Another reason to avoid edge-lit 4K TVs: they may fail faster than others, according to this report

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 bully for rock, not truthful bully for lighting your TV
The Edge: bully astatine guitar, astir apt unspeakable astatine lighting TVs (Image credit: U2start, CC BY 2.0 , via Wikimedia Commons)

  • Edge-lit LEDs look to create visible problems very early
  • Problems are peculiarly evident pinch larger-sized displays
  • Shop astir for discounts connected better-quality panels

Late past year, we published a informing for Black Friday TV buyers: avoid large TVs pinch inexpensive edge-lit panels. The main logic was nan ocular quality, arsenic edge-lit panels aren't awesome for large sizes. But a caller study suggests different logic you should steer clear. Big edge-lit panels look to neglect much quickly than different types of TV displays.

That's according to Rtings' ongoing TV longevity tests, arsenic reported by FlatpanelsHD.com. The tests characteristic 100 different TVs from aggregate brands and pinch aggregate technologies – edge-LED, nonstop LED, afloat array section dimming, and OLED – and nan results for edge-LED aren't great.

What's nan problem pinch edge-lit panels?

There are aggregate problems, though. First, they don't mostly present awesome uniformity successful really they ray up nan display. That's because their backlight is usually positioned astatine nan bottommost pinch a diffuser movie to dispersed nan ray complete nan panel. The bigger nan panel, nan much evident nan design's shortcomings become.

According to Rtings, complete 25% of nan LCD TVs they tested exhibited visible ray uniformity issues. But among edge-LED LCD TVs, that fig rocketed to 64% – truthful you've sewage a 1 successful 3 chance of getting a TV pinch accordant lighting.

To beryllium fair, nan number of sets affected is small: 7 retired of 100 TVs. However, 3 of those 7 started showing problems earlier aliases aft 2,200 hours of testing. That's nan balanced of 1 year's viewing successful nan emblematic US household.

According to Rtings, nan results of their tests show that "edge-lit TVs are inherently prone to important durability issues, including warped reflector sheets, cracked ray guideline plates, and burnt-out LEDs owed to concentrated heat."

That's nan bad news. But nan bully news is that pinch Black Friday astir here, you won't needfully person to plump for edge-lit if you want a bully large TV that fits your budget: this is, of course, 1 of nan champion times to bargain a caller TV because they're a large portion of each Black Friday, and moreover high-spec models specified arsenic LG's C4 OLED get large discounts.

Sign up to beryllium nan first to cognize astir unmissable Black Friday deals connected apical tech, positive get each your favourite TechRadar content.

Naturally, we're search those deals, truthful cheque retired our guideline to nan best Black Friday TV deals here.

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  • The champion 48, 49 and 50-inch TVs for each budget
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  • Our guideline to nan best TVs of each kinds and successful each value bracket

Contributor

Writer, broadcaster, musician and room gadget obsessive Carrie Marshall has been penning astir tech since 1998, contributing sage proposal and overseas opinions to each kinds of magazines and websites arsenic good arsenic penning much than a twelve books. Her memoir, Carrie Kills A Man, is connected waste now and her adjacent book, astir popular music, is retired successful 2025. She is nan vocalist successful Glaswegian stone set Unquiet Mind.

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Technology