synonym2K(Screen resolution level) generally refers to 2K resolution
2K resolution is a general term that refers to theHorizontal resolutionUp to about 2000 pixelsresolving powerGrade.
because16:9The proportion ofinternational standardSo the 2K resolution isVideo productionThe common format of display screen and other fields is 2560 × 1440 (16:9) (WQHD).
Chinese name
2K resolution
Foreign name
2K resolution
Application
Cinema screen, TV, Internet media, mobile phone screen
2K resolution is a general term, which means that the horizontal resolution of the screen or content reaches about 2048 pixels,Traditional filmThe 2K resolution is 2048 × 1080.
In 2005,Digital movieDigital Cinema Initiatives (DCI) defines the standard of DCI 2K resolution as 2048 × 1080.But the general term 2K is notDCICreated, 2K was used as a general term in the film industry before the release of the DCI standard.
According to the general definition of 2K resolution, all content with a horizontal resolution of about 2000 pixels belongs to 2K.In the film industry, films with a horizontal resolution of 1804 pixels are still discussed as 2K resolution.The horizontal resolution of 1080P is 1920 pixels, which meets the requirement of "the horizontal resolution reaches about 2000 pixels" of 2K resolution. Although 1080P and 2K are generally treated differently in photography, film and television production and other fields, it does not conflict with "the category of 1080P conforming to 2K resolution".
The horizontal resolution of the screen or content is about 2000 pixels, and the most standard 2K resolution is 2048 × 1024,Digital cinemaThe projector mainly adopts this resolution.
Common 2K resolution
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form
resolving power
Aspect ratio
pixel
16: 2K of 9
2560*1440
16:9
3,686,400
16: 2.5K of 10
2560*1600
16:10
4,096,000
16: 2.8K of 10
2880*1800
16:10
5,184,000
Compare with 1080P
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1080p (Full HD orFHD）The resolution of is 1920x1080. Although it has a horizontal resolution of nearly 2000 pixels, most media, includingWeb page productionAs well as image production, books and others all believe that 1080p and 2K resolutions are different rather than the same.
According to the official reference of DCI, DCI andRelated industries1080p is not regarded as 2K and4Kresolving power.
Although 1080p is not a standard 2K, because 1080p has a horizontal resolution of nearly 2000 pixels, 1080p can be classified as 2K instead of 1K.
2K display
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Some 2560x1440 displays on the market are also called 2K displays. Many high-end displaysmobile screenThis resolution is also being used.Other 2560 × 1600 (WQXGA), 2560 × 1440（Quad HD）Also called 2K.However, these statements are not accurate. Considering that the horizontal resolution of nearly 2000 pixels is called 2K, 2560x1440 should be called 2.5K, rather than 2K.
