Recently, when I watch short videos, I always see cool pictures of celebrities supporting and voting. Where are those glowing advertising screens hidden? If a novice wants to organize a fan event, how can he find a reliable large LED screen? Don't worry, let's talk about this today.

Let me tell you a real situation first. On the final night of a talent show last month, a fan group rented a 200-square-meter interactive screen. As a result, the voting numbers were not fully displayed, and the on-site director was so anxious that he stamped his feet. This tells us,​ ​Choosing the right LED advertising screen directly determines the success or failure of the event​ ​. So how do you find this kind of display screen dedicated to celebrity voting?

​​First understand three basic concepts​​：

1. The brightness difference between outdoor screens and indoor screens is 3-5 times. Using a brightness of 4000 nits in a shopping mall can make people look like "yin and yang faces""
2. The refresh rate is lower than 1920Hz, and the camera captures all scan lines.
3. Voting data must be updated in real time and requires a dedicated control system

A fan leader complained to me that the voting numbers on the screen he rented at the pedestrian mall last year were always delayed by 5 minutes. As a result, he was ridiculed by rival fans for being "senior machine speed". This is a joke about not choosing the right device. Today's professional voting screens can complete the process from data reception to screen update within 0.3 seconds, which is faster than refreshing WeChat on our mobile phones.

​​Comparison of the five major channels for finding screens​​

Some people may ask: Will it be troublesome to find the manufacturer directly? To be honest, many major manufacturers now provide online services. For example, in the cloud control system developed by a manufacturer in Shenzhen, customers upload voting data on the APP, and technicians debug it remotely. From order placement to installation, it can be completed in as little as 8 hours. Their outdoor screen can also automatically adjust the brightness, so you don’t have to worry about reflections making it difficult to see the numbers in the middle of the day.

​​Pay attention to common pitfalls for newbies​​

1. Just look at the price and ignore the protection level. As a result, the screen will short-circuit in the rain.
2. I haven’t tested the data transmission, and the number of votes always doesn’t match up.
3. Ignored the installation qualification and was asked by the urban management to dismantle it on site.
4. I used a second-hand screen for cheap, and a large area of ​​dead lights appeared on the day of the event.

Last month, a fan group rented a second-hand screen. Halfway through the event, the screen suddenly went black. It was later discovered that the control card was burned out. Professional manufacturers are now equipped with dual backup systems. If there is a problem with the main control card, the backup card will automatically take over in 0.5 seconds, leaving no chance for a black screen.

Speaking of this, you may be worried: Where should I find it? Here’s the key point – find a supplier with a physical factory. Domestic manufacturers that do well have various testing equipment in their workshops. For example, the aging test requires continuous lighting for 720 hours, and the waterproof test uses a high-pressure water gun for 30 minutes. These data can be found on the official website, don’t trust those who can’t produce test reports.

There is an interesting trend recently. Many manufacturers have begun to do "modular leasing". For example, if you want to hold a voting tour in five cities, they can dismantle the screen into the size of a suitcase and transport it, and it can be put together on site in two hours. This method is particularly suitable for support activities that require coordination in multiple locations. It is said to save 40% of shipping costs compared to traditional methods.

The editor finally tells the truth: looking for an LED voting screen is like looking for a partner. You can’t just look at the appearance, you have to look at the inner strength. Next time you see those silky screens displaying voting data, remember that there are more than a dozen technology patents hidden behind them.

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