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What Is a High Refresh Rate? Explaining 120 Hz on Phones, TVs, and Monitors
Gaming Gear

What Is a High Refresh Rate? Explaining 120 Hz on Phones, TVs, and Monitors

by admin September 19, 2025


Many of our favorite TVs and monitors feature displays with high refresh rates, promising smoother on-screen action and a sharper picture. The same is true for the best Android phones and all of Apple’s iPhone Pro models (since the 13 Pro and onward). Today, every iPhone 17 model can reach a 120-Hz refresh rate. It has become standard across the board.

High refresh rates are frequently discussed in gaming, where fast reactions and instant on-screen updates can mean the difference between victory and defeat. That includes gaming monitors and even gaming phones, which can usually hit 144 Hz, 165 Hz, or higher. But what exactly does screen refresh rate mean? We break it down.

Updated September 2025: We’ve added mention of the latest iPhones, updates to screen technology, new links, and refreshed copy.

Table of Contents

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What Is a Refresh Rate?

All content on your display, whether it’s a phone or computer monitor, is made up of individual still frames (photos) shown in sequence at a very high speed. The refresh rate is measured in hertz (Hz), and it dictates how often the frame can change. A refresh rate of 120 Hz allows a new frame to be displayed up to 120 times every second. A 60-Hz display can only refresh the screen 60 times per second. And you can guess how many times a 90-Hz screen can refresh.

What About Frame Rate?

The potential benefit of a high screen-refresh rate is limited by the frame rate of what’s playing on the screen. With videos or video game graphics, this is expressed as frames per second (fps). Movies typically run at 24 frames per second because it’s a theatrical standard, while many games can run at 120 fps.

And Touch-Response Rate?

To confuse you more, manufacturers sometimes list the touch-response rate (or touch sample rate) for touchscreen displays, which is also measured in hertz. This number relates to how often the touchscreen scans for a touch from your finger. The higher the touch-response rate, the faster it responds to your touch.

How Refresh Rates Impact Your Phone

Google via Simon Hill

A higher refresh rate allows a phone’s display to keep up with gaming action and reduces motion blur on video, but it can also make navigating around the interface feel more responsive than it would on a display with a lower refresh rate. Games look less choppy during frenetic action, video footage of fast-paced sports action appears smoother, and any jerkiness when scrolling a long web page is reduced. To get the full benefit of a high refresh rate, you also need a high frame rate, and ideally, the two match.

The cost is often your battery life. Refreshing the image on a display more times per second requires more battery power. Processing power is also needed to run graphics at a higher frame rate. Processors have improved enormously, but battery life is still limited on smartphones. For that reason, most phones with high refresh rates do not run at the highest rate all the time.

Higher refresh rates first came to smartphones with the gaming-focused Razer Phone in 2017, then manufacturers like Apple, Samsung, OnePlus, and Google adopted them in flagship devices like the iPhone range, Galaxy series, and the Pixel range. Apple calls its version “ProMotion.”



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September 19, 2025 0 comments
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Product Reviews

The first TVs with Gemini built in arrive later this month

by admin September 4, 2025


TCL has announced the QM9K, its latest flagship QD mini LED television series. The QM9Ks will be the first panels in the industry to feature Gemini on Google TV, a new feature that we first learned about at the start of this year.

Using the standard “Hey Google” voice prompt, viewers will be able to find a movie or TV show, ask questions using natural language about any topic and even control smart home products that are synced through Google Home. Google TV on the QM9K also supports the creation of custom AI screensavers based on descriptions or prompts provided by users.

The TVs will feature an mmWave sensor — a form of radar used to detect if a person is in front of the panel — that will wake the devices, allowing users to engage with Gemini completely hands-free. Users will have the option of customizing distance settings and hours of operation for the wake sensor.

Aside from breaking new ground in software, the QM9K series features a “Zero Border” edge-to-edge WHVA panel, which promises excellent color accuracy and a bezel-less design.The TVs have up to 6,000 precise dimming zones for deep contrast — up to 57 percent more than on the QM8K, the other contenders in TCL’s “Ultimate Series.” The QM9K is set to deliver up to 6,500 nits of peak brightness in HDR, a 30 percent increase over its predecessor. The panels run from 65″ to 98″, and audio by Bang & Olufsen rounds out the premium sets.

The TCL QM9K will be available at Best Buy and select regional retailers later this month.



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September 4, 2025 0 comments
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The best Labor Day sales on 4K TVs from Sony, Samsung, TCL, and more
Gaming Gear

The best Labor Day sales on 4K TVs from Sony, Samsung, TCL, and more

by admin September 2, 2025


Labor Day weekend marks the unofficial end of summer, which is a bit sad, but it’s a great time to get a deal on a fancy, new TV. The US holiday is happening just before the start of the 2025-2026 NFL season, the World Cup qualifiers, and the lead-up to the MLB post-season games. This sports trifecta means you can take advantage of Labor Day sales on 4K TVs, whether you’re planning on hosting big at-home viewing parties, or you just want to tune in alone.

Right now, you can save hundreds of dollars on high-end OLED TVs like Samsung’s S90D or Sony’s Bravia 8 II. If you don’t want to spend as much, you can pick up a 70-inch 4K TV from Insignia for well under $400. That’s just a taste, but we’ve got more deals below that should suit gamers, cinephiles and sports fans alike. Many of these TVs are at or matching their lowest prices, and, as always, there’s no guarantee that Black Friday and Cyber Monday deals will beat these prices.

Insignia’s massive 70-inch F50 4K TV is on sale for $329.99 ($170 off), its lowest price ever at Best Buy. In terms of specs, it’s about as basic as they come, with a 60Hz refresh rate screen and three HDMI 2.0 ports. It’ll be just fine for watching sports and movies on, but 60Hz means it can’t display PlayStation 5, Xbox Series X, PC, or Nintendo Switch 2 games at their fastest-possible frame rates, but 60 frames per second isn’t so bad. The F50 supports HDR10 for more contrast-rich and accurate colors when viewing TV shows, movies, or games that support the format.

The TV runs Amazon’s Fire OS, and has Alexa voice capabilities built into its included remote, so you can use your voice to search for content. You can also utilize Alexa to change the TV’s volume and input without manually navigating through menus. If you have an Alexa-enabled camera, such as the Blink Mini, you can ask it to fetch a live video feed, which will appear as a picture-in-picture frame at the top of the TV screen. The F50 also supports AirPlay, so you can mirror your Apple device’s display onto the TV. It doesn’t have every bell and whistle, but Insignia’s F50 is a solid 4K TV, especially considering its size and price. If you want a smaller TV, Amazon and Best Buy are offering the 55-inch model for around $189.97 ($160 off), which matches its all-time low price.

If you want a more premium 4K TV than the Insignia model above (without breaking the bank, of course), TCL’s 55-inch QM6K comes with a surprising amount of features for its roughly $449.99 ($350 off) sale price at Best Buy. The TV has a 144Hz panel, which will make fast-paced console or PC games display with fabulous fluidity compared to using a 60Hz screen. It has a full-array local dimming panel for even lighting across all dimming zones (negating the bloom effect that some cheaper TVs exhibit in dark scenes).

The TV has two HDMI 2.1 ports, which can carry a 120Hz 4K signal that modern game consoles and PCs can take advantage of. Its two HDMI 2.0 ports top out at 60Hz, which is suitable for a Blu-ray player or perhaps a Google TV 4K Streamer streaming device. The TV runs on TCL’s AIPQ Processor, which the company says analyzes what you’re watching or playing to optimize its brightness, color, and contrast in real time. If you want a larger TV, you can get the 65-inch model for $549.99, which matches its all-time low at Amazon and Best Buy. Interested in the 98-inch model as seen at the top of this post? It’s down to $1,799.99 at Best Buy (was $2,999.99).

OLED TVs are more affordable than ever before, and this Labor Day deal on Samsung’s 65-inch S90D is proof. Its currently down to around $1,197.99 ($500 off) at Amazon, Best Buy, and Walmart. The OLED panel is the star spec, of course, delivering better contrast and brightness control than any other type of screen tech. Its other specs are good, too. The TV has a 120Hz panel and four HDMI 2.1 ports, letting consoles and PCs display at 4K/120Hz. It runs on a processor that can upscale non-4K video to look better on a higher-resolution set, and can analyze what you’re watching to make objects in the foreground look closer than the background. The S90D doesn’t support Dolby Vision (typical with Samsung TVs, unfortunately), but does have HDR+ for more accurate color.

The TV has Amazon Alexa built-in, and it runs Samsung’s Tizen operating system, so you can access TV shows and movies with your voice using a microphone built into the remote. The S90D can also access Samsung’s Gaming Hub, which allows you to play games from your Steam library directly from the TV (via Wi-Fi or ethernet) rather than manually connecting it to a PC.

If you want an even larger OLED TV, the 77-inch S90D is around $1,797.99 ($602 off) at Amazon, Best Buy, and Walmart.

Samsung’s The Frame TV Pro can display artwork when you’re not actively watching video or playing games on it, and the 65-model for an all-time low price of around $1,797.99 ($400 off) at Amazon, Best Buy, and B&H Photo. The TV’s standout feature is its “Art Mode,” which allows you to display an image from Samsung’s Art Store. The store has over 2,000 images, including classics like Van Gogh’s The Starry Night, and requires a subscription that costs $4.99 per month or $49.99 per year.

Another interesting aspect of the Frame TV Pro is that you don’t need to connect video sources directly to it. Samsung’s Wireless One Connect Box contains four HDMI 2.1 ports, and sends an audio and video signal wirelessly from devices to the TV. Samsung also includes a wall mount with the Frame TV Pro.

The Frame TV Pro has a 120Hz panel, making it great for fast-moving games and other high frame rate content. Plus, its processor can upscale lower-resolution video, and can automatically adjust video settings based on what you’re watching and your environment. The Frame TV Pro has a matte display, which won’t show glare from light sources as much as an LCD or OLED screen, so the image on screen will look a little more canvas-like. The TV also has a thick white bezel around the screen, and you can pick up an optional frame to fit around the outside to make it look even more like a painting.

For a bigger model, the 75-inch Frame TV Pro is on sale for around $2,497.99 ($700 off) at Amazon, Best Buy, and B&H Photo.

Sony’s Bravia 8 II was recently voted the best TV of 2025 by a panel of experts (including The Verge’s Nilay Patel), and the 65-inch model is matching its all-time low price of around $2,998 ($1,000 off) at Amazon, Best Buy, and Walmart. The 4K OLED has a 120Hz panel, and its custom AI processor optimizes its color and contrast based on what you’re watching and playing. It has two HDMI 2.1 ports (which take full advantage of its refresh rate) and a pair of HDMI 2.0 ports that top out at 4K/60Hz.

Sony says the Bravia 8 II has studio calibration modes for Netflix, Prime Video, as well as its own Sony Pictures Core streaming service. The panel who favored the TV were comparing images on the Bravia 8 II against a $43,000 Sony reference monitor. Based on its performance in those tests, we’re confident the Bravia 8 II can display video better than top OLED TVs from Samsung, LG, and Panasonic. Although, you’ll pay a heftier price for it.

The TV has Google Assistant built in, can be controlled by an Alexa-enabled speaker, and supports AirPlay 2. Sony has also discounted the 55-inch model to around $2,298 ($1,200 off) at Walmart and Best Buy.

Update, September 1st: Updated to reflect current pricing and availability.

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September 2, 2025 0 comments
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Samsung 115-inch micro-RGB TV first look
Gaming Gear

I saw Samsung’s $30,000, 115-inch micro-RGB TV, and its vivid picture outshines mini-LED TVs

by admin August 26, 2025



Samsung’s massive, in both price and size, micro-RGB TV is barely two weeks old, but it’s making waves for those two factors as well as the promised visual quality. The 115-inch Micro RGB Samsung Vision AI Smart TV – yes, a long formal product name for sure – is out in Korea right now for 44.9 million KRW and will soon be up for order in the United States at $29,999 with more markets to follow.

I had the chance to check one out in person at Samsung’s new headquarters in New Jersey. While it wasn’t a formal testing session, it was clear from my first look that Samsung’s micro-RGB tech here is creating immersion on a grand scale with picture quality to rival even the best OLED TVs.

I also had the chance to view it after seeing the similarly sized and priced, but notably different 115” Class Samsung QN90F Neo QLED 4K TV. And while that TV looks sharp and bright, the new micro-RGB TV’s picture is much more controlled and realistic. Samsung even created a custom Micro RGB AI Engine to handle visuals in the $30,000 TV, specifically for the likes of upscaling and enhancing colors.


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(Image credit: Future/Jacob Krol)

The tech here is reflected in the name of the product category – micro-RGB TV – and it’s the first consumer release from Samsung. It uses micro-scale LEDs for the TV’s backlight, which is comprised of individual, quite tiny red, green, and blue modules. That’s the key difference here – like the best mini-LED TVs, it still uses the core principles of LCD technology, but swaps white or blue backlighting for red, green, and blue micro-scale LEDs that can be more accurately controlled. All, of course, in a quest to deliver the best picture quality.

So while this isn’t at the same level as Samsung’s The Wall microLED tech, the 115-inch micro-RGB TV is a stunner, with the ability to produce vivid, rich, and crisp colors that don’t skew super bright and end up oversaturating or blowing out a particular visual. While Samsung only had test content running on the micro-RGB TV, it looked great from all angles, not just a direct head-on view. Even at extreme angles to the left or right in the lifestyle set-up space, the micro-RGB delivered a vivid view, with reds and blues especially popping.

Having also seen the 115-inch Neo QLED 4K TV, I can confidently say it outperformed it in terms of visuals, at those angles and even head-on. It simply looked a step above, offering more accurate, realistic interpretations of colors that could still pop and get bright without skewing them out of reality. It has more than four times the dimming zones compared to top mini-LED TVs, and significantly greater color accuracy.

(Image credit: Future/Jacob Krol)

Contrast points for more stark or ones that require black were a bit more minimal in the test footage. However, since it can turn off those individual LEDs, it didn’t offer lesser performance there.

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Of course, Samsung’s 115-inch micro-RGB TV won’t be for everyone. $30,000 is a lot for a TV, especially a first-generation of sorts, and even though it’s still LCD-based, the excitement here is around the use of individual red, green, and blue micro-scale LED modules in the backlight. The pictures here don’t really do justice to the experience of viewing this, but I’m really excited about where micro-RGB is going. It does undercut Samsung’s own The Wall, which is true microLED and costs a ton more, so seeing that bits of that tech are starting to trickle down might make for more exciting developments in this space.

(Image credit: Future/Jacob Krol)

Alongside it being Samsung’s first micro-RGB TV, this 115-inch size also comes with the brand’s VisionAI tech onboard for smarter features – like asking what something is while you’re watching content – but also handles the upscaling to ensure content looks great on this grand scale. You’ll also find Samsung’s Art Store here, and you do get access to a rotating allotment of photos and art to display, even if you don’t subscribe. Although I didn’t get to try any gaming or watch F1 races, the TV does support a 144Hz refresh rate.

If you get the chance to see this TV in person, I would take the opportunity to – it’s certainly one of the best I’ve seen in quite some time.

For now, Samsung’s 115-inch micro-RGB TV is available in Korea at 44.9 million KRW and will soon be available in the United States for $29,999. You can sign up for more details on that launch here, and the company has confirmed it should roll out to more markets in the coming months. Just make sure you have the space for it.

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August 26, 2025 0 comments
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The Best Cheap TVs (2025): TCL, Hisense, and More
Gaming Gear

The Best Cheap TVs (2025): TCL, Hisense, and More

by admin August 24, 2025


The short answer is price, performance, and usability. Most regular folks who ask me about a new TV are looking for something around $500 or less. Jumping up a few hundred dollars can often get you a lot more performance, but I understand that may not be in the budget, so this list generally aims for TVs at or below that magic number. To get there, we sometimes sacrifice size, often recommending 55-inch models rather than the 65-inch size that’s becoming the industry standard. Not everyone needs a larger screen, and the larger you go, the more you’ll notice performance imperfections.

As TVs get increasingly bigger, it’s also getting harder to find good TVs smaller than 55-inches, especially if you want features like High Dynamic Range and quantum dot colors that make for a much more vibrant and impactful picture. These features often go hand-in-hand with 4K resolution, so while you may not mind getting an HDTV at smaller sizes, all the TVs we’ve recommended offer 4K resolution. Wherever possible, we look for models that offer various size options to cater to all buyers and use cases.



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August 24, 2025 0 comments
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LG C1 OLED TV
Gaming Gear

OLED Burn-In: What You Need to Know for TVs, Phones and More

by admin August 24, 2025


The best TVs, the best phones and one of the best game consoles — the Nintendo Switch OLED — have one thing in common: They have OLED screens. Organic light-emitting diode screens offer performance that a traditional LCD screen just can’t match. They have incredible contrast ratios that make the image look much more lifelike. It’s why companies like LG, Sony, and now Samsung have OLED at the top of their TV model lines. The same is true for Apple, Samsung, Google and others on the phone side. OLED screens offer the best picture quality currently available. Unfortunately, there is one, big potential downside: burn-in.

Burn-in is when part of an image — such as navigation buttons, persistent icons on a phone, a channel logo, news ticker or a scoreboard on a TV — remains visible as a ghostly background no matter what else appears onscreen. Apple’s support page for the OLED screen iPhones touts that they’ve been designed to reduce the effects of OLED burn-in, even as it acknowledges that burn-in can occur in “extreme cases.” Google’s Pixel phone support page says burn-in can happen “when the same image stays on your screen for a long time at a high brightness” and recommends steps to reduce it. 

Brett Pearce/CNET

In the TV world, LG has a page that says “It is rare for an average TV consumer to create an environment that could result in burn-in.” Nonetheless, stories of OLED burn-in don’t seem rare online, with owners on YouTube, forums and social media reporting the issue. Reviews site RTings has also demonstrated burn-in with long-term tests (more on that below).

The fact is that all organic light-emitting diode screens can experience burn-in, and from everything we know, they’re more susceptible than standard liquid crystal displays (LCDs), which at the moment is every mainstream TV that’s not OLED. 

If the mere possibility of burn-in is your primary concern, the decision is simple: Buy an LCD-based display instead. Know that you’re sacrificing the best picture quality that money can buy. Here are some points to keep in mind:

  • Burn-in is possible with OLED, but not likely with normal use.
  • Most “burn-in” is image retention, which goes away after a few minutes.
  • You’ll almost certainly see image retention long before it becomes permanent burn-in.
  • Generally speaking, burn-in is something to be aware of, but not worry about.

Burn-in can be caused by leaving a single image onscreen for a very long time.

Is screen burn-in still a problem? Not for most people

All things considered, burn-in shouldn’t be a problem for most people. That’s why we at CNET continue to recommend OLED-based TVs, phones and other devices in our reviews. From all of the evidence we’ve seen, burn-in is typically caused by leaving a single, static image element, like a channel logo or “chyron”, onscreen for a very long time, repeatedly. 

If you, like most people, watch a variety of content on your TV, phone, or other device with an OLED screen, you’re not going to need to worry about burn-in. 

How to avoid burn-in on an OLED screen

What can you do to prevent burn-in on that new TV? As I mentioned, vary what you watch a bit. In particular, don’t watch something that has the same static areas displayed onscreen, nonstop for days on end. 

Both Sony and LG told CNET that the best way to prevent burn-in or image retention on their TVs is to avoid static images.

“To avoid the possibility of burn-in, consumers should avoid leaving static images on an OLED screen for long periods of time. For example, leaving a video game paused onscreen for several hours or days,” a Sony spokesperson said.

The logos and news tickers on cable news channels are examples of those static areas — they have elements that never move, and they remain on screen the entire time you’re watching. That means if you leave your TV running Fox News, CNN, MSNBC or ESPN all day long and don’t watch enough other programming, you’re more likely to get burn-in. Or at least, image retention, which we’ll discuss in a moment. If you play the same game for 8 hours a day, every day, the onscreen status display or HUD is also a likely culprit for burn-in.

To repeat, you can watch those channels, play games or whatever else to use your TV as a TV, your phone as a phone, etc. You just shouldn’t watch only those channels, all day every day. And if that sounds extreme, know that emails I’ve gotten from readers about burn-in always have some variation on “well I only watched that channel for 5 hours a day.” If that sounds like you, get an LCD. 

As long as you vary what’s displayed, chances are you’ll never experience burn-in. That varied content will age your screen evenly. In 24-hours, you could watch a movie, play some games or binge some TV shows, and they’re all varied enough that you should be fine.

The RTings torture test I mentioned above lasted the equivalent of 5 years of use and it still says “Our stance remains the same, we don’t expect most people who watch varied content without static areas to experience burn-in issues with an OLED TV.” It has updated its testing with some of the new QD-OLED models. More on that in its own section below.

Nintendo Switch OLED: What to know about burn-in on your gaming console’s screen

Dan Ackerman/CNET

Nintendo updated its beloved Switch handheld gaming console with a few improvements, including an OLED screen. This offers a far better image than the fairly unimpressive screen on the original Switch. As you’ve read above, games are one of the potential issues that could lead to image retention or, worst case, burn-in. Here’s what Nintendo had to say when CNET asked about burn-in:

We’ve designed the OLED screen to aim for longevity as much as possible, but OLED displays can experience image retention if subjected to static visuals over a long period of time. However, users can take preventative measures to preserve the screen [by] utilizing features included in the Nintendo Switch systems by default, such as auto-brightness function to prevent the screen from getting too bright, and the auto-sleep function to go into ‘auto sleep’ mode after short periods of time. 

Which is to say, Nintendo is fully aware of this potential issue and has taken steps to minimize the risk. Despite many games having static HUDs, you’d need to play just that one game, for hours upon hours, every day without ever using the screen for anything else, at the highest brightness settings. 

If that’s you and you regularly play only one game all day, every day, for weeks with brightness set to maximum, get the non-OLED version of the Switch, which is cheaper anyway. For everyone else, the better image quality of the OLED version might be worth the upgrade. 

Read more: Nintendo Switch OLED screen burn-in: Why you shouldn’t be worried

Image retention vs. burn-in: What’s the difference?

Let’s get the descriptions right. Though often used interchangeably, “image retention” and “burn-in” are not the same thing. 

  • Image retention is temporary: It goes away in time.
  • Burn-in is permanent: It does not go away.

Image retention occurs when parts of an image temporarily “stick” on the screen after that image is gone. Let’s say for an hour you’re looking at a still picture of a white puppy (hey, you do you, I won’t judge). Then you decide to watch a movie. Let’s say Best in Show, because you’re keeping with your theme. As you’re watching you can still see the white puppy image, as if it’s a ghost on the screen, staring at your soul.

You’re not crazy, probably. That’s just an extreme case of image retention. Chances are it will go away on its own as you watch stuff that isn’t the same still image of the puppy.


Enlarge Image

Here’s a section of a 2018 LG C8 OLED TV screen displaying a gray test pattern after 5 hours of watching CNN in the brightest (Vivid) mode. They’re the same image, but we’ve circled the section with the logo on the right to highlight it. To see it better, turn up the brightness. In person, it’s more visible in a dark room, but much less visible with moving images as opposed to a test pattern. Since it disappeared after running LG’s Pixel Refresher (see below), this is an example of image retention and not burn-in.

Sarah Tew/CNET

Now imagine you leave your TV on for days or weeks instead of hours, showing the same image the whole time. Then you might be in trouble. With image retention, usually just watching something else for a while will make the ghost image disappear. With burn-in, it’s going to remain there for a while. Maybe not forever, but perhaps longer than you’d want. Anything that stays on screen for a long time and doesn’t change can cause image retention and perhaps, eventually, burn-in.

With your phone, the operating system itself is one of the most likely candidates to cause the issue. My 2015 
Samsung Galaxy S6 Edge
started to get burn-in after about a year. It started showing up very subtly, but after 18 months I bet most people would have noticed it. The top info bar where the notifications appear, and the lower third where the keyboard would show, didn’t age as much as the remaining middle area. Since it was brighter, the middle area aged faster, so it “burned in” more. I noticed the difference if I was watching something full screen, a video say, and the image went to a solid color. After 2+ years with a Pixel 2 (not the XL), which also has an OLED screen, no burn-in was apparent. Six years on with the S6 Edge, now in the not-so-careful hands of a friend, the burn-in doesn’t seem to have gotten any worse compared to mid-2017.

Apple, for one, flags users of OLED-screened iPhones, like the X, 11 and 12, that burn-in is a possibility. Here’s the quote from its support page for the products:

With extended long-term use, OLED displays can also show slight visual changes. This is also expected behavior and can include “image persistence” or “burn-in,” where the display shows a faint remnant of an image even after a new image appears on the screen. This can occur in more extreme cases such as when the same high contrast image is continuously displayed for prolonged periods of time. We’ve engineered the Super Retina and Super Retina XDR displays to be the best in the industry in reducing the effects of OLED “burn-in.”

What’s colloquially called “burn-in” is actually, with OLED, uneven aging. OLEDs don’t “burn in” as much as they “burn down.” The candle that burns twice as bright burns half as long, right? OLED pixels very, very slowly get dimmer as they’re used. In most cases this isn’t an issue since you’re watching varied content and all the pixels, on average, get used the same amount. But if you’re only watching one thing, that one thing could cause uneven wear. Visually, and in the vernacular, this wear is called “burn-in.” “Uneven wear” is more accurate, but it also has a lot more syllables.

Also, OLED technology has gotten better. Billions of dollars have been spent on OLED manufacturing and R&D, and that’s ongoing. Stories you may have heard about “burn-in” likely entered the zeitgeist years ago about older OLED displays. You just don’t hear about newer OLEDs having these issues, except in extreme situations like those discussed above. You’d likely hear a LOT more stories about OLED now that the two largest phone manufacturers, and many smaller ones, use OLEDs in millions of phones and have for years. 

Testing found burn-in is more likely for OLED screens than LCD

CNET has not conducted any long-term real-world tests of OLED burn-in. In our experience reviewing TVs, CNET has seen image retention on OLEDs that disappeared quickly, for example after running a series of static test patterns, but nothing permanent.

The most comprehensive independent tests for burn-in on TVs were run by the review site RTings. In August 2017 they began their burn-in torture test with LCD and OLED TVs, followed by a “real life” torture test in 2018. They stopped regularly updating the test in 2020, but that was after the equivalent of 5 years of normal use on multiple TVs, and still, they felt that most people would never have an issue with burn-in. 

Before you check it out, keep in mind what they’re doing is not normal use. You’d have to be trying to wreck a TV to make it look that bad, which is literally what they’re trying to do. That said, the information is still valuable, and the main takeaway is that OLED is indeed more susceptible to burn-in than LCD.

RTings started a new test of 100 TVs in early 2023, hoping to get a sense of longevity between brands and models. This test doesn’t focus specifically on burn-in, but burn-in and image retention will be measured and high rates of either will certainly dock longevity points.

What about QD-OLED?

Samsung

Samsung and Sony also have a version of OLED that includes quantum dots. All the panels are made by Samsung at a new factory in South Korea. These QD-OLEDs have the potential to outperform LG’s version of OLED, referred to as “WOLED” due to its use of a white sub-pixel. Theoretically, QD-OLED shouldn’t be any more susceptible to burn-in, but some recent tests by RTings have found some interesting results in some early accelerated testing.

After three months of constant use running images likely to burn in (i.e. not mixed content like most people would watch on a display), QD-OLED TVs from Samsung and Sony are showing signs of burn-in, while the LGs in the same test are not. Their current working theory is that, because the white sub-pixel allows for brighter white parts of an image, aka the most likely to burn in, it doesn’t degrade the colored subpixels, which all have to run at maximum in a QD-OLED to create white. On a WOLED TV, there’s less of a chance for these burn-in-prone areas to do so.

Does this change our opinion about OLED? No, and it doesn’t change RTings’ opinion either. Its test is an extreme use case. Essentially watching CNN, and only CNN, for 4 hours a day for 8 months. I don’t recommend anyone watch any news channel that much for myriad reasons, not least because the scrolling ticker at the bottom could burn in. It might give computer users pause, at least those considering QD-OLED computer monitors, which are starting to appear on the market.

Screen burn-in is (usually) not covered under warranty

In their warranties, LG and Sony explicitly state that image retention and burn-in are not covered on their OLED TVs. When CNET reached out to LG a couple to ask why, a representative replied: 

“There is generally no warranty coverage for image retention by TV companies and display manufacturers. Image retention may result when consumers are out of normal viewing conditions, and most manufacturers do not support warranty for such usage regardless of the type of display,” said Tim Alessi, former director of new products at LG.

Sony’s reply was similar: “Our warranty covers product and manufacturing defects. Burn-in is not covered as it is caused by consumer usage and is not a product defect.”

Neither the iPhone warranty nor AppleCare explicitly mention burn-in, but neither apply to “normal wear and tear,” and Apple’s support page above makes clear that it considers burn-in “expected.” 

It’s also worth mentioning that most LCD TV warranties don’t cover burn-in either and most don’t mention it at all. The closest Samsung’s warranty comes on its QLED TVs, for example, is to specifically exclude coverage of “brightness related to normal aging or any other issues if the TV is used for commercial or non-normal consumer use. Samsung does not warrant uninterrupted or error-free operation of the product.”

When CNET reached out to Samsung for details, the representative defined “normal consumer use” as “use of the product by consumers in a home environment for viewing content and/or gaming in a typical manner. It doesn’t cover business use.” In other words, those ESPN logos you see burned into the screens at your local sports bar would not be covered.

Extended warranties don’t typically cover burn-in either. One of the most common, SquareTrade, is available from Amazon,
Walmart
, and others. They explicitly don’t cover burn-in. Best Buy’s Geek Squad Protection Plan might, depending on when you bought it. The latest version only explicitly covers burn-in on phones. 

How to use a TV’s image refresh technologies 

The unfortunate fact is that if you do get burn-in on your OLED display, you’re pretty much stuck with it. So your best bet is to avoid it altogether. How? Apart from avoiding static images, here’s what else you can do.

Firstly, turning down the brightness (controlled by “OLED Light” on LG’s sets, and Brightness on Sonys) will help, especially when you’re watching the content that causes the image retention. Choosing a dimmer picture mode, like Cinema instead of Vivid, has the same effect. You’d only need to do this when watching something that causes image retention, like a video game for six hours every night, or 24-hour cable news for 24 hours straight. 

OLED TVs, like the 2018 LG shown here, have a few different ways to avoid and try to fix image retention.

Sarah Tew/CNET

Pretty much all OLED TVs also have user settings to minimize the chance of uneven wear or burn-in. One is called something like “Screen Shift” (on LGs) or “Pixel Shift” (on Sony’s), which moves the image slightly around the screen. They also have built-in screensavers that pop up after extended idle time. You should also enable screen savers on connected devices like game consoles and streamers.

To remove image retention, the TVs can also perform “refreshers” on a daily or longer-term basis. On Sony TVs the feature is called “Panel Refresh,” and LG calls it “Pixel Refresher.” It can be run manually if you notice image retention or, in the case of LG, you’ll get a reminder to run it after 2,000 hours. 

LG also has a Daily Pixel Refresher, which it says “automatically operates when users turn off the TV after watching it for more than four hours in total. For example, if a user watched TV for two hours yesterday and three hours today (more than four hours in total), when powered off the Daily Pixel Refresher will automatically run, deal with potential image retention issues, and reset the operation time. This process will occur when the TV is powered off after every four hours of cumulative use, even if it’s in one sitting.”

In all cases, the pixel refresher looks like a horizontal line that runs down the screen, for an hour or more. It’s designed to even the wear on pixels. 

Here’s the Panel Refresh screen on Sony’s A1E OLED TV. Just like on LG’s OLEDs, it’s designed to remove image retention by scrolling a horizontal bar down the screen for an hour or so.

David Katzmaier/CNET

When it comes to phones I wouldn’t be too concerned, since it’s likely you’ll replace the phone far sooner than any image retention/burn-in issues become bothersome. Regarding my aforementioned S6 Edge, even though I noticed it, I wouldn’t say the burn-in reduced my enjoyment of the phone. I was never watching a video and thinking, “Wow, I can’t enjoy this video because of the burn-in.” Since the phone was in use by its second owner twice as long as I had it, and was only let down by its battery, burn-in clearly wasn’t a dealbreaker. My friend replaced it with a Pixel 4a, which also has an OLED screen. Even after 4 years with that screen, he still preferred to get a phone with OLED.

With TVs, beyond the methods outlined above, there’s not much you can do to reverse burn-in. In theory, I suppose, you could create an inverse image using Photoshop and run that on your screen for a while. This could age the rest of the panel to more evenly match the “burned in” area. Figuring out how to do this is well beyond the scope of this article, and you’d need to be pretty well-versed in Photoshop to even attempt it.

The recap: Most people shouldn’t worry about OLED burn-in

You’ve noticed a ghostly image on your TV or phone screen. If it goes away after a few minutes of watching something else, it’s image retention and it’s probably nothing to worry about. If it “sticks” longer, or you’re repeatedly seeing that same residual image, it’s burn-in. With phones, you’ll likely replace it before the screen becomes an issue.

With OLED TVs, it’s something to keep in mind if you’re a TV news junkie, or only ever play one video game. Keep an eye out for image retention or uneven wear. If you spot it, perhaps switch up your viewing habits, adjust the TV’s settings, or run the pixel refresher a few times. If you watch content with hours of the same static image each day, or just keep CNN, Fox or CNBC on in the background all day, you should probably get an LCD TV.

If you vary your TV viewing habits like most people, however, it won’t be an issue. Even so, caveat emptor. Or as Caesar himself once said, “Conscientiam autem ardeat sed non anxius” (be aware of burn-in, but not concerned). He was, we hear, a big iPhone fan.

As well as covering TV and other display tech, Geoff does photo tours of cool museums and locations around the world, including nuclear submarines, massive aircraft carriers, medieval castles, epic 10,000-mile road trips, and more. Check out Tech Treks for all his tours and adventures.

He wrote a bestselling sci-fi novel about city-size submarines and a sequel. You can follow his adventures on Instagram and his YouTube channel.





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