Aug 19.2021

How to Choose the Best Dot Pitch for LED Display?

The definition of dot pitch

What is pixel pitch?

What is Pixel Size?

What is the impact of having a higher/lower dot pitch?

What is the relationship between dot pitch and led display?

How is dot pitch related to led display?

How to choose the best dot pitch for your need?

Conclusion





It's when the pictures are fluid and there are no gaps, to be precise. While there are a variety of theories about the ideal ratio and measurement, most experts believe that 1mm is a reasonable pixel pitch for an 8-foot viewing distance.

 

The definition of dot pitch

 

Dot pitch, sometimes known as "pixel pitch," is a measurement that determines how crisp a display is. It calculates the distance between the dots that make up the image displayed on the screen. This is a relatively short distance that is usually measured in millimetres. The sharper the image, the smaller the dot pitch.

 

CRT monitors and flat-screen displays both have dot pitch. While some large-screen CRTs have a dot pitch of 0.51 mm, many computer displays have a dot pitch of 0.25 to 0.28 mm. Similarly, the dot pitch on most LCD panels is between 0.20 and 0.28 mm. Dot pitches as low as 0.15 mm are found on some high-end screens intended for scientific or medical images. These screens are frequently several times more expensive than consumer displays of comparable size.

 

While the phrases "dot pitch" and "resolution" are synonymous, their meanings are distinct. The resolution of a display refers to the number of pixels that may be displayed on the screen. A 20-inch monitor, for example, might have a maximum resolution of 1680 x 1050 pixels. Whenever a display is set to its native resolution (usually the highest), one pixel per dot may be displayed. The pixels would be larger than the dots utilised to display the image on the screen if the resolution is decreased. Each pixel is assigned to numerous dots in this scenario.

 

What is pixel pitch?

 

Pixel pitch is a term that refers to the pixels density or clusters of LED over an LED display and is related to the resolution. Pixel pitch, often known as dot pitch or LED pitch, is a distance measured in millimetres between the centre of one pixel and the centre of the subsequent pixel. A narrower pixel pitch suggests there is less space between pixels, as pixel pitch shows the amount of space between two pixels. This translates to increased pixel density and screen resolution.

 

Key Takeaways:

 

  1. * The pixel density is referred to as pixel pitch.
  2. * Higher pixel density and resolution are indicated by a smaller pixel pitch.
  3. * The pixel pitch is significant because it affects the viewing distance.
  4. * The closer the viewing distance, the lower the pixel pitch.
  5. * The pixel pitch value is determined by the ideal viewing distance of your screen.

 

What is Pixel Size?

 

Each individual LED over an LED wall is referred to as a pixel. The pixel pitch number shows both the minimum viewing distance in metres and the distance between LEDs on the wall in millimetres. A viewing distance of 2-3 times the pixel pitch number in metres is usually recommended. LED displays' pixel pitch influences both viewing distance and visual performance.

 

The lower the pixel pitch, the closer the LEDs on your display are spaced, and the closer your video board's viewing distance. A 2 of pixel pitch allows viewing from just two metres away, but a pixel pitch of 10 necessitates looking from at least ten metres away to provide optimal detail.

 

Pixel pitch is frequently denoted by a "P" after the number. For instance, Panel or LED wall, would have a 10-pixel pitch. For strictly outdoor applications, pixel pitch could reach 40, whilst certain manufacturers are starting to produce systems with pixel pitches as low as one.

 

What is the impact of having a higher/lower dot pitch?

 

Pixel pitch is significant since it determines the display's ideal viewing distance. Lower pixel pitch values result in better detail with a smooth border in an image. This permits the spectator to get near the screen without being distracted by pixel recognition. The rule of thumb when it comes to pixel pitch and viewing distance would be that of a pixel pitch that is smaller for a closer viewing distance. A greater pixel pitch, on the other hand, lengthens the minimum viewing distance. As a result, a 1.2mm screen has a greater resolution and a closer ideal viewing distance than a 16mm screen.

 

While increasing pixel density results in better visual quality, it is not always the best option. The increased pixel density is designed to allow for a nearer viewing distance. Higher density of pixel density lacks the visual benefits at a longer viewing distance and only raises the display's cost.

 

What is the relationship between dot pitch and led display?

 

When shopping for a display, you'll frequently hear resolution figures, such as "1080p" or "4k" displays. The pixel pitch of your LED wall is a clear indicator of its resolution potential: The higher the possible resolution, the lower the pixel pitch. Using the normal rules of thumb for pixel pitch plus distance, 1080p resolution is available for most LED wall applications. A pixel pitch that is lower pixel could be necessary if you want higher resolution. However, the image quality and material you're displaying on the LED wall is a crucial factor to consider. For instance, regardless of the pixel density, a low-quality photograph will yield low-resolution results.

 

While the resolution is important, it does not always imply that it is superior! Higher pixel density is associated with a lower pixel pitch. Because there is more LED on a single panel with a higher pixel density, the LED screen will likely be more expensive and require more care. The viewing distance and visual performance of an LED screen are also affected by the pixel pitch.

 

How is dot pitch related to led display?

 

When selecting an LED screen, business owners should evaluate the intricacy of their display content as well as the resolution that will be required to present it. For example, if the screen is used to display simple text and logo animation, a high-resolution LED display isn't required. Business owners must assess the display LED pixel pitch is the most cost-effective for their needs. A combination of cost and resolution will always be the best option.

 

Greater resolution is always provided by a smaller pixel pitch, but it is more expensive. Because more LED clusters are required to achieve a higher pixel density, materials and production costs are higher for a narrower pixel pitch.

 

By identifying the appropriate viewing distance for their LED screen, consumers can get the most out of their investment. The optimal viewing distance is the position at which visual fidelity is maintained, but image quality degrades or the screen appears pixelated if the observer moves significantly closer.

 

A display with interactive touch solutions, for example, will require a low pixel pitch to generate crisp visuals for adjacent viewers. An LED panel hung above spectators, such as one in an arena, could, on the other hand, get away with a greater pixel pitch. The quick answer is that a lower pixel pitch always results in a higher-quality image, but the investment will be wasted if the screen is not viewed from a near enough distance.

 

In the industry, there are three methods for determining an appropriate viewing distance:

 

  1. * The 10x Rule is a quick way to calculate an approximate estimate of the Visual Acuity Distance.
  2. * The formula is as follows: Approximate Viewing Distance in Feet = Pixel Pitch x 10
  3. * Visual acuity distance also referred to as retina distance, is a formula that determines how far a person with 20/20 vision must walk away from an LED screen to view a coherent, non-pixelated image.
  4. * Pixel Pitch x 3438 = Visual Acuity in Millimeters is the formula.
  5. * The Average Comfortable Viewing Distance - this is an estimate of what most people consider to be a comfortable viewing distance. This is a subjective estimate that takes into account factors such as a person's content resolution, eyesight, and content genre.

 

While these methods are helpful, there is no one-size-fits-all solution for measuring viewing distance. The viewing distance of a screen is ultimately determined by the screen's owner.

 

How to choose the best dot pitch for your need?

 

Resolutions will differ based on the total screen size. A minimum of 9 point font can be displayed based on the size of the screen. For interior viewing, pixel pitch normally ranges from 4mm to 20mm; for outdoor watching, pixel pitch could range from 25mm to 50mm or higher-outdoor LED screens tend to be bigger than indoor LED screens due to the greater viewing distance.

 

There are two considerations to consider when determining the pixel pitch of an LED screen. When choosing pixel pitch for an LED panel, it's necessary to think about how far away the viewers will be from the screen.

 

The following is a general formula for determining the best viewing distance:

 

(0.30.8) / pixel pitch (mm) = Optimal viewing distance (mm)

E.g., A 16mm pixel pitch LED panel's best viewing distance is 2053 metres; viewers at 25 metres can easily detect the LED screen; however, those seeing from a longer distance, such as 54 metres, will have reduced, but adequate, clarity.

Clear LED screen resolution Because LED transparent displays are modular, resolutions will vary based on the total screen size. A minimum of 9 point font can be displayed depending on the screen size.

 

Conclusion

 

When choosing a transparent LED screen, the smaller the pixel pitch, the greater the resolution and sharper and clearer the image; however, pixel pitch has a significant impact on the panel's cost and maintenance. When deciding on pixel pitch, business owners should think about the cost, the application, and the LED display's goals.