Have you ever seen the "grid screen" in a shopping mall that can both display advertisements and transmit light? This kind of display screen that looks like a blind is actually a grille LED electronic screen. Many novices want to buy but don’t know where to start, and they are even more afraid of buying fake goods. To be honest, this kind of worry is very normal. After all, there are too many mixed sellers in the market now.

​​First understand what the grille screen is used for​​
This kind of screen with a hollow design is most suitable for three types of places:

1. Shopping mall glass curtain wall (the light transmittance must be ≥80% so as not to block the view)
2. Outdoor billboards (must withstand typhoon and rain, IP65 protection is the basis)
3. Stage background (should be able to be disassembled and assembled quickly, and can be removed half an hour after the performance)

Last week, Xiao Wang, who runs a milk tea shop, complained to me, saying that the grille screen he bought for 30,000 yuan showed "pitting" after two months of use. Later I found out that I used second-hand lamp beads, which is the easiest trap for novices to step on. Therefore, you must pay attention to these parameters before buying: the brightness must be automatically adjusted (800-1200 nits indoors, at least 4000 nits outdoors), and the refresh rate should not be lower than 1920Hz, otherwise the video will be full of water ripples.

​​The three most frequently asked questions by newbies​​
Q: Can I buy those bargains online?
A: Never! I have seen people trying to buy "special price screens" from e-commerce platforms at a cheap price, but it turns out they don't even have CE certification. Regular manufacturers will proactively provide ISO9001 certificates and three-year warranty contracts. Remember to read the physical inspection report.

Q: Will the installation be troublesome?
A: The mainstream nowadays is modular design, which is assembled like building blocks. But pay attention to the material of the box - aluminum-magnesium alloy is 30% lighter than the iron frame and will not rust. A customer installed a screen in Hainan, but not even a single screw had been replaced in three years.

Q: Is the maintenance cost high?
A: This depends on the manufacturer’s technical strength. A good grille screen supports remote monitoring. If any module breaks, the background will immediately alarm. Some manufacturers also provide 24-hour technical response, which is much more cost-effective than hiring a maintenance team yourself.

When it comes to purchasing channels, there are currently three main ways: direct sales from manufacturers, purchasing agents from engineering companies, and second-hand markets. Personally, I suggest you go directly to the source manufacturer, eliminating the need for middlemen and not to mention price differences, and you can also customize special sizes. For example, a customer wanted to install it on a curved exterior wall. The manufacturer directly made a module with an adjustable angle of 15°, which is not much more expensive than the standard product.

The editor has two final words: Don’t just focus on the price. Some merchants will quote you low prices but will rip you off on shipping fees. It is best to choose a manufacturer with a monthly production capacity of more than 10,000 square meters. Enterprises of this size generally have their own logistics system. By the way, I heard that screens exported to Japan now must pass JQA certification. The quality of manufacturers that can obtain this certification is absolutely reliable.

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