The higher the TV resolution, the better? Four tricks teach you to distinguish the real 4K TV.

Nowadays, HDTV has gradually become popular. This is not only because the product price has dropped from 1 10,000 yuan to about 5,000 yuan, but also related to the improvement of TV production technology and the continuous improvement of TV resolution. Now the resolution of TV products is getting higher and higher. The higher the resolution of the TV, the better the display effect will usually be. With the gradual entry of 4K TV into the TV market, the resolution of TV has also been raised to a new height. The resolution of the TV set is also a factor that we need to consider when buying a TV set. So how good is the resolution of the TV set? Is the higher the resolution of TV set, the better? Let's take a look at it now.

The resolution of an ordinary LCD TV is 1920X 1080, which means 1080p HDTV. In the field of home appliances, 4K refers to the pixel resolution of 3820×2 160, and the screen pixel can reach more than 8 million at most, and the resolution is four times that of 1080p HDTV, which belongs to the category of ultra-high-definition resolution. If you have a high demand for the resolution of the TV, you'd better make all the parameters clear before buying the TV.

Brief introduction of TV resolution

What is TV resolution? Resolution actually refers to the accuracy of screen image display, that is, how many pixels the display can display. Usually, points, lines and surfaces on the screen are all composed of pixels. The more pixels a display can display, the finer and clearer the picture will be, so that it can display more information in the same plane area. Therefore, resolution is an important performance index of TV.

There are many factors that affect TV resolution. The resolution is related to the size of the display screen, and is also affected by the point distance of the picture tube and the video broadband. The resolution of TV is related to the refresh frequency. If the current refresh frequency is within the "flicker-free refresh frequency", then the highest resolution that the display can achieve at this time can be regarded as the highest resolution of the display.

The resolution of an ordinary LCD TV is 1920X 1080, which means 1080p HDTV. In the field of home appliances, 4K refers to the pixel resolution of 3820×2 160, and the screen pixel can reach more than 8 million at most, and the resolution is four times that of 1080p HDTV, which belongs to the category of ultra-high-definition resolution.

Characteristics of TV resolution

Resolution determines the fineness of bitmap image details. Generally, the higher the resolution, the more pixels it contains, and the clearer the displayed image. High resolution is an important prerequisite to ensure the clarity of color display. The distance between points in the display is the basis of high resolution. There are usually several TV resolutions. A good TV screen usually has a resolution of 1600× 1280. High resolution not only means that a clear picture can be displayed, but also means that more content can be displayed in the same display area.

How good is the resolution of TV?

A long time ago, the resolution of plasma TV in the market was usually 852×480, while the resolution of plasma TV with higher price could reach 1024×768 or 1024× 1024. With the improvement of resolution, the image quality of plasma display has been effectively improved, but such a high resolution can only be achieved when receiving digital signals.

For LCD TV, resolution is an important parameter, and the best resolution of LCD TV is actually its maximum resolution, at which the best image can be displayed. The resolution of the TV is related to the size of the TV. If your TV set is too small, even if the resolution is high, it can't present the best picture quality, so it doesn't mean that the higher the resolution of each TV set, the better. How appropriate is the resolution of the TV set? The resolution that can make the TV display the best picture is the most suitable TV resolution.

Everyone should know that the resolution of 4K TV is the highest on the market now, but from the perspective of TV size, the screen size of 4K TV is usually relatively large, so it can show the best TV resolution. The resolution of a TV with a smaller screen size is generally lower than that of a TV with a larger screen size. If you look carefully, you can really find it.

Is the higher the resolution of TV set, the better?

First of all, the higher the resolution, the better.

As we all know, liquid crystal panels have physical resolution problems. In order to get perfect picture performance, we must have the same resolution as the physical resolution of the panel. If the output picture exceeds or does not reach the physical resolution, the quality of the picture we see will be greatly reduced.

At present, the physical resolution of mainstream LCD TV panels in the market mainly has two indexes: 1920× 1080, 1366×768. Both specifications can be called HD indicators, but the former is called full HD and the latter is called quasi-HD. In contrast, full HD has a higher resolution, so the picture performance will be more detailed. At present, the products that meet the requirements of full HD are mainly concentrated in products over 40 inches.

Second, the physical resolution is not equal to the display resolution.

As we said before, LCD panels always have physical resolution problems. The closer the display resolution is to this value, the better the display effect. However, at present, the signal quality of radio and television transmission is generally poor, and even the future digital TV is difficult to achieve such a high resolution effect. Although it is difficult to display these signals point-to-point on quasi-HD products, they are closer to the physical resolution, so the display effect will be slightly better.

3. TV resolution interface

In addition to watching TV, another major feature of LCD TV is to connect a computer to play high-definition movies. Will it be better to choose full HD products at this time? This question can be answered from two aspects. If enough full HD videos are stored on the user's computer.

First, let's look at the interface. In order to achieve full HD resolution, the common D-SUB interface is not enough, so it is undoubtedly the best choice to bring better digital output. In general, graphics cards will have DVI video digital output interfaces, but the digital input interfaces on LCD TVs have been monopolized by the emerging HDMI interfaces.

Four. Television resolution playback

In addition to interface problems, we will also encounter some problems when choosing full HD products. Because the resolution has reached 1920× 1080, it is undoubtedly a great test for graphics cards to get the best game effect at this resolution and get as close as possible to the physical resolution. Even the top G80 will be a bit difficult to work at such a high resolution.

In terms of movie playback, although the resolution of some movies is 1080i or 1080p, a movie is about 10G, so the amount of data is a big problem whether it is stored or transmitted. In addition, there are not many sources, so most of the films you are watching at present still belong to the category of low resolution. When a low-resolution movie is played on a full HD LCD TV, it will be stretched a lot, and the picture loss will be self-evident.