In recent years there has been an explicit desire of smartphone makers to work towards increasing the refresh rate of the screen. Previously, this somehow did not think, but now it’s time to change something, and were chosen from this vector. As with megapixels, now a look at Hertz, but this doesnít make much sense. Samsung said that the screen refresh rate is not as important as something else. What really affects the perception of the image on the screen. We can say that Samsung is just throwing his weight around, just can’t make screens with a frequency of 120 Hz, but to listen to her arguments is at least due to the fact that Samsung ”runs” on the market screens and owns almost all the technologies, many of which were invented by its engineers.
Displays with a refresh rate of 120 Hz
Most of the flagship smartphones are now equipped with a display with a refresh rate of 120Hz or at least 90 Hz, even on such a meaning to say a couple of years ago it was not necessary. Apple made the iPad Pro and that was it. The smartphone still for a long time were reluctant to adopt such improvements. Now even devices average price category has been added in the refresh rate and reached 90 Hz.
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Last year Samsung announced its OLED display with a frequency of 90 Hz. The company claims that it has optimized high-speed motion. The company even claims that with the release of the new OLED-panel with a frequency of 90 Hz become as good as LCD panels with 120 Hz. This applies not only to smartphones, but to other screens. In the end, the principle of them about the same.
What is important is whether the response speed of the display
According to the world certification SGS screens of Samsung, made by technology OLED, have a response speed of no more than 14 msec at a frequency of 90 Hz and 11 MS at a refresh rate of 120 Hz.
Responsiveness is achieved by the fact that in design there are no liquid crystals, which are more inert than the elements OLED matrix. The most important limitation is the mobility of the electrons and driven current characteristics. In the end, this leads to a more natural and rapid mapping. Interestingly, the response speed can be increased, if slightly modify the matrix.
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The screen refresh rate is a calculated value that shows how quickly the image is refreshed on the screen. I mean, how many times in one second, the image may perepisovatsya. Simply put, a screen with a refresh rate of 60 Hz can display on a video in 60 frames per second, and display with a frequency of 90 Hz will show 90 updates per second. It turns out that the refresh rate shows how much smoother change of images.
For comparison, imagine watching a video where the frame changes once per second. This is some kind of Filmstrip is obtained. Therefore, the more the refresh rate, the less dynamic the picture is different from what happens in reality. This is especially important when watching action videos and computer games. And the smartphone interface — the more smoothly the moving picture, the more responsive and powerful, it seems the device.
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Cons displays with high refresh rate
Screens with high refresh rate is really excellent and give the opportunity to experience the dynamic scene of the film, but, for example, when reading books from the screen it’s just going unnoticed. That is, different users will appreciate the same screen in different ways. One it will give the opportunity to experience all the dynamics, while others feel that nothing has changed in the transition to the new display.
If it is not enough just to put a screen with a higher refresh rate. We still have to give the device a productive iron which will be able to calculate such a high refresh rate. And still it is necessary to understand that the calculation of such a frequency update requires a battery. Systems that automatically adjust the frequency of the updates, solve this problem, but why strive for more if you have the opportunity to take less but get more.
According to a statement from Samsung display with a refresh rate of 90 Hz may show a better picture than the one that has 120 Hz. Most importantly, choose OLED-matrix. Visual comparison of the displayed images well demonstrates all the possibilities of OLED-matrix. Agree that less frames, but with no train.
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It turns out that once again we received proof that the marketing figures that we are stuffed with presentations, nothing to say from the point of view of the real quality of the product. In the case of screens is more important than the update rate of the picture, but the speed of response of the matrix. If it is insufficient, then we get a ”soap” instead of good pictures. In this case, as they say, why is it even necessary to us? Only the battery once again put.