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First of all, the choice of screen size is closely related to the viewing distance. Before choosing a TV, be sure to know where the TV is placed, how much space the entire room is placed in, how much is the viewing distance, and then consider the TV. The size of the problem.
So, how do you measure TV size and viewing distance? According to experience, when watching high-definition signals, the TV's best viewing distance is 3 times the height of the screen. From this calculation, the best viewing distance for each size TV is approximately the following: 
From the above figure, we can see that the current mainstream TV size is generally between 40 and 60 baht. If the viewing distance in your living room is 2.5 meters, a 40-inch screen will be more suitable; if the viewing distance reaches 3 meters or more, then 50 Your screen will provide better viewing experience. Of course, if your home is like the Sicong family can put 100-inch "Dafa" television, you can ignore these casual purchases.
When you see this, do you suddenly feel that the TV in your home is a little small? In fact, in the CRT era, due to the huge radiation of the picture tube, the severe strobe, and the large amount of static electricity generated in front of the screen, in order to protect the eyes from irritation, It is generally recommended to keep the viewing distance at least 2-3 meters.
Currently, LCD TVs have almost no radiation, and there are no flashing problems. At the same time, when Full HD and even 4K signals are available, the “full screen†perspective can guarantee a clear enough picture, including the concept of the popular curved TV. Once it is too far from the screen, it will not only have no wraparound effect, but also Affects the viewing experience. Therefore, you do not have to worry about the lack of living room area. The general living room is not a problem with the 60-inch TV. There is no need to sacrifice the viewing experience. After all, it is cool to see that a TV can really achieve entertainment.
Smart TV/box information can focus on smart TV information network sofa butler (http://), China's influential TV box and smart TV website, providing information, communication, TV boxes, smart TVs, smart TV software, etc. Answering questions.
Buy big or buy small? How far the TV is going to be healthy
Although more and more consumers have purchased large-screen TVs, many people still do not know the best viewing distance of these large-screen TVs; for users, a reasonable viewing distance can not only better enjoy TV viewing. , get the best viewing experience, but also can effectively protect eyesight and relieve visual fatigue. So, what is the best viewing distance for a big-screen TV? What size TV set is suitable for your family? Xiaobian said today to you.