Screen bleeding is a common issue in display panels. It is considered a defect and you will get a full refund if your monitor is under warranty and has considerable screen bleeding. If you just bought a monitor, I recommend performing a screen bleeding test.
What is screen bleeding?
Display bleeding, Screen Bleeding, or Backlight bleeding is a display defect where the backlight escapes from the edges of the screen backlight leaks from the edges of the screen.
Backlight bleeding is found in LCD display panels because they use an active backlight system. In such panels, there is a light source blocked by LCD. If the LCD isn’t blocking the backlight properly, you will notice the Backlight bleeding.
How to perform a screen bleeding test?
To check if your monitor has display bleeding, first turn off the room lights. Now, reduce the brightness of the monitor. Keep it at 30-35% and open a pitch-black image on the monitor. You can also open the video that I am adding below.
Look at the monitor and search if there are spots of light being emitted around the edges or corners. If you don’t notice anything, your monitor is fine.
How to fix screen bleeding
Most cheap monitors suffer from backlight bleeding and the most common way to fix it is by reducing the monitor’s brightness and enabling local dimming on your monitor. The common reason for display bleeding could be the loose frame screws or the display panel isn’t sitting inside the frame properly. You can also try to undo the screws of the monitor and then tighten them again.
Check the monitor’s position. Make sure the monitor is level and not tilted at an angle, as this can cause light to bleed through the edges. You can also check all the cables and connections between the monitor and the computer.
Display bleeding is found in panels that use an active backlight. If you want to avoid it completely, get an OLED monitor. But this isn’t the solution for everyone due to the high cost of OLED monitors. In IPS display panels, several people mistakes backlight bleeding for IPS glow. IPS glow is a different thing and it can be reduced by changing the display angle or distance.
If given things don’t work, it is a hardware problem and the monitor may need to be repaired or replaced.
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