Alas, friend! Are you worried about buying an LED display? Looking at the cool big screens in the mall, I feel itchy and want to make a difference, but I am afraid of being fooled by the merchants? Don’t panic! Today we will break it apart and talk about this matter-​Where to buy LED display?​? I bet that after reading this article, you will be able to avoid 3 pitfalls!

1. First understand what kind of screen you want to buy

(Knock on the blackboard) Here is a truth:​Buying the wrong one is more terrifying than buying it for more expensive!​​ Let’s first look at the basic knowledge points of the disk:

• ​​Pixel spacing (P value)​​: To put it bluntly, it is the distance between the small lamp beads on the screen. The smaller the number, the clearer it is. The P3 screen is several times more expensive than the P10! For example, P6 is enough for advertising large screens in shopping malls, but P1.5 may be required for high-end conference rooms.

• ​​Brightness range​​: The indoor screen is 800-1500cd/m² enough, but it must be 4000+cd/m² outdoors! Have a cold knowledge—​Exceeding brightness will hurt your eyes​, I have seen some shops adjust the screen to 8000cd/m² during broad daylight, like a searchlight

• ​​Waterproof grade​: Start with the outdoor screen to identify IP65! Last year, a supermarket chain bought IP54 screens with cheap prices, and the screens were directly spilled in typhoon days.

• ​​Refresh rate​: Those who do live broadcasts or videos must be above 1920Hz! Otherwise, if the photos are all full of water ripples, don't ask me how I know

2. How to choose a reliable purchasing channel

(The key point is here!) Now, there are these 4 main ways to buy LED screens:

1. ​Direct purchase by manufacturer​: Suitable for those who need customized services. For example, if a customer who is doing a concert directly finds a manufacturer to make a detachable aluminum-magnesium alloy box, saving 30% of the transportation fee for the two-month tour.

2. ​System Integrator​: Suitable for novices who don’t understand technology at all. They are responsible for installation and debugging, but the price difference between the middlemen may pay 15%-20% more

3. ​Online platform​: Most of the agents found on Dong and Taobao are found.​The key is to see if there are ISO9001 and 3C certifications​​! Last year, I helped my friend inspect the goods, and 3 out of 10 companies could not come up with certificates.

4. ​Second-hand market​: The deepest water! I have seen a new 99-year-old rental screen, and the attenuation rate of lamp beads exceeds 20%.

3. Don’t step on these pitfalls!

(Phone the thigh) A bloody lesson, friends:

• ​​Only look at the price, not the warranty​: A restaurant owner bought a three-year warranty screen with a cheap picture, but the controller broke down the second year and the manufacturer ran away long ago

• ​​Ignore the installation environment​: Last year, a gym installed an indoor screen next to a sauna, and it became more and more slumbered in three months under high temperature and high humidity.

• ​Blindly pursue parameters​: I have seen a rich man insisting on installing a 4K ultra-high-definition screen in the warehouse. The actual viewing distance is 20 meters away, which is purely a burning money

• ​​Ignore after-sales service​​: The key is to see if there is a 24-hour technical response! Once, the large screen in the mall was black in the middle of the night, but fortunately the manufacturer repaired it remotely for 2 hours.

4. Procurement secrets that experts know

(Step your ears) These few tricks can help you save real money:

1. ​Sample test​: Require a 30x30cm test module to use the phone to take a slow motion video to see if there is any flashing

2. ​​Aging test​: Regular manufacturers dare to show you the test videos that are played continuously for 72 hours

3. ​Contract details​: The brand of lamp beads must be written (for example, using Riya or Kerui is 15% more expensive than miscellaneous brands but has a lifespan of 3 times longer)

4. ​Payment method​: Leave 10% of the final payment to be accepted and paid after payment. I have seen too many cases of finding dead points after cash on delivery

5. Global cases tell you how to choose

(Say a chestnut) Take a look at these practical application scenarios:

• ​​Singapore curved advertising screen​​: Use P4 spacing + intelligent brightness adjustment, and you can still see clearly under the sun at noon, and save 40% of the average monthly electricity bill.

• ​​Korean transparent window screen​: 86% transmissivity is not blown. It is glass during the day and the screen changes at night, and the store’s customer flow is directly doubled.

• ​​Stadium fence screen​: IP65 waterproof + anti-glare treatment, the game broadcast is still as stable as a dog on rainy days

Personal opinion time

After working for so many years, I discovered a rule—​Buying an LED screen is like finding a partner. Just looking at the face (display effect) is not enough, but also looking at the inner (stability and after-sales service)​​. In order to save ten thousand yuan, some customers choose miscellaneous brands, but the repair fee for two years is enough to buy a new screen.

There is a very interesting trend recently:​Intelligent adjustment becomes a necessityNow! For example, some high-end screens can automatically adjust the brightness according to ambient light, and can also remotely monitor temperature and humidity. Last time I met a shopping mall manager and directly watched the operating status of each screen on my phone, which was very worry-free.

Finally, I would like to say a heartfelt word: buying a screen,Finding someone who knows everything is more important than bargaining​. After all, it is difficult to disassemble if you install this thing. If you choose the right one, you can last for five or six years. If you choose the wrong one, you will be upset every day. Do you think this is the reason?

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