Have you ever noticed the moving billboards in the mall? These are actually the credit of the LED display. But it is not easy to install this thing in the right place. Today we will talk about how to choose a location so as not to waste money.

​​The golden rule of commercial space layout​​
Three dimensions should be considered in indoor installation:

• ​​Range of sight matching​ ​: Follow the formula of pixel spacing = viewing distance (meters)/1000
• ​​Brightness adaptation​ ​: The indoor interval is adjustable to avoid overexposure
• ​​Heat dissipation requirements​ ​: Reserved ventilation of ≥0.3m³/min per square meter

For example, a waterproof screen installed in the swimming pool area of ​​a certain gym chain can not only ensure that it can be visible underwater for 5 meters without shaking into the swimmer's eyes. This kind of operation is much smarter than just banging on the screen with a highlight.

​​Special considerations for outdoor environment​​
Three indicators should be kept in mind when installing open-air places:

1. Protection level must reach IP65 or above dustproof and waterproof
2. The brightness range is controlled in the range of 4000-5000cd/m²
3. Structural design with wind pressure resistance ≥2400Pa

The advertising screens of street lights installed in a coastal city fell apart last year, and the salt spray corrosion was not considered, and the result was rusted in half a year. The service life of the nano-coated model was changed.

​​Alternative gameplay for creative scenes​​
Now some places have new tricks:
● The refrigerator in the supermarket's fresh food area is embedded in the screen, and the temperature fluctuates ±2℃ and still operates stably
● The floor tiles screen on the bar dance floor, with a load bearing capacity of 800kg/m² and can follow the music rhythm
● The rotating booth screen of the car 4S store, displaying model parameters at 360° without blind spots

A friend who runs a hot pot restaurant showed off to me. They were passing on the menu screen of the menu, changing a special dish in the kitchen, and immediately showing that the wrong orders were reduced by 40%. The advantage of this real-time update is really unmatched by paper menus.

​​Hidden knowledge points for maintenance​​
Everything will not be fine after installation of the equipment. Remember to keep it in mind for daily maintenance:

• Clean the heat dissipation holes every week, and the accumulation of dust exceeds 1mm thick will affect 15% of the heat dissipation efficiency
• Check the power connector every month, the oxide layer exceeds 0.3mm and must be replaced
• The color is calibrated every quarter, and the color difference ΔE value must be controlled within 3.0.

The 200㎡ curved screen in the atrium of a shopping mall insists on quarterly calibration, and the color consistency can still be maintained at more than 92% after three years. This money is worth spending, which is much more cost-effective than replacing a new screen in two years.

Now some projects have begun to play intelligent linkage, such as automatically adjusting brightness based on traffic, which is said to save 30% of the electricity bill. I have to say that you can’t just watch the fun when choosing a location. You have to think about how to make the screen and the environment achieve each other. This is the real ability.

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