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On 2D displays, such as computer monitors and TVs, display size or viewable image size (VIS) refers to the physical size of the area where pictures and videos are displayed. The size of a screen is usually described by the length of its diagonal , which is the distance between opposite corners, typically measured in inches.
48: ×: 32 3∶2: 3∶2: 1∶1 ... Ultra-Wide 5K:21:9 aspect ratio TVs 5120: ... (aspect ratio of pixel dimensions), DAR (aspect ratio of displayed image dimensions ...
Find the optimal distance for a given screen. Example: for a 4K UHD screen 140 cm high (112 inches diagonal), the optimal distance is 140 × 1.6 = 224 cm. Find the right screen size. Example: for a 1080 HDTV used at a distance of 250 cm, you need to find a screen whose height is close to 250 / 3.2 = 78 cm (63 inches diagonally).
[citation needed] Also the size recommended for "medium" quality MMS videos. [citation needed] 144p 144p 192×144 27,648 4:3 The resolution 192×144 is used when 144p is selected on a fullscreen YouTube video. [citation needed] YouTube 144p 144p 256×144 36,864 16:9 One tenth of 1440p. The lowest resolution on YouTube since 2013. [10] QnHD 180p ...
1080p progressive scan HDTV, which uses a 16:9 ratio. Some commentators also use display resolution to indicate a range of input formats that the display's input electronics will accept and often include formats greater than the screen's native grid size even though they have to be down-scaled to match the screen's parameters (e.g. accepting a 1920 × 1080 input on a display with a native 1366 ...
In October 2011 Toshiba announced the REGZA 55x3, [48] which is claimed to be the first 4K glasses-free 3D TV. DisplayPort supports 3840 × 2160 at 30 Hz in version 1.1 and added support for up to 75 Hz in version 1.2 (2009) and 120 Hz in version 1.3 (2014), [ 49 ] while HDMI added support for 3840 × 2160 at 30 Hz in version 1.4 (2009) [ 50 ...