong detergent and it faded like an old photo in three months.
• ​​per month​ ​: Check the cooling fan, take a piece of A4 paper to put the air vent, if it can't suck it, you have to replace it (normal wind can suck it for 3 seconds without falling off)
• ​​quarterly​ ​: Let the professional team do a "physical examination", focusing on the power module and signal interface (one screen always stuck on the same screen due to oxidation of the connectors)

At the end of the day, choosing a large LED screen is like looking for a partner.——​ ​You can’t just look at the face, you have to look at the inside​ ​. If you encounter a supplier who says "absolutely no problem", be wary. A truly reliable team will take the plan drawings and explain the data to you one by one, from the power interface to the pixel pitch. Next time you go shopping, you might as well pay more attention to those high-quality "invisible" large screens, and maybe you'll discover a new world!

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