What is Backlight bleeding

What is Backlight Bleeding? – Cause , Test, Absolute Solution

Are you thinking of purchasing a new LCD and wondering about the potential problems with this type of display? You should know the basics of backlight bleeding.

This is a problem where you see that the monitor’s lights (light-emitting diodes) are leaking from the edges of the screen. 

This is because the light is not removed, either due to poor quality control, manufacturing issues, or design ingenuity.

A LCD or television, the LCD utilizes a backlight LED to create the image using the display panel made of liquid crystal. 

A portion of the light isn’t completely blocked by the display’s bezels, which leads to bleeding of the backlight.

In general, a little bleeding of the backlight is common because of the display technology and is completely acceptable as you will not be aware of it all the time.

It will be apparent when you use your computer in a dark space, particularly when you are watching something with a lot of dark parts.

But, in some cases, bleeding from the backlight can be very noticeable. 

In this situation, you might be able to return your display and receive a new model or even a refund based upon the model’s RMA policy.🤔

Read More: 720p vs 1080p vs 1440p vs 4K vs 8K What One is Ideal Resolution


The issue of bleeding backlights is present when using LCDs (Liquid Crystal Displays) because they utilize an active backlighting system. 

A light source lights the entire LCD panel, and the LCD blocks out any light that isn’t required to display a specific image.

Backlight bleeding results from light not being blocked completely in specific parts of the screen.

This can lead to backlight bleeding, which causes areas of light that can ruin your experience.



                   Visible light patches around the edges of your screen.


                   Light patches are irregularly scattered across the screen.

Monitor and TV Backlight Bleed: What Causes It?

Backlight bleeding occurs when layers that comprise the screen of the TV or monitor get misaligned. 

As a result, there is pressure inside the display, which alters the orientation of the components emitting light. 

This causes light to be directed in the opposite direction and backlight bleeding.

This problem tends to be more prevalent in displays that aren’t as expensive, where the screen’s performance and its layers aren’t as durable as displays that are priced higher 🔥.

How to Check If Your Backlight Is Bleeding

How to Check If Your Backlight Is Bleeding
Backlight Bleeding

To test the backlight bleeding, it is a matter of going into a dark space and switching all lights off. 

You can then rely on the screen’s light. Go to lightbleedtest.com and examine your panel for no cost. 

If you see patches along the edges of the screen, your panel may be experiencing problems with backlight blessing. 

If that’s the case, let’s look at temporary solutions that could be used to correct the issue to a small degree.

Although the issue can be annoying, it is easily repaired even without any technical expertise.

What Should You Do If You Have Backlight Bleeding?

The ideal situation is to spot the issue even though your monitor is still covered by warranty. 

In this way, you could replace it with a new model or repair it by the manufacturer. 

It is important to read the policies carefully to determine if this problem is covered. 

If you’re not sure it’s not covered under warranty, don’t try fixing it by yourself. If you do, it will void the warranty right away.

If you don’t, you can attempt to resolve the issue with these steps. 

All you require is a screwdriver and a microfiber cloth

You may prefer to wear wrist straps that are anti-static all the time.

1. Screws of the Frame Loosen the 

One of the primary causes of backlight bleeding is that the panel screws are too tight, leading to the display getting damaged. 

By using a screwdriver, loosen the screws just a bit. A lot of force can cause the display to break and break. So you must be soft!

2. Twist the Display Frame Slightly

In some instances, it is possible that the screen is not correctly positioned inside the frame. 

The additional light is leaking through the screen’s edges. 

It is possible to loosen screws and then twist the frame before turning the screen on to see whether there is any bleeding. If not, proceed to another step.

3. Clean The Zones Where There Is Bleeding

One possible reason for bleeding could be the display is not entirely flat. The reason for this could be due to grease and dust. 

It is necessary to use an abrasive cloth made of microfiber to rub the bleeding areas. 

Circularly cleanse the area but without excessive pressure. 

Give it a few days to be a bit, and then repeat the process if you don’t see any improvements.

4. Monitor The Progress

Examine your progress after trying every step, as you may have already diminished the bleeding on the monitor. 

You can open an extremely dark video or image and snap pictures for a sure check. 

You can consult online tutorials and videos to learn how you can properly check your monitor for bleeding backlight.

5. Reduce Brightness

There are times when you won’t notice any difference after trying out these methods. 

If you cannot live with bleeding from the backlight, reduce the brightness. 

This isn’t the most suitable option when you own an HDR-capable screen due to the lower quality of the image.

However, should you find that the bleeding is bothering you, it is the most effective method to stop it if all other options fail.

In The Future, Be Safe From Backlight Bleeding

If displays are equipped with an active backlighting system, bleeding is likely a common issue. 

Light is an extremely difficult issue to fight, and even the tiniest flaw in the display can allow it to flow out.

The only solution to eliminate this issue is by purchasing OLED displays.

However, OLED displays are expensive and will likely remain at a high cost for quite a while.

If you aren’t ready to spend thousands of dollars for an OLED, We suggest searching on the Internet for displays that have positive customer feedback. 

It’s likely to be possible to locate an affordable display with low backlight bleeding.

When Should Backlight Bleeding Be Accepted?

Some amount of bleeding from the backlight could be inevitable due to the LCD’s design and technology. 

You’ll notice quickly that the level of bleeding from your device isn’t acceptable. 

It is hoped that you can discover this issue in the time that the monitor’s warranty is still in effect. 

Due to this, I can’t emphasize enough how important it is to conduct this test of bleeding in the backlight before purchasing your first monitor.

If you are experiencing backlight bleeding from your monitor, perform a variety of troubleshooting techniques to address the problem. 

Most of the time, it’s not necessary to buy an additional monitor.🤔

What are some of the other issues you could encounter with an IPS panel LCD?

IPS Glowing: It’s a common issue in IPS panels. You’ll feel that the LCD or monitor is glowing higher than its set threshold. 

From several angles, you can observe the flashes of light falling from the screen. 

The only thing you have to do to correct the issue is to adjust the screen’s angles, and you’ll be in good shape. 

The appearance of light can trigger seizures. Therefore, if you are sensitive to light, you must fix the issue as quickly as possible.

Clouding: The cause is uneven backlight bleeding. It’s among the most serious problems on your LCD and is even more serious than the actual bleeding. Get an RMA for the LCD!


Backlight bleeding is usually not a major issue or evident to anyone else.

The most important thing to do is examine your monitor thoroughly after purchasing it and conducting tests in the appropriate conditions to determine if there is bleeding from the backlight. 

If there is a defect in manufacturing, you can get it repaired or replaced before the warranty runs out.

It is possible to rely on the earlier suggestions to resolve the issue. 

Additionally, it would help if you took preventive measures before purchasing the LCD. 

Be sure to diagnose it properly before investing any money in it. This will spare you from the burden of repairing the issue yourself.

I hope that the article should have solved your issue!🎉

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