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For the majority of images it will consume 60–80% of the power of an LCD. OLED displays use 40% of the power of an LCD displaying an image that is primarily black as they lack the need for a backlight , [ 40 ] while OLED can use more than three times as much power to display a mostly white image compared to an LCD.
Film and television companies use this rate in 50 Hz regions for direct compatibility with television field and frame rates. Conversion for 60 Hz countries is enabled by doing 2:2:3:2:3 pulldown. [5] This is similar to 2:3 pulldown, and the result looks identical to a typical film transfer. While 25p captures half the temporal resolution or ...
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Systems using 50 Hz support three scanning rates: 50i, 25p and 50p, while 60 Hz systems support a much wider set of frame rates: 59.94i, 60i, 23.976p, 24p, 29.97p, 30p, 59.94p and 60p. In the days of standard-definition television, the fractional rates were often rounded up to whole numbers, e.g. 23.976p was often called 24p, or 59.94i was ...
In the case of filmed material, as 120 is an even multiple of 24, it is possible to present a 24 fps sequence without judder on a well-designed 120 Hz display (i.e., so-called 5-5 pulldown). If the 120 Hz rate is produced by frame-doubling a 60 fps 3:2 pulldown signal, the uneven motion could still be visible (i.e., so-called 6-4 pulldown).
Later 60 Hz monitors could accept 1080p24 content but employed a 3:2 pulldown to display 24p content, creating judder. Many monitors now support signal processing at 120 Hz or higher, allowing 24p content to be displayed without judder by showing each frame for a fixed number of refresh cycles.
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