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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. It is also sometimes called the physical image size to distinguish it from the "logical image size," which describes a screen's display resolution and is measured in pixels. [1] [2]
The switch to digital projection came at a steep cost in image quality, with 2K projectors having roughly an order of magnitude less resolution than traditional IMAX film projectors. Maintaining the same 7-story screen size would only make this loss more noticeable, so many new theaters were instead built with significantly smaller screens.
X24 Video projectors Traditional BattleKart / Seiko Epson [31] [32] 24 Harmon Corner: Paradise, Nevada United States: 2012 1,706 18,360 93 by 18 306 by 60 7,360 × 1,440 pixels 10.60 12 mm pixel Pitch SMD (Surface Mount Diode) Traditional Prismview [33] [34] 25 Taipei Arena Sky Screen: Taipei Taiwan: 2006 1,693.8 18,232 105 by 16 344 by 53
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).
A projector's throw ratio is used when installing projectors to control the size of the projected display. [1] For example, if the throw ratio is 2:1 and the projector is fourteen feet away from the screen, then the display width will be seven feet.
Computer and handheld screens Designation Usage W (px) H Aspect ratio Total pixels Storage Display Pixel 0.26K1 Microvision: 16: ×: 16 1∶1: 1∶1: 1∶1: 256
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