Alas, I have always heard people say that buying LED screens requires OE parameters, but what is this OE? Could it be the "college entrance examination score" on the display screen? Last month, Lao Wang was cheated when he opened a shopping mall - he spent a lot of money to install the screen. He was blinded during the day and looked like he was covered in dust at night, which made him slapped his thighs in anger. Let’s talk about this mysterious OE today, and you will definitely understand more than those who sell screens after listening!

​​The truth of OE: It turns out that it cares about these two major events​​
To put it bluntly, OE is the "energy-efficient ID card" of LED screens. It determines the screen​ ​Can you withstand the provocation of the sun in the strong light​ ​, and it affects​ ​Will the meter turn like a gyroscope?​ ​. For example, you will understand: two screens with the same 100-inch screens, high OE can save 40% of the blackout cost during the day, and you can also pay 23% less electricity bill at night - this is real money!

Last year, a complex in Hangzhou suffered a secret loss and chose a screen with OE that did not meet the standards, resulting in an additional 20,000 yuan in photoelectric bills per month. Later, I changed the device that supports smart dimming. What do you think? The operating cost is cut in half!

​​Three-character purchasing tips: look, touch, and ask​​

1. ​​Don't be dizzy when you look at the parameters​​：

• Refresh rate is at least 1920Hz up (below this number, it is dizzy to see the quick screen)
• Brightness must be good at magic: 800-1200 indoors, 4000 outdoors

1. ​​Touch the structure to prevent cats​​：

• Knocking the box and listening to the sound, aviation aluminum is "ding" when hitting, inferior materials are "bangbangbangbang"
• The heat dissipation holes are dense like honeycomb coal

1. ​​Please be kind to ask after-sales service​​：

• Do you dare to protect it for 5 years?
• How many hours can I respond to a night failure?

Remember,​ ​Quickly disassembly and assemble the structure can save 60% installation cost​ ​! A exhibition center in Shenzhen changed the screen last year, and the 200 square meters of big guy was done in 28 hours. It had to be put on for three days and three nights before.

​​How many people have these hidden costs been cheated​​
Don't think that you're done after buying it! In five years, maintenance fees can eat up 55% of your total investment. If you want to avoid being stabbed, you have to keep an eye on these two points:

1. ​​Energy consumption chips must be equipped​ ​: With real-time monitoring screen, you can save 20% to 30% of the electricity bill every year
2. ​​Remote diagnosis must be standard​ ​: The color difference failure last time a shopping mall in Guangzhou was in Beijing, and the engineer was adjusted in 2 hours

If you meet a supplier who "runs after installing", hey, just wait to be a firefighter every day!

​​We have to look at the future trends​​
The most top LED screens nowadays are all​ ​Have grown brains​ ​! Let’s talk about the newly installed advertising screens in Tokyo. People will count the traffic themselves - if there are too many people, split-screen advertisements, and if there are too few people, they will broadcast panoramic videos. What’s more amazing is that you can sense the weather and will automatically brighten 30% on rainy days!

If you want to have a personal opinion, choosing an LED screen is like finding a partner - parameters are the basis, and the temperament must be consistent, and the key is to be reliable. Next time you want to select the screen, remember to snatch this OE to death and keep it for ten or eight years without any trouble!

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