Alas, have you noticed it? Now there are more and more screens that will glow in shopping mall windows and deform on the stage. Last week, my cousin opened a bar and bought an LED flexible screen for 80,000 yuan. But it was installed on the curved wall and it was so angry that he almost replaced the decoration team. Let's talk about this today——​ ​How can a novice Xiaobai choose an LED flexible screen so that he can avoid getting into trouble? ​ ​

1. Understand these three parameters and spend less money

To be honest, when I first came into contact with the flexible screen, I was confused when I saw the parameter table - what do the numbers P1.86 and IP65 mean? Later I realized:

• ​​Pixel spacing (P value)​​: The smaller this number, the more delicate the picture. For example, use P3.9 for window display, and use P10 for stage backgrounds that are 10 meters away.​ ​Choosing the wrong specification is like looking at a mosaic with a telescope​​
• ​​Light transmittance​​: The key indicator of transparent screens, 86% light transmittance means that you can still see the products in the window through the screen, and less than 50% will become frosted glass.
• ​​Radius of curvature​​: How far can the screen bend? Some products can be transported into cylinders with a diameter of 30cm and then expanded during installation.

A friend from a clothing store complained to me that the flexible screen I bought did not meet the standard curvature and was covered with wrinkles on the curved window, which looked like a burnt dress from a distance.

2. Price fog: What is the difference from thousands to hundreds of thousands?

Sprinkle cold water first——​​Don't believe "price butcher"​​! The price difference of flexible screens mainly lies in these aspects:

​​Material cost​​：

• Aviation aluminum-magnesium alloy box vs ordinary iron box
• Imported silicone sealing strip vs ordinary rubber
• Nanocoated anti-fingerprint vs glossy treatment

​​Technology premium​​：

• Supports intelligent photosensitive automatic brightness adjustment 30% more expensive
• Pre-maintenance design (can be repaired without removing the entire screen) 50% more expensive
• Can withstand the extreme temperature of -40℃~85℃

To give a real case: a music festival uses a flexible screen that can be rolled up and transported. Although the purchase price is 40% more expensive, the transportation costs and construction time saved are more cost-effective.

3. Guide to avoid pits: If you don’t pay attention to these three details, you will regret it.

Last month, a fan sent me a private message, and the color blocks appeared after three months of using the screen. I returned to the factory to repair it only after I found out:

1. ​​Lamp bead packaging process​​：

   • COB package is more expensive than surface patch (SMD) but more anti-collision
   • Looking at the welding joints of the lamp beads with a microscope, those with burrs are definitely inferior products

2. ​​Protection level​​：

   • Outdoors must start with IP65
   • IP67 is required by sea/high humidity areas
   • Test method: Use a shower to rinse for 2 minutes while the machine is turned on

3. ​​Control system​​：

   • Need native matching control card
   • Supports mobile APP debugging expensive but convenient
   • Redundant signal backup is 30% more expensive, but the screen will not be black during performances

4. You may not even think of these gods.

Nowadays, flexible screens are not just luminous boards:

​​Showcase Transformation Note​​：

• It is transparent glass during the day
• Automatically become an advertising screen in the evening
• Switch to security monitoring late at night

​​Stage black technology​​：

• Deformation with the rhythm of music
• Actor trampling triggers special effects
• 360° ring encircling the audience

​​Commercial complex​​：

• Columns are packaged into luminous trees
• Automatically induction playback promotional information
• Anti-slip tips are displayed on rainy days

A shopping mall transformed the elevator shaft into a giant flexible screen, and the space shuttle animation was displayed when the elevator was lifted and lowered, and the passenger flow increased by 25%.

5. Personal advice: bring these three sets during acceptance

After working for so many years, I have summarized a universal acceptance plan:

1. ​​Highlight flashlight​​: Do not leak light more than 1mm at the joints of the screen
2. ​​Color card book​​: Comparing the NTSC color gamut coverage rate, less than 90% of the defective products
3. ​​Thermos cup​​: Pour boiling water close to the screen (don't really touch it), if the fogging is incorrect

Finally, I would like to say the heart-wrenching words: buying a flexible screen is like finding a partner.​​Just looking at the face (display effect) is not enough, but also depends on the internal (radiation structure) and family background (after-sales service)​​. Some manufacturers are so sarcastic that they don’t even have technical guidance when installing. No matter how cheap this is, you can’t take it!

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