The main change in the current monitors, compared to the old tube models, has to have a fundamental component in its design: the panel. This LED panel and its technology have allowed the removal of the large tube that until then was necessary for any computer monitor to reproduce images, changing the system for a wide array of LEDs that are much easier to produce, assemble and to manage, as far as obtaining a high-quality image is concerned.
However, there is no single technology in the market in terms of the manufacture of this type of panels, being several types of panel that different manufacturers currently offer in the market all of them with its advantages and disadvantages. Some aspects that we will know a little more with this article.
TN technology is one of the most veteran in the current market and has a wide presence in all types of devices. This type of LED panels employ a realignment system of the liquid crystal molecules present in the LED to achieve the necessary image parameters. Something that is achieved through the current generated by two tiny electrodes, thus varying the parameters to achieve the passage of light just according to what we want to see.
Since it is one of the oldest technologies that we are going to talk about, its manufacturing costs are also the smallest in the market. In addition, monitors with this technology have the advantage of offering an almost instantaneous response, so that the monitor hardly needs a 1 millisecond to respond, something very much appreciated by gamers.
However, not everything is positive in this model, since the product has a fairly low viewing angle. Something that forces the user to literally sit in front of the monitor to see the images clearly. The other main drawback is that it is not able to represent all existing colors as it cannot represent 8-bit palettes, compared to 10 of other models.
The case of the panels with VA panels is an indefinite product sample. These panels have the advantage of having refresh rates that can reach 144 hertz, as well as a high level of static contrast. This allows to improve both the refresh of the image and the screen balance in HDR mode, achieving a greater separation between really dark blacks and intense whites.
With these characteristics we could be talking about a typical gamer product or seeing high-quality images. However, this is not entirely true due to the inconvenience of this technology. One of them is the response time of the product, which is much higher than expected for these models. The same goes for the angle of view, which after 45 degrees begins to degrade the image. So, except for some second-line gaming models, this technology is mainly used for conventional monitors, with a special orientation to graphic design.
If we talk about IPS panels if it is possible that you already know them more, since they are one of the most used equipments in the market by brands such as LG. All this despite being a fairly modern product. As much as to be the last to arrive from the four we have chosen.
This IPS technology is a kind of version 2.0 of the VA panel just mentioned, having some advantages over this. Specifically, the IPS panel reduces the response time of the monitor to approximately 4 milliseconds, which is not an instant response like that of TN-based monitors if it is a considerable improvement at this time.
These advantages also affect the viewing angle of the panel, which extends to a perfect view from almost any angle. And we cannot forget about the improvements in color and brightness that these IPS panels have so that the brightness generated in the image does not usually affect it, achieving in parallel a high representation of the color with respect to reality, which It is much appreciated by users who love photography.
However, there are also drawbacks in these products. One of them has to do with contrast, which is poorer than in other panels we are talking about. The other problem, which can be serious, has to do with light leaks from the monitor, which may appear as we use the device.
The last type of panels we are going to talk about are OLED panels. A revolutionary technology that changes the way they are manufactured and show the best results of the moment, in terms of performance. So much so that these panels have a response time of just 1 millisecond and an image quality level so high as to reach 100% of the spectrum of visible colors, compared to 97 or 98% of the most advanced products.
Another advantage of these panels is that they do not need the conventional backlight of conventional LED screens, so that everything that has to do with image loss, purity of black and brightness disappears. Not forgetting the lower consumption of these devices and the wide versatility of their manufacture. It is done by printing systems similar to those used by inkjet printers so that the process can be adjusted to any size and at a lower cost.
However, the cost is still high, as the technology is in its early stages, so that the price of an OLED panel remains very high. Something to which we must add the problems of durability of this type of panels, especially in products such as monitors, in which it is common to use still images on all or a good part of the screen. However, both aspects can surely be improved with the advancement of the manufacturing technology of this type of panels.