If You Want to Work in the LED Electronic Screen Industry, You Need This
Release date: 2017-12-01
Source: LED Network
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If you're stepping into the LED electronic screen industry, it's essential to understand the basic terminology that comes with this field. You might have come across terms like pixels, dot pitch, SMD, DIP, and more on product packaging or technical documents. While some of these words may be familiar, others could be confusing. In this article, I’ll walk you through the key definitions and concepts related to LED displays to help you get started.
(1) What is a pixel? Pixel diameter? And dot pitch?
A pixel is the smallest unit of an LED display that can be individually controlled. It’s responsible for producing light and forming images.
The pixel diameter refers to the size of each individual LED light source, measured in millimeters.
Dot pitch is the distance between the centers of two adjacent pixels. The smaller the dot pitch, the higher the resolution and image clarity, but also the higher the cost.
(2) What is an LED display module?
An LED display module is a group of LEDs arranged in a fixed pattern, serving as the basic building block of an LED screen.
(3) What is a cell board?
A cell board is the main component of an LED screen, consisting of both the light-emitting elements and the driving circuitry.
(4) What is a module?
A module is a small unit used in outdoor LED screens, made by packaging multiple LEDs in a mold and securing them with soldering or potting.
(5) What is a unit box?
A unit box is a larger component made up of several unit boards, commonly used in outdoor LED screens.
(6) What is DIP?
DIP stands for Dual In-line Package. It’s a type of chip packaging where the pins are on either side of the package, often used in indoor full-color LED screens due to its compatibility and ease of assembly.
(7) What is SMD?
SMD stands for Surface Mount Device. These components are mounted directly onto the PCB surface, allowing for high-density assembly and better performance in indoor LED screens.
(8) What is a plug-in module?
Plug-in modules use DIP-packaged LEDs that are inserted into holes on the PCB board and soldered. They offer good brightness and heat dissipation but have lower pixel density.
(9) What is a surface mount module?
Surface mount modules use SMT technology, where LEDs are placed directly on the PCB without passing through the board. This allows for higher pixel density and better visual effects, ideal for indoor use.
(10) What is a sub-surface module?
Sub-surface modules combine features of DIP and SMD. They offer good brightness and display quality but require a more complex manufacturing process.
(11) What is three-in-one?
Three-in-one refers to RGB LEDs packaged together vertically, offering improved color accuracy and visual quality but at a higher cost and more complex production.
(12) What is a real pixel?
A real pixel means that the number of physical pixels matches the number of displayed pixels exactly (1:1), ensuring accurate image representation.
(13) What is a virtual pixel?
Virtual pixels allow the screen to display more image details than the actual number of pixels, improving resolution and visual quality through advanced control systems.
(14) What is viewing angle?
Viewing angle refers to the maximum angle from which the image remains visible. A wider angle means the screen can be viewed from different positions without losing quality.
(15) What is brightness?
Brightness measures how bright the screen appears. Higher brightness is important for visibility in well-lit environments.
(16) What is resolution?
Resolution refers to the number of pixels on the screen, determining the level of detail and clarity of the image.
(17) What is grayscale?
Grayscale refers to the range of brightness levels a pixel can display, affecting the richness of colors and overall image quality.
(18) What is double primary color?
Double primary color refers to screens using red and green LEDs to create a wide range of colors, including yellow when both are lit together.
(19) What is full color?
Full color LED screens use red, green, and blue LEDs to produce a full spectrum of colors, making them ideal for high-quality visual displays.
This guide should give you a solid foundation in understanding LED screen terminology. Whether you're a beginner or looking to expand your knowledge, these terms are essential for working in the industry.
Tag: If You Want to Work in the LED Electronic Screen Industry, You Need This
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