IPS, PVA, MVA, TN, the first three are new panels, which are characterized by good color (8bit), large visual area (double 178 degrees), but slow response speed. TN LCD panel type is a traditional LCD panel commonly used in screen monitor. It is characterized by economy and fast response speed, but its color (6bit) and visual area are not as good as the above-mentioned new panel. The first three types of large-screen televisions are used.
Comparison of LCD panels of all specifications on the market. A good display panel is determined by comprehensive factors such as resolution, contrast, response time, visual angle and brightness. The higher the resolution, the more realistic the picture is; The smaller the response time value is, the faster the opening speed is; The contrast determines the visual effect the picture gives to the viewer; While the larger the visual angle is, the smaller the visual field is.
TN is the most common one, which is used for general displays. Colors can only be said to be enough for home use. The price is cheap and the market share is extremely high. However, this kind of panel is the earliest display panel, now it has been phased out.
TN panel features
TN panel, full name Twisted Nematic panel. TN has become the most widely used entry-level liquid crystal panel due to its low production cost. TN panel is characterized by fast deflection speed of liquid crystal molecules, so it is easy to improve the response time. However, its color performance is worse. TN panel belongs to soft screen, and similar water pattern will appear when you gently draw it with your hand. Due to the lack of visual angle, this type of panel display is gradually exiting the mainstream market.
TN panel liquid crystal molecular pixel structure (maximum brightness)
In the figure, when the brightness is the highest, the liquid crystal molecular pixel structure of the ordinary TN panel can be seen that the lower end of each RGB sub-pixel is not completely perpendicular to the side, but has a certain angle, however, the sub-pixel itself is very “complete”. When the brightness of TN panel decreases, its overall brightness will also decrease, but each sub-pixel is still complete.
TN panel Advantages:
The advantages of TN panel are that the output gray scale series is less, the deflection speed of liquid crystal molecules is fast, and the response time is easy to improve. The advantages of TN liquid crystal panel for game players are fast response speed and low radiation level, more importantly, eyes are not easy to produce fatigue, so it is suitable for game players.
TN panel Disadvantages:
The disadvantage of TN panel is that as a native 6Bit panel, TN panel can only display 64 colors of red, green and blue, and the maximum actual color is only 262.144, the wide-view LCD panel has native 8-bit color, so the transition is better. In addition, it is difficult to improve the contrast of TN panel, so the TN color is relatively pale, not bright enough, and the visual angle is relatively small. If it deviates from the center, there will be obvious color deviation and brightness difference.
It is suggested that except for long-term gamers, it is better not to choose TN screen. After all, the color and visual angle are much worse, which is not suitable for working and watching movies.
PVA is a general term of Samsung panel. Compared with TN, the parameter of color saturation is improved. It is warm and has a larger visual angle. It can be divided into low-end C- PVA and high-end S-PVA.
The price of C- PVA and E-IPS products is generally not more than 1500. If this kind of display is IPS or PVA, it means low-end liquid crystal panel. Its advantage is that the visual angle is larger and the overall color is slightly better, others are not much better than TN. However, the high-end ones are different. The overall effect is much better than TN. Of course, it is not a problem to buy 2-3 TN monitors at a price.
S-PVA panel liquid crystal molecular pixel structure (high brightness)
Compared with TN panel, there is “dividing line” in the middle of each sub-pixel of S-PVA liquid crystal panel, and these dividing lines appear in a symmetrical way.
S-PVA panel liquid crystal molecular pixel structure (low brightness)
When the brightness decreases, the middle of the Pixel will be dimmed or even closed first, while only the two ends will glow, which is also the unique feature of PVA panel.
IPS is a general term of LG panel. There are three types, E-IPS, S-IPS and H-IPS. At present, there are basically no S-IPS. Low-end E-IPS and high-end H-IPS. The overall tone is cold and the response speed is fast, hard screen, suitable is to play games.
IPS panel features
IPS is an abbreviation of In-Plane Switching, which means Plane Switching screen technology, commonly known as “Super”
TFT “, currently widely used in LCD display and mobile phone screens and other display panels. Generally speaking, IPS screen is a screen using IPS technology. Compared with ordinary display screen, IPS screen has clearer and more exquisite dynamic display effect and more outstanding visual effect, therefore, when we choose LCD display or smartphone screen, IPS screen will perform better. Because of this, ordinary IPS screen LCD or smart phones will become a major selling point frequently mentioned by merchants.
Low-priced IPS panel liquid crystal molecular pixel structure
Take Dell U2311H LCD as an example, it uses IPS panel with low price. Because Dell U2311H uses reflective coating, the figure is not very clear. However, we can see that similar to the PVA panel, the two halves of each sub-pixel are slightly segmented diagonals, but the difference is that when the screen brightness decreases, the brightness of the refracted light of the whole molecule will decrease, instead of the phenomenon that the middle becomes dark and the brightness of both ends is basically unchanged like PVA panel.
IPS panel Advantages:
Large visual angle: the viewing angle of IPS screen panel can reach 178 degrees, and the color change degree generated when viewing from the front and different angles becomes the color distortion rate, the obtained value can hardly be distinguished by naked eyes. It means that the effect of viewing the picture from the front or the side is the same.
True color: this is also a comprehensive display of the characteristics of IPS screen color pillow. IPS screen features such as color flip and brightness conversion, allowing you to see high quality images with bright colors and saturated nature no matter from which angle you appreciate them.
Excellent dynamic Image quality: the dynamic high-definition images that can appear on the IPS screen are especially suitable for the reproduction of moving images without residual images and tails. They are used to watch digital high-definition videos and fast moving images, such as competitions, competition game box action movie is a good carrier.
Energy saving and environmental protection: IPS screen technology is more energy saving and environmental protection. And because the liquid crystal molecules are arranged more reasonably, the thickness of the liquid crystal layer is reduced, thus changing the light transmittance of the liquid crystal screen, improving the display effect, and making the liquid crystal display panel thinner, more energy-saving.
Accurate Color: IPS screen technology is favored by professionals to meet the demanding color requirements of professionals in design, printing, aerospace and other industries.
IPS panel Disadvantages:
As IPS screen adopts horizontal liquid crystal molecular arrangement, it increases the visual angle while reducing the penetration of light. In order to better display the bright color, it is necessary to increase the luminous degree of backlight, therefore, the phenomenon of light leakage is very common in IPS screens. With the increase of the screen, the problem of large-area edge light leakage has always been criticized by IPS. The method of improving backlight because IPS screen cannot improve penetrability also makes it lose its competitive advantage of high contrast.
MVA is a technology of Japanese panel. Its advantage over PVA is that black is darker and the contrast ratio increases. Just imagine Sharp LCD panel. Of course, it has nothing to do with sharp. This kind of panel is rarely seen, the price is not cheap either.
Depending on personal needs, if you have high requirements, buy high-end ones, and household E-IPS is enough. We look at the differences between TN, IPS, C- PVA, PLS, and the liquid crystal matrix pixels of IPS panels at low prices.