Now the display panel is divided into three types: TN panel, IPS panel, VA panel.
Let me talk about the TN panel first, the cost of the TN panel is the cheapest. The TN panel is a soft screen, and a similar water pattern appears when you lightly swipe it with your hand. Due to the lack of viewing angle, it was supposed to be gradually eliminated by the market, but in recent years it is making a comeback with the rise of e-sports. why? Because this is related to its unique response time
Compared with IPS and VA panels, the deflection speed of liquid crystal molecules of TN panels is the fastest. Therefore, the response time of displays using TN panels is the shortest. This is its own unique advantage. Because of this advantage, TN panels have become The first choice for e-sports displays.
But in terms of color performance, it was a complete failure. The colors are generally whitish and the saturation is not enough, which is absolutely unacceptable for the Visual Party.
Because of the pursuit of visual colors, the demand has been reduced to IPS and VA. The VA panels can now be divided into MVA panels led by Fujitsu and PVA panels developed by Samsung.
The VA panel is also a soft screen, and the plum pattern appears when you swipe it with your hand. Because it is a soft screen, 99% of the common curved screens on the market use VA panels.
The advantages of VA panels are: high static contrast, rich colors, purer blacks, and no light leakage. But it is not absolutely perfect, there is a defect of long response time, which is the most unfriendly to the game party, especially the masses who like to play FPS games.
The IPS panel is a hard screen and will not be deformed when swiped by hand. IPS is relatively full in color display, and its response time is longer than TN screens and shorter than VA screens. So it is a good choice for users who are pursuing color and are also a light game party.
But the black display is not pure. You may find that the IPS display still glows at night when the lights are turned off, and the problem of light leakage is often accompanied.
The three types of panels are briefly introduced here. If you go deeper, you will be more knowledgeable.
Whether it is graphics or text audio light information, it is binary 0 and 1 in the calculator, so the color information is also stored using a string of 0 and 1, and the color depth will be divided into eight-bit color depth and ten-bit color depth (8bit and 10bit), eight-bit color depth means that eight digital bits are used to store 0 and 1 to represent R, G, and B, and the value range is 0 to 2 to the eighth power -1, that is, 0-255. The ten-digit color depth means using ten digits to store 0 and 1 to represent R, G, and B. The value range is 0-2 to the 10th power -1, that is, 0-1023. In the same color gamut, The greater the color depth, the more colors are stored and the more delicate the display colors. 8bit color depth is common on the market.
The color gamut is divided into sRGB, NTSC, and Adobe RGB color gamut. The different performance of the three is the different coverage of the color range, which is sorted according to the coverage range from large to small: Adobe>NTSC>sRGB.
Some display parameters indicate 72% NTSC color gamut, and some indicate 99% sRGB color gamut. In fact, the color range covered by these two parameters is basically the same. The most widely used standard on the market is the sRGB standard, which may be the reason for the cost, while Adobe RGB has the highest cost, so sRGB can be used for ordinary household displays.
Color difference indicates the degree of difference in displaying the same color. Even if it is the same color bit and the same color gamut, when the same color is displayed, the existence of the color difference will cause the same color to display different effects. The color difference depends on the Delta E parameter,
Delta E <2: Excellent
2 <Delta E <4: Acceptable
Delta E> 6: Not acceptable
Display manufacturers generally do not list this parameter in the parameter list. If listed, it must be Delta E <2 as a selling point, but at the same time the price is relatively high.
There are two types of contrast: static contrast and dynamic contrast. Manufacturers generally advertise their own dynamic contrast ratio, saying millions: 1. In fact, this is not the point. Dynamic contrast ratio indicates the contrast of the display under different brightness. The reference standard is brightness, such as the darkest screen and the brightest screen. In simple terms, the contrast between the two can be very dark when the screen brightness is the darkest, and very bright when the screen brightness is the brightest. The greater the dynamic contrast, the greater the brightness range of the two. Dynamic contrast affects the look and feel to a certain extent.
The static contrast is more important. The static contrast represents the contrast of different colors in the same picture in the display. The higher the static contrast, the easier it is to distinguish objects of different colors. If the static contrast is low, then the color distinction The lower the degree, the more difficult it is to distinguish different objects with similar colors, and the impact will be “eye-consuming”.
When selecting monitors, I found that many businesses only marked the dynamic contrast ratio, and the number was very large, several million:1, while the static contrast ratio was very few. After selecting many displays, most of the IPS panel displays 1000:1. Of course, the prices of the monitors I look at are close to the people. The high-end ones are said to be different, and even if the static contrast is high, the manufacturer will not mark it because it is a bright spot and a selling point.
Refresh Rate And Response Time
The refresh rate of the screen in the past and present is based on 60HZ, which means that the monitor displays 60 frames of animation in one second, then the display time of each frame of animation is 1000/60=17ms, which can also be said to be 17 milliseconds Is the response time of the display. The intuitive embodiment of the refresh rate is the smoothness of the picture. The larger the refresh rate, the more animation frames per second will be played, the smoother the picture look and feel, and the more demanding the response time of the display. . If the refresh rate is 144HZ, then the response time is approximately equal to 1000/144=7ms, and the maximum response time of the display should not exceed 7ms. If it exceeds 7ms, the screen will have a smear effect, which greatly affects the look and feel. So be sure to choose a monitor with a short response time. The response time is particularly important to game players, not only affecting the look and feel of the game screen, but also affecting the response speed of the display to the game screen. The refresh rate affects the smoothness of the game screen, so the refresh rate and response time greatly affect the game experience.
And it should be noted that: some manufacturers mark the minimum refresh rate in the product parameter response time column, rather than the average refresh rate, and they do not tell consumers, which is more cheating.
Manufacturers on the market now generally tout 2K resolution and 4K resolution, I think, the resolution depends on the size of the purchased display, and the size of the purchased display depends on the distance between the human eye and the display, if it is an ordinary office If the distance is relatively close, then I highly recommend the size of 23, then the corresponding resolution is the best 1080p, if the distance is relatively far, you can choose a larger size, such as 27 inches, the best resolution is 2K, 1080p In terms of 27 inches, I think the performance is not as good as 2K.