Are you often attracted by the cool LED screens in the mall? Or when I see someone else's store using a transparent screen to attract customers when I watch a short video, I feel itchy? I want to buy an electronic screen recently but don’t know where to start? Don’t panic! Today we will break it apart and talk.​ ​Where is the reliable LED electronic screen?​​, after reading this article, you will surely become an expert from a rookie!

(Take a deep breath) Don't rush to pay! Do you know? The price of LED screens of the same size is two or three times different. Some merchants use second-hand refurbished modules to fool people, and they become "stars" within half a year after installing them. We need to understand these key points first...

1. Selecting a screen is like picking the parameters of a mobile phone. You won’t lose money if you see it correctly.

The most likely thing that novices are fooled by merchants is the parameter table. ​ ​Refresh rate starts at 1920Hz​​This number needs to be kept in mind - below this value, all the videos taken are ripples, and it is embarrassing to post on WeChat Moments! Just like the difference between 90Hz and 60Hz on mobile phone screens, high brushes are pleasing to the eyes.

Brightness score occasions:​​Indoor 800-1200 nits are enough​​, but if it is outdoors, there are no more than 4,000 nits, and you can't see clearly under the sun. There is a simple test method - use the flash of your phone to look at the screen, and you will be qualified if you can still see the picture clearly.

When it comes to pixel spacing (P value), don't just look at the small numbers. P2.5 is suitable for viewing within 5 meters, and it is a waste of money if you go far. It's like we won't look at posters with a microscope, right? There is a formula written:​ ​Optimal viewing distance = pixel pitch (mm) × 3​​. For example, the P4 screen has just the right effect when looking at 12 meters away.

2. Treat special scenes with special treatment and don’t make the screen cumbersome.

Have you ever seen the lotus pattern that suddenly lights up on the ground in the hotel? That's​ ​Dance floor tiles screen​​, you have to choose a tempered glass on the surface, so that drunk guests will not break if they step on it. If you make a shop window,​ ​Transparent screen with a transmissiveness of more than 86%​​It is the kingly way, it does not affect the lighting and can attract customers.

Friends who are engaged in event rentals are paying attention! ​ ​Quickly disassemble the box​​It's a life-saving tool - last time I saw the exhibition company dismantling a 200-square-meter large screen in one hour. If it were an ordinary structure, it would take a long time to struggle. And the fenced screens of those stadiums,​ ​IP65 waterproofing is the basics​​, you have to be able to withstand the audience's beer.

3. If I have stepped on these pitfalls for you, I must take a detour.

1. ​​Low price trap​​: Many of the outrageously cheap screens on Taobao use second-hand lamp beads. Teach you a tip for inspection - turn off the lights and use your phone to take a photo mode to see the screen. If there is a red spot, it will be a bad spot.
2. ​​False parameters​​:Do you dare to ask the merchant to present a third-party inspection report? The NTSC color gamut coverage must be >92%, and the ΔE color accuracy is <2 to be considered qualified, which is much higher than the mobile phone screen requirements.
3. ​​After-sales routine​​: I promised a three-year warranty, but it would take three months to change the module? You must choose a local service outlet, and it is best to sign a 48-hour door-to-door agreement.

A restaurant owner learned a painful lesson: I bought a miscellaneous screen with cheap pictures, but the screen turned into a water curtain cave when the rainy season came. The repair fee is more expensive than buying a new screen, and now I regret it!

4. Soul questioning: What is expensive is good?

Some people must ask: Are imported screens better than domestic ones? Let's say so, now​ ​The technology of domestic large manufacturers is not inferior to that of foreign countries​​. For example, some Japanese and Korean projects specify that they want Chinese screens, why? Because ours​ ​Low bright high gray technology​​Perform better in dark environments and don't hurt your eyes.

Let me talk about cold knowledge: 80% of the world's LED modules are made in China. Three things to remember when choosing a manufacturer:​ ​Depend on the scale of the production base​​(Only those with a monthly production capacity of over 10,000 square meters are reliable),​​Check international certification​​(CE and CCC are the bottom line),​​Ask for project cases​​(More experience in Olympics and World Cups)

5. Let me tell you something big

Buying an LED screen is like finding a partner. It’s not enough to just look at the appearance, it depends on the inner strength. Next time I go to the manufacturer to check out theirs​ ​Aging test workshop​​——Serious manufacturers will light up the module continuously for 72 hours, eliminating unstable components. Ask again​ ​Control system​​Can it be upgraded? It’s now the 5G era, so don’t buy a screen and it will be outdated next year.

Finally, please remind: Don’t believe in the nonsense of “lifetime warranty”! Electronic products have a lifespan.​ ​100,000 hours service life + 5 years warranty​​The combination is the most realistic. Remember, good screens are saved - choose the right manufacturer and you can save half of the money after maintenance!

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