Cause Analysis and Solution of LED Display Flickering

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Release time :2023-07-20

Estimated reading time: 1 minute

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Introduction

Many people may not know that the LED display keeps flickering. The flickering not only affects the quality of the playback picture, but also affects the mood of the audience. What are the reasons for the flickering of the LED display? Causes and solutions for flickering displays.

Many people may not know that the LED display keeps flickering. The flickering not only affects the quality of the playback picture, but also affects the mood of the audience. What are the reasons for the flickering of the LED display? Causes and solutions for flickering displays.

The main reasons for the flickering of the LED display are as follows:

1. The driver loader is wrong. 2. The network cable between the computer and the screen is too long, resulting in poor signal. Or the network cable is faulty, such as poor contact of the crystal head of the network cable. 3. The sending card or control card is broken, check whether the small light on the control card is on, if not, it is broken. 4. Whether the connecting wire between the power supply and the control card is short-circuited. 5. The output voltage and current of the power supply are unstable, and the power supply with control card has too many unit boards.

LED display flickering solution ideas and methods:

1. If the whole screen is dotted, and the picture and shadow buttons are moving, it is generally because the driver loading program is wrong. Check the driver loading program again, and uninstall and reinstall it. 2. Another possibility is that the sending card is broken, and the sending card needs to be replaced at this time. 3. If it is irregular flickering, it is generally a system frequency problem. Replacing the system or adjusting the setting parameters can basically solve the problem! 4. If it is blinking, it may be a problem with the graphics card driver, or it may be a problem with the resolution setting of the sending card. Another possibility is the power supply problem (insufficient power supply, information clutter, electromagnetic interference). When designing the PCB, more consideration should be given to the wire diameter of the power supply and signal traces, as well as the PCB production process. Adding a few more capacitors to the module has also improved. If it is accompanied by text flickering (there are irregular white borders around the text, irregular flickering, and the text disappears after disappearing), this is a problem with the graphics card settings. In the display properties, cancel "Show hidden shadows under the menu" and "Edge smooth transition effect" .

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Table of contents

The Uses of Led Screens for Events and Businesses
For engagement
To display information
Visibility
Illumination
Factors events and businesses need to consider before renting LEDs?
Budget:
Aspect ratio
Here are the common aspect ratios:
Pixel pitch
Purpose
Where is the Venue?
The advantages of our rental LED screen
Conclusion

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