super ips lcd2 vs tft lcd factory
If you want to buy a new monitor, you might wonder what kind of display technologies I should choose. In today’s market, there are two main types of computer monitors: TFT LCD monitors & IPS monitors.
The word TFT means Thin Film Transistor. It is the technology that is used in LCD displays. We have additional resources if you would like to learn more about what is a TFT Display. This type of LCDs is also categorically referred to as an active-matrix LCD.
These LCDs can hold back some pixels while using other pixels so the LCD screen will be using a very minimum amount of energy to function (to modify the liquid crystal molecules between two electrodes). TFT LCDs have capacitors and transistors. These two elements play a key part in ensuring that the TFT display monitor functions by using a very small amount of energy while still generating vibrant, consistent images.
Industry nomenclature: TFT LCD panels or TFT screens can also be referred to as TN (Twisted Nematic) Type TFT displays or TN panels, or TN screen technology.
IPS (in-plane-switching) technology is like an improvement on the traditional TFT LCD display module in the sense that it has the same basic structure, but has more enhanced features and more widespread usability.
These LCD screens offer vibrant color, high contrast, and clear images at wide viewing angles. At a premium price. This technology is often used in high definition screens such as in gaming or entertainment.
Both TFT display and IPS display are active-matrix displays, neither can’t emit light on their own like OLED displays and have to be used with a back-light of white bright light to generate the picture. Newer panels utilize LED backlight (light-emitting diodes) to generate their light hence utilizing less power and requiring less depth by design. Neither TFT display nor IPS display can produce color, there is a layer of RGB (red, green, blue) color filter in each LCD pixels to produce the color consumers see. If you use a magnifier to inspect your monitor, you will see RGB color in each pixel. With an on/off switch and different level of brightness RGB, we can get many colors.
Winner. IPS TFT screens have around 0.3 milliseconds response time while TN TFT screens responds around 10 milliseconds which makes the latter unsuitable for gaming
Winner. the images that IPS displays create are much more pristine and original than that of the TFT screen. IPS displays do this by making the pixels function in a parallel way. Because of such placing, the pixels can reflect light in a better way, and because of that, you get a better image within the display.
As the display screen made with IPS technology is mostly wide-set, it ensures that the aspect ratio of the screen would be wider. This ensures better visibility and a more realistic viewing experience with a stable effect.
Winner. While the TFT LCD has around 15% more power consumption vs IPS LCD, IPS has a lower transmittance which forces IPS displays to consume more power via backlights. TFT LCD helps battery life.
Normally, high-end products, such as Apple Mac computer monitors and Samsung mobile phones, generally use IPS panels. Some high-end TV and mobile phones even use AMOLED (Active Matrix Organic Light Emitting Diodes) displays. This cutting edge technology provides even better color reproduction, clear image quality, better color gamut, less power consumption when compared to LCD technology.
This kind of touch technology was first introduced by Steve Jobs in the first-generation iPhone. Of course, a TFT LCD display can always meet the basic needs at the most efficient price. An IPS display can make your monitor standing out.
Steven Van Slyke and Ching Wan Tang pioneered the organic OLED at Eastman Kodak in 1979. The first OLED product was a display for a car stereo, commercialized by Pioneer in 1997. Kodak’s EasyShare LS633 digital camera, introduced in 2003, was the first consumer electronic product incorporating a full-color OLED display. The first television featuring an OLED display, produced by Sony, entered the market in 2008. Today, Samsung uses OLEDs in all of its smartphones, and LG manufactures large OLED screens for premium TVs. Other companies currently incorporating OLED technology include Apple, Google, Facebook, Motorola, Sony, HP, Panasonic, Konica, Lenovo, Huawei, BOE, Philips and Osram. The OLED display market is expected to grow to $57 billion in 2026.
An AMOLED display consists of an active matrix of OLED pixels generating light (luminescence) upon electrical activation that have been deposited or integrated onto a thin-film transistor (TFT) array, which functions as a series of switches to control the current flowing to each individual pixel.
Typically, this continuous current flow is controlled by at least two TFTs at each pixel (to trigger the luminescence), with one TFT to start and stop the charging of a storage capacitor and the second to provide a voltage source at the level needed to create a constant current to the pixel, thereby eliminating the need for the very high currents required for PMOLED.
TFT backplane technology is crucial in the fabrication of AMOLED displays. In AMOLEDs, the two primary TFT backplane technologies, polycrystalline silicon (poly-Si) and amorphous silicon (a-Si), are currently used offering the potential for directly fabricating the active-matrix backplanes at low temperatures (below 150 °C) onto flexible plastic substrates for producing flexible AMOLED displays. Brightness of AMOLED is determined by the strength of the electron current. The colors are controlled by the red, green and blue light emitting diodes. It is easier to understand by thinking of each pixel is independently colored, mini-LED.
IPS technology is like an improvement on the traditional TFT LCD display module in the sense that it has the same basic structure, but with more enhanced features and more widespread usability compared with the older generation of TN type TFT screen (normally used for low-cost computer monitors). Actually, it is called super TFT. IPS LCD display consists of the following high-end features. It has much wider viewing angles, more consistent, better color in all viewing directions, it has higher contrast, faster response time. But IPS screens are not perfect as their higher manufacturing cost compared with TN TFT LCD.
Utilizing an electrical charge that causes the liquid crystal material to change their molecular structure allowing various wavelengths of backlight to “pass-through”. The active matrix of the TFT display is in constant flux and changes or refreshes rapidly depending upon the incoming signal from the control device.
The two buzzwords the tech world has been chatting about for a number of years now is IPS, (In-Plane Switching) screen technology used for liquid crystal displays or LCD’s for short, and TFT (Thin-Film-Transistor) an active matrix screen technology, which is more expensive, but a sharper image.
Designed in the 1980’s, but not introduced until nearly a decade later, in 1996, by Hitachi, IPS technology is nothing new, and a type of LCD design that affords greater viewing angles and higher-quality color reproduction than the traditional TN or Twisted Nematic LCDs.
When Apple brought it to the public’s attention, it took off, and as they say, the rest is history; but, it really didn’t become widespread or worldwide until just the late 1990’s. Since then, IPS screens have been implemented in homes all over the world, with variations to suit one’s electronic needs.
TFT (Thin-Film-Transistor) Liquid Crystal Display is a thin display type, where a transistor embedded into each crystal gate; these transistors are then printed on thin-transparent film. The technology was designed to improve image qualities, such as contrast and addressability.
Also designed in the late 1980’s, TFT display technologies is just another variation of LCD displays that offer greater color, contrast, and response times as opposed to available passive matrix LCD’s. One of the primary differences between IPS and TFT display technologies is the cost. IPS is more expensive than TN technology. However, there are some key differences between the two that should be noted.
Before we go into the differences, let’s talk about features of each technology. Note that we’re not talking TVs, computer, or tablets, but screens on a much smaller scale, (think 7” or smaller) which uses different rules to fit that scale. First, it’s interesting to discover that the TFT display technologies is the most common type of color display technology; more monochrome displays still out-sell color, due to lower cost and lower power consumption, however, the narrow poor visibility of TFTs in direct sunlight is their downside; but I’m getting ahead of myself here.
IPS technology has come a long way in regards to cell phones and other LCD screens that are even much smaller. (Picture digital clocks on a radio, microwave, and hand-held games) Some of the features of an IPS screen include:Wider viewing angles – crystals are aligned horizontally rather than vertically, so it allows for better angled viewing, perfect for smaller screens, where you need to rotate the screen for better viewing
Brilliant color image – this is a huge advance in technology, from a Twisted Nematic (TN) display that only produced 6-bit color, to an 8-bit color display with the IPS technology
Variations to help with user’s viewing requirements or desires – there are several different forms of IPS technology: Super-IPS, (S-IPS) Advanced Super IPS, Advanced S-IPS, where the liquid crystal molecules stay parallel to the front and back panels, instead of perpendicular when a voltage is applied
TFT display technologies have developed over the years and have become quite popular in tech circles. The features offered with this advancing technology are:Superior color display – for technology that requires it or for consumers that desire color screens
Variety of displays, which can be interfaced through a variety of bus types, including 18 and 24 bit for red/green/blue, LVDS, and 8 bit and 16 bit for a CPU – many controllers allow for two or more different types of interfaces on the same TFT screen
Let me explain. As you can see, both have excellent color display and clarity; however, IPS screens offer greater color reproduction and viewing angles because of the way crystal orientation and polarizers are arranged. In a TFT screen, the structure of the crystals results in angular retardation in the light. The IPS screens thus offer less distortion properties. Other differences include power consumption and cost. With IPS screens, it takes more power (up to 15% more) than with a TFT screen. If you’re on a monitor, such as a computer screen that’s bigger than 7 inches, it will drain your battery faster than if you’re on a 3.5” screen. Regarding cost, IPS panels are more expensive to produce than TFT panels.
Here’s why:IPS screens are popular and in high demand with professionals including surgeons and photographers or pretty much any profession that requires color reproduction, therefore, because the demand is high, the price goes up. (way to love economics) Also, less manufactures are building IPS at this time.
The color channels increase from 6 bits (TN displays) to 8 bits (IPS displays) to ensure the precision of shades per color channel, thus increasing manufacturing costs
If you want the benefits of having a Smartphone without a huge price tag, then TFT devices are your best bet. Another difference is that IPS screens have longer response times than TFT screens, so the lag output is greater. A few other key differences to be aware of are that with IPS panels, you get a bigger variety of panels, as was discussed above, with their super, advanced, and so forth developments, giving the consumer options, and IPS screens that can display 24-bit TrueColor; they also stay color-accurate and remain stable.
Because of their superior color and clarity of images, devices using an IPS screens are easy to install on walls, due to their compact form and low-depth. The Super IPS screens offer a higher angle of 170˚ for better clarity and wider viewing, particularly at night. Images remain stable and clear and not sparkly, shiny, like other screens; they also have a longer battery life and screen life, (on smaller screens of course) because of the lower electrical output. The release of heat is lower, again because of the reduced electrical consumption. The colors are also more vibrant and clear, not pixelated like other lower quality-type devices. As mentioned earlier, there are also many variations of IPS technology to suit your needs and desires.
Now we will go over the downside of IPS screens, which we briefly touched on above, which includes a major disadvantage: cost. If you’re just looking for an average Smartphone or don’t need all the fancy coloring and clarity for LCD displays, then cost may not be a big factor; however, this is the main reason why IPS technology is beginning to come down. As with every new invention, discovery or technology, demand is everything. Another disadvantage is that colors may not always transcribe correctly or accurately, which may or may not be a deterrent. Also, high resolutions are not always readily available for personal applications. In certain circumstances, the brightness may not be enough, especially in darkness.
Steve Jobs said it best: “Design is not just what it looks like and feels like. Design is how it works.” I tend to agree with him. With TFT display technologies, less energy consumption is a big deal, especially when dealing with bigger screens, and of course less electricity means lower cost, overall. The visibility is sharper, meaning no geometric distortion, which is great for these tired, old eyes. The response time and physical design of the screens are also appealing. TFT displays can also save space and be placed virtually anywhere in an office or home, because of the brightly lit feature and crisp clear images.
Some cons of TFT screens deal with the viewing angle, which create distortion, resulting in a less-than-perfect image. Static resolution, meaning the resolution can’t be changed, may also cause a problem, but newer models seem to have tackled that issue. The accuracy of the display of colors is not perfect, specifically strong blacks and bright whites, so when printing an image, it may not display the spectrum of colors.
And there you have it. In the future, even this superb technology will change and new, more exciting technology will take its place. But until then, IPS & TFT screens are forging ahead with their own advances and improvements, so stayed tune. You don’t want to miss it.
Focus Display Solutions (www.FocusLCDs.com) offers off-the-shelf Color TFT display technologies in both TN and IPS. Many of the color modules contain built in touch panels.
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The tried and trusted TFT is the display of choice for most industrial designs, but it does have its limitations in viewability and colour vibrancy. But what about the relatively new technology, IPS (in plane switching) which has turned the TFT into a super-TFT? What are the benefits and drawbacks of each?
IPS derives its name from the fact that the liquid-crystal molecules are aligned in parallel with the glass plates, whereas the TN principle adopted in conventional TFT displays is based on perpendicular alignment of the molecules. In an IPS display, the crystals remain oriented in parallel whether the pixel is turned on or off.
A TFT display is a form of Liquid Crystal Displaywith thin film transistors for controlling the image formation. The TFT technology works by controlling brightness in red, green and blue sub-pixels through transistors for each pixel on the screen. The pixels themselves do not produce light; instead, the screen uses a backlight for illumination. Discover our TFT Products
Because the pixels block light when in the off state (the opposite situation to conventional TFT), IPS TFT exhibits high contrast and the background is true black when the display is powered down.
Display choice really does depend on your application, end user and environment. It may be a higher-grade IPS is needed to satisfy outdoor requirements, or a lower cost standard TFT display is sufficient. Before you make your choice, why speak with us and we will be happy to talk you through your options.
A wide variety of 4.3 ips lcd options are available to you, such as original manufacturer, odm and retailer.You can also choose from tft, ips and standard 4.3 ips lcd,
Have you ever wonder where TFT derive from? Why is TFT referred to as LCD? The phenomenon started in early days, when bulky CRT displays were thing of the past and LCD was its replacement, but as time progresses, there were still room for improvement, which leads to the birth of TFT’s.
TFT is a variant of an LCD which uses thin film transistor technology to improve an image quality, while an LCD is class of displays that uses modulating properties of liquid crystals to form what we call an LCD (liquid crystals display) which in fact does not emits light directly.
Even though LCDs were very energy efficient, light weight and thin in nature, LCD were falling behind to the CRT display, which then leads to a change in LCD manufacturing, where performance became a big problem.
For example, having a 2001 Mustang vs a 2014 Mustang, the dimensions and engine of the 2014 has been redesign for performance reasons, not mentioning user friendly, so does the LCD to TFT.
As the birth of TFT, the elements are deposited directly on the glass substrate which in fact the main reason for the switch was because TFTs are easier to produce, better performance in terms of adjusting the pixels within the display to get better quality.
LCDs became ineffective over a period of time, almost all aspect of watching a TV, playing video games or using a handheld device to surf the net became daunting, this phenomenon is known as high response time with low motion rate.
Another problem with LCD was crosstalking, in terms of pixelating, this happens when signals of adjacent pixels affects operations or gives an undesired effect to the other pixel.
As TFT’s become very popular throughout the century due to its elaborate low charge associate and outstanding response time, LCDs became a thing of the past, and TFT became the predominant technology with their wider viewing angles and better quality this technology will be around for a long time.
With the newest addition to the displays like LCD and LED, we have some significant modifications to them. These displays are most often used in smartphones. A smartphone usually has a Touch screen interface and thus people are more into the display quality. Manufacturers are trying to provide customers with displays that could be better, brighter, and vivid. There are three most popular displays that we often see with most of the phones. These are IPS LCD, AMOLED and Super AMOLED which are the modification to the traditional LCD and LED.
The IPS LCD(In-Plane Switching Liquid Crystal Display) is a modified version of the old LCD and was developed to overcome the limitations of it. If you remember using a phone with a plain old LCD, we didn’t get much of a viewing angle. Colors used to fade away while looking at it from another direction and the image quality was blurry due to poor color reproduction.
When these crystals are subjected to an electric field by two sets of electrodes they tend to obtain a 90 degree twisted structure. The IPS works on the same strategy but the alignment of the electrodes is a little different. In the IPS display, they are located on the same plane. Electrodes in the IPS LCD generate an electric field that is parallel to the lower glass plate. It then uses a polarised light that passes through these liquid crystal molecules with additional horizontal and vertical filters on either side.
The AMOLED(Active Matrix Organic Light Emitting Diode) has an active matrix of Organic LEDs. These consist of the electroluminescent layer which is made up of organic compounds. Whenever electricity is passed through the Thin Film Transistor (TFT) which houses the organic compound, it generates light. The transistor also acts as a series of switches that control the illumination by controlling the current flow.
The IPS needs a good backlight to produce a proper polarised light. Which in turn gives us a brighter white and good visibility in sunlight. It also gives good screen clarity too. The power consumption of the IPS LCD is almost 15% greater than the AMOLED.
On the other hand, the IPS LCD has great color reproduction. The whites are far better than that of the AMOLED, which look a little yellowish. It also adds natural color to the other segments. The electric field changes the nature of the liquid crystal’s behavior to produce good viewing angles. Thus most of the time photographers usually prefer to use an IPS LCD display in a camera.
The cost related to the development of the AMOLED is very high. The fabricating substances needed to build up the display are very costly. Another factor is the complexity to assemble them together makes it much more expensive than building an LCD. Thus we mostly see AMOLED displays in high-end devices like Samsung.
The IPS LCD also has a higher cost in development than that of the TFT LCD, but it is not as expensive as that of AMOLED. IPS LCDs are also used by some of the renowned phone manufacturers like Apple (in their earlier iPhone 8, 7, and so on), and HTC.
Since the AMOLED uses organic compounds for electroluminescent. Like all, these organic compounds tend to fade after a long-span use. The Red and Green pixel have a longer life span than that of the blue. These Red, Blue, Green are the base pixel that gives us the multi viewable color. Thus fading of one of the fundamentals pixels can lead to a significant color change. There is another term known as Burn-in, where the pixels permanently lose their ability to return to the relaxed state. Well, this phenomenon also happens in IPS LCD but it’s not permanent.
Samsung is the biggest fan of the AMOLED screen. All of its high-end flagship devices have been equipped with the AMOLED display. Samsung introduced its newest innovation of the AMOLED called Super AMOLED.
This works the same as the Super AMOLED, reducing the gap between the touch-sensitive screen and the physical display. This specific display is used by HTC in its flagship phones. The resulting combination has a similar effect to super AMOLED like increased visibility in sunlight and low power consumption. There are also Super LCD 2 and 3 which differ in terms of brightness. Super LCD 3 is much brighter than its predecessors.
People often confuse Gorilla glass with the categories of displays. You cannot differentiate Gorilla Glass and AMOLED or IPS LCD. The Gorilla glass is a chemically strengthened glass that is used over your display like AMOLED or IPS LCD to prevent them from scratches. The Gorilla Glass is developed by Corning and now in its sixth generation.
When it comes to smartphone displays, there are two main types that are utilized; the first of which is LCD. LCD stands for Liquid Crystal Display, and while I"m not going to go into the complex designs of LCD panel circuits and exactly how they work, I"ll explain the different parts of an LCD display and exactly what the crystals do.
There are four main layers to an LCD panel: there"s the outer protective layer, the polarizing layer (or layers), the liquid crystal layer and the backlight. The outer protective layer is basically there to protect the other components from getting damaged, and it"s usually made of clear plastic or glass. The polarizing layers help the crystal layer deliver the correct light, or no light when off or black, to your eyes.
LCDs that are used in smartphones are all active matrix, which refers to the way the pixels are addressed, and they are all also used TFT technology. TFT basically means thin-film transistor and its these components that help with more accurate color reproduction, contrast and responsiveness. Underneath the TFT banner there are a two different types you can get.
Twisted Nematic is a term that is rarely used by smartphone manufacturers, instead preferring to call their displays simply "TFT LCD". It refers to the method in which crystal cells are twisted in the display to reproduce the colors, and is most commonly used in cheaper smartphone displays due to their ease of production.
Compared to the other type of LCD, In-Plane Switching (IPS), TN LCD panels have more limited viewing angles, contrast and color reproduction, hence why they are generally used in cheaper devices. That said, your computer monitor or (older) LCD TV is most likely going to be using a TN panel, so they are not always bad, just there is better technology out there.
The best type of TN LCD panel available is the Sony/Samsung-made Super LCD, or S-LCD, which has considerably better contrast levels and color reproduction compared to standard TN panels. These types of displays started appearing in the HTC Desire as a replacement for AMOLEDs when supply was short, and has since been superseded by Super LCD 2 displays.
IPS LCD panels use a more organized method of crystal cell twisting, which allows for a better quality picture and so it"s the preferred type of display for higher end smartphones. The main advantages over TN panels is significantly better viewing angles and truer color reproduction because the way the panel works reduces off-angle color shift. Modern generation IPS panels also feature much better contrast ratios than TN panels, which makes them (in some instances) comparable with AMOLED technology.
Most IPS panels used in smartphones are technically either Super IPS (S-IPS) or Advanced Super IPS (AS-IPS), and in some cases proprietary technology that improves on different aspects of IPS panels. Occasionally smartphone manufacturers will designate their panels as "IPS LCD" or "TFT IPS LCD", but in other cases they will use a brand name such as those listed below.
Retina- The term used for Apple"s LG-manufactured IPS LCD panels with high pixel densities (more on that later), used since the iPhone 4 and 3rd-gen iPad.
Super LCD 2 -The second-generation of S-LCD panels made by Sony that switch from using TN to IPS technology. They have phenomenal color reproduction, great contrast, brightness and viewing angles due to reducing the size and spacing of the component layers, and are arguably the best displays available.
Where LCD panels are made from a variety of different layers that all work in harmony to produce a picture, with AMOLED displays it"s much simpler. AMOLED stands for Active-Matrix Organic Light-Emitting Diode, as the name hints, the display actually emits colors directly from organic diodes rather than needing polarizing filters, crystals or backlights. As such, there are a number of benefits over LCD technology.
The way an AMOLED display works is very simple: there is a lower transistor layer that controls the power going to the organic upper layer; when power is applied to the organic diodes they emit light, the color of which corresponds to the molecular structure of the diode. The intensity of the light can be varied by the power sent by the transistors, which in turn allows millions of colors just like the twisting of liquid crystals in LCDs.
This leads to a number of problems. If one color of diode is too intense it can tint the display slightly; usually the blue diodes are the culprit which is why white webpages can often look somewhat blue. Also, while AMOLEDs are very vibrant due to the diode intensity, color reproduction is not as accurate as IPS LCDs, again due to the problems getting all colors on an even playing field.
Super AMOLED- The first-generation Samsung-made panel that integrates the touchscreen digitizer into the display while providing better outdoor readability
Super AMOLED Plus -The newer generation of Samsung AMOLEDs that swaps out the old PenTile matrix to an RGB matrix (see more below) for improved color reproduction
HD Super AMOLED -Again the "Super" denotes a Samsung panel with an integrated digitizer, and the lack of "Plus" means it has a PenTile matrix. The HD simply means it has a HD resolution with good pixel density
As to produce these 16.78 million colors you need one of each of the three RGB subpixels, the preferred method is to have all three of these arranged in a square, and this square becomes a pixel. This is known as the "RGB stripe" method, and it"s pretty much universally used across LCD monitors as it provides the most accurate color reproduction and the highest level of clarity.
With AMOLED displays as I mentioned above there are some issues with the technology that must be overcome such as the inconsistencies between the different subpixel intensities and lifespans. There is also another issue: it"s currently much harder to produce a high-density AMOLED display at a reasonable price because the technology to create extremely small subpixels isn"t there yet, whereas with LCDs, producing tiny subpixels is much cheaper and easier.
On devices like the Samsung Galaxy Note and Galaxy Nexus, which use PenTile HD Super AMOLED displays but have high pixel densities, the PenTile problem is virtually a non-issue. It would obviously be nicer to have a high-density RGB stripe AMOLED, and even Samsung acknowledges their Super AMOLED Plus displays are better, so in the future we"ll probably see technology and components improve so they can kill off the dreaded PenTile matrix.
It all started with Apple"s "Retina" display: a 3.5-inch IPS LCD panel touting a 640 x 960 resolution. At this size and resolution, the display had a pixel-per-inch (ppi) count of 326, a number seldom seen in other displays at the time and well over the magical 300 ppi rating. So, what is pixels-per-inch, and what does the magical 300 ppi mean?
With LCD displays the touch digitizer layer is placed above the liquid crystal layer but below the final glass protecting layer, which allows you to infrequently see some of the components as mentioned above. With some AMOLED displays, specifically Super AMOLEDs by Samsung, the digitizer is actually integrated into the same layer as the organic light-emitting diodes, making it essentially invisible while consuming less space - one of the advantages of AMOLED technology.
Sorry about the huge delay between this article and the last, but I still hope that you learnt a little bit more about what is inside your smartphone. Next time I’ll be taking a look at the connectivity chips and sensors in a smartphone, going over technologies such as Bluetooth and A-GPS along with accelerometers and gyroscopes. Check back soon for that article.