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2025-09-17 54
Are you also having a headache about "choosing LED display"? There are a variety of products on the market, and the parameters are dazzling. P1.2, low brightness and high gray, refresh rate of 1920Hz... It is even more difficult than reading a book of heaven! Don’t panic. Today, we will use the most down-to-earth plain language to break up the matter of “Where to buy a small-pitch LED display” and break it down and explain it clearly.
“What is a small spacing?
To put it bluntly, the gap between the LED lamp beads is particularly small (for example, P1.2 means the spacing is 1.2 mm). This thing is like the pixel density of a mobile phone screen - the smaller the gap, the more delicate the picture. Nowadays, high-end conference rooms basically use small-pitch screens below P2, while super large screens like concerts use large-pitched screens, after all, the audience is far away.
Why do we say "low bright and high gray"?
This is not a fooling manufacturer! Once the ordinary LED screen is turned down, the picture becomes gray like a layer of fog. for real Low bright high gray technology It can allow the screen to retain grayscale details above 256 levels at indoor brightness (such as 800-1200cd/m²). To put it bluntly - you can see the details clearly in the dark, you don’t have any dazzling light in the bright, and you won’t be tired when staring at it for three hours.
The higher the brightness, the better
The outdoor advertising screen starts at 4000cd/m² at any time, but using this brightness indoors can blind your eyes! Indoor selection 800-1200cd/m² , with automatic light sensing adjustment, saves more power. I have a cold knowledge: for every 100cd/m² reduction in brightness at the same resolution, the electricity bill can be saved by 15%.
The resolution must match the signal source
You spent a lot of money to buy an 8K screen, but the front-end device only supports 1080P? It’s like using a tractor to pull a Ferrari - in vain! Remember this formula: Screen resolution ≥ Maximum resolution of signal source . For example, when connecting to a surveillance camera, it must at least support H.264 format.
Don't blindly chase the small points
The P1.2 screen looks great, but the price is twice that of P2! Teach you a tip: Optimal viewing distance (meters) = point spacing (mm) × 3 . For example, choosing P1.0-P1.5 is enough to choose P2.5 from 5 meters away, and choosing P2.5 from 5 meters is more cost-effective.
The cooling design determines life
Although the advertising pictures are beautifully photographed, the "cass" is actually used as an invisible killer. A good small-pitch screen must have Three-dimensional heat dissipation structure + intelligent temperature control , ensure that the surface temperature does not exceed 45℃ for continuous working for 12 hours. I secretly tell you: touch the screen border and pass it directly!
Installation method hidden secret
Pit 1: Only look at the price but not the service
An exhibition company bought a miscellaneous screen with greed for cheapness, but the screen was blacked out three days before the event - the manufacturer said that accessories would have to wait for three months! remember: 24-hour response + local spare parts library It's much more important than being cheaper than three to five thousand. There is a real case: the screen failure of an international sports event on site, and the engineer arrived with a backup module for 2 hours to avoid losses of tens of millions.
Pit 2: Superstitious about imported chips
In fact, domestic driver chips are no longer inferior to foreign brands! The independent chips used by leading enterprises now Refresh rate reaches 3840Hz , even the high-speed moving football can see the patterns clearly. Moreover, the maintenance cycle of domestic chips is half shorter than that of imported ones!
Pit 3: Ignore the content management system
No matter how good the screen is without supporting software, it is a piece of scrap metal! Must ask clearly:
There is an unpopular technique: When attending an industry exhibition, you can directly talk to R&D personnel! At the Shenzhen Optical Expo last year, a customer tested the screen heat dissipation performance on the spot - he took an infrared thermometer to shoot it for half an hour, and he was stunned by the sales.
Finally, I would like to say my heartfelt words: buying a small-pitch screen is like finding a partner, and no matter how good the parameters are, it is not as good as "combining". Must bring it with you Use scene photos + source list Go and chat with engineers, don’t be afraid of appearing to be an amateur – professional matters should be left to professionals!
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