lcd panel tn or ips quotation

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lcd panel tn or ips quotation

Again, IPS is the clear winner here. The vertical viewing angles are very similar to the horizontal ones on both IPS and VA panels. Unfortunately, this is one area where TN panels are usually much, much worse. TN monitors degrade rapidly from below, and colors actually inverse - resulting in a negative image that can be distracting. For this reason, if you decide to buy a TN monitor, look for one with an excellent height adjustment, or consider buying a VESA mounting arm, as you should mount TN monitors at eye level. Even when mounted properly, larger TN displays can appear non-uniform at the edges.

There"s usually not much difference between VA and IPS panels in terms of gray uniformity. It"s rare for monitors to have uniformity issues, and even on monitors that perform worse than average, it"s usually not noticeable with regular content. TN monitors tend to perform a bit worse than usual, though, and the top half of the screen is almost always darker than the rest, but that"s an artifact of the bad vertical viewing angles.

Black uniformity tends to vary significantly, even between individual units of the same model, and there"s no single panel type that performs the best. It"s rare for monitors to have good black uniformity, and almost every monitor we"ve tested has some noticeable cloudiness or backlight bleed. IPS and TN panels can look slightly worse due to their low contrast ratios, as the screen can take on more of a bluish tint when displaying dark scenes. Like with contrast, black uniformity issues usually aren"t very noticeable unless you"re looking at dark content and you"re in a dark room. If you only use your monitor in a bright environment, generally speaking, you don"t need to worry about black uniformity.

Historically, TN panels used to have the worst colors, as many of them were cheaper models that only supported 6-bit colors or used techniques like dithering (FRC) to approximate 8-bit colors. Most displays today, including TN models, are at least 8 bit, and many of them are even able to approximate 10-bit colors through dithering. New technologies, like LG"s Nano IPS and Samsung"s Quantum Dot, add an extra layer to the LCD stack and have significantly improved the color gamut of modern IPS and VA displays, leaving TN a bit behind. Between them, NANO IPS is slightly better, as it tends to offer better coverage of the Adobe RGB color space. Although the difference is minor, IPS panels still have a slight edge over VA and TN displays.

Although TN panels have caught up a bit in the SDR color space, they"re far behind when it comes to HDR, so if you"re looking for a good HDR color gamut, avoid TN panels. Between VA and IPS panels, the difference isn"t as significant; however, IPS panels still have a slight edge. The best VA panels top out at around 90% coverage of the DCI P3 color space used by most current HDR content. IPS panels go as high as 98% coverage of DCI P3, rivaling even some of the best TVs on the market. Due to the very high coverage of DCI P3 on both VA and IPS, the difference isn"t that noticeable, though, as most content won"t use the entire color space anyway.

Although not necessarily as noticeable to everyone as the differences in picture quality, there can also be a difference in motion handling between IPS, VA, and TN displays. TN panels historically offered the best gaming performance, as they had the highest refresh rates and extremely fast response times. Manufacturers have found ways to drastically improve the motion handling of VA and IPS panels, though, and the difference isn"t as pronounced.

LCD panel technology has changed drastically over the last few years, and the historical expectations for response time performance don"t necessarily hold anymore. For years, TN monitors had the fastest response times by far, but that"s started to change. New high refresh-rate IPS monitors can be just as fast.

VA panels are a bit of a strange situation. They typically have slightly slower response times overall compared to similar TN or IPS models. It"s especially noticeable in near-black scenes, where they tend to be significantly slower, resulting in dark trails behind fast-moving objects in dark scenes, commonly known as black smear. Some recent VA panels, such as the Samsung Odyssey G7 LC32G75T, get around it by overdriving the pixels. It results in much better dark scene performance but a more noticeable overshoot in brighter areas.

The examples listed above aren"t perfect. The average response time metrics shown don"t necessarily show the whole picture. Monitors also usually offer a certain level of control over the pixel overdrive, so it"s possible to adjust the response time to match your usage and personal preference. Some overdrive settings deliver a sharper image but introduce overshoot and reverse ghosting artifacts, while other modes might not be as sharp but have no distracting artifacts. You can learn more about our response time testing here.

Within each of the three types of LCD we mentioned, other related panel types use the same basic idea but with slight differences. For example, two popular variants of IPS panels include ADS (technically known as ADSDS, or Advanced Super Dimension Switch) and PLS (Plane to Line Switching). It can be hard to tell these panels apart simply based on the subpixel structure, so we"ll usually group them all as IPS, and in the text, we"ll usually refer to them as IPS-like or IPS family. There are slight differences in colors, viewing angles, and contrast, but generally speaking, they"re all very similar.

There"s another display technology that"s growing in popularity: OLED. OLED, or organic light-emitting diode, is very different from the conventional LCD technology we"ve explored above. OLED panels are electro-emissive, which means each pixel emits its own light when it receives an electric signal, eliminating the need for a backlight. Since OLED panels can turn off individual pixels, they have deep, inky blacks with no blooming around bright objects. They also have excellent wide viewing angles, a near-instantaneous response time, and excellent gray uniformity.

OLED panels aren"t perfect, though. There"s a risk of permanent burn-in, especially when there are lots of static elements on screen, like the UI elements of a PC. There aren"t many OLED monitors available, either, but they"ve started to gain popularity as laptop screens and for high-end monitors, but they"re very expensive and hard to find. They"re also not very bright in some cases, especially when large bright areas are visible on screen. The technology is still maturing, and advances in OLED technology, like Samsung"s highly-anticipated QD-OLED technology, are promising.

As you can probably tell by now, no one panel type works best for everyone; it all depends on your exact usage. Although there used to be some significant differences between panel types, as technology has improved, these differences aren"t as noticeable. The two exceptions to this are viewing angles and contrast. If you"re in a dark room, a VA panel that can display deep blacks is probably the best choice. If you"re not in a dark room, you should focus on the other features of the monitor and choose based on the features that appeal to your exact usage. IPS panels are generally preferred for office use, and TN typically offers the best gaming experience, but recent advancements in VA and IPS technology are starting to change those generalizations. For the most part, the differences between each panel type are so minor now that it doesn"t need to be directly factored into your buying decision.

lcd panel tn or ips quotation

IPS (In-Plane Switching) lcd is still a type of TFT LCD, IPS TFT is also called SFT LCD (supper fine tft ),different to regular tft in TN (Twisted Nematic) mode, theIPS LCD liquid crystal elements inside the tft lcd cell, they are arrayed in plane inside the lcd cell when power off, so the light can not transmit it via theIPS lcdwhen power off, When power on, the liquid crystal elements inside the IPS tft would switch in a small angle, then the light would go through the IPS lcd display, then the display on since light go through the IPS display, the switching angle is related to the input power, the switch angle is related to the input power value of IPS LCD, the more switch angle, the more light would transmit the IPS LCD, we call it negative display mode.

The regular tft lcd, it is a-si TN (Twisted Nematic) tft lcd, its liquid crystal elements are arrayed in vertical type, the light could transmit the regularTFT LCDwhen power off. When power on, the liquid crystal twist in some angle, then it block the light transmit the tft lcd, then make the display elements display on by this way, the liquid crystal twist angle is also related to the input power, the more twist angle, the more light would be blocked by the tft lcd, it is tft lcd working mode.

A TFT lcd display is vivid and colorful than a common monochrome lcd display. TFT refreshes more quickly response than a monochrome LCD display and shows motion more smoothly. TFT displays use more electricity in driving than monochrome LCD screens, so they not only cost more in the first place, but they are also more expensive to drive tft lcd screen.The two most common types of TFT LCDs are IPS and TN displays.

lcd panel tn or ips quotation

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lcd panel tn or ips quotation

Your gaming monitor is one of the most important parts of your PC, and a big part of that is down to the type of panel it uses to display all those lovely polygons. You"ve probably seen lots of different monitor panel types crop up in a gaming screen"s specs sheet, too: words like TN, IPS and VA. But what do they actually mean, and how do they affect the quality of your gaming monitor? Well, as you"ve probably guessed from the title up top there, I"m going to tell you everything you need to know about all the different gaming monitor panel types, including their strengths, weaknesses and which one you should look to buy if you want the best possible image quality.

Now, I"m going to warn you - most of what you"ll read below is all going to be pretty general. Not all panel types behave the same way, for example, and there will always be some that outperform the rest. That"s why it"s still important to read proper reviews of gaming monitors so you can get an accurate picture of how a monitor"s panel type stacks up against the rest.

I"m also not going to spend ages talking about the exact chemical structure of every single type of sub-pixel, because, well, there are plenty of other people who have done that already. If you"re after that kind of detail, I"d suggest heading over to the folks at TFT Central. Instead, I"m going to be concentrating on what you actually need to know about gaming monitor panel types, such as how their various characteristics affect their performance, and how you can avoid falling into monitor misery by making sure you know exactly what specs sheets are talking about when they start throwing a million acronyms at you. So let"s get to it.

Let"s start with one of the most common monitor panel types available today: TN, or Twisted Nematic. TN panels are what you"ll find in most gaming monitors these days, especially ones with high refresh rates and those geared toward competitive esports and the like.

The good: That"s because they"re a) generally quite cheap to make and b) have the fastest response times out of all the different panel types. This means there"s less lag between you clicking your mouse or tapping your keyboard and that action being translated onscreen, making them ideal for twitchy shooters and games that need fast reaction times.

There are other benefits to having a fast response time as well. These include less blurring and ghosting when fast moving objects appear onscreen, which in turn leads to a clearer, crisper image. Indeed, some gaming monitors boast their response times are as low as just 1ms sometimes, but the key thing to watch out for are the words that come after it, such as "black-to-black" or "grey-to-grey" (which is often abbreviated to GTG).

Black-to-black is the standard response time measurement and refers to the amount of time it takes for a pixel to change from black to white to black again. It"s the fastest change possible in a monitor, and is generally regarded as the monitor"s best and more accurate response time.

The problem is that this kind of transition doesn"t often happen in everyday practice - especially not when playing games. Instead, most pixels are showing colour, which is why some manufacturers quote a grey-to-grey response time instead. However, this can mean different things depending on different manufacturers, as it all depends on what shade of grey they take as their starting point. Lighter greys will transition to white faster than darker greys, for example, and so a GTG figure won"t necessarily be the same for every pixel. As a result, GTG times are more of a rough guide to a monitor"s response time rather than a definite fact.

Over the years, other technologies have come along to try and improve a monitor"s GTG response time, or help correct the effects of having slightly slower response times. Some monitors, for instance, have an Overdrive feature, which is designed to make pixels change states much faster by applying a higher voltage to them. This can often dramatically improve a monitor"s GTG response times in particular, and if you see a very fast one quoted on the box, it"s almost certainly been achieved using some sort of Overdrive feature.

The bad: Alas, the disadvantage of picking a TN panel is that they generally don"t have the best colour accuracy and they also have quite narrow viewing angles. The former isn"t the case for every TN screen - those certified by Nvidia for use in their G-Sync gaming monitors, for instance, have to meet rigorous colour accuracy standards - but I"ve seen plenty of non-G-Sync screens that barely cover 85% of the standard sRGB colour gamut, which means washed out colours and generally not very rich and vibrant images.

Viewing angles, on the other hand, are a bit more of a hurdle. Most of the time you"ll see them quoted as 160 / 170 degrees, but unless you"re looking at the screen just right, colours can sometimes look a bit off, while contrast goes up the spout. As a result, getting a TN monitor with a height-adjustable stand as opposed to a fixed one can often be a good way to counteract this problem, as this gives you more flexibility to get the monitor in exactly the right position.

IPS monitors, on the other hand, are all about colour accuracy. Largely made by LG, there have actually been lots of different types of IPS panel that have emerged over the years as varying manufacturers tried their hand at matching the quality of LG"s panels, leading to dozens of different variations and combinations of acronyms. These days, though, most manufacturers (especially gaming ones) just tend to say they"re IPS as opposed a specific variant.

Unless, that is, it"s an AHVA, or Advanced Hyper-Viewing Angle, panel. Despite sounding like a VA panel (our third main panel type, which you"ll find more on below), AHVA is actually another type of IPS panel produced by AU Optronics and offers pretty much identical performance to a classic LG IPS panel.

The good: As I just mentioned, IPS panels generally have pretty great colour accuracy (I normally expect an sRGB coverage score of around 96% here) and wide viewing angles, making them better suited to colour intensive work and tasks like photo and video editing. This is true across all types of IPS panel, and their superior viewing angles (often quoted as 178 / 178 degrees) means you don"t get that nasty colour or contrast shift when you"re looking at the screen from a funny angle.

The bad: Unfortunately, their response times are often slower than TN panels, although these have become a lot better in recent years. Personally, I"ve never had any problems with latency when playing games on this type of screen, and for me, image quality is a lot more important than a couple of millisecond"s difference in overall response time.

They can also be more expensive to produce than TN panels, which, combined with their slower response times, is another reason why you don"t tend to see them a lot in displays designed primarily for gaming.

Finally, there"s the VA, or Vertical Alignment panel. Much like IPS, there are dozens of different types of VA panel, but the main ones we need to concern ourselves with are MVA (multi-domain vertical alignment) and AMVA (advanced MVA).

MVA panels were first designed to sit in the middle of TN and IPS displays, offering better viewing angles than TN screens and higher contrast ratios and deeper blacks than IPS. However, their colour accuracy isn"t quite as good as IPS, and they don"t have very fast response times, either.

AMVA, on the other hand (not to be confused with the IPS-like AHVA panel tech described above) builds on that even further, improving the panel"s colour accuracy while still maintaining those ultra high contrast ratios and deep blacks. Its viewing angles still aren"t quite as wide as IPS displays, though, and its response times are still a bit slower as well. However, through the use of features like a monitor"s Overdrive function, VA response times are now much faster than they used to be, making them a much more common occurrence in gaming screens, especially when it comes to curved or ultrawide displays.

The good: As a result, VA monitors can sort of be viewed as the ultimate compromise screen. The key advantages are their best in class black levels and their superior contrast ratios, and compared to TN panels, they also have better viewing angles and higher colour accuracy.

The bad: However, while VA might rectify some of the weaknesses you"ll find in TN screens, they"re still not as colour accurate as IPS panels, and their narrower viewing angles also can"t compete with their IPS rivals, either. Their main weakness, however, is their slow response time, which is generally said to be the slowest of the three main panel types. As I said, steps have been taken to try and mitigate this when it comes to putting a VA panel inside a gaming monitor, but if your gaming library consists solely of competitive shooters and the like, then you"re probably better off looking elsewhere.

lcd panel tn or ips quotation

The answer depends on your specific needs, as well as what system you game or work on. To make the comparison easier, we’ve broken things down into the following categories: viewing angles, colors & contrast, response time & refresh rates, and price. Let’s take a look.

This refers to the display’s ability to maintain its image quality when viewed from different angles. While this isn’t so important for PC gaming, it’s a major consideration for console and entertainment system displays.

In general, IPS, PLS, and VA panels will maintain outstanding image quality and low color degradation no matter where in the room you’re viewing from. A huge boon.

Remember the hype surrounding the final season of Game of Thrones? Now, do you remember the battle with the White Walkers? More specifically, howdark the episode was? If you couldn’t see very well, chances are you weren’t using a VA panel.

VA panels are known to deliver the deepest blacks and richest all-around tones, thanks to their high contrast ratios. This is also why they’re commonly found in television sets. That said, IPS panels come in close behind with contrast ratios of roughly 1000:1.

Due to the comparatively simple nature of TN liquid crystal technology, most TN displays boast low response times between 5ms and 1ms. This allows games to transition from scene-to-scene with very little lag and virtually zero ghosting.

TN panels also feature the highest refresh rates, which is how many times per second a display can re-render a scene (critical for reaching maximum FPS).

High response times and refresh rates are a huge boon for gaming, where split second decisions can make or break a game. As such, TN panels are the optimal choice for PC gamers looking to maximize their competitive advantage.

Given their inexpensive manufacturing costs, TN panels are the most affordable type on our list. In price-ascending order, they’re followed by VA panels, PLS panels, and IPS panels.

Do note, however, that different display models offer different features. High-end TN panels can easily cost more than an entry-level IPS. It depends on the specifications, manufacturer, and various other factors.

Choosing the best panel type ultimately comes down to personal needs and preference. That said, we hope these guidelines help. Your perfect display is out there.

Whether you’re seeking a VA vs IPS vs TN monitor, we’ve assembled this list of the web’s most frequently asked questions to offer an easy solution to all your display inquiries.

lcd panel tn or ips quotation

Consider you’re buying a new gaming monitor. Now, before you head out (or online), there are many things to consider. The resolution and refresh rates are just the tips of the ice-berg. When it comes to PC monitor display panels, you’ve got three options: IPS, TN and VA. If you are a gamer which panel is right for you? Do you need an IPS display, a TN panel, or a VA panel?

All three of these are different flavors of LCD monitors. They’re built using fundamentally similar technology–this isn’t the difference between LCD and OLED. All three have advantages and substantial weakness. This means that they are ideal for different use cases. You’ll want to know these as a gamer to identify what’s right for you.

TN is short for twisted nematic, referring to the LCD substrate that’s used in this type of display. TN panels are a very mature technology and are the cheapest kind of LCD display to produce. This means that you’ll get TN panels for a given screen size/resolution at a lower price than other options.

TN panels aren’t just cheap. They tend to have lower response times than other monitor panels. This makes them exceptionally well-suited for low-latency use cases like eSports gaming. As a result, many eSports-oriented high-refresh rate monitors utilize TN technology.

There are notable downsides, though. For starters, viewing angles are terrible. Even if you look at a TN panel from its exact center, you’ll experience picture quality degradation at the edges. Poor viewing angles mean that color is only accurately reproduced at the very center of the panel, from your perspective. Some TN panels have better viewing angles than others, but almost all are beaten by even budget VA and IPS sets in this respect.

Another thing? Color reproduction is poor on TN panels. Colors, in general, appear washed-out. But what’s most noticeable is the poor contrast levels. In poorly-illuminated scenes, black appears grey. All in all, we find TN panels hard to recommend anymore. If you want an eSports panel, but can’t afford a high-performance IPS, a TN panel might be right for you. Otherwise, look elsewhere.

IPS is short for in-plane switching. IPS displays were actually developed to address the shortcomings of TN panels. In IPS panels, the orientation of liquid crystal molecules is arranged and switched parallel to the substrate. This allows for accurate color reproduction across a much wider range of viewing angles.

IPS panels have clear advantages over TN panels. For starters, color reproduction is excellent. High-end IPS monitors that cover a significant amount of the sRGB gamut not only look great–they’re an excellent choice for professional photographers and graphic designers. Contrast is much-improved on IPS: while you don’t get the inky blacks of OLED, dark areas look reliably dark, while retaining detail. IPS panels tend to have a slower refresh rate than TN panels.

However, gaming-oriented IPS models are available with low response time and higher refresh rates. They just cost a lot more than comparable TN parts. IPS panels are our go-to recommendation. They offer great image quality, while also allowing for low-latency, high refresh rate gaming.

VA is short for vertical alignment. In these displays, LCD cells align vertically when no electricity is passing through. They align horizontally when it is, allowing light through. VA panels offer excellent image quality. Even budget VA monitors deliver contrast ratios in excess of 3000:1. This translates into rich colors, and detail preservation in dark scenes.

VA is ideal if media consumption is your primary use case: you get excellent image quality. The trade-off here is that VA panels tend to have the worst response times. Response times higher than 4ms are typical. On the worst offenders, input lag is actually somewhat notable. And while viewing angles are better than TN panels, VA panels often exhibit color shifting–with colors going off-hue at wide angles. Some VA panels also have a “ghosting” issue, especially when handling rapidly moving images.

This makes VA panels a questionable choice for eSports gaming. If you mainly play single-player titles, though, VA panels are a great choice. Price-wise, they tend to be cheaper than their IPS counterparts while offering great image quality.

If you’re an eSports gamer, you need a monitor with the lowest-possible response rate and a high refresh rate. Both IPS and TN panels enable this. At a premium budget, you should look at IPS panels, as they offer the best combination of picture quality and low latency. If you’re on a tighter budget, a TN panel can get the job done, although you’ll be compromising somewhat on the image.

Other than the display panel, you also need to look at some of the other specifications such as the color gamut, HDR support, contrast ratio, etc. You can read more about how to pick the right config here.

lcd panel tn or ips quotation

Display technology has been evolving for more than a century and continues to drive innovations in the electronic device market. IPS technology was developed in the 90s to solve color and viewing angle issues.

IPS display panels deliver the best colors and viewing angles compared to other popular display planes, including VA (vertical alignment) and TN (twisted nematic).

LCDs (liquid crystal displays). IPS changes the behavior of an LCD’s liquid crystals to produce a sharper, more accurate picture. This technique allows IPS displays to deliver a higher quality viewing experience than other screen types like TN or VA.

IPS acts on the liquid crystals inside an LCD, so when voltage is applied, the crystals rotate parallel (or in-plane), allowing light to pass through them easily. By reducing the amount of interference in the light being produced by the display, the final image on the screen will be much clearer.

One of the leading advantages that IPS offer is its ability to deliver wide angles while preserving colors and contrast. This means you can view an IPS screen from nearly any angle and get an accurate representation of the image on-screen.

IPS display screens and monitors offer the best quality in different environments (direct sunlight, low light, indoors, or outdoors) compared to TNs or VAs.

IPS LCDs require about 15% more power than a standard TN LCD. OLED displays require much less power than IPS types due to the fact that they don’t require a backlight. The LCD IPS technology is not the ideal solution if you need an energy-efficient display. You’re better off choosing an OLED or TN TFT for a low-power solution.

Because of the newer and more advanced technology found in IPS displays, they’re more expensive to manufacture. For a more cost-effective solution, a TN LCD would be a better choice.

IPS displays provide a huge boost to viewing angles and color reproduction, but they don’t have the same contrast capabilities as some other competing display types. OLED displays are able to deliver true black by shutting off their active pixels completely, resulting in much higher contrast than IPS displays. If you’re looking for maximum contrast in your display, you’re better off with an OLED display.

Because of in-plane switching’s ability to boost viewing angles and retain color accuracy, it allows LCDs to compete with the high contrast images found on OLED displays.

If you don’t require the highest refresh rates and don’t mind slightly higher power consumption, then an IPS display will greatly benefit your project.

lcd panel tn or ips quotation

IPS (in-plane switching) is a screen technology for liquid-crystal displays (LCDs). In IPS, a layer of liquid crystals is sandwiched between two glass surfaces. The liquid crystal molecules are aligned parallel to those surfaces in predetermined directions (in-plane). The molecules are reoriented by an applied electric field, whilst remaining essentially parallel to the surfaces to produce an image. It was designed to solve the strong viewing angle dependence and low-quality color reproduction of the twisted nematic field effect (TN) matrix LCDs prevalent in the late 1980s.

The TN method was the only viable technology for active matrix TFT LCDs in the late 1980s and early 1990s. Early panels showed grayscale inversion from up to down,Vertical Alignment (VA)—that could resolve these weaknesses and were applied to large computer monitor panels.

After thorough analysis, details of advantageous molecular arrangements were filed in Germany by Guenter Baur et al. and patented in various countries including the US on 9 January 1990.Fraunhofer Society in Freiburg, where the inventors worked, assigned these patents to Merck KGaA, Darmstadt, Germany.

Shortly thereafter, Hitachi of Japan filed patents to improve this technology. A leader in this field was Katsumi Kondo, who worked at the Hitachi Research Center.thin-film transistor array as a matrix and to avoid undesirable stray fields in between pixels.Super IPS). NEC and Hitachi became early manufacturers of active-matrix addressed LCDs based on the IPS technology. This is a milestone for implementing large-screen LCDs having acceptable visual performance for flat-panel computer monitors and television screens. In 1996, Samsung developed the optical patterning technique that enables multi-domain LCD. Multi-domain and in-plane switching subsequently remain the dominant LCD designs through 2006.

IPS technology is widely used in panels for TVs, tablet computers, and smartphones. In particular, most IBM products was marketed as CCFL backlighting, and all Apple Inc. products marketed with the label backlighting since 2010.

Most panels also support true 8-bit-per-channel colour. These improvements came at the cost of a lower response time, initially about 50 ms. IPS panels were also extremely expensive.

IPS has since been superseded by S-IPS (Super-IPS, Hitachi Ltd. in 1998), which has all the benefits of IPS technology with the addition of improved pixel refresh timing.

In this case, both linear polarizing filters P and A have their axes of transmission in the same direction. To obtain the 90 degree twisted nematic structure of the LC layer between the two glass plates without an applied electric field (OFF state), the inner surfaces of the glass plates are treated to align the bordering LC molecules at a right angle. This molecular structure is practically the same as in TN LCDs. However, the arrangement of the electrodes e1 and e2 is different. Because they are in the same plane and on a single glass plate, they generate an electric field essentially parallel to this plate. The diagram is not to scale: the LC layer is only a few micrometers thick and so is very small compared with the distance between the electrodes.

The LC molecules have a positive dielectric anisotropy and align themselves with their long axis parallel to an applied electrical field. In the OFF state (shown on the left), entering light L1 becomes linearly polarized by polarizer P. The twisted nematic LC layer rotates the polarization axis of the passing light by 90 degrees, so that ideally no light passes through polarizer A. In the ON state, a sufficient voltage is applied between electrodes and a corresponding electrical field E is generated that realigns the LC molecules as shown on the right of the diagram. Here, light L2 can pass through polarizer A.

In practice, other schemes of implementation exist with a different structure of the LC molecules – for example without any twist in the OFF state. As both electrodes are on the same substrate, they take more space than TN matrix electrodes. This also reduces contrast and brightness.

Unlike TN LCDs, IPS panels do not lighten or show tailing when touched. This is important for touch-screen devices, such as smartphones and tablet computers.

Toward the end of 2010 Samsung Electronics introduced Super PLS (Plane-to-Line Switching) with the intent of providing an alternative to the popular IPS technology which is primarily manufactured by LG Display. It is an "IPS-type" panel technology, and is very similar in performance features, specs and characteristics to LG Display"s offering. Samsung adopted PLS panels instead of AMOLED panels, because in the past AMOLED panels had difficulties in realizing full HD resolution on mobile devices. PLS technology was Samsung"s wide-viewing angle LCD technology, similar to LG Display"s IPS technology.

In 2012 AU Optronics began investment in their own IPS-type technology, dubbed AHVA. This should not be confused with their long standing AMVA technology (which is a VA-type technology). Performance and specs remained very similar to LG Display"s IPS and Samsung"s PLS offerings. The first 144 Hz compatible IPS-type panels were produced in late 2014 (used first in early 2015) by AUO, beating Samsung and LG Display to providing high refresh rate IPS-type panels.

Cross, Jason (18 March 2012). "Digital Displays Explained". TechHive. PC World. p. 4. Archived from the original on 2 April 2015. Retrieved 19 March 2015.

"TFT Technology: Enhancing the viewing angle". Riverdi (TFT Module Manufacturer). Archived from the original on 23 April 2016. Retrieved 5 November 2016. However, [twisted nematic] suffers from the phenomenon called gray scale inversion. This means that the display has one viewing side in which the image colors suddenly change after exceeding the specified viewing angle. (see image Inversion Effect) External link in |quote= (help)

tech2 News Staff (19 May 2011). "LG Announces Super High Resolution AH-IPS Displays". Archived from the original on 11 December 2015. Retrieved 10 December 2015.

Baker, Simon (30 April 2011). "Panel Technologies: TN Film, MVA, PVA and IPS Explained". Archived from the original on 29 June 2017. Retrieved 13 January 2012.

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lcd panel tn or ips quotation

The Dell S2716DG came as a surprise and during our tests we were surprised as well, although not always in a positive way. The colour quality disappoints, the gamma is not the best and the black value is a bit substandard. Nevertheless, when compared with its main – and the only one we could test – competitor, the Asus PG278Q, we have to come to the conclusion that Dell only performs slightly worse in terms of brightness and contrast as well as colour- and grey deviation while having better viewing angles, similar colour temperature and similar response times. All of this, while the price is 46 pounds / 60 euros less, on average even more than 76 pounds / 100 euros.

lcd panel tn or ips quotation

Yoon, S., Won, T.: Electrode Structure for High Transmittance and Aperture Ratio in TFT-LCD. Journal of Materials Processing Technology 191, 302–305 (2007)

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lcd panel tn or ips quotation


lcd panel tn or ips quotation

When most people go shopping for a gaming monitor, their primary concerns are resolution and refresh rate. Those are certainly important considerations, but if you’ve ever had to put up with dull colors, murky blacks or terrible viewing angles, you’ll understand that panel types are important too.

TN, or Twisted Nematic panels, are the oldest variety of LCD panels, but they’re still quite common even today. They’re cheap to produce, and they have very low input lag, which makes them appealing for gamers. They also support refresh rates of up to 240Hz, another plus for fast-paced environments.

The problem with TN panels is that they have very poor color reproduction. While modern TN panels are far better than earlier models, it’s still relatively rare to find a TN panel with close to full sRGB reproduction. Even if they do have good color reproduction when you’re looking at them straight on, their viewing angles are limited, and they look washed out when viewed from the sides.

If you’re on a budget, enjoy playing competitive shooters or strategy games where reaction times matter, a TN panel could be fine for you. But if you want something that doubles as a media player, the average TN monitor might disappoint.

Fortunately, our GFT27CXB monitor is far from “average.” We engineered our TN panel to do what most TN panels simply cannot: deliver stunningly accurate colors. And with its 99% sRGB gamut, colors are rich and vibrant. And it’s fully customizable, with space to store up to 3 unique user profiles. So you get amazing color. But you also get full HD resolution with lightning-fast speeds up to 240hz refresh rate and 1ms response times.

IPS, or In-Plane Switching, monitors are almost the exact opposite of TN panels. They offer much wider viewing angles than TN panels as well as better black reproduction. The trade-off is that they’re more expensive. They have a history of slower refresh rates, too, although that has been changing lately. Today’s IPS panels can reach max. refresh rates as high as 200-240Hz.

There are some IPS monitors with very good refresh rates and response times, but they’re on the pricier side. You can expect to pay more than $500 for an IPS monitor with a 1ms response time. If you’re looking for a more budget-friendly IPS monitor, then you’ll have to settle for response times of 4ms or slower. IPS panels are also prone to backlight issues. Color reproduction is better than on TN panels, even at extreme angles, but the backlight can sometimes be seen.

Our REAPER series monitor—starting with the RFI25CBA—has been designed to overcome this particular issue. It’s been engineered to reduce the amount of backlight bleed-through on its IPS panel. The monitor also features an MRPT Mode to produce extremely clear moving pictures with excellent color while significantly reducing backlight issues.

VA, or Vertical Alignment, panels are somewhere in between TN and IPS, offering the best of both worlds. This type of panel is common in TVs but is relatively uncommon for gaming monitors. TN panels offer very good contrast ratios, so you can expect vibrant colors and good color reproduction. They also offer good viewing angles, and while brightness may vary depending on the angle you’re looking at the screen from, they’re not susceptible to the backlight issues of IPS panels.

The downside of VA panels is that they have slower response times. As with IPS panels, newer models do have high refresh rates, but the slow response time means you may see ghosting or motion blur in fast-paced, competitive games. Fortunately, all VIOTEK monitors come with AdaptiveSync, which works with AMD® FreeSync® and NVIDIA® G-Sync™ technologies. AdaptiveSync eliminates image distortion (e.g., tearing, stuttering, ghosting and judder) and other glitches that can happen if the monitor’s refresh rate doesn’t match the frame rate of the computer’s GPU. The result is smoother action with clearer images.

There are benefits and downsides to each panel type, and there’s no one correct answer to the question of “which is best.” It depends on your budget, the type of games you enjoy playing, whether you prize response times over other features, and what else you do with the monitor.

If you’re a competitive gamer who wants the absolute best response time on a budget, TN panels will get the job done, but they may disappoint when you’re playing a heavily modded game of Skyrim and want to stop and enjoy the scenery. IPS panels can deliver a similar experience if you’re willing to spend a lot of money. But if you’re like most of us, you’d rather put that extra cash towards a slightly better GPU.

VA monitors are a great “Jack of all trades.” The NBV24CB2, for example, is a highly affordable 1080P monitor that offers a 75Hz refresh rate and AdaptiveSync technology—along with some other nice extras. Those extras include GAMEPLUS targeting crosshairs and FPS/RTS display modes to help give you the advantage while playing first-person shooter games. This monitor is ideal for gamers with mid-range systems. If you’re playing marathon sessions, the NBV24CB2 has a blue-light filter to help reduce eye strain. And there’s great color reproduction for watching videos.

Looking for something with a little more power? The GNV32CBO or GFV24CB are two 1080p monitors. These offer super-fast 165Hz refresh rates for pro-motion with reduced input lag. They’re also VA panels, delivering great color reproduction, AMD FreeSync to reduce image ghosting, and other game-friendly features.

With the right monitor, you can play for longer and enjoy a smoother and more responsive experience, whether that’s in an FPS, driving game, or RTS. These monitors are designed with gamers in mind and put you in control of every move. Check out Viotek’s selection of monitors today and find the best fit for your needs!

lcd panel tn or ips quotation

Although IPS, VA and TN displays all use LED technology (a form of LCD or Liquid Crystal Display), the picture quality and response times can vary; TN monitors do not reproduce colour as effectively as IPS and VA types, for example.

At LG, we have a range of IPS and VA panels available, so it’s worth getting to grips with the differences between these two types when you’re looking for a new monitor.

IPS (or in-plane switching) monitors offer brilliant image quality and colour reproduction. You’ll find selected IPS monitors in our website that support 98% sRGB and come with HDR10 technology,

Additionally, you’ll find that the image quality isn’t compromised at different angles with an IPS monitor, which means they’re suitable for shared viewing. This is what sets them apart from TN panels, which may not offer the same kind of flexibility. Generally speaking, users have to look at TN monitors straight on for true colour accuracy.

VA (which stands for vertical alignment) displays use vertically aligned crystals that are backlit. Whilst you’ll find IPS technology in a wide range of displays, you’ll only really find VA technology in monitors and TVs.

Like IPS panels, VA monitors provide clear images, but they’re especially good – arguably the best – at displaying contrasts. We have VA panels with high contrast ratios of 3000:1 and 2500:1, which reproduce dark colours brilliantly. Some of our VA monitors also come with a Black Stabiliser Mode, to offer even better visibility when viewing dark scenes in films and games.

The resolution of a monitor will determine how clearly it can display images. Generally speaking, the higher the resolution, the clearer the picture will be.

In monitors, the contrast ratio is the difference in luminance (or light intensity) between the purest white and the darkest black. Monitors with higher contrast ratios provide crisper, clearer images. They also reproduce deeper black colours, which is important if you’re watching films or playing games that have lots of dark scenes – especially if you’re in a dark room.

On a monitor, the refresh rate determines how quickly a monitor’s image changes. A faster refresh rate equates to a smoother image, and the number of changes per second is measured in hertz (Hz). Response time is the time it takes for a pixel to change colour, and this is usually measured in milliseconds (ms). These concepts are connected, because a monitor can’t refresh an image if the pixels are unresponsive.

When looking at our monitors, you’ll notice that the selected range of our LG Monitors come with a range of innovative technologies. Below are some of the most notable features you’ll find in selected models

The UltraWide™ series features monitors that are – as the name suggests – wider than average. Ranging from 25” up to an impressive 49”, these models provide plenty of screen real estate for multi-tasking.

You’ll find curved monitors in this range, too. If you’re looking for an immersive gaming experience, you may find that a curved monitor works best; find out why with our guide here.

Nano IPS with ATW, as well as OLED with Anti-glare and Low Reflection, bring the UltraGear™ monitors to the next level of image quality, enabling the gamers to enjoy the life-like gameplay.

With Nano 1m Response time and a maximum 260hz(0/c) refresh rate, these monitors synchronize and can make gamers feel as if they were in the centre of the game.

UltraGear™ models are also designed for gamers. An optimized design for gaming, not only what you can see but also the internal software, will lead you to an immersive gaming experience wherever you want.

lcd panel tn or ips quotation

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lcd panel tn or ips quotation

A. The first thing to realise when buying a new screen is that you can’t always rely on quoted specifications. These are often exaggerated for marketing purposes, and are commonly based on different measurement techniques and varying benchmarks between each manufacturer. As a guide and general rule of thumb:

Resolution is an important consideration for various reasons. You need to consider the size of the screen, whether you will need to use operating system scaling or not (e.g. for Ultra HD or 4K resolutions) and whether your graphics card can support the resolution for your uses effectively (e.g. high demand on the system for gaming at 4K resolution). Read about resolution in more detail in our specs section.

The lower the response time the better. Be aware of ISO response time figures and grey to grey (G2G) transition figures as you will need to understand the difference. Screens with a G2G quoted response time use ‘Response Time Compensation’ (RTC) technologies, sometimes referred to as overdrive. These technologies are used to boost pixel response times and in practice can make quite a lot of difference. This is particularly important with non-TN Film panels (i.e. IPS, PVA, MVA etc)

The wider the viewing angles the better. Be wary of how they calculate their figures. Sometimes they will try sneaking things like listed them when CR > 5 instead of when CR > 10 to inflate their numbers. Again real life performance might not match quoted specs. You will normally see TN Film panels listed with a 170/160 viewing angle (a classic indication that the screen is using TN Film technology by the way). IPS-type and VA-type panels will normally feature a 178/178 viewing angle spec, but in reality the performance does vary.

The higher the refresh rate, the better the screen would be for gaming generally. Refresh rate has a direct impact on motion clarity and frame rate support for the screen. Most high refresh rate panels are 120 or 144Hz natively which is a significant improvement over 60Hz standard refresh rate panels. Keep an eye out for “overclocked” refresh rates as well with some manufacturers boosting the natively supported refresh rate higher. Results of that overclock will vary so try and check out reviews before you assume it will offer further improvements.

If you’re a gamer then look out for Variable Refresh Rate (VRR) technologies which will significantly improve fluidity in gaming and avoid stuttering, tearing or lag associated with older Vsync technologies. At the moment your choice depends on your graphics card vendor, either AMD FreeSync or NVIDIA G-sync.

Perhaps the most important ‘spec’ to consider if the panel technology being used in the monitor. This is not always provided but if in doubt you can use our panel search tool to identify a particular model’s panel technology.

We would really recommend reading further into the details about monitor specs before you make your purchase so you can understand what they infer about the monitors performance characteristics.

A. very important thing to consider is what panel technology the screen uses you are interested in buying. While specs may look similar on paper, performance may vary quite considerably between the models due to the underlying panel technology used. The most common technologies used in the desktop monitor market are TN Film, IPS-type (and similar variants like PLS and AHVA) and VA -type. These are all produced by a range of panel manufacturers and offer a variety of strengths and weaknesses. There is a reasonable amount of talk about panel technologies with many people quick to jump on a bandwagon and claim one is superior to another. To be honest, they all still have their place in the modern market, and due to their different characteristics, can play a key part in finding the right monitor for your use.

PLS (Plane to Line Switching)= S-PLS, a Samsung technology exclusive to them and very similar to LG.Display’s IPS in performance and can therefore be called an “IPS-type” technology

AHVA (Advanced Hyper-Viewing Angle) = developed by AU Optronics as another alternative to LG.Display’s IPS, very similar again and so can be called “IPS-type”

Dynamic contrast ratios – perhaps the most overly exaggerated specs in the modern market. You will see figures in the millions now, but these are largely meaningless. Dynamic contrast ratios involves controlling the backlight of the screen automatically, depending on the content shown on the screen. In bright images, the backlight is increased, and in darker images, it is decreased. There is no real need to have a DCR of over 10,000:1 as you just wouldn’t notice the difference in practice. The figures being quoted now are based on measurements of monitor states which would just never occur in real use. In fact modern DCR’s of LED backlit screens assume the “black” state is in fact when the backlighting is turned off, in which case DCR would effectively be tending towards infinity:1. Just ignore DCR figures are they are not a reliable spec. In practice you would never achieve the numbers quoted. Far more important really is how effective the mechanism is and whether it is smooth and at what speed changes are made. Also keep in mind many people don’t even like the technology at all!

Response time– Generally the lower the response time the better, but you need to understand the impact panel technology has on practical responsiveness. Also understand the difference between panels with and without Response Time Compensation (RTC) / Overdrive technologies as that can have a significant impact. Don’t rely purely on a quoted response time figure on paper.

Colour gamut – don’t assume that a higher colour gamut is better! The gamut represents the colour space that the backlighting unit of the monitor allows the screen to display. You need to understand that most normal content is based on a certain colour space (sRGB) and that there can be issues if you view this using a wide gamut screen. See here for more information.

Backlighting – LED backlighting is becoming increasingly common in modern screens with manufacturers making a lot of claims which aren’t necessarily true. You need to understand what different backlighting will actually offer you. In reality, LED backlighting in mainstream screens is based on White-LED (W-LED) backlight units and only really offers benefits in terms of power consumption, screen thickness, and in environmental considerations. See this article for more information.

A. Generally nowadays with all the ultra-low response time models available, ghosting caused by slow pixel response times is just not an issue for the majority of users. Performance has improved significantly over the years and blurring and ghosting has been largely eliminated on the faster displays. The use of RTC technologies (overdrive) significantly helps improve response times and speed up pixel transitions. This is particularly important on IPS/VA type displays which can be very slow where RTC is not used. Look out for response time specs quoted with a “G2G” (grey to grey) response time as that should indicate the use of overdrive technologies.

Nowadays screens supporting high refresh rates (120Hz+) input frequencies are becoming more and come common, and these can help reduce motion blur and ghosting and improve gaming performance considerably. They are also able to support higher frame rates than traditional 60Hz displays and some are also capable of supporting 3D stereoscopic content through active shutter glasses. Do be careful of assuming that a screen advertised as supporting 3D is in fact able to support 120Hz though, as some 3D models do not support this and instead use passive methods to produce the 3D effect (see here for more info on 3D technologies). Refresh rate of the panel does have a direct impact on motion clarity and for optimal gaming performance you will want to consider those high refresh rate displays above 60Hz.

Ghosting and motion blur perception may also depend on how susceptible you are as a user, as one person may see no ghosting, another may see lots on the same panel. The best bet is to try and see a TFT in action in a shop and see for yourself, if that’s not possible you will have to settle for the opinions of other users and take the plunge! Also be careful to get an idea of real life performance in practice, and don’t just rely on quoted specs. While they are often a good rough guide to the gaming performance, they are not always reliable.

One area which cannot be eliminated fully through response time improvements is perceived motion blur. This is related to how the human eye tracks movement on hold-type displays like LCD’s. In recent years several methods have been used to help provide improved motion blur for users. Models featuring LightBoost backlights for 3D gaming were found to be “hackable” to bring about motion blur benefits through the use of their strobed backlight system. Other displays have now introduced native strobed backlights to offer similar benefits. Look out for models with Motion Blur Reduction backlights like the BenQ XL2420Z / XL2720Z (Blur Reduction mode), Eizo Foris FG2421 (Turbo 240) and Asus ROG Swift PG278Q (ULMB) for instance. ULMB as a feature is common on NVIDIA G-sync enabled displays where high refresh rate is used.

Have a read here about response times if you are unsure about what specs mean or want more information. Generally modern TN Film panels will offer the fastest response times, and often also support 120Hz input frequencies for 3D support / extended frame rates. Look out for models with a quoted “G2G” response time indicating they also use overdrive which can really help in practice. Modern IPS-type panels can also be very fast where overdrive is applied well, so again look for “G2G” figures. High refresh rate IPS panels are also becoming more common which helps improve motion clarity further. Other technologies like PVA and MVA are unfortunately quite slow in practice by modern standards, even where overdrive or high refresh rates are used. Check reviews to be sure of an individual screens performance wherever possible.

A. As a rule of thumb, it would normally be best to use the digital video connection end to end to connect your device to your monitor. For a PC, this would commonly be DisplayPort, HDMI or DVI which offer a pure digital end to end connection between the graphics card and the monitor. DisplayPort is needed to run the high resolution/high refresh rate panels so you will need to ensure your graphics card has a DP output. Some screens or cards use Mini DP instead of the full size version, but that is simply a different size connection and can be easily inter-changed with “normal” DisplayPort. Cables which are DP at one end, and Mini DP at the other are common and simple to use.

HDMI and DisplayPort are also common digital connections now being offer, but unlike DVI are also capable of carrying audio as well as video. The picture quality should not be any different between DVI, HDMI and DisplayPort in theory as long as no additional video “enhancements” are applied when using one over the other. Bandwidth requirements will vary so this might influence which type you need to use depending on the screen resolution and refresh rate.

Converting between DVI and HDMI is easy and cables are readily available to offer that if needed (keeping in mind you will lose the sound transmission when it reaches the DVI). Converting between DVI/HDMI and DisplayPort is far more tricky and not simple to achieve. It is very hit and miss and working active adapters are expensive. We would advise avoiding the attempt to convert DP to HDMI/DVI if you can.

A. There is a lot of talk about colour depth on TFT screens, now more than ever with the emergence of 6-bit IPS and VA panels. At one time TN Film was the main 6-bit technology but today that is no longer the case. It’s important to put this into perspective though, and not jump on the bandwagon of 8-bit being much, much better than 6-bit. Or even 10-bit being much better than 8-bit.

An 8-bit display would offer a colour palette of 16.7 million colours. They offer a ‘true’ colour palette, and are generally the choice of manufacturers for colour critical displays over 6-bit panels. On the other hand modern 6-bit screens use a range of Frame Rate Control (FRC) technologies to extend the colour palette from 262,144 colours to around 16.7m. In fact on many modern panels these FRC are ve