Hey, you said this big screen, where can I install it to be cool and not wasteful?

When we go shopping, we can always see all kinds of big luminous screens, right? Some are hung on the outer walls of shopping malls to dazzle people, and some are spread on the ground so that people dare not step on them. Last week, my friend opened a hot pot restaurant and insisted on installing an LED floor tile screen in the lobby. As a result, customers were afraid to leave even with hot soup in hand - you see, this is because they didn't choose the right place!

Core question: What kind of venue is considered a "prime location"?

Let’s start with a real case: A certain coastal city shopping mall installed a 10-square-meter LED poster screen opposite the elevator shaft. After three months, the click-through rate soared by 200%. Why? ​ ​People waiting for the elevator stayed on average for 82 seconds, exactly watching the 15-second commercial carousel five times.​ ​! Therefore, when choosing a location, you must consider where people will be "forced to stay."

​​Three elements for golden site selection:​​

1. ​​People flow intersection​ ​: Escalator entrance, security checkpoint, cashier counter
2. ​​natural sight focus​ ​: Central axis of building facade, end of corridor
3. ​​Ambient light controllable area​ ​:Avoid direct sunlight and at least 3 meters away from windows

Hidden doorways installed indoors and outdoors

​​Don’t step into these three major indoor minefields:​​

• When the temperature of the hot pot restaurant floor tile screen rises to 45°C, the color deviation can reach ΔE>5 (normally it should be <3)
• If a screen is installed in a children's playground below 2 meters, the monthly maintenance cost will increase by 30% (you know, the naughty kid is in debt)
• Is the main screen of the conference room facing the window? Wait and see the reflective version of the "mirror"!

​​Outdoor life-saving configuration list:​​

• The waterproof level is at least IP65 (it is as stable as an old dog even in heavy rain)
• Brightness reference value = ambient illumination × 1.5 (for example: if the sun is 100,000 lux at noon, the screen must be adjusted to 5000cd/m²)
• Windproof brackets should be installed in typhoon areas, and the distance between screws should be increased to 15cm.

The numbers don’t lie: These are the most popular sizes

I dug through more than 20 project data and found:

Here is a counter-intuitive discovery:​ ​The convenience store checkout counter is equipped with a 0.6㎡ vertical screen, and the click-through rate for promotions is 47% higher than that of the horizontal screen.​ ​! Because when people stand and look down at their mobile phones, their eye level is exactly aligned with the middle of the vertical screen.

Just pretend and don’t care? Be careful of becoming a "disposable product""

The most outrageous case I have ever seen: A gym installed a screen in the locker room, but due to the high humidity, the power module had to be replaced three times in three months. Later, a dehumidification box and cooling fan were added.​ ​Maintenance costs are directly reduced from 2,000 to 300 per month​​。

Must-do daily maintenance:

1. Clean dust every week (dust accumulation is 1mm thick, brightness attenuation is 18%)
2. Check joints monthly (oxidation can cause color patches)
3. Calibrate color every quarter (use a colorimeter to measure ΔE value)

Do you understand now? A good screen must not only be hard-core, but also must be able to "pick places." Just like stir-fry, no matter how good the ingredients are, it will still taste unpalatable if the heat is not right. The next time you see the blinding advertising screens on the street, you will know the clue - "I'm afraid it will cost a lot of money to install a P4 pitch screen here!" "

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