Hey, all the stage novices! Did you get frightened by those cool big screens every time you watch a concert? It’s obviously LED screens, why do some stage effects look like science fiction blockbusters, while others look like old-fashioned TV snowflake screens? Let's talk about it today.​ ​How much hard-core technology is hidden in the stage LED display​​！

1. Three hard indicators of stage screen: Don’t be confused by the parameters

Let’s get something real first, choosing a stage screen is like finding a partner——​ ​Look at the face and look at the inner​ ​. To give a real case: a music festival uses a screen with insufficient refresh rate, and the singer shook his hair and even shook his shadow. The audience directly shouted for a refund!

​​The key parameters are clear:​​

• ​​Refresh rate ≥1920Hz​ ​: It is equivalent to 1920 flashes per second. No matter how fast the movements are when singing and dancing, it will not be confused (as silky as if you are watching 4K movies)
• ​​Automatic brightness adjustment​ ​: Indoor 800-1200 nits can see the actor's micro-expression clearly, outdoor 4000+ nits are not afraid of reflection at noon
• ​​Protection level IP65​ ​: It is still as stable as an old dog on heavy rains. Last year, the screen of a music festival held up the 8th level wind.

Here is a reminder: Don’t believe in those who blow the parameters to the sky! Some manufacturers claim to be "million-level contrast", and the actual test is less than 100,000. ​ ​Recognize international certifications such as ISO9001​ ​It is the kingly way, after all, they are testing with real money.

2. How to break special scenarios? These black technologies are amazing

The stage is so delicate - you have to withstand the tramplings and play with it. Let me tell you a real story: a New Year's Eve party used an ordinary floor tiles screen, but the dance team turned black as soon as they stepped on it, and the director almost got a heart attack on the spot...

​​Special Forces Level Solutions:​​

1. ​​Dance floor tiles screen​ ​: Starting with a load bearing of 2 tons, anti-slip surface treatment, dancing and dancing
2. ​​Transparent video wall​ ​: 86% light transmittance is not blown. The backstage props can be seen clearly and can also be used as background lights.
3. ​​Arc splicing technology​ ​: 10 minutes of disassembly and assembly is not a dream, it turns from rectangular shape to round or wavy shape in seconds

There is a new trend recently——​ ​LED screen as interactive props​ ​! For example, the singer can reach out to trigger the special effects, or the audience can call it on the screen by scanning the code. This kind of gameplay is not something that can be done on any screen, and it requires a special customized signal receiving module.

3. What is the price difference? Understand these and save money

You may ask: Why do some screens of the same size have several times the price difference? The water here is very deep! Last year, a theater in a county town bought a second-hand screen with a cheap price, but the three-month maintenance fee was more expensive than buying a new screen...

​​The cost is large in these few:​​

• ​​Box material​ ​: Aviation aluminum-magnesium alloy is three times more expensive than iron sheet, but it can be used for ten years without staining.
• ​​Heat dissipation system​ ​: Active cooling is 15% more expensive than passive cooling, which can avoid crashes in the middle of the performance
• ​​After-sales service​ ​: A 24-hour response technical team can save the scene at critical moments

Here is a tip for saving money:​ ​Rental screen is more cost-effective than buying out​ ​! Especially for short-term performances, rental screens with quick disassembly and assembly can save 30% of the cost. However, you should pay attention to transportation protection. A company did not make shock-proof packaging and broke three screens when transported to the site...

4. Xiaobai’s guide to avoid pits: Don’t step on these minefields

I have seen a lot of blood and tears in this industry, and I have said a few heartfelt words:

• ​​Don't blindly pursue small spacing​ ​! P2.5 is no different from P3 from 5 meters away, but it is half the price
• ​​Waterproof ≠ moistureproof​ ​! The beach performance must be selected with anti-salt spray coating, and the ordinary screen will grow green hair in three months.
• ​​The contract should be written with brilliance​ ​! Some bad merchants secretly turn down the brightness before performing

I've found a slutty operation recently——​ ​Use LED screen as tickets​ ​! When scanning the code to enter the venue, the exclusive welcome speech is displayed on the screen, which is a full experience. However, the signal stability needs to be tested in advance. More than 10,000 people scan the code at a certain music festival, causing the system to crash...

Speaking of this, I suddenly remembered something. Last year, they planned a concert for friends.​ ​Low bright high gray technology​ ​The screen can even see the singer's eyelashes clearly in the dark scene environment, and the audience thought that the level 10 beauty has been turned on! So,​ ​Good screen can really turn decay into magic​​！

Editor's opinion: choosing a stage LED screen is like choosing a battle robe - you must not only resist the ability to fight, but also set off the scene. Remember three keywords:​ ​As stable as an old ox, as flexible as a Transformer, as fast as a delivery guy​ ​. Next time I see those blinding stage effects, don’t just be damn it. We are also a person who knows the tricks, right?

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