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The 4K TV in your house may be fake! Real 4K has to fulfil these 4 conditions!

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2020-03-09 09:52

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The 4K TV in your house may be fake! Real 4K has to fulfil these 4 conditions!
The 4K TV in your house may be fake! Real 4K has to fulfil these 4 conditions!

With the advancement of science and technology, many electrical appliances have also undergone earth-shaking changes. Just like the TVs with high resolution have sprung up in recent years, 8K TVs have become the mainstream, but the price is high, and there are many TVs on the market. The most popular is 4K. The prices of 4K ultra-thin TVs seen in the market are not only different in price, but it also seems obvious why the users are all 4K, and other people’s TVs are much more HD than mine?

In fact, the reason is very simple. 4K TVs are divided into true 4K and pseudo 4K, but sellers don’t care about you so much, they will call them 4K, so what is true 4K?

1. Whether it is a high-resolution screen

For 4K ultra-thin TVs equipped with professional high-resolution screens, the resolution reaches 3840×2160, and the value of pseudo 4K is close to this value but has not reached it.

2. Whether there is a 4K decoding chip

True 4K ultra-thin TV has a professional 4K decoding chip. Because users want to watch real 4K video, it is necessary to ensure the 4K quality of the video source, transmission and display process. The requirements for the processor are different, and fake 4K is not enough.

3. HDR High Dynamic Contrast Ratio

One of the criteria used to measure true 4K is to determine whether HDR has High Dynamic Contrast Ratio, a feature that improves clarity, displays screens more vividly, and is richer in color gamut or screen detail, but fake 4K does not.

4. Mobile phone camera authentication

The last method is very simple and crude. The 4K ultra-thin TV adopts RGB mode. Just turn on the mobile phone camera and take a photo close to the TV screen. After zooming in on the photo, the three colors of red, green and blue will appear. This is RGB, showing that this is a real 4K screen. , red, green and blue colors, which means that this is RGBW, and it also means that what we bought is a fake 4K TV!

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4K TV has become popular? Meet these five criteria to be a real 4K TV

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