For a long time, computer monitors and mobile phones were equipped with a TFT display. It seemed that the capabilities of such a matrix are enough to view high-quality pictures. But gradually it became clear that there are other technologies that can significantly increase viewing angles, as well as increase color reproduction. One of these technologies is IPS, which will be discussed in this article.
IPS screen structure
At the time, the invention of IPS displays allowed the creators of smartphones and tablets to make a big leap in the quality of the displayed image. For the first time, mobile devices have come close to plasma TVs in this parameter! Now smartphones could boast almost maximum viewing angles, and the color rendition began to pleasantly please the eye.
The matrix made using IPS technology consists of thin-film transistors located parallel to each other. Or liquid crystals, as they are called much more often. Another difference from the TFT-display is the fact that the crystals do not rotate when there is no voltage (when it is necessary to achieve a black color). It is these two properties that lead to the fact that the colors are almost not distorted, no matter what viewing angle the viewer chooses. It is also clearly visible that the IPS-screen produces a deeper black color, especially its expensive variation, built into flagship smartphones or expensive TVs.
Disadvantages of IPS Matrices
The parallel arrangement of pixels also plays a negative role. Unfortunately, the IPS screen has a long response time . If the developers did not use expensive tricks, then this parameter will be approximately 5-8 ms. For a TFT matrix, this parameter usually does not exceed 2-3 ms. Of course, in ordinary life a person is unlikely to notice such a difference. A decent response time is felt only in some games. We are talking about games for the PS4 and Xbox One, on the smartphone, such problems are not felt at all.
Another disadvantage of the technology is its high power consumption . Whatever one may say, smartphones with an IPS display consume a charge quickly enough. This is due to the fact that it is much more difficult to rotate an array of crystals located parallel to each other (this is necessary to show one color or another) - this requires more voltage. That is why phones with an IPS screen are usually equipped with either a capacious battery or an energy-efficient processor.
But the price definitely can’t be brought into flaws. Of course, TFT-matrices are still cheaper, which is why they are still built into push-button cell phones. But the difference is not so great, so even super-budget smartphones based on Android are increasingly getting an IPS display. But you need to understand that not all screens created using this technology are the same. The cheapest ones still have some color distortion when viewed from certain viewing angles. But even such matrices produce a much better picture than TFT products.
Which display is better: IPS or AMOLED?
Of course, a comparison with much more expensive screens made using AMOLED technology is now obvious . Such matrices are based on organic LEDs. That is, their pixels are not only parallel to each other, due to which maximum viewing angles are achieved, they also glow independently! In this regard, the display based on organic light-emitting diodes provides deeper black colors, and therefore the realism of the picture is significantly increased.
So, AMOLED vs IPS. Who is winning? Of course, a more expensive matrix. It is no accident that OLED screens are built into the most advanced TVs. The difference between the two types of displays is very easy to notice, especially if the matrices built into relatively inexpensive smartphones are compared. Nevertheless, we must not forget that the production of compact AMOLED displays in normal volumes is adjusted only by Samsung . Of course, the South Koreans sell a certain amount of their products to the side, but until now AMOLED screens are rarely found in other smartphones. In this regard, buyers do not have to choose - if the amount to buy a device is not particularly large, then you will have to look for a device with an IPS screen.
IPS technology will not be forgotten for a very long time. Now the screens made on it have the best ratio of price and quality. In no case do not buy a smartphone equipped with a TFT-display - this technology has already outlived its own. Well, you need to think about the AMOLED screen only if there is a sufficiently large free amount.