Have you ever encountered this situation - the display screen you paid a lot of money to buy is installed in the exhibition hall, but it is either so reflective that you can't see it clearly, or the audience's neck is tired from standing there? To be honest, when I first entered the industry, I installed a screen directly opposite the fire escape in the science and technology museum project. As a result, I was asked to dismantle and reinstall it on the day of the launch... Today we will talk about this site selection problem that makes novices crazy.

Let me show you some data first: the 2023 industry survey shows that,​ ​63% of display complaints​ ​All result from improper selection of installation location. Don’t think that just choosing an empty wall is enough, there are many ways to do it!

​​First understand these three fatal misunderstandings​​
The most outrageous case I have ever seen is to install a 4K high-definition screen on the back of a spiral staircase - the audience has to twist to see the screen. Remember these three pitfalls that you must not step into:

1. ​​Installation facing the glass curtain wall​ ​: When exposed to direct sunlight, the screen will turn into a "mirror", with a measured brightness loss of 75% in a car showroom.
2. ​​Hanging more than 3 meters above the ground​ ​: Audiences will feel dizzy if the average elevation angle exceeds 30 degrees, especially in the children's exhibition area
3. ​​Close to air conditioner outlet​ ​: The deformation of the screen caused by the temperature difference will cause the splicing seam to expand by 2-3 mm.

Once I was helping a furniture exhibition hall debug equipment and found that their screen was installed directly under the central air conditioner. As a result, during heating in winter, the temperature of the upper half of the screen soared to 45°C, while the lower half was only 18°C, resulting in serious color distortion. Later, it was changed to a position 3 meters away from the air outlet, and the failure rate was directly reduced by 80%.

​​Golden site selection formula: 1 core + 3 elements​​
Here comes the point! Remember this universal formula:​ ​Sight axis of core exhibits × (distance from power source + direction of people flow + wall load-bearing)​ ​. Last year, in the dinosaur fossil exhibition area of ​​a certain museum, the main screen was installed 5 meters directly in front of the fossil's eye socket based on this logic, and the visitor's dwell time increased by 2.6 times.

The specific operation is divided into three steps:

1. Take out your mobile phone and take a picture of the entire exhibition hall, marking it with a red sticker​ ​Power outlet location​ ​(80% of the installation fee is spent on pulling wires)
2. Draw along the audience’s entrance route​ ​Z-shaped moving line chart​ ​, find at least 3 natural stopping points
3. Use a laser pointer to test on the wall to make sure​ ​The main viewing distance is 3-8 times the screen height​ ​between

There is a trick you may not have thought of - tilt the screen slightly by 5-10 degrees. This not only avoids facing the light source, but also allows viewers on both sides to obtain a comfortable viewing angle. Actual measurements in the exhibition hall of a technology company showed that after tilting the installation, the viewing clarity of the areas on both sides increased by 40%.

​​How to solve special scenes? ​ ​
Encountered a pillar blocking your view? Try this trick: cut the screen into an "L-shaped" wrapped cylinder, remember to select​ ​Flexible splicing lamp bead module​ ​. Last year, a jewelry exhibition used this method to turn annoying load-bearing columns into dynamic display walls.

What should I do if the floor height is not enough? In an old factory building renovation project I participated in, a 6-meter-wide screen was installed on a 4.2-meter-high floor. Last adopted​ ​Top concave installation method​ ​, the upper part of the screen is embedded in the steel structure ceiling, which not only ensures the integrity, but also eliminates the need to smash the wall and modify the structure.

​​Why do professional teams always test three times? ​ ​
Once I curiously asked the master: "Why do you measure the size once in the morning, noon and night?" "He pointed to the sun outside the window: "The slanting light in the morning and the overhead light at noon will make the shadow of the wall 20 centimeters different!" "Although the newly built smart screens now have automatic brightness adjustment,​ ​Wrong choice of base position​ ​, no matter how good the technology is, it cannot be saved.

There is an interesting trend recently:​ ​Pre-installed digital twin system​ ​. Through 3D modeling, light and shadow changes at different periods of time are simulated in advance, and even the reflective areas of the screen can be predicted. Although it takes an extra three days to prepare, 83% of secondary disassembly and assembly losses can be avoided.

The editor finally has something to say from the bottom of my heart: Choosing a location for an exhibition hall screen is like falling in love. You can’t just look at your appearance, but you have to consider whether you can “live a good life”. When planning next time, lay out the floor plan of the venue first and walk around three times to find the audience’s true perspective. It will work better than any high-tech solution!

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