is lg making the lcd panel for the lcd iphone free sample

LG Display has ceased making LCD iPhone screens, and abandoned hopes of doing so in the future, according to a supply-chain report. Separately, the company has stated that it may cease making its own smartphones.

LG once rivaled Samsung as a key supplier of iPhone screens, and Apple benefited from having two companies able to meet both technical and volume requirements. Two suppliers provided redundancy in Apple’s supply-chain, as well as giving the company negotiating strength when it came to allocating orders to the two companies.

Things changed when Apple began transitioning to OLED with the iPhone X. LG was late to recognize the industry trend from LCD to OLED, and was ill-prepared for Apple’s switch. That left Samsung as the sole supplier for Apple’s flagship phones for some time.

LG did finally manage to catch up and win Apple OLED orders, but suffered technical problems even after doing so – and Samsung still retains a technical lead.

LG Display has halted production of liquid crystal display (LCD) panels for iPhones, TheElec has learned […] LG Display halted iPhone LCD production at its AP3 line at Gumi in the third quarter. The line also stopped making panels for other phones as well in the fourth quarter.

For LG Display, the LCD line for iPhones has been low in profitability. Apple also used organic light emitting diode (OLED) panels instead for its iPhone 12 series. Sales of iPhones with OLED is also expected to exceed that of those with LCD panels this year.

Apple’s LCD model, iPhone SE, which launched last year, will use LCD panels by JDI and Sharp instead. LG Display had previously attempted to supply LCD for the 2019-model iPhone SE but failed.

The factory which made the LCD screens is reportedly being repurposed to make display panels for cars. LG is the current market leader in automobile displays of nine inches or larger.

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For most customers, visiting a professional repair provider with certified technicians who use genuine Apple parts is the safest and most reliable way to get a repair. These providers include Apple and Apple Authorized Service Providers, and Independent Repair Providers, who have access to genuine Apple parts.* Repairs performed by untrained individuals using nongenuine parts might affect the safety of the device or functionality of the display. Apple displays are designed to fit precisely within the device. Additionally, repairs that don"t properly replace screws or cowlings might leave behind loose parts that could damage the battery, cause overheating, or result in injury.

Depending on your location, you can get your iPhone display replaced—in or out of warranty—by visiting an Apple Store or Apple Authorized Service Provider, or by shipping your iPhone to an Apple Repair Center. Genuine Apple parts are also available for out-of-warranty repairs from Independent Repair Providers or through Self Service Repair.*

The iPhone display is engineered together with iOS software for optimal performance and quality. A nongenuine display might cause compatibility or performance issues. For example, an issue might arise after an iOS software update that contains display updates.

* Independent Repair Providers have access to genuine Apple parts, tools, training, service guides, diagnostics, and resources. Repairs by Independent Repair Providers are not covered by Apple"s warranty or AppleCare plans, but might be covered by the provider"s own repair warranty. Self Service Repair provides access to genuine Apple parts, tools, and repair manuals so that customers experienced with the complexities of repairing electronic devices can perform their own out-of-warranty repair. Self Service Repair is currently available in certain countries or regions for specific iPhone models introduced in 2021 or later. To view repair manuals and order parts for eligible models, go to the Self Service Repair page.

Many Apple products use liquid crystal displays (LCD). LCD technology uses rows and columns of addressable points (pixels) that render text and images on the screen. Each pixel has three separate subpixels—red, green and blue—that allow an image to render in full color. Each subpixel has a corresponding transistor responsible for turning that subpixel on and off.

Depending on the display size, there can be thousands or millions of subpixels on the LCD panel. For example, the LCD panel used in the iMac (Retina 5K, 27-inch, 2019) has a display resolution of 5120 x 2880, which means there are over 14.7 million pixels. Each pixel is made up of a red, a green, and a blue subpixel, resulting in over 44 million individual picture elements on the 27-inch display. Occasionally, a transistor may not work perfectly, which results in the affected subpixel remaining off (dark) or on (bright). With the millions of subpixels on a display, it is possible to have a low number of such transistors on an LCD. In some cases a small piece of dust or other foreign material may appear to be a pixel anomaly. Apple strives to use the highest quality LCD panels in its products, however pixel anomalies can occur in a small percentage of panels.

In many cases pixel anomalies are caused by a piece of foreign material that is trapped somewhere in the display or on the front surface of the glass panel. Foreign material is typically irregular in shape and is usually most noticeable when viewed against a white background. Foreign material that is on the front surface of the glass panel can be easily removed using a lint free cloth. Foreign material that is trapped within the screen must be removed by an Apple Authorized Service Provider or Apple Retail Store.

If you are concerned about pixel anomalies on your display, take your Apple product in for closer examination at an Apple Store, Apple Authorized Service Provider, or an Independent Repair Provider. There may be a charge for the evaluation. Genuine Apple parts are also available for out-of-warranty repairs through Self Service Repair.*

Apple has determined that some iPhone X displays may experience touch issues due to a component that might fail on the display module. An affected device may exhibit the following:

Choose one of the options below to have your iPhone X serviced. Your iPhone will be examined prior to any service to verify that it is eligible for this program.

If your iPhone X has any damage which impairs the ability to complete the repair, such as a cracked screen, that issue will need to be resolved prior to the service. In some cases, there may be a cost associated with the additional repair.

Use our “Get an Estimate” tool to review potential costs if you get service directly from Apple. The prices shown here are only for screen repair. If your iPhone needs other service, you’ll pay additional costs.

If you go to another service provider, they can set their own fees, so ask them for an estimate. For service covered by AppleCare+, your fee per incident will be the same regardless of which service provider you choose.

Your country or region offers AppleCare+ for this product. Screen repair (front) is eligible for coverage with a fee by using an incident of accidental damage from handling that comes with your AppleCare+ plan.

The Apple Limited Warranty covers your iPhone and the Apple-branded accessories that come in the box with your product against manufacturing issues for one year from the date you bought them. Apple-branded accessories purchased separately are covered by the Apple Limited Warranty for Accessories. This includes adapters, spare cables, wireless chargers, or cases.

Depending on the issue, you might also have coverage with AppleCare+. Terms and Conditions apply, including fees. Feature availability and options may vary by country or region.

We guarantee our service, including replacement parts, for 90 days or the remaining term of your Apple warranty or AppleCare plan, whichever is longer. This is in addition to your rights provided by consumer law.

Replacement equipment that Apple provides as part of the repair or replacement service may contain new or previously used genuine Apple parts that have been tested and pass Apple functional requirements.

However, if the digitizer or LCD is also damaged during a fall, that screen no longer carries value because it cannot be refurbished. Repair shops cannot sell broken LCDs to refurbishing companies; therefore, they cannot offset the cost of an LCD repair. That is why repair stores often charge a little extra if there is damage to the LCD or digitizer, to make up for that loss. Repair stores that don’t have an additional charge for an LCD repair typically inflate their glass repair price to make up for the loss from damaged LCDs. If they have one price, that means everyone is paying more to cover the cost of customers who have damaged LCDs and customers who only have cracked glass. This is why TCR separates the price of glass and LCD repairs for you! If you only have cracked glass, you only have to worry about paying to replace the cracked glass.

If your phone or tablet’s glass is shattered there will be cracks or chips on the screen itself. If it is just the glass that is damaged, the device may still function and you may be able to use it normally. If this is the case, it is likely that only the glass needs to be replaced. To prevent further damage to your device it is best to get it repaired quickly. For example, if liquids seep through the cracks it could cause permanent damage to the LCD.

Many people may continue to use their touchscreen with shattered glass and delay fixing the glass on their devices; however, if the touchscreen isn’t responsive, it could be a sign of more significant damage to the device’s digitizer which is integrated with the LCD screen.

A pixelated screen can indicate LCD damage. This would look like a patch of multicolored dots, a line or lines of discoloration, or a screen with rainbow colors. For many people, these colors are an easy way to know that their LCD is broken and that they should get it repaired.

Dropping your phone isn’t the only reason you’ll end up with a pixelated screen. Over time, your screen’s LCD may break down through regular use. This happens to other devices aside from your smartphone or tablet. Pixelation can happen to TVs and computers, too. People typically decide to buy a new device when this happens. Fortunately, with an LCD repair, you can fix the device without needing to replace it.

A black screen or black spots on your smartphone or tablet is an indication of a damaged LCD. Often with a bad LCD, a phone may still turn on and make noises, but there is no clear picture. This does not necessarily mean any other part of the phone is damaged and a simple screen replacement will get it functioning again. Sometimes it can mean a battery or other internal component is damaged. It is best to have a highly qualified phone repair technician diagnose what is wrong so the appropriate repair can be made.

Fortunately, your mobile device is fixable whether you cracked the glass or damaged the LCD. Stop by or call TCR: Triangle Cellular Repair at (919) 263-2699 for a free diagnostic and quick, affordable cell phone repair in Chapel Hill and surrounding areas. We’re always happy to help!

LG Smart Signage Platform webOS allows easy integration and expansion with intuitive UX and various value-added solutions. LG will revolutionize the way you conduct business.

A web-based multipurpose platform in which a variety of solutions are easily applicable. Based on high performance SoC(System-on-Chip), it can execute several tasks at once and provides smooth content playback, enhancing user convenience with intuitive UI and simple app development tools.

The embedded CMS (Content Management System) allows you to edit and play content, schedule a playlist and even group and control signages via remote control without needing a separate PC or software. This makes content management much easier and user-friendly.

PBP (Picture-By-Picture) and PIP (Picture-In-Picture) enables up to two divided split screens in landscape or portrait display format enabling users to more flexibly allocate space for each content source.

Various types of IP video streaming protocols such as RTSP/RTP/HLS and UDP Multicast are supported for real-time content streaming. It is easy to manage content as it is free from capacity limits for content playback, and provides live broadcasts.

In case of malfunctions or errors, real-time remote care is available. When an alarm occurs, an e-mail notification is sent using SuperSign SW or SI SW via the SNMP Protocol.

LG webOS supports connections with external sensors such as GPIO, NFC/RFID, temperature sensors, etc. via USB plug-in. The overall cost of ownership is reduced as there’s no need to purchase additional software or media players.

Multi-touch applications are supported by the webOS display itself. It provides smooth and accurate multi-touch functionality to precisely meet customers" needs to interact with the display.

*The above program is indicative only and serves only as example. The actual program may vary by country or region. Please contact local office for more information.

Tap into entertainment that moves with you. Introducing the LG StanbyME touch screen display, the ultimate home entertainment screen. This LG rolling screen is designed to give you multiple adjustment options and built-in battery so your StanbyME wireless screen can move with you to the living room, the kitchen, the patio, or wherever your day takes you.

The LG StanbyME (27ART10AKPL) features a versatile swivel screen that allows you to rotate and adjust to your liking. The stand is also adjustable, making it the perfect home workout screen while doing exercises on the floor, or a great kitchen touch screen to display recipes by your counter. However you like to move, the LG StanbyME moves with your lifestyle.

The StanbyME is the ultimate home entertainment screen, perfect to pair with your phone, tablet or laptop. With one tap of your device, you can connect to the rollable screen and unlock a more immersive and customizable experience. Watch movies, video chat with loved ones, or study on a bigger touch screen display that brings your content to the next level.

Revamp home workouts, cooking, and more with the rollable touchscreen design of the LG StanbyME (27ART10AKPL). Discover more LG Lifestyle Products to add style and ease to your home.

LG has the #1 UltraWide*, Gaming** and UHD monitors*** in the country, making it easy to find the right monitor for all that you do. LG 4K monitors, LED monitors and 5K monitors have the features and style to help you get the job done.

LG Curved UltraWide Monitors offer a large panoramic view and 4-screen split capability so you can see more of your work at once. The LG collection of UltraWide PC monitors include Freesync Monitors and IPS monitors. Find the best computer monitors for designers, photographers, gamers and other professionals who need more room for big ideas.

If you are looking for a brilliant 4K monitor or a breathtaking 5K monitor, shop LG UltraFine™ Monitors. Our UltraFine™ collection includes stunning IPS monitors for incredible clarity.

Bring your gameplay to the next level with LG UltraGear™ Gaming Monitors. Find wide monitor screens with the latest gamer-approved features like NVIDIA G-SYNC™ compatibility, and vibrant IPS monitor display.

Whether you"re looking for a computer monitor for your home office, or need a new UHD monitor to elevate your play, we"ve got you covered. Check out all the latest monitors from LG – including our 4K,IPS and LCD monitors as well as our UltraGear™,

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The latest iPhone has one of the best displays of any smartphone you can buy. That"s always been true. What"s interesting in 2016 is that Apple manages to be among best despite using LCD, a technology every other flagship has left behind.

The Galaxy S7 and Note 7. The Nexus 6P. The Moto Z. The LG G5. The OnePlus 3. Take any high-end smartphone, and what you see on the front isn"t LCD, like the iPhone 7. It"s OLED (or AMOLED, which is similar enough for our purposes that we"ll conflate the two). There"s good reason for that, says Ray Soneira, president of DisplayMate Technologies.

"[OLEDs are] much thinner, much lighter, with a much smaller bezel providing a near rimless design, they can be made flexible and into curved screens," writes Soneira in a post analyzing the iPhone 7"s display prowess. "Plus they have a very fast response time, better viewing angles, and an always-on display mode."

That may seem like an odd thing to write in the context of extolling the LCD iPhone"s virtues. But the iPhone 7 lacking those attributes makes its performance all the more impressive.

Apple"s latest smartphone may look like the two that came before it, but its display is one of the components that has leveled up considerably. Soneira found that it beat its forbearer in basically every measurable regard. It also beats out smartphone displays of any stripe for important attributes like peak brightness and highest absolute color accuracy.

It"s not necessarily the best display overall; the Galaxy 7 was DisplayMate"s pick for best OLED display, and choosing a winner amounts to a toss-up. "They are both great state-of-the-art displays," says Soneira. "But OLEDs and LCDs have different inherent native strengths and weaknesses, so neither display wins in all display performance categories."

What"s intriguing is that the iPhone 7 comes close at all, given just how many strengths OLED has. In addition to the attributes Soneira named above, OLED can also be more power-efficient, as it requires enough juice to light only the individual pixels that need it, as opposed to LCD, which depends on a single backlight to fire up your display.

So how did Apple do it? Color, for one. It"s one of just three smartphone manufacturers to support the new DCI-P3 wide color gamut that"s used in 4K televisions. The other two are Samsung and LG, two companies that also happen to make 4K televisions. On a smartphone-sized screen, rich, accurate color representation matters to your eyes more than the number of pixels you can squeeze in.

"Since the iPhone 7 has a Retina display it doesn"t need the 4K resolution," says Soneira. "It already appears perfectly sharp at its normal viewing distances."

In fact, the iPhone 7 has the highest absolute color accurace of any display of any kind measured by DisplayMate, meaning it beats out even high-end HDTVs and monitors. The upshot? Those high-tops you were thinking of buying will show up on your doorstep the exact shade of green that they were at Zappos.com.

The only downside is that it looks as though Apple may have hit the limits of what it can accomplish with LCD in a smartphone. In fact, despite being largely the same technology, the iPhone 7 display falls short of the killer iPad Pro"s because smartphones don"t play as nice with the tablet"s scratch-friendly anti-reflective coating. An LCD display can also never curve, or flex, or offer quite the same efficiency as its OLED counterpart, no matter how advanced it gets.

That explains, at least in part, reports that Apple will be shifting to OLED next year---supplied at least in part by LG and Samsung---in at least one model. The iPhone may be the best LCD smartphone display out there, but there"s not much competition for the title. Everyone else has already moved on to what"s next.

Shopping for a new TV sounds like it could be fun and exciting — the prospect of a gleaming new panel adorning your living room wall is enough to give you goosebumps. But with all the brands to choose from, and different smart capabilities (we can explain what a smart TV is) to weigh, as well as the latest picture tech to consider, it can be daunting. Is this article, we compare OLED vs. LED technology to see which is better for today’s modern TVs. Once you determine which panel type is best for you, make sure you check out our list of the best TVs to get our editor’s recommendations.

If you’re in the market for a TV, you’ve likely heard the hype regarding OLED models. They’re thin, light, and offer incredible contrast and color that’s second to none. OLED is only one letter apart from the more common display type, LED, so what gives? Can they really be that different? In a word: Yes. That extra “O” makes a big difference, but it doesn’t automatically mean an OLED TV will beat an LED TV in every use case. Some TV manufacturers like Samsung use their own technology, called QLED to confuse consumers even more. Make sure that you spend some time looking at our comparison piece: QLED vs. OLED technology before you make your purchase decision.

When OLED TVs first arrived in 2013, they were lauded for their perfect black levels and excellent color, but they took a bit of a hit due to brightness levels that couldn’t compete with LED TVs. There was also a huge price gap between OLED TVs (not to be confused with QLED) and their premium LED counterparts. In fact, legend has it that OLED used to mean “only lawyers, executives, and doctors” could afford them. Thankfully, that’s no longer the case.

OLED TVs are much brighter than they used to be, and the prices have come down, especially with brands like Sony introducing competitive options in 2021. The LED market is due for a bit of a shake-up, too. For now, however, it’s time to take a look at how these two technologies differ and explore the strengths and weaknesses of each.

Non-OLED TVs are made of two main parts: An LCD panel and a backlight. The LCD panel contains the pixels, the little colored dots that make up a TV’s image. On their own, pixels cannot be seen; they require a backlight. When light from the backlight shines through an LCD pixel, you can see its color.

The “LED” in LED TV simply refers to how the backlight is made. In the past, a thicker and less-efficient technology called CCFL (cold-cathode fluorescent light) was used. But these days, virtually every flat-screen TV uses LEDs as its source of backlighting. Thus, when you see the term “LED TV,” it simply refers to an LED-backlit LCD TV.

That said, not all LED TVs are created equal. There can be differences in the number and quality of the LEDs used, which leads to differences in things like brightness and black levels. You may also have seen something called “QLED TV.” This is a type of LED TV that uses quantum dots to achieve better brightness and color. We’ll discuss QLED more below, but here’s a great overview of the differences between QLED and OLED TVs.

The “OLED” in OLED TV stands for “organic light-emitting diode.” OLEDs have the unusual property of being able to produce both light and color from a single diode when they’re fed electricity. Because of this, OLED TVs don’t need a separate backlight. Each pixel you see is a self-contained source of color and light.

Some of the inherent benefits of OLED screens are that they can be extremely thin, flexible, and even rollable. But the biggest benefit when we compare them to LED TVs is that each individual pixel receives its own luminance and power (as opposed to LED TVs, which have persistent pixels that require an external source of light to see). When it’s on, you can see it. When it’s off, it emits no light at all — it’s completely black. We’ll discuss how this affects black levels in a moment.

Currently, LG Display is the only manufacturer of OLED panels for TVs, famed for top-line models like the CX. Sony and LG have an agreement that allows Sony to put LG OLED panels into Sony televisions — like the bright X95OH — but otherwise, you won’t find OLED in many other TV displays sold in the U.S.

The differences in performance between LG’s OLED TVs and Sony’s result from different picture processors at work. Sony and LG have impressive processors that are also unique to each brand, which is why two TVs with the same panel can look drastically different. A good processor can greatly reduce issues like banding and artifacting and produce more accurate colors as well.

Other brands that source panels from LG include Philips, Panasonic, HiSense, Bang & Olufsen, and more. You’ll also see lesser-known brands sparingly, but for now, they’re all getting their panels from the same source.

Samsung does make OLED smartphone panels, and the company recently announced it would start building new TV panels based on a hybrid of QLED and OLED known as QD-OLED, but it will be a few more years before we see the first TVs that use this technology.

Though they don really similar acronyms, an OLED TV is not the same as a QLED TV. The latter is actually based on LED tech, but it uses a technique that overlays self-emissive quantum dots over the pixels that help produce better brightness, vividness, and color accuracy. QLED is more of an iterative step than a generational leap, and though we’d certainly recommend buying one if OLED is out of reach, expect its eventual deprecation as technologies like quantum dot OLED (QD-OLED) and microLED take hold.

Despite the name, microLED has more in common with OLED than LED. Created and championed by Samsung, this technology creates super-tiny, modular LED panels that combine light emission and color like OLED screens do, minus the “organic” part. For now, the technology is primarily being used for extra-large wall TVs, where colors, blacks, and off-angle viewing are excellent but with more potential for greater brightness and durability than OLED TVs.

For the average consumer, microLED isn’t anything to consider yet. It remains difficult to scale down to less-than-gigantic TVs, and it’s unlikely to hit homes for another couple of years when it will still be exceedingly expensive. Of course, that was once true of OLED, which is why this tech is worth keeping an eye on for a future TV replacement.

Now it’s time to pit these two technologies against each other and see how they stack up when it comes to traits such as contrast, viewing angle, brightness, and other performance considerations.

Editor’s note: Since OLED TVs are still a premium display, we have compared OLED only to equally-premium LED TVs armed with similar performance potential (except, of course, in the price section).

A display’s ability to produce deep, dark blacks is arguably the most important factor in achieving excellent picture quality. Deeper blacks allow for higher contrast and richer colors (among other things) and thus a more realistic and dazzling image. When it comes to black levels, OLED reigns as the undisputed champion.

LED TVs rely on LED backlights shining behind an LCD panel. Even with advanced dimming technology, which selectively dims LEDs that don’t need to be on at full blast, LED TVs have historically struggled to produce dark blacks and can suffer from an effect called “light bleed,” where lighter sections of the screen create a haze or bloom in adjacent darker areas.

OLED TVs suffer from none of the black-level problems of traditional LED TVs. If an OLED pixel isn’t getting electricity, it doesn’t produce any light and is, therefore, totally black. Sounds like an obvious choice to us.

When it comes to brightness, LED TVs have a considerable advantage. Their backlights can be made from large and powerful LEDs. With the addition of quantum dots, that brightness can be preserved even as the size of the individual LEDs get smaller. OLED TVs can get pretty bright, too, and with such dark black levels, the contrast between the brightest and darkest spots on screen is all the more exaggerated. But cranking OLED pixels to their maximum brightness for extended periods reduces their lifespan, and the pixel takes slightly longer to return to total black.

With those considerations in mind, it’s important to note that all modern TVs — whether OLED, LED, or QLED — produce more than adequate brightness. The consideration then becomes where the TV will be used. In a dark room, an OLED TV is going to perform best, while LED TVs will outshine them (quite literally) in more brightly lit environments.

It should also be noted that there have been big gains recently in OLED brightness, making them perfectly suitable for nearly any situation, save direct sunlight beaming onto the screen. Still, when compared directly, LED TVs have the edge.

OLED used to rule this category, but by improving the purity of the backlight, quantum dots have allowed LED TVs to surge forward in color accuracy, color brightness, and color volume, putting them on par with OLED TVs. Those looking for TVs with Wide Color Gamut or HDR will find both OLED and LED TV models that support these features. OLED’s better contrast ratio is going to give it a slight edge in terms of HDR when viewed in dark rooms, but HDR on a premium LED TV screen has an edge because it can produce well-saturated colors at extreme brightness levels that OLED can’t quite match.

Response time refers to the time it takes for each individual pixel to change states. A pixel’s state is not only its color but also its brightness. With a faster response time, you get less motion blur and fewer artifacts (source material notwithstanding).

Because OLED pixels combine the light source and the color in a single diode, they can change states incredibly fast. By contrast, LED TVs use LEDs to produce brightness and tiny LCD “shutters” to create color. While the LED’s brightness can be changed in an instant, LCD shutters are by their nature slower to respond to state changes.

Refresh rate is how often the entire image on-screen changes. The faster the rate, the smoother things look, and the easier it is to pick out details in fast-moving content like sports. Most new TVs are capable of refresh rates of 120Hz, which means the entire image is updated 120 times every second. Some go as high as 240Hz.

If refresh rate were simply a matter of Hz, we’d call OLED TV the winner, simply because it can achieve rates of up to 1,000 times higher than LED TVs. But absolute speed isn’t the only consideration. Unlike movies and TV shows, which use a single refresh rate, video games often employ something called variable refresh rates, which simply means that the rate changes during different parts of a game. If a TV can’t match these rate changes, you end up with image tearing — a visible jerkiness that comes from the disparity between the rate the game is using and the rate the TV wants to use.

That’s why gamers, in particular, want TVs that can handle VRR or Variable Refresh Rate. It’s a rare feature on both OLED and LED TVs, but you can expect to see it show up on more models in both types of TVs. Right now, you can find VRR in certain Samsung, LG, and TCL TVs. But neither OLED nor LED TVs have a real advantage when it comes to VRR; some models have the feature, and some don’t. Your gaming system also has to support VRR, though that shouldn’t be much of an issue if you own a new Xbox Series X, PS5, or even a PS4/One X.

Finally, input lag is the gap in time between when you press a button on a game controller and the corresponding action shows up on-screen. Input lag can be a problem when TVs introduce a lot of picture processing that causes a slow-down in the signal they receive. But most modern TVs have a game mode, which eliminates the processing and reduces input lag to barely discernible levels. In the future, all TVs will be able to sense the presence of a video game and switch to this mode automatically, returning to the processed mode when gaming stops.

OLED, again, is the winner here. With LED TVs, the best viewing angle is dead center, and the picture quality diminishes in both color and contrast the further you move to either side. While the severity differs between models, it’s always noticeable. For its LED TVs, LG uses a type of LCD panel known as IPS, which has slightly better off-angle performance than VA-type LCD panels (which Sony uses), but it suffers in the black-level department in contrast to rival VA panels, and it’s no competition for OLED. Samsung’s priciest QLED TVs feature updated panel design and anti-reflective coating, which make off-angle viewing much less of an issue. While OLED still beats these models out in the end, the gap is closing quickly.

That said, OLED TVs can be viewed with no luminance degradation at drastic viewing angles — up to 84 degrees. Compared to most LED TVs, which have been tested to allow for a max viewing angle of 54 degrees at best, OLED has a clear advantage.

OLEDs have come a long way in this category. When the tech was still nascent, OLED screens were often dwarfed by LED/LCD displays. As OLED manufacturing has improved, the number of respectably large OLED displays has increased — now pushing 88 inches — but they’re still dwarfed by the largest LED TVs, which can easily hit 100 inches in size, and with new technologies, well beyond.

What size TV do you need? Here are a few tips for picking the right size TV for any room, including ideal viewing distance and picture quality versus size.

LG says you’d have to watch its OLED TVs five hours a day for 54 years before they’d fall to 50% brightness. Whether that’s true remains to be seen, as OLED TVs have only been out in the wild since 2013. For that reason and that reason only, we’ll award this category to LED TVs. It pays to have a proven track record.

Can one kind of TV be healthier for you than another? If you believe that we need to be careful about our exposure to blue light, especially toward the evening, then the answer could be yes. Both OLED and LED TVs produce blue light, but OLED TVs produce considerably less of it. LG claims its OLED panels only generate 34% blue light versus LED TV’s 64%. That stat has been independently verified, and LG’s OLED panels have been given an Eye Comfort Display certification by TUV Rheinland, a standards organization based out of Germany.

Will it make a difference to your overall health? We think the jury is still out, but if blue light is a concern, you should take a serious look at OLED TVs.

The effect we’ve come to know as burn-in stems from the days of the boxy CRT TV when the prolonged display of a static image would cause an image to appear to “burn” into the screen. What was actually happening was the phosphors that coated the back of the TV screen would glow for extended periods of time without any rest, causing them to wear out and create the appearance of a burned-in image. We think this should be called “burn out,” but we’ll set that one aside.

The same issue is at play with plasma and OLED TVs because the compounds that light up can degrade over time. If you burn a pixel long and hard enough, it will dim prematurely ahead of the rest of the pixels, creating a dark impression. In reality, this is not very likely to cause a problem for most people — you’d have to abuse the TV intentionally to get it to happen. Even the “bug” (logographic) that certain channels use disappears often enough or is made clear to avoid causing burn-in issues. You’d have to watch ESPN all day, every day for a long, long time at the brightest possible setting to cause a problem, and even then, it still isn’t very likely.

That said, the potential is there, and it should be noted. (This is also a contributing factor in the dearth of OLED computer monitors on the market, as computer screens are far more likely to display a static image for hours on end.) Since LED TVs aren’t susceptible to burn-in, they win this fight by a technicality.

OLED panels require no backlight, and each individual pixel is extremely energy-efficient. LED TVs need a backlight to produce brightness. Since LEDs are less energy-efficient than OLEDs, and their light must pass through the LCD shutters before it reaches your eyes, these panels must consume more power for the same level of brightness.

OLED TVs are premium TVs and almost always likely to be more expensive than an LED version of the same size. However, we have seen prices starting to drop down to manageable levels recently, especially if there are any discounts running. MSRPs can go as low as $1,300 to $1,500, but you probably won’t find many lower than that.

Conversely, LED TVs can range in price from a few hundred dollars — even for a quality big-screen model — to several thousand dollars, making them overall more accessible than OLEDs. While prices of the highest-quality LED TVs hover at nearly the same range as the price of OLEDs, when judged by price and price alone, LED TVs can still be acquired for a pittance in comparison.

In terms of picture quality, OLED TVs still beat LED TVs, even though the latter technology has seen many improvements of late. OLED is also lighter and thinner, uses less energy, offers the best viewing angle by far, and, though still a little more expensive, has come down in price considerably. OLED is the superior TV technology today. If this article were about value alone, LED TV would still win, but OLED has come a long way in a short time and deserves the crown for its achievements. Regardless of which technology you ultimately decide on, that’s not the only factor that you need to consider, so be sure to check our TV buying guide to make sure you’re buying the right TV to meet your needs.

Retina Display is a brand name used by Apple for its series of IPS LCD and OLED displays that have a higher pixel density than traditional Apple displays.trademark with regard to computers and mobile devices with the United States Patent and Trademark Office and Canadian Intellectual Property Office.

The Retina display debuted in 2010 with the iPhone 4 and the iPod Touch (4th Generation), and later the iPad (3rd generation) where each screen pixel of the iPhone 3GS, iPod touch (3rd generation), iPad 2 was replaced by four smaller pixels, and the user interface scaled up to fill in the extra pixels. Apple calls this mode HiDPI mode. In simpler words, it is one logical pixel = four physical pixels. The scale factor is tripled for devices with even higher pixel densities, such as the iPhone 6 Plus and iPhone X.

The Retina display has since expanded to most Apple product lines, such as Apple Watch, iPhone, iPod Touch, iPad, iPad Mini, iPad Air, iPad Pro, MacBook, MacBook Air, MacBook Pro, iMac, and Pro Display XDR, some of which have never had a comparable non-Retina display.marketing terms to differentiate between its LCD and OLED displays having various resolutions, contrast levels, color reproduction, or refresh rates. It is known as Liquid Retina display for the iPhone XR, iPad Air 4th Generation, iPad Mini 6th Generation, iPad Pro 3rd Generation and later versions,Retina 4.5K display for the iMac.

Apple"s Retina displays are not an absolute standard for display sharpness, but vary depending on the size of the display on the device, and at what distance the user would typically be viewing the screen. Where on smaller devices with smaller displays users would view the screen at a closer distance to their eyes, the displays have more PPI (Pixels Per Inch), while on larger devices with larger displays where the user views the screen further away, the screen uses a lower PPI value. Later device versions have had additional improvements, whether an increase in the screen size (the iPhone 12 Pro Max), contrast ratio (the 12.9” iPad Pro 5th Generation, and iMac with Retina 4.5K display), and/or, more recently, PPI count (OLED iPhones); as a result, Apple uses the names “Retina HD display", "Retina 4K/5K display", “Retina 4.5K display", "Super Retina HD display", “Super Retina XDR display”, and "Liquid Retina display" for each successive version.

When introducing the iPhone 4, Steve Jobs said the number of pixels needed for a Retina display is about 300 PPI for a device held 10 to 12 inches from the eye.skinny triangle with a height equal to the viewing distance and a top angle of one degree will have a base on the device"s screen that covers 57 pixels. Any display"s viewing quality (from phone displays to huge projectors) can be described with this size-independent universal parameter. Note that the PPD parameter is not an intrinsic parameter of the display itself, unlike absolute pixel resolution (e.g. 1920×1080 pixels) or relative pixel density (e.g. 401 PPI), but is dependent on the distance between the display and the eye of the person (or lens of the device) viewing the display; moving the eye closer to the display reduces the PPD, and moving away from it increases the PPD in proportion to the distance.

In practice, thus far Apple has converted a device"s display to Retina by doubling the number of pixels in each direction, quadrupling the total resolution. This increase creates a sharper interface at the same physical dimensions. The sole exception to this has been the iPhone 6 Plus, 6S Plus, 7 Plus, and 8 Plus, which renders its display at triple the number of pixels in each direction, before down-sampling to a 1080p resolution.

The displays are manufactured worldwide by different suppliers. Currently, the iPad"s display comes from Samsung,LG DisplayJapan Display Inc.twisted nematic (TN) liquid-crystal displays (LCDs) to in-plane switching (IPS) LCDs starting with the iPhone 4 models in June 2010.

Apple markets the following devices as having a Retina display, Retina HD display, Liquid Retina display, Liquid Retina XDR display, Super Retina HD display, Super Retina XDR display or Retina 4K/5K/6K display:

Reviews of Apple devices with Retina displays have generally been positive on technical grounds, with comments describing it as a considerable improvement on earlier screens and praising Apple for driving third-party application support for high-resolution displays more effectively than on Windows.T220 and T221 had been sold in the past, they had seen little take-up due to their cost of around $8400.

"to our eyes, there has never been a more detailed, clear, or viewable screen on any mobile device. Not only are the colors and blacks deep and rich, but you simply cannot see pixels on the screen…webpages that would be line after line of pixelated content when zoomed out on a 3GS are completely readable on the iPhone 4, though the text is beyond microscopic."

That much resolution is stunning. To see it on a mainstream device like the iPad—rather than a $13,000 exotic monitor—is truly amazing, and something I"ve been waiting more than a decade to see. It will set a bar for future resolution that every other manufacturer of devices and PCs will have to jump.

Writer John Gruber suggested that the arrival of Retina displays on computers would trigger a need to redesign interfaces and designs for the new displays:

The sort of rich, data-dense information design espoused by Edward Tufte can now not only be made on the computer screen but also enjoyed on one. Regarding font choices, you not only need not choose a font optimized for rendering on screen, but should not. Fonts optimized for screen rendering look cheap on the retina MacBook Pro—sometimes downright cheesy—in the same way they do when printed in a glossy magazine.

Raymond Soneira, president of DisplayMate Technologies, has challenged Apple"s claim. He says that the physiology of the human retina is such that there must be at least 477 pixels per inch in a pixelated display for the pixels to become imperceptible to the human eye at a distance of 12 inches (305 mm).Phil Plait notes, however, that, "if you have [better than 20/20] eyesight, then at one foot away the iPhone 4S"s pixels are resolved. The picture will look pixelated. If you have average eyesight [20/20 vision], the picture will look just fine... So in my opinion, what Jobs said was fine. Soneira, while technically correct, was being picky."

Apple fan website CultOfMac hosts an article by John Brownlee"Apple"s Retina Displays are only about 33% of the way there."visual acuity in the population saying "most research suggests that normal vision is actually much better than 20/20" when in truth the majority have worse than 20/20 vision,WHO considers average vision as 20/40.presbyopia

The first smartphone following the iPhone 4 to ship with a display of a comparable pixel density was the Nokia E6, running Symbian Anna, with a resolution of 640 × 480 at a screen size of 62.5mm. This was an isolated case for the platform however, as all other Symbian-based devices had larger displays with lower resolutions. Some older Symbian smartphones, including the Nokia N80 and N90, featured a 2.1 inch display at 259 ppi, which was one of the sharpest at the time. The first Android smartphones with the same display - Meizu M9 was launched a few months later in beginning of 2011. In October of the same year Galaxy Nexus was announced, which had a display with a better resolution. By 2013 the 300+ ppimark was found on midrange phones such as the Moto G.Samsung Galaxy S4 and HTC One (M8) had 1080p (FHD) screens around 5-inches for a 400+ PPI which surpassed the Retina density on the iPhone 5. The second major redesign of the iPhone, the iPhone 6, has a 1334 × 750 resolution on a 4.7-inch screen, while rivals such as the Samsung Galaxy S6 have a QHD display of 2560 × 1440 resolution, close to four times the number of pixels found in the iPhone 6, giving the S6 a 577 PPI that is almost twice that of the iPhone 6"s 326 PPI.

The larger iPhone 6 Plus features a "Retina HD display", which is a 5.5-inch 1080p screen with 401 PPI. Aside from resolution, all generations of iPhone Retina displays receive high ratings for other aspects such as brightness and color accuracy, compared to those of contemporary smartphones, while some Android devices such as the LG G3 have sacrificed screen quality and battery life for high resolution. Ars Technica suggested the "superfluousness of so many flagship phone features—the move from 720p to 1080p to 1440p and beyond...things are all nice to have, but you’d be hard-pressed to argue that any of them are essential".

Due to the peculiar diamond Sub-Pixels layout found in the iPhone X, iPhone XS and iPhone XS Max, the actual density of the Red and Blue Sub-Pixels is lower than that of the Green Sub-Pixels, being reportedly 324 Sub-Pixels per inch.

Novakovic, Nebojsa. "IBM T221 - the world"s finest monitor?". The Inquirer. Archived from the original on September 14, 2009. Retrieved 30 August 2015.link)

Plait, Phil. "Resolving the iPhone resolution". slate.com. slate.com. Retrieved 9 October 2021. ...Soneira used the 0.6 arcmin resolution of the eye, but that"s for perfect eyesight. Most people don"t have perfect eyesight... A better number for a typical person is more like 1 arcmin resolution, not 0.6

Tim Johnson, MD, PhD. "How common is 20/20 vision?". University of Iowa Hospitals & Clinics. Retrieved 9 October 2021. Only about 35 percent of all adults have 20/20 vision without glasses, contact lenses or corrective surgery"...AND... "while you won"t lose your 20/20 vision as you approach middle age, you will most likely lose your near visionlink)

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 demonstrated burn-in on LG OLED TVs in long-term tests.

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

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, 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.

What can you do to prevent burn-in on that new TV? As we 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.

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. So in a 24-hour period you watch a movie, play some games, binge some TV shows, they"re all varied enough that you should be fine.

The RTings torture test we mentioned above lasted the equivalent of 5 years of use and they still say "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."

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 and took steps to minimize the risk. Also, 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.

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.

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, we won"t judge). Then you decide to watch a movie. Let"s say Best in Show because you"re keeping with your theme. But 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.Here"s a section of a 2018 LG C8 OLED TV screen displaying a gray test pattern after 5 hours watching CNN on 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.

This is an extreme case, largely just to illustrate what happens. In reality, it"s going to be far more subtle. Watch a lot of the same TV news station, like CNN in the example above? Not sure how your heart can handle that, but let"s say you do. That station"s identifying logo is a prime candidate for image retention and eventually burn-in. Ditto the horizontal borders of the "crawl" on the bottom of the screen.

If you play the same video game for hours and days on end, that game"s persistent scoreboard or heads-up display might burn in. Basically, anything that stays on screen for a long time and doesn"t change can cause image retention and perhaps, eventually, burn-in.

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. They 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 also 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. So 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.

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, 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."

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. However, Best Buy"s Geek Squad Protection Plan might, depending on when you bought it. The latest version only explicitly covers burn-in on phones.

"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.

If you notice image retention, don"t panic. Chances are if you watch something different, it will go away on its own after a while. If you"re repeatedly getting image retention of the same thing, then that could be cause for concern.

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 Sonys), 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."

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. So 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.

CNET has not conducted any long-term real-world tests of OLED burn-in. In our experience reviewing TVs, we have 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 was run by the aforementioned review site RTings. In August 2017 they began a 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 will 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.

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. And if you watch content with hours of the same static image each day, or just keep CNN, Fox or C