Standing in front of the shopping mall window and staring at the transparent screens that can display advertisements without blocking the products, are you also wondering - who should you buy such high-tech gadgets from? Why do the transparent screens installed in some stores look like they are covered with a layer of plastic sheeting? Today we will break it apart and talk about this method.

​​Looking at the manufacturer’s background is more important than bargaining​​
Don't be fooled by the so-called "factory direct sales", I have seen too many people fall into this trap. A truly powerful manufacturer must meet at least three hard conditions:

• ​​Class 10,000 dust-free workshop​ ​(Visible dust will affect the uniformity of screen light transmission)
• ​​Fully automated placement machine​ ​(Lamp beads mounted by hand will develop dark spots within three months)
• ​​Three batches of aging test​ ​(72 hours of continuous playback to detect heat dissipation stability)

There is a real case: a convenience store chain hired a small workshop for cheap. As a result, color patches appeared on the screen after half a year. In the end, the cost of disassembly and redoing was 30% more expensive than the original price. Here’s a trick for everyone – ask to see the manufacturer’s​ ​Install real time-lapse video​ ​, only those who can clearly see the precise operation of the robotic arm are reliable.

​​Word games in parameters​​
The “86% transparency rate” that merchants talk about may be hiding something fishy. The truly effective measurement method is​ ​Light transmission test with screen open​ ​, instead of using a piece of glass to fool people when the screen is turned off. Here is a comparison table to help you spot the trap:

Last year, a certain Internet celebrity restaurant suffered a big loss. The screen it installed looked like it was fogged from the side. In the end, it had to widen the distance between tables by 1 meter. Remember to bring it with you​ ​Field test of frequently broadcast material​ ​, focus on bright red color restoration and fast motion pictures.

​​Installation service is the highlight​​
Buying a screen is just the beginning, and subsequent service is the real test. A reliable supplier should provide:

1. ​​3D point cloud scanning​ ​(Laser modeling is used to ensure accurate matching of the installation position)
2. ​​Dynamic load-bearing calculation​ ​(Especially for suspended installation, wind load must be considered)
3. ​​7×24 hours response​ ​(It is best to have a local spare parts warehouse)

I heard that the curved screen in a shopping mall atrium was installed without calculating the stress. As a result, the steel structure deformed and the screen cracked six months later. Now professional teams will use it​ ​BIM technology preview installation process​ ​, even the screw torque value is accurate to Newton meters.

​​You ask and I answer​​
Q: How to choose when buying online is cheaper and buying offline is safe?
A: Focus on whether it can be provided​ ​Scenario-based solutions​ ​Rather than just selling hardware. The winning bidder of an international airport won the project by relying on the dynamic people flow heat map to match the screen layout.

Q: How to judge whether after-sales service is a blank check?
A: It is required to be written into the contract​ ​Brightness Attenuation Commitment​ ​(For example, no less than 85% of the initial value within three years) No matter how good the service commitment is, it is not as good as writing it in black and white.

Q: Is it risky to customize special shapes?
A: Trapezoidal/wavy splicing is very mature now, but you need to confirm that the manufacturer has​ ​Five-axis CNC machining equipment​ ​. The spiral screen of a certain science and technology museum was first verified with a 1:10 model before mass production.

Editor's opinion: Buying a transparent screen is like looking for a partner, you will suffer a lot if you just look at the appearance. It is recommended to visit the manufacturer and see their testing laboratory with your own eyes. Those who generously allow you to take pictures of the production line are usually not too bad. remember——​ ​A good screen can speak for itself​ ​, play a 4K seafood video, and the texture of the whiskers and hairs of live shrimps is clearly visible before it is worth buying.

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