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Backlight bleed is characterized as light leaking around the edges or corners of an LCD display. This is due to the way these displays work; they use a light behind the panel that faces the display.
Backlight bleeding is simply some of the backlight leaking through. There are no ways to completely remove this, though it can be reduced in some scenarios. If you have too much backlight bleed, you may be able to RMA your display.
Your LCD LED display, whether it’s a TV or a monitor, uses a LED backlight to create the image through the liquid crystal display panel. Some of that light doesn’t get entirely blocked around the display’s bezels which results in backlight bleeding.
Generally, some minor backlight bleeding is expected due to the nature of the display technology and it is entirely tolerable as you won’t even notice it most of the times.
However, sometimes the backlight bleeding can be too apparent and in this case, you may be able to return your display and get a new model or a refund depending on the manufacturer’s RMA policy.
How To Fix Backlight Bleeding
If you have an IPS-panel display, make sure you are not mistaking backlight bleeding with IPS glow. Unlike backlight bleeding, the intensity of IPS glow can be reduced by changing the angle or the distance you’re looking at the screen and by decreasing screen brightness and increasing ambient lighting.
In short, if you are experiencing too much backlight bleeding, you should try to RMA your display. In case the display manufacturer won’t accept it, you will have to get a new monitor/TV, preferably with an OLED panel which doesn’t suffer from these issues.
There are some unconventional methods you can try to reduce the backlight bleeding yourself:
- Dismantle the display and apply electrical tape around the edges of the LCD
- Mildly loosen the screws at the rear of the display
- Using a microfiber cloth softly rub the area where the backlight bleeding is prominent
- Reduce the screen brightness until backlight bleeding is unnoticeable
Besides backlight bleeding, you may be experiencing your screen flashing and/or clouding which is usually much worse and is actually a result of physical damage done to the display.
Rob is a software engineer with a Bachelor’s degree from the University of Denver. He now works full-time managing DisplayNinja while coding his own projects on the side.