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How to tell a real 4K Slim TV from a fake 4K TV?

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2020-09-24 15:20

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How to tell a real 4K Slim TV from a fake 4K TV?
How to tell a real 4K Slim TV from a fake 4K TV?

Some TVs in my memory have a big cover, some are fat, and it has nothing to do with thinness. Today's TVs are getting thinner and thinner, and there seems to be no market if they are not thin. Relevant statistics show that ultra-thin TVs have become one of the primary considerations for users when choosing TVs: as the living space of modern people becomes smaller and smaller, only 4K ultra-thin TVs that do not take up space have the opportunity to become the living room . main character.

4K ultra-thin TV is a TV product with a physical screen resolution of 3840×2160 pixels. It can receive, decode, and display video signals of corresponding resolution. The resolution is four times that of 2K TV, and viewers can see every detail in the picture clearly , every close-up has an immersive viewing experience, so how to distinguish between a real 4K ultra-thin TV and a fake 4K TV when buying a TV?

The pixels on the high-definition TV screen panel are arranged in sequence by the three primary colors of red, green and blue (RGB). This is a true 4K panel. Pixels composed of red, green, blue and white (RGBW) are arranged in sequence to form a fake 4K panel.

The real 4K ultra-thin TV panel has only red, green and blue pixels, and the effective pixels are 8.2 million; the fake 4K TV panel has red, green, blue and white pixels, and the effective pixels are 6.15 million.

The purpose of adding white sub-pixels in RGBW is to improve the effective use of energy by LCD. However, the sub-pixel W of RGBW cannot be used as a color pixel, but can only be used as a brightness channel pixel. In this way, it will not help to improve the picture accuracy. On the contrary It will also affect the picture accuracy.

Why use fake 4K ultra-thin TV panels? Because the cost of fake 4K is low, so the cost of TV is low, and it seems that the cost performance is high. Therefore, you must ask the customer service when purchasing, and carefully distinguish whether you are buying real 4K.

 

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