What’s the LED Screen?

Glossary of Terms

LED screen

An LED screen is a device that can display videos or motion pictures with the pixel being a semiconductor.

LEDs

LEDs are semiconductor devices that emit light when an electric current passes through them. Depending on the wavelength, the color of the resulting LED light may be red, green, or blue. If you want the LED screen to emit the complete spectrum of colors, you need to use LEDs of various colors.

The primary benefits of LED screens are:

  • Safety — they are suitable for both indoor and outdoor use.
  • Brightness of display — they have excellent visibility even in direct sunlight.
  • Long lifespan.

The aforementioned advantages are the reason that LED screens are used in such widespread applications.

Pixel

A Pixel is the smallest element of the image. It has a diameter of 1.9-80 mm and each pixel is composed of one to eight LEDs (Fig.2). Each pixel within an LED display contains green, blue, and red LEDs. There are usually 8 LEDs within each pixel, but, sometimes, it may also be more. The integrated processor produces all the primary colors and all shades of white.

Pixel Pitch

Pixel Pitch is the gap between the centers of two adjacent pixels. An LED screen with a higher resolution will produce sharper images. The pixel pitch should be as small as possible.

 

LEDs per Pixel

LEDs per Pixel refers to the location and the number of blue, red, and green LEDs in each pixel.

The LED screen module is based on pixels being arranged in a specific structure with standard sizes. Different manufacturers produce modules of different sizes.

Some of the primary dimension modules available include 160x160 mm, 130x65 mm, 256x256 mm, 320x160 mm, etc. The module itself is a small board with inbuilt LEDs on the front and electronic components on the rear end.

The module consists of several pixels, and the number of pixels is determined by their diameter. Generally, in the case of an LED failure, the modules have to be replaced. There are a certain number of modules as a part of the ZIP.

LED Screen Cabinet

LED Screen Cabinet refers to large prefabricated elements called panels that include a certain number of modules. The module parameters are multiples of cabinet parameters.

 

For example, a panel with dimensions of 960×960 mm will consist of 36 (6x6) modules with dimensions of 160x160 mm each. If the size of the panel is 1024x768 mm, it will consist of 12 (4x3) modules of 256x256 mm dimensions.

The cabinets are usually 0.5 m to 2 m in length and 175 mm in thickness. The front and rear view of the cabinet is shown in the photo. The panels are connected to each other without gaps to form a solid screen canvas.

This cabinet structure enables the construction of screens of various sizes while also maintaining flexibility, i.e., you can maintain individual modules, thus simplifying service

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