Friday, March 1, 2019

How 4K works

The 4K technology is one of the most important and latest technologies used in displays, cameras, or animation films. The technology coincided with the rapid development of the world of technology, which is concerned with the world of photography and display, Recently, attention has been paid to its accuracy.

Properties are 4K technology
The 4K has a brightness of up to 3840 X 2160 pixels, giving it a four-degree higher resolution than HD.
Increasing the number of pixels within a screen (the smallest viewing unit in the screens) increases its density, which means more detail, more clarity, and more color-coded colors.
The most characteristic of this technique is that no matter how close the viewer of the display will not notice any reduction in the accuracy of the image, and is due to what we have previously mentioned is to increase the density of pixels inside the same.
It is not enough to have a 4K display screen for the highest accuracy possible, but it needs content that has been filmed or manufactured.
4K and ultra-clear technology
Ultra-clear technology or UHD is said to outperform the 4K in quality, having a clarity of up to 4096 x 2160, and is often used in filmmaking.

What is the next technology?

Some companies are working on upgrading these technologies to the highest possible levels. Currently, 8K display screens are being produced, with a more visible 7680 X 4320.

It is rumored that there are already some screens that work with this technology has been manufactured and worked.

Pixel density per inch

The following table shows the density of pixels per inch for different screen sizes of 4K and 8K.

4K pixel density with 8K pixel density

5 917.88 1835.76


21.5 204.92 409.84

24 185.58 367.15

32 137.68 275.36

46 95.78 191.56

55 80.11 160.21

65 67.78 135.56

84 52.54 104.9

110 40.5 80.11

145 30.38 30.77

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