You said that the streets are full of LED screens now, and you can see them anywhere in shopping malls, stations, and concerts. But why do everyone love to use this thing? Last week, Lao Zhang also told me that after their supermarket changed to LED advertising screens, the electricity bill actually dropped by 30%. Today, let’s talk about the extraordinary things about this luminous artifact.

1. It's really not mysterious to be clear and save electricity.

You must have seen the ad screen that is still clear under the sun at noon, right? The outdoor screen now​ ​Brightness can reach 7500cd/m²​ ​, twice as bright as a car's high beam. But don't think it is an electric tiger. The intelligent brightness adjustment system is like a mobile phone automatically dimming - the sun will automatically brighten when it is big, and dim it yourself on rainy days. Last year, a commercial street tested this system​ ​Save 41% of electricity bills​ ​, enough to supply power to the street lights in the entire pedestrian street.

What's even more amazing is​ ​Low bright high gray technology​ ​, it's like installing a night vision device on the screen. The brightness is reduced to 800cd/m² at night and the colors are still full, so you no longer have to worry about being complained about by residents to light pollution. There is a very interesting data: with this technology, the life of the lamp bead can be extended by 2.8 times, and the maintenance cost will be reduced by 60%.

2. The durability is great if it falls and doesn't hurt.

Remember the big screen in the mall ten years ago? Scaffolding is required to repair it at any time. The new screen now​ ​Protection level is IP65​ ​, What is the concept? It's okay to just use a high-pressure water gun. On a typhoon last year, the outdoor screens in a coastal city withstood the strong wind of level 12, and the news will be broadcast as usual the next day.

Let's talk about this​ ​Quick disassembly and assemble structure​ ​, the stage construction master loves this the most. I used to have to work hard to change the screen for a long time, but now it is like a Lego-like box with magnetic suction, and it can be done with a click. Last month, 8 workers paved 500 square meters of floor tiles for a music festival in 2 hours, saving more than ten strong labor than in previous years.

3. You say God is not God when you think about the screen

LED screens are not stupid nowadays, they have "brain". for example​ ​Intelligent temperature control system​ ​, can sense the temperature of each box and automatically adjust the fan speed. Once, the gymnasium held a competition, and the temperature on the spot soared to 35℃. The screen activated the emergency cooling mode by itself, and steadily supported the entire field.

What's even more amazing is​ ​Remote diagnostic function​ ​, an engineer can "take the pulse" of the screen thousands of miles away by sitting in the office. At the New Year's Eve party last year, the main screen of the stage suddenly splashed. The technician took out his phone and clicked it twice, and the fault was solved in 3 minutes. The audience did not notice any problem at all. This will take place before, and the performance will be stopped for at least half an hour.

My personal thoughts on time

I have to say that LED screens have evolved in the past ten years like they have been on a rocket. From the light beads that used to be silly and brightly lit to the smart device that can adjust itself now ； From the bulky iron frame box to the floor tiles screen that can be stepped on and jumped. What convinced me the most was the change in maintenance costs - ten years ago, the screen repairs were 50,000 or 60,000 yuan, and now many problems can be solved remotely. I heard that the latest technology can also use AI to predict failures. Will the maintenance master be unemployed in the future? But then again, no matter how good the technology is, we have to know how to use it. Next time, let’s talk about how to choose the screen without breaking the pitfalls.

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