Projectors and LCDshave lost a substantial amount of market share to LED display screens, which have emerged as the preferred alternative for video wall applications.
Leds fall short in a few situations, however, and LCD steps in to save the day.
For instance, LCD becomes the sole option when a person requires a compact screen with a high resolution. Projectors are a good option for someone who prefers low ambient light levels.
However, there is no disputing the fact that leds are indispensable and work best for video displays.
Leds are able to perform at their finest without experiencing burns like LCD video walls because of their great contrast, better brightness, and cost-effectiveness.
Even so, they are much superior than LCDsin terms of calibrating since it is likely that one LCD will have a different color balance from the others when they are grouped in an array.
Overall, LCDsfall short of expectations, and as a result, leds have taken the lead.
The actual issue, however, is how to choose the ideal LED display. Yes, it’s crucial to ascertain the needs before making aPTCLed purchase.
Don’t expect it to be simple since choosing an LED is a difficult and time-consuming procedure.
Therefore, it’s crucial to look for answers to the following three questions in order to make it somewhat sensible and simple with the efforts:
Where are they used?
First, it’s important to understand where and why they will be used.
Companies may replace conventional media with leds since they are adaptable and can work in a variety of settings, eliminating the need to print or employ antiquated display technologies like projector screens and LCD panels.
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Here are some situations when installing leds is necessary and often used:
Ceiling Hanging:
Ceiling hung installation of leds is suitable for indoor or semi-indoor usage since they do not need any physical area, hence saving a lot of space.
These installations are suitable for places like entrances, hallways, events, stations, etc. In addition to indoors. For this installation to support additional weight, you must, however, utilize small to medium-sized displays.
Wall-Embedded:
This installation style is suitable for both indoor and outdoor uses. To improve the overall aesthetics of the room, this approach calls for flushing or embedding the LED display into the wall.
The installation of an LED screen only has to be designed and planned for since a steel frame is required to hold it.
One of the most well-known and well-known installation techniques for both indoor and outdoor spaces is wall mounting. The LED display panels need to be supported on the wall by a specially constructed steel frame bracket.
Advertising boards and IP68 outdoor LED displays need this form of installation, which may be single or double pole.
In addition to the steel poles, a substantial concrete foundation must be built underground for the whole structure to remain in place for whatever long it is required.
LED display displays, also known as overhead screens or overhead panels (OHP), must be mounted on a separate steel frame before they can be integrated into an existing pedestrian bridge.
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Mobile Application:
Due to the installation of a full display system on mobile vehicles like vans, trucks, or buses, this technique has gained popularity over the last several years.
They are often required for backgrounds or display ads with sound reinforcement systems.
What kind of environment does it favor?
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The capacity to withstand weather conditions is what makes outdoor and interior LED displays significantly different from one another. Typically, it is assessed using an Ingress Protection (IP) Rating, the specifics of which are provided below:
Differences in brightness, which are expressed in nits or cd/m2, exist between LED screen display panels used inside and outdoors.
More visibility in bright light is guaranteed by higher measurement, and vice versa. In light of the above, outdoor LED displays are equipped with high brightness, ranging from 4,500 nits to 7,000 nits.
Indoor LED displays, on the other hand, don’t need as much light, thus they don’t have this requirement.
How far away should I watch something?
The viewing distance is the last but no less significant factor to take into account after learning about the application technique and the acceptable ambient conditions.
The individual must ascertain a reasonable distance in order to calculate the pixel pitch appropriately. Remember that without this information, the ideal visual clarity would not be possible.
As a general guideline, choose a pixel pitch (measured in mm) that is appropriate for the viewing distance (measured in m).
For instance, an LED display screen must be no thicker than 4mm for a 4m viewing distance. For the best visual clarity, consumers should choose a narrow pixel pitch, such as 1mm.
The image will be pixelated if a higher pixel pitch, such as 10mm, is chosen.
You may use the following calculation to get the proper pixel pitch:
- Pixel pitch = viewing distance, measured in minimum meters (mm)
- Ideal viewing distance = Pixel pitch (mm) × 3 x 1000 (mm)
Consumption of energy
In addition to the three problems mentioned above, power consumption is an important consideration.
Before making a purchase, consumers should be aware of the power consumption of LED displays since every kind of product produces a different outcome.
To do this, they must consider the power needs of each pixel and figure out the overall amount based on the number of pixels in the screen.
Conclusion
After reading this article, a person will be equipped with the knowledge necessary to design a proper LED video panel that will not only improve their visual experience but also enable them to save money by reducing their power costs.
