Hey, want to install a large outdoor LED screen in Lanping? If you don’t know the ropes at all, you’re afraid of being cheated, right? Don't panic! Today we will talk about how to choose a screen without stepping into pitfalls - after all, this is a big guy that has to be exposed to wind and sun every day. If you don't make a good choice, you will become "blind" every minute.

​​First figure out what you want to do​​
Is it advertising at the entrance of the mall? Or holding activities in the square? The screen selection routines can be very different for different purposes. For example, advertising screens must be able to withstand plateau ultraviolet rays all day long, while event rental screens must be light and easy to disassemble and assemble. I heard that some manufacturers can now achieve 86% transmittance of the screen, and it can be installed on the glass curtain wall without affecting the lighting. This technology is amazing!

​​Three elements you must look at before purchasing​​

1. ​​site conditions​​
   First use a tape measure to measure the installation location. Pay special attention to the windproof level in plateau areas. In a place like Lanping where the temperature difference between morning and evening is large, the cooling system is not well done? Xia Tian will show you "spontaneous combustion of the screen" every minute"

2. ​​Display effect​​
   Don’t just listen to sales talking about “4K, 8K”, focus on these two hard indicators:

• ​​brightness​ ​: Outdoors should start with at least 4000cd/m². If it is lower than this number, you will be blind at noon."
• ​​refresh rate​ ​: 1920Hz or higher, so that video can be played without smearing (quietly, now better manufacturers can achieve 3840Hz)

1. ​​Protective properties​​
   IP65 protection is the basic threshold! I have seen some screens turn into "water curtain holes" when it rains, and the maintenance cost is more expensive than buying the screen. It is recommended to choose one with intelligent temperature control, which can be adjusted from -40℃ to 80℃.

​​Many doorways for installation and maintenance​​
• The steel structure must be solid enough, don’t save money on steel materials – do you still remember the news about a large screen in a shopping mall being blown down by the wind last year?
• Three layers of waterproofing are required: module glue filling + box sealing + structural drainage. Any less than one layer would be a hooligan.
• Wipe the screen at least twice a month, plateau dust is no joke (don’t ask me how I know)

​​Personal experience of stepping into pitfalls​​

1. ​​Brightness misunderstanding​ ​: The brighter is not the better! 7500cd/m² is indeed sufficient on the plateau, but such brightness in low altitude areas is purely a waste of electricity.
2. ​​price trap​ ​: Don’t be greedy for cheap and choose second-hand refurbished screens! Regular manufacturers must undergo a 72-hour aging test before leaving the factory. This process does not apply to counterfeit goods.
3. ​​Installation misunderstandings​ ​: Do you think it’s all over after just pretending? Post-maintenance is the big deal! It is important to choose a manufacturer with local service points

​​How to choose a reliable service provider​​
These three points are absolutely correct:

1. ​​Complete qualifications​ ​: ISO9001 is the foundation, and CCC certification is indispensable (I heard that a Shenzhen company has a monthly production capacity of over 10,000 square meters, and 87% of its products are exported to Japan and South Korea)
2. ​​Cases speak​ ​: It depends on the installation examples in the same climate area. Plateau cases and seaside cases are completely different.
3. ​​After-sales commitment​ ​: Those who dare to sign a 5-year warranty are real men. Those who only have a 1-year warranty should pass as soon as possible.

Having said that, LED screens are no longer "monolithic". For example, the newly developed transparent screen has a permeability of 86%. It can be installed on a glass curtain wall without affecting the lighting and can broadcast advertisements. I am convinced by this idea! But having said that, no matter how good the screen is, it needs regular maintenance. Last month, I saw a boss who was reluctant to spend money to clean the screen. As a result, sand and dust blocked the heat dissipation holes. The maintenance fee was enough to clean the screen for ten years...

(Staring at the phone screen and pondering for a long time) In fact, choosing a screen is just like finding a partner—suitability is the most important thing. Don't look at the specs, the key lies in whether the manufacturer is really capable. I heard that some companies can now provide 24-hour technical response. Isn’t this kind of after-sales service reassuring?

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