LED Display Module

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What is LED Display Module

The LED display module is a crucial component of a finished LED

display. It comprises LED lights, PCB circuit boards, driver ICs,

resistors, capacitors and plastic kits. The modules can be

categorized according to the luminous color of the LEDs. They

are available in monochrome, two-color, and full-color modules.

Monochrome modules come in single colors such as red, green,

blue, yellow, and white, while two-color modules consist of

combinations like red and green, and red and blue. Full-color

modules primarily incorporate the three primary colors -red,

green, and blue- on the LED module.

Table of Contents

What are the main categories of LED display modules?

1.Indoor LED Display Modules: Designed for indoor environments, these LED display modules have high refresh rates and grayscale levels to achieve clear and detailed image display. Common pixel pitches for indoor LED display modules include P1.25mm, P1.86mm, P2.5mm, etc.

2.Outdoor LED Display Modules: Specifically designed for outdoor applications, outdoor LED display modules feature high brightness and waterproof ratings, ensuring clear visibility in bright outdoor environments. Common pixel pitches for outdoor LED display modules include P3.91mm, P4mm, P5mm, etc.

3.Flexible LED Display Modules: These LED display modules have a flexible design, allowing for bending and customization of shapes as required. They are suitable for special scenes and creative applications such as curved screens, cylindrical screens, etc.

4.GOB LED Modules: GOB (Glue on Board) LED modules utilize special encapsulation technology, providing high shock resistance and waterproof performance. They are suitable for locations that require high resistance to shock and water.

The structure and components of LED display module

1.LED chips (Light-Emitting Diode): LED lamp beads are vital for

LED displays as they emit visible light through semiconductor materials.

There are various models available with different resolutions and clarity

levels, including SMD1010, SMD2020, SMD2525, SMD2727, and

SMD3535. Performance characteristics like brightness, viewing angle,

failure rate, lifespan, and consistency determine the screen’s visual

quality. Ultimately, LED lamp beads are essential for high-quality,

vibrant images and videos on LED displays.

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2.Printed Circuit Board (PCB): A PCB is a crucial component of LED

display modules, providing electrical connections and support for other

elements. It contains circuit traces, mounting positions, and solder

joints to ensure correct operation and interconnectivity of electronic

parts, including power supply, signal transfer, and control. Components

like LED lamp beads and IC drivers are soldered onto the PCB to

create an integrated assembly. PCB design is significant in optimizing

efficiency, performance, and manufacturability, reducing electrical

noise, enhancing signal integrity, and enabling efficient heat

dissipation. Ultimately, the PCB plays a vital role in promoting proper

functionality and integration of electronic components in LED display




3.Integrated Circuit Driver (IC Driver):The IC driver is an essential

component in LED display modules that accurately regulates the

brightness, color, and display effects of LED lamp beads. It also

manages power, data transmission, and signal conversion for optimal

performance. It converts electrical signals from the control system into

the current and voltage levels necessary for the LED lamp beads,

enabling precise control over color and intensity. The IC driver

minimizes power consumption and ensures smooth transitions and

accurate rendering of images and video on the LED display module. Its

management and control functions are vital for efficient operations,

optimal performance, and precise display output.

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4.Protective Layer and Related Components:A protective layer

guards printed circuit boards and cabinet chassis against damage like

moisture, dust, and mechanical impact. The layer, often made of

durable plastic or metal, secures the module structure. Rainproof

modules use rubber gaskets for waterproof sealing, while LED display

modules use flat cables for signal transmission and power cords for

power supply. Rubber rings improve waterproofing and the black

plastic mask provides precise positioning for LED pixels. Sun visor-

type brackets can also reduce light reflection for outdoor screens.

These components work together to protect, waterproof, transmit

signals, supply power, and install LED pixels, ensuring high-quality

display performance and reliable operation.

LED display module: What are the performance parameters?

What is pixel pitch? How does it affect the display quality?

Pixel pitch refers to the distance between the centers of adjacent pixels. It determines the display’s resolution and its ability to render

details. Smaller pixel pitch results in higher resolution and a clearer display.

Brightness is measured in nits or candelas per square meter (cd/m²) and represents the intensity of light emitted by LED pixels. Higher

brightness levels provide better visibility in bright environments or outdoor settings.

Refresh rate indicates how quickly the display can refresh the content on the screen. It is measured in Hertz (Hz) and affects the

smoothness of animations and video playback. Higher refresh rates offer a more seamless visual experience.

Viewing angle refers to the maximum angle from which the screen can be viewed without significant degradation in image quality or color

accuracy. Wide viewing angles ensure that content can be seen clearly from different positions.

Contrast ratio defines the difference between the brightest and darkest parts of an image. Higher contrast ratios enhance the display’s

ability to reproduce vibrant colors and deep blacks, resulting in visually appealing content.

Color gamut represents the range of colors that a display can reproduce. It is typically expressed as a percentage of the NTSC or sRGB

color space. A wider color gamut enables more accurate and vibrant color reproduction.

Grayscale levels indicate the number of different shades of gray that a display module can show. Higher grayscale levels enable smoother

gradients and better color transitions, resulting in more realistic images and videos.

Power consumption refers to the amount of electrical power required to operate an LED display module. Lower power consumption

contributes to improved energy efficiency and cost savings.

Installation and Connection Methods for LED Display Modules

LED modules are versatile and can be installed in different ways depending on the needs. Magnetic installation is great for temporary installations and

magnetic surfaces while screw fixation provides a long-term stable solution. We offer a guide to make the installation process easy and efficient.

Please follow these steps for proper installation of your LED module. First, select an appropriate mounting base according to your installation

requirements. Then, securely fix the mounting base to the installation position using professional tools, such as a screwdriver or drill.

Next, insert the power cables into the power interface of the mounting base, ensuring a tight connection. Connect the

power cables to the power source ensuring correct wiring.

Install the LED module in the predetermined position on the mounting base, ensuring a tight connection with the base. Use a screwdriver or

drill to firmly secure the LED module to the base.

Finally, after installing the LED module, it is important to secure it to ensure stability. Use a screwdriver or drill to secure the LED module to the

mounting base. Alternatively, you can use adhesive or other fixing agents to secure it to the installation position.

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Strict product aging test and finished product assembly simulation test to ensure that every piece produced is qualified

Provide customers with quality products and services

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All LED display modules undergo rigorous 72-hour aging tests to ensure their performance and quality stability.

LED display modules come in various sizes, including 320*160mm, 250*250mm, 192*192mm, 320*320mm, and more.

LED display modules are components of LED display screens, and multiple modules are combined to form a complete LED display screen.

LED display modules can be controlled using a software or control system that allows you to upload and manage the content remotely.

Yes, many dance floor LED screens can be connected and synchronized for multi-screen linkage. This means that multiple screens

can be combined to create a larger display area and play unified content simultaneously.

LED display modules are designed to support various file formats, including images (JPEG, PNG, etc.), videos (MP4, AVI, etc.), and animations (GIF).

Yes, LED display modules can be integrated with external systems, enabling interaction with sensors, cameras, or other devices for customized functionalities.

LED display modules can be connected to various sources such as computers, media players, or content management systems through wired (HDMI, DVI, etc.) or wireless (Wi-Fi, Bluetooth) connections.

Yes, LED display modules often come with built-in monitoring and diagnostic functionalities that provide real-time information about their status, including temperature, voltage, and pixel health.