Why I wouldn't buy a super-cheap huge-screen TV for the World Cup as someone who watches 60 games per year the 'dirty screen effect' is brutal for watching football

Date:
Tue, 09 Jun 2026 17:00:00 +0000

Description:
Backlight uniformity issues on LCD 4K TVs have ruined many a football match for this AV dork don't pick the wrong big-screen upgrade

FULL STORY ======================================================================Copy link Facebook X Whatsapp Reddit Pinterest Flipboard Threads Email Share this article 0 Join the conversation Follow us Add us as a preferred source on Google Newsletter Subscribe to our newsletter Whether you call it football or soccer, the Beautiful Game is the best . As someone whose soul is nourished
to an unhinged degree by watching 22 millionaires bashing a synthetic sphere around a field, Im incredibly excited about the upcoming 2026 World Cup,
which kicks off on June 11.

That said, Im much less enthused by the prospect of huge amounts of people watching the worlds biggest sporting event on the wrong type of TV. Okay, maybe wrong sounds absolutely obnoxious to say. Ill retract that. How about a less than ideal type of display? A huge number of people are buying (or plan to buy) bigger screens for the World Cup, and these days you can get
amazingly cheap TVs in giant sizes. These will be LCD TVs with basic backlights (which means a set of LED lights that shines through the pixels, creating the light your eyes will actually pick up), but they're exactly what I want to warn you against. Latest Videos From Watch full video here:

But a super-cheap LCD is quantifiably the last type of TV Id want to watch
the World Cup on, due to one extremely annoying screen defect you're likely
to encounter if you TV is too basic. Let me explain. The dreaded dirty screen effect Before I break down exactly what dirty screen effect or DSE is, Ill flat out admit I utterly loathe this particular screen quirk that can be particularly obvious on many cheap LCD TVs. You may like I'd recommend mini-LED TVs over OLED for your big-screen World Cup watch party here's why The 3 OLED TVs I recommend for World Cup viewing, based on my testing Here
are 3 TVs I recommend for your World Cup shopping list

How much do I detest DSE? As a coulrophobe who hates mushrooms and is also deathly afraid of heights, Id rather go on a date with Pennywise involving a 10-course sampling menu of nothing but portobello-based appetizers atop the
CN Tower, before Id watch a single World Cup match on an LCD display.

What exactly is the dirty screen effect? Its an issue where inconsistencies
in a TV's backlight levels quickly lead to visible onscreen blotches. Get daily insight, inspiration and deals in your inbox Sign up for breaking news, reviews, opinion, top tech deals, and more. Contact me with news and offers from other Future brands Receive email from us on behalf of our trusted partners or sponsors By submitting your information you agree to the Terms & Conditions and Privacy Policy and are aged 16 or over. Look at the four corners of the screen in this budget LCD TV, where patches of light are leaking in, but the more central edges are darker. That's what we mean by a lack of uniformity in the backlight, and it can mean blotches of lighter and darker areas even when watching something brighter (Image credit: Future) These smudgy areas, where particular areas of the panel look darker or
lighter than others, are especially easy to spot while watching something
with a pretty uniformly colored portion of the screen, and with lot of fast-paced camera pans.

And wouldnt you know it? Football/soccer has a whole lot of constant back and forth camera swings every time the ball is booted from the center circle to the edge of the oppositions D.

Dirty screen effect is easiest to identify when watching content where large parts of the screen are made up of a single uniform color. Whether thats pans across blue skies or across a green field, whenever a camera is swinging from side to side against large patches, DSE will rear its ugly head on lower-quality sets. What to read next 5 essential features to look for when buying a new TV for the World Cup Watching the World Cup is the one time Id use motion smoothing on a TV here's why The best TVs for sport for all budgets What causes the dirty screen effect? Rather than being caused by a single factor, there are multiple issues that can lead to the dirty screen effect occurring. Though Ive finally stopped worrying about OLED burn-in thanks to Light-Emitting Diode displays combating the issue through features like pixel cleaning cycles, DSE on huge cheap LCD panels remains as bad as it was on smaller cheap LCD panels a decade ago, because the fundamental problem hasn't changed.

The production process that goes into making LCD TVs is largely to blame for the soccer-ruining dirty screen effect. LCDs use multiple layers and diffuser sheets, which often leads to backlight uniformity issues when panels are
being assembled. On the left is an affordable QLED TV, on the right is a super-cheap LED TV they're both from the same brand. You can see how crudely the right one is lit, even when there are supposed to be black areas on the screen you're not going to get well-handled lighting in sports either (Image credit: Warner Bros / Future) If a cheaply-made panel is combined with not having enough LEDs behind the screen to illuminate it all uniformly (you can even end up with parts of the panel's interior casting shadows), you'll end
up with some areas being more strongly illuminated than others.

In order to make TVs today so much bigger than they were, but affordable at the price most people want to pay, corners have to be cut and the quality of panel assembly and backlighting can end up as a casualty.

And yet, giant screens are where you're most likely to notice these issues, because there's so much more space for you to notice the imperfections.

Despite, some folks will be completely oblivious to DSE. I get that. But as someone who is cursed with obsessive eyes that still hates myself for
enabling motion smoothing on a TV when switching on sports (but you should do it as I explained in that article), my peepers are constantly drawn to the lighting defect while watching soccer in a bar.

And trust me, as someone who watched over 60 Arsenal games last season (hoo-boy does that Champions League Final defeat in Budapest still sting), I know a thing or two (times 30) about watching football on subpar screens out in public. What can you do about it? Personally, I'd buy an OLED TV. Ive watched nearly all of my football at home on OLED panels since 2015. If you have the budget for it, and watch to enjoy the World Cup with the best image quality and least distracting visual issues, check out the best OLED TVs . If you go OLED, your eyes will never be bothered by LCDs biggest deficiency when watching footy/soccer. The LG G5 is a bargain while stocks last, as is the cheaper LG C5 . The Samsung S95F , with its anti-reflective screen, is particular good for daytime sports viewing.

However, big-screen OLED TVs are expensive . They're also nowhere near as bright for fullscreen viewing as decent mini-LED TVs, meaning they're more prone to distracting reflections if you're watching during the day (though
the Samsung S95F and LG G6 are better for this but they're still pricey).

So here's some very basic advice: get a mini-LED TV instead of a regular LED TV and you're less likely to have a noticeable dirty-screen problem. All mini-LED TVs use a grid of LEDs across the whole back of the screen with support for local dimming and more premium sets use much smaller LED and fit in many more of then, which helps with the uniformity of lighting. And
they'll pack in more LEDs are larger sizes, to avoid any problems from going big. A comparison between two mini-LED backlights and these are both mid-range or better models, but you can see what a difference spending more makes to the control of light (Image credit: Future) If a mini-LED doesn't
fit in your budget at the size you're thinking, you should drop down a size, rather than getting a poorer-quality but larger screen. You don't want to spend a whole tournament getting distracted by a strange shadowy effect on
the screen.

The cheapest TV TechRadar's reviewers recommend to avoid a major dirty screen effect is the TCL QM6K in the US, or the TCL C6K in the UK. The uniformity on this set still isn't always perfect, but it's as good as you get for the price.

If you step up to the TCL QM7K (US) / TCL C7K (UK) or the Hisense U7N, you're at the point where you're unlikely to notice it.

Going further to the premium Samsung QN90F (which we rate as the best TV for sport), the TCL QM8K (US) / TCL C8K (UK) or the Hisense U8N means you won't need to worry about DSE. This is Hisense's latest mid-range mini-LED TV, and it handles sports viewing well (Image credit: Future / No Copyright 4K Zone) Thinking of buying a new TV? Try our TV size and model finder! You tell it
how far you sit from your TV, we'll tell you what size to buy based on
viewing angle advice from image quality experts, and we'll recommend our
three top TVs at that size for different prices. Follow TechRadar on Google News and add us as a preferred source to get our expert news, reviews, and opinion in your feeds.



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