Posted On 27 Jun 2022


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Resolution, viewing distance, and pixel pitch

In the LED screen sector, there are some jargons or technical terms that are frequently used. Pixel pitch, resolution, viewing distance, and viewing angle are a some of the technical terms employed.

It is not necessary for you to become familiar with the jargon as a user or customer. LED screens are still suitable for usage in commercial applications.

However, there is no harm in knowing some jargons if you want to learn more about your equipment.

Let's start now.

Pixel Pitch: What is it?

A pixel is an individual RGB LED or LED chip. The distance between the centres of two consecutive pixels is known as pixel pitch.

Millimeters are used to measure pixel pitch (mm). P2.5 LED screen are typically used to describe LED screen having a 2.5mm pixel pitch.

P4, P5, and P10 LED displays are a few examples of additional LED screen. The LED screen pixel pitch is indicated by the digit that follows the letter "P."

P4 LED screen have a 4mm pixel pitch, whereas P10 LED screen have a 10mm pixel pitch.

Resolution – what is it?

The maximum number of pixels that an LED screen is capable of displaying is known as resolution.

The width and height of a video are always given as two numbers. 1920 x 1080 and 1280 x 720 are two examples of typical resolutions.

1920 x 1080 is the size of full HD resolution. The width is indicated by "1920," and the height is indicated by "1080."

What function does the resolution serve, though?

The quality of the image is directly correlated with resolution. Sharper and better visual quality can be achieved with high resolution. This is due to the fact that, for a given screen size, a high-resolution display has more pixels than a low-resolution display.

A pixel in digital imaging is a portion of an image. Multiple samples combine to create a digital image. The image will appear better because it is more defined with additional samples.

What does viewing distance mean?

The distance at which picture quality or the best viewing experience are maintained is known as the ideal viewing distance.

The image displayed on the LED screen will look pixelated as you get closer to it and extend your reach beyond the minimum viewing distance. At this stage, you will be able to make out individual LED screen pixels.

You should think about the pixel pitch of the LED screen being used and the size of your room or space to determine the ideal viewing distance for your application.

If the pixel pitch is narrower, the minimum viewing distance will be shorter.

LED screen with a smaller pixel pitch are preferable if your room is smaller since they have a closer viewing angle.

You simply need to consider the pixel pitch to determine the minimum viewing distance. The minimum viewing distance will be 5 metres, for instance, if the pixel pitch is 5mm.

You must multiply the minimum viewing distance by three in order to determine the ideal viewing distance.

How Pixel Pitch, Resolution, and Viewing Distance Relate to Screen Size

Some of the most crucial elements we must take into account while installing an LED screen include pixel pitch, screen resolution, and viewing distance.

The importance of these three elements to screen size is likewise significant.

An LED expert will first inquire about the client's project when he receives an enquiry. The installation size is one of the most important pieces of information.

The size of the room is the next crucial detail. The LED specialist can use the size of the room to assist them choose the ideal pixel pitch, screen resolution, and viewing distance.

It would be absurd to put an LED panel with a pixel pitch more than 5mm in a small room that is just 5 metres wide, for instance. The minimum viewing distance for a P5 LED screen is just 5 metres.

Consider a client who wishes to mount an LED screen on a wall that measures 4.9m x 2.7m. The nearest seat to the screen in this conference room is 3 metres away.

Installation size for LEDs

Any pixel pitch that is less than 3mm is appropriate, considering the size of the space and the location of the closest audience. This is due to the minimum viewing distance of 3 metres or less for pixels with a pitch of 3mm or less.

Finding the screen resolution is the next step. The three most popular resolutions for digital displays are 720p HD, Full HD, and Ultra HD.
Divide the screen size by the screen resolution to determine the pixel pitch for a certain screen resolution.

The computation is completed, and the LED specialist may determine that by fully utilising the available wall space, both Full HD and Ultra HD are possible. Pixel pitches of 2.5mm and 1.25mm are advised.

On the other hand, 720p HD is also feasible but requires a smaller screen.

However, it is possible to design a larger P3 LED Screen with a screen resolution that is higher than 720p but lower than full HD if the client wishes to make the most of the available wall space.

Finally, it is up to the client to decide between a P2.5 LED screen and a P1.25 LED screen based on the needs and financial constraints.


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