​​Shopping mall large screens are always flashing? Maybe I didn't understand these tricks​ ​
Alas, have you encountered such an upset? The LED advertising screen that cost more than 200,000 yuan was used to fade color blocks after half a year. Last week, a guy who opened a gym complained to me that the screen-playing fitness video he bought was like watching comic strips, and the coach's abdominal muscles were all stuck in mosaics! Actually, there is a lot of knowledge here. Today we will break it up and chat. We will definitely understand more than 80% of purchasing managers after reading it!

​​► First look at these three hard indicators when choosing a manufacturer​​
First look​ ​Monthly production capacity​​, this thing is like a hotel's turnover rate. A factory with a monthly output of only 10,000 square meters can delay your doubts about your life. Have you heard that the screen has not arrived three days before the event in a shopping mall? In the end, I could only rent a projector temporarily and make do with it, and the losses were heavy!

The second one needs to check​​Quality inspection process​​. Some small workshops do not even perform aging tests, and it is impossible to make any mistakes in the screen after half a year. The serious manufacturer has to play and test continuously for each screen for 72 hours, which is the same as the running-in period of the new car. There is a milk tea shop owner who looks cheap, but the screen was lost on the day of opening. Now there is a sign "Equipment Repair" hanging on the door.

Question 3​​International certification​​. CE and CCC are not decorations, especially screens that need to be exported. Without these certificates, even the customs cannot pass. Last year, a guy who was engaged in foreign trade was detained for three months when he arrived in Southeast Asia, and he lost all his underwear!

​​► Hidden costs in installation and maintenance​​
You may think it's over after buying the screen? Alas, the water here is deeper! For example: A commercial center is equipped with a 200㎡ arc screen, and the quick unboxing body saves 17 days of construction than the traditional structure. This aluminum-magnesium-zinc alloy box is only 8.6kg per unit. The master said that you don’t need to use scaffolding to change modules now, just build a ladder.

How to save electricity bills? A screen with smart dimming can save 37% of the electricity bill per month. The actual data is placed. There is a logistics park with the same area screen, and the smart model has a lower electricity bill of 28,000 yuan per year. You can calculate that it will be enough to buy a new screen in five years!

​​► Purchase anti-pit manual​​
Novice loves to step on these three thunders:

1. ​​Just look at the pixel density​​: 2.5mm and 3.9mm screens are viewed from 5 meters away, with less than 7% difference in image quality
2. ​​Ignore environmental adaptation​​: Indoor screen is installed outdoors, water is allowed to enter during the rainy season
3. ​​Buy second-hand ones with cheap​​: The refurbished screen bought by a KTV is more expensive than the new screen in three months

Here is a comparison list:

​​► Technical Streaming Decryption: What is low brightness and high gray​​
You may ask: "Why are the screens in high-end shopping malls not dazzling at night? "The key is​ ​Level 4096 grayscale control​​. If the brightness of the ordinary screen drops to 20%, it will be blurred into pieces. This technology can make the details of the dark part clear. Actual tests show that the image recognition rate of screens using this technology increases by 73% during dusk, which is especially suitable for window displays after shopping malls are closed.

There is a typical case in a hospital garage: automatically lowering the brightness at night, which saves electricity and does not affect the driver's sight. The time to find a parking space is cut in half!

​​► Hard power of global project verification​​
Check out these real money tests:

• The 86% transmissiveness window screen drives a 29% increase in store customer flow
• 7500cd/m² peak brightness, still clear under the sun
• The heavy rainstorm lasts for 72 hours, and the screen works as usual and has zero faults
  These are not laboratory data, they are all practical results for projects in Tokyo and Seoul!

​​The editor tells the truth​​
Now I know where to make a reliable LED screen? The key is to find factories with monthly output of over 10,000 square meters and strict quality inspection. Next time I go to the factory, focus on touching the seams of the box - the workmanship is rough, and the waterproof performance is definitely discounted! Remember, a good screen is not about choosing the most expensive one, but about the most suitable one. Just like buying shoes to fit the feet, do you think this is the reason?

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