The rapid development of smart TV products, continuous improvement and enhancement of the panel and resolution has become the focus of television products, 4K resolution technology has become the preferred standard for current smart TV products! With the development of smart TV products, 4K TVs have been flooded into the high, medium and low TV markets. However, do you really understand the common word "4K TV"? Xiao Bian brings the performance analysis of Ultra HD Smart TV products, and introduces the details of 4K resolution technology!
Super sofa butler approaching 4K resolution television technology analysis
What is 4K resolution
The first thing we need to clarify is that the 4K resolution does not specifically refer to a specific value. It refers to about 4000 pixels in the horizontal direction. There are slight differences depending on the application area.
4K resolution varies slightly by field
For example, we often say 4K movies, the film resolution 4096 × 2160, is determined by the imaging format of the 4K camera. In the field of television we are discussing, since the screen 16:9 has become mainstream, the 4K of the television screen refers to a physical resolution of 3840×2160, which is equivalent to 1920×1080 (1080P), which has been turned horizontally and vertically. Some time, it is still the standard 16:9 specification.
UHD TV Named
In addition, as the 4K resolution TV only appeared soon, the industry did not expressly unify its naming. It was only in the draft recommendation of TV specifications of the International Telecommunications Union (ITU) in May this year that the new 4K (3840×2160) and The 8K (7680×4320) specifications are summed up as ultra-high-definition televisions (referred to as UHDTVs). Therefore, 4K televisions are generally referred to as ultra-high definition televisions in the industry, and are distinguished from full HD and high definition.
4K Technology Analysis
As mentioned above, the 4K resolution is equivalent to doubling the vertical and horizontal directions of 1920×1080, which has reached the standard of 4×1080P. We can only see the difference from the pixel, 1366 × 768 high-definition television can display 1 million pixels, 1920 × 1080 is only about 2 million, 4K TV pixels reach more than 8 million, has been close to the mainstream digital camera 10 million pixels Standards have a very large increase in the fineness of image display.
4K resolution makes pixels of large-size TVs no longer noticeable
In addition, with the continuous expansion of television screens, the corresponding pixel pitches are also increasing. Pixels are more and more easily perceived by the human eye. This is because full-HDTVs are usually only between 42-55 inches, and it is difficult to go further. One of the reasons for the climb. The emergence of 4K TVs has doubled the panel size coverage. For example, the new 4K TVs released by LG, Konka and Skyworth have all reached 80 inches or more.
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