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Davies, Chris (1 September 2012). "Samsung Series 9 WQHD: Hands-on with Sammy's Retina retort". SlashGear . Retrieved 2013-06-02.
Starting with the ones digit of the bottom number, the multiplier, multiply it by the last digit in the top number Insert a decimal point in the product so it has the same number of decimal places equal to the total from step 1. All standard HD resolutions share a 16∶9 aspect ratio, although some derived resolutions with smaller or larger ratios also exist, e.g. 4∶3 and 64∶27, respectively. Most of the narrower resolutions are only used for storing, not for displaying videos, while the wider resolutions are often available as physical displays. Lenovo ThinkPad W550s Mobile Workstation with 3k (small "k"!) display ( 2880 × 1620) on www.lenovo.com
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HQVGA [ citation needed] (or Half-QVGA) [ citation needed] denotes a display screen resolution of 240 × 160 or 160 × 240 pixels, as seen on the Game Boy Advance. This resolution is half of QVGA, which is itself a quarter of VGA, which is 640 × 480 pixels. In the field of video, the resolution of 480i supports 640 samples per line (corresponding to 640x480) corresponding to Standard Definition ( SD), in contrast to high-definition (HD) resolutions like 1280 × 720 and 1920 × 1080.
In response to usability flaws of now common 16:9 displays in office/professional applications, [ citation needed] Microsoft and Huawei started to offer notebooks with a 3:2 aspect ratio. By 2021, Huawei also offers a monitor display offering this aspect ratio, targeted towards professional uses. Since QVGA is 320 pixels wide and 240 pixels high (aspect ratio of 4:3), the resolution of a WQVGA screen might be 360 × 240 (3:2 aspect ratio), 384 × 240 (16:10 aspect ratio), 400 × 240 (5:3 – such as the Nintendo 3DS screen), 426 × 240, 428 × 240 (≈16:9 ratio) or 432 × 240 (18:10 aspect ratio). As with WVGA, exact ratios of n:9 are difficult because of the way VGA controllers internally deal with pixels. For instance, when using graphical combinatorial operations on pixels, VGA controllers will use 1 bit per pixel. Since bits cannot be accessed individually but by chunks of 16 or an even higher power of 2, this limits the horizontal resolution to a 16-pixel granularity, i.e., the horizontal resolution must be divisible by 16. In the case of the 16:9 ratio, with 240 pixels high, the horizontal resolution should be 240 / 9 × 16 = 426. 6 (426 2⁄ 3), the closest multiple of 16 is 432. Santos, Alexis (20 August 2013). "LG Display claims a world's first with 2,560 × 1,440 LCD for smartphones". Engadget. AOL . Retrieved 2013-08-21. non-square pixels, Hitachi's ALiS Technology for Plasma TVs with horizontaly "streched" pixels, displayed on a 16:9(?) or 16:10(?) Plasma TVThis resolution has a 12:5 aspect ratio (2.4:1, or 21.6:9; commonly marketed as simply "21:9"). It is equivalent to WQXGA ( 2560 × 1600) extended in width by 50%, or 4K UHD ( 3840 × 2160) reduced in height by 26%. This resolution is commonly encountered in cinematic 4K content that has been cropped vertically to a widescreen 2.4:1 aspect ratio. The first monitor to support this resolution was the 37.5-inch LG 38UC99-W. Other vendors followed, with Dell U3818DW, HP Z38c, and Acer XR382CQK. This resolution is referred to as UW4K, WQHD+, [52] [89] UWQHD+, or QHD+, [90] [91] though no single name is agreed upon.
HDMI added support for 4096 × 2160 at 24 Hz in version 1.4 [108] and 60 Hz in version 2.0. [109] [117] 5120 × 2160 [ edit ]
The first commercial displays capable of this resolution include an 82-inch LCD TV revealed by Samsung in early 2008, [102] the Sony SRM-L560, a 56-inch LCD reference monitor announced in October 2009, [103] an 84-inch display demonstrated by LG in mid-2010, [104] and a 27.84-inch 158 PPI 4K IPS monitor for medical purposes launched by Innolux in November 2010. [105] In October 2011 Toshiba announced the REGZA 55x3, [106] which is claimed to be the first 4K glasses-free 3D TV. Kelion, Leo (1 March 2015). "Samsung S6 Edge with curved screen unveiled at MWC". BBC News . Retrieved 2015-03-01. Welch, Chris (15 May 2019). "The Motorola One Vision has a 21:9 screen and looks less like an iPhone clone". The Verge . Retrieved 14 June 2023.
Since a pixel must be a whole number, rounding up to 854 ensures inclusion of the entire image. 853 × 480 is the 16:9 equivalent for NTSC (480 lines) on a display with square pixels. Citations are needed that displays with this resolution exist. Examples of devices that use DVGA include the Meizu MX mobile phone and the Apple iPhone 4 and 4S with the iPod Touch 4, where the screen is called the "Retina Display". pixels with a 16- or 256-color (4 or 8 bit/px) palette, using a low frequency interlaced refresh rate. The perfect blend of stunning slim-line looks and industry leading manufacturing technology. The beautifully designed JT40® FUSION has an incredibly discreet profile of just 40mm and is manufactured from ABS capped acrylic stone resin. The tray is double skinned for extra strength. It can be fitted flat to floor or raised on legs with a riser kit. A JT40® 90mm rapid waste outlet complements the tray’s sleek lines and allows 36 litres of water to be carried away each minute. Available in an extensive range of shapes and sizes, to ensure a truly beautiful installation - Combining technology with design.
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HVGA ( Half-size VGA) screens have 480 × 320 pixels (3:2 aspect ratio), 480 × 360 pixels (4:3 aspect ratio), 480 × 272 (≈16:9 aspect ratio), or 640 × 240 pixels (8:3 aspect ratio). [ citation needed] The former is used by a variety of PDA devices, starting with the Sony CLIÉ PEG-NR70 in 2002, [10] and standalone PDAs by Palm. The latter was used by a variety of handheld PC devices. VGA resolution is 640 × 480. a b "Recommendation ITU-R BT.2020-2 — Parameter values for ultra-high definition television systems for production and international programme exchange" (PDF). International Telecommunication Union (ITU). October 2015 . Retrieved 2018-05-15.
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