Have you ever seen those glowing, breathing grids on the exterior walls of shopping malls? Now even wet markets are starting to install this kind of hollow LED screens. But I heard that installing this thing is very expensive? Today we will break it down and understand how to spend a small amount of money to accomplish big things.

​​First, let’s understand what a serious grille screen is.​​
This is not an ordinary LED screen digging a few holes! A true grille screen must meet three hard indicators:

• ​​Permeability ≥75%​ ​: Can display the picture without blocking the lighting
• ​​IP65 protection​ ​: Works as usual during heavy rains and does not fall apart during typhoons
• ​​1920Hz refresh rate​ ​: There is no lag when playing videos, and there are no ripples when taking pictures with mobile phones.

Last year, a 2,000-square-meter grille screen was installed on the exterior wall of a stadium in Tokyo, and the maintenance cost dropped by 600,000 yuan compared with traditional screens. If you do the math, you can save enough money to hold three celebrity concerts.

​​Three secrets to save money​​

1. ​​Quick installation structure​ ​: 200㎡ can be installed in three days, saving 50% on labor costs
2. ​​Reuse​ ​: It can be disassembled and assembled five times without being scrapped. This is the most rare thing among lessors.
3. ​​Smart power saving​ ​: Automatically lower the brightness at night, cutting your electricity bill in half

There is a commercial building in Shenzhen that hangs a grille screen on the outside of the glass curtain wall, which serves as both a billboard and a sunshade. It saves 800,000 yuan a year on air conditioning costs. Is this a good deal?

​​Purchasing guide for pit prevention​​
The three most common minefields for novices:

• ​​Waterproof is not up to standard​ ​: On-site water splash test is required, don’t believe the data on the promotional page
• ​​Thermal design​ ​: Choose a double-sided heat dissipation structure to extend the service life by three years.
• ​​maintenance channel​ ​: Reserve access points for repairs, don’t wait to demolish the exterior wall if it breaks down

Last year, a supermarket installed goods from small manufacturers for cheap. As a result, there was a collective short circuit during the rainy season. The compensation for the damage was enough to buy ten new screens. It’s up to you to figure out whether this lesson is worth it.

​​Self-question and answer session​​
Q: I heard that this thing collects dust easily?
A: Nowadays, high-end models have self-cleaning coatings, which can be cleaned by rainwater.

Q: How many years can it be used without breaking?
A: If the modular design breaks down, replace it. There is a project in Tokyo that has been used for seven years and is still in service.

​​Exclusive data broadcast​​

• Modular installation saves 40% of labor compared with traditional methods
• Intelligent dimming system saves 55% electricity
• The aviation aluminum structure has a wind resistance level of 12

Next time you see the luminous grid on the exterior wall of a shopping mall, don’t just think it’s pretty – there’s business knowledge hidden in every hole! If you ask me, this thing is not a display screen, it is simply a money printing machine on the exterior wall of the building.

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