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The transition to high-density pixel displays that began with smartphones and tablets has spread to the computer monitors. 4K PC screens appeared in 2014, and understanding pixel density has become important when choosing a product, along with screen size and resolution. Our topic is the transition to high pixel density screens, including trends in the latest technology. There are two standards for 4K resolution, “DCI 4K” and “UHD 4K”.
DPI (dots per inch) is the number of dots located within a 1-inch scan or print line. For monitors and displays, DPI is discarded in favor of PPI (pixels per inch). Although PPI is an accurate term for monitors and other displays, the two terms are often used interchangeably.
The native resolution is written in a monitor's specifications. Deterioration in image quality is inevitable if anything other than the native resolution is used. It can be necessary, for example, to use two pixels to display data that should be shown with one dot. Naturally this leads to a loss of sharpness. Since such deterioration in image quality cannot be avoided, of course the best thing is to display an image at the "native resolution" for the LCD monitor.
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