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Early 1440p computer displays became commonly available in 2010. Dell's UltraSharp U2711 monitor was released in 2010 as WQHD, with a 1440p widescreen. [1] The 27-inch Apple LED Cinema Display released in 2010 also had a native resolution of 2560 × 1440, as did the Apple Thunderbolt Display which was sold from July 2011 to June 2016.
This chart shows the most common display resolutions, with the color of each resolution type indicating the display ratio (e.g., red indicates a 4:3 ratio).
QHD (Quad HD) or 1440p is a display resolution of 2560 × 1440 pixels. [ 14 ] [ 15 ] The name "QHD" reflects the fact that it has four times as many pixels as HD (720p). It is also sometimes called "WQHD" [ 16 ] [ 17 ] to distinguish it from qHD ( 960 × 540 ), otherwise it is technically redundant since the HD resolutions are all widescreen ...
Most "K" resolutions are the result of multiplying a base width of either 960 or 1024 pixels by a simple, often integer factor and then may come in a variets of heights and aspect ratios. In some other cases, the "K" resolution applies a desired aspect ratio like "21:9" to a multiple of a base height of either 720 or 1080 lines.
In May 2007, the T61 and T61p laptops slowly phased out IBM logos in favor of the ThinkPad logo. [17] It also was the first T series model to adopt widescreen resolution as a mainstream option; the traditional 4:3 aspect ratio screens was also offered as an alternative at the time but mass industry adoption of the widescreen standard meant that ...
In May 2007, the NHK did an indoor demonstration at the NHK Open House in which a UHDTV signal (7680 × 4320 at 60 fps) was compressed to a 250 Mbit/s MPEG2 stream. [36] The signal was input to a 300 MHz wide band modulator and broadcast using a 500 MHz QPSK modulation. [ 36 ]
As of 2014, it is the standard for mid-range to high-end smartphones and many of the flagship devices of 2014 used even higher resolutions, either Quad HD (1440p) or Ultra HD (2160p) resolutions. Internet content
2K resolution is a generic term for display devices or content having a horizontal resolution of approximately 2,000 pixels. [1] In the movie projection industry, Digital Cinema Initiatives is the dominant standard for 2K output and defines a 2K format with a resolution of 2048 × 1080.