Jan 10.2024

Pixels by the Square Meter: Master the Math of LED Video Wall Density

What Is Pixel Density?

Units Used to Measure Pixel Density

Impact of Pixel Density

How to Calculate Pixel Density

Different Factors to Consider When Choosing Pixel Density

Best Practices

Unilumin





What Is Pixel Density?

 

Pixel density quantifies the number of pixels in a digital image to describe the clarity of the image. Generally speaking, the higher the picture density, the clearer the image.

 

Units Used to Measure Pixel Density

 

Depending on where you are in the world and the size of the image, you may use one of several measurements to describe pixel density.

 

Pixels Per Square Meter

 

Pixels per square meter explains how many pixels are in each meter of an image. Pixels per square meter is used in the majority of countries around the world (wherever the metric system is used). 1 meter equals roughly 40 inches, making it particularly useful for larger screens.

 

Pixels Per Square Inch (PPI)

 

Pixels per square inch (PPI) is used in America. PPI describes how many pixels are in each inch of an image. The higher the PPI, the higher the quality of the image. Since inches are a much smaller unit of measurement, it can be used to describe clarity on screens of many sizes.

 

Impact of Pixel Density

 

Visual Clarity

 

Visual clarity refers to the ability of viewers to clearly process the information they see in an image. The visual clarity involves not only pixel clarity but also the page design of the image. The design should draw the viewer to important information.

 

Viewing Distance

 

It's recommended that viewers stay at least 1.5 times the vertical length of an LED screen. Large screens can be seen by more people when they utilize a wider aspect ratio.

 

Most graphics fit into an aspect ratio of 16:9. However, you can get ultrawide graphics with an aspect ratio of 21:9. Ultrawide screens provide a more immersive experience, and they can show more on the screen.

 

Content Resolution

 

Low pixel density can result in highly pixelated, unclear images. When you choose Unilumin for your LED signage needs, you can trust that your graphics will be clear. However, you'll need to choose between full high definition (FHD) at 1920x1080 pixels or ultra high definition (UHD) at 3840x2160 pixels.

 

It's not enough to have high pixel density in order to display a clear image. The technology also needs a high pixel clock rate. The pixel clock rate describes the speed at which the pixels are transmitted. High end AV cords can transport pixels at a higher rate than old, inexpensive cables.

 

How to Calculate Pixel Density

 

To calculate Pixels Per Square Meter, use the following formula:

 

Number of pixels ÷ size of the image in square meters = pixels per square meter

 

Different Factors to Consider When Choosing Pixel Density

 

Viewing Distance

 

If you need to look at a particular image up close, you are going to want a high resolution. Otherwise, you'll be able to see the individual pixels. When looking at a picture from a different angle, you don't need as high of a pixel density.

 

Content Type

 

When you are creating a marketing graphic, you want to use high pixel density in order to ensure that you come across as professional to your potential clients and customers. Higher pixel density will also ensure that people are able to read the information you want them to process when they look at your graphic.

 

Application

 

You will use different pixel densities based on how you plan to display your image. Images designed to impress clients in a technology field should take advantage of the latest technology available. If you plan to hang a temporary sign to announce a short-lived promotion in a small retail store, you may be able to choose a lower pixel density. You don't want to spend the extra money for a sign that won't be up for very long.

 

Budget

 

Naturally, a higher pixel density will cost more than images with lower pixel density. The size of the image will also have a large impact on the price. However, sometimes you need to spend money to make money. Give yourself enough money in your budget to guarantee a final product you can be proud of.

 

Best Practices

 

Create Graphics that Demand Attention

 

You want your graphics to capture your audience. The worst thing that can happen is for you to spend money on graphics that no one remembers after the event.

 

To make your signage truly pop, use colors and images thoughtfully. You can also enhance your blacks with EBL+(Enhance black level+) technology found on Unilumin's UMiniⅢ Pro. Your images will look so sharp that guests won't be able to help themselves from admiring the quality.

 

Don't forget to incorporate a call to action in your graphics. Guests need to know how to purchase your products or buy your services. Make it easy for your customers to complete transactions with you.

 

Professional Graphics Deserve Professional Quality

 

If you are buying graphics for a professional event with clients, you need your graphics to appear professional. Cost-effective signage can underwhelm your guests and devalue your brand.

 

On the other end of the spectrum, you should opt for a budget-friendly option when ordering signage for a school or pet store where the screens may encounter a lot of wear or tear. The children and the pets won't care about the pixel density as long as they can understand what the sign says. When the sign does become damaged or dirty, you can replace it without much guilt.

 

Test All Graphics in Advance

 

It can be hard to tell exactly how a particular graphic will come across in a certain venue. The light may be different than you expected, or there may be constructions you didn't think about.

 

It's important to set up your signage well in advance so that you can identify any problems before they happen. Your signage will shine in the background while you focus on making connections with the other people in the room.

 

Unilumin

 

With a majority of the market share in the industry, Unilumin is a brand you can trust for innovative technology, quality results, and excellent customer service. Unilumin not only cares for their clients but also the community with several community outreach programs. When you support Unilumin, you support a charitable organization.

 

Ready to get a quote for your LED signage? Use Unilumin's LED calculator to make your selections regarding your purchase.

 

Step One: Choose the size you want in either inches or meters, and pick whether the sign will be indoors or outdoors.

 

Step Two: Select the right technology. Products vary based on brightness, dimensions, and features.

 

Step Three: Select the resolution and the rate.

 

Get a quote to turn your vision into a reality today!