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To be scientific about it, imagine 100 real world users. They are not necessarily familiar with computers. They have many diverse talents, but some of them distinctly do not have talents in the computer area. Some of them are being distracted while they try to use your program. The phone is ringing. The baby is crying.
LCDs do not produce light by themselves, so they need illumination (ambient light or a special light source) to produce a visible image. Backlights are often used in smartphones, computer monitors, and LCD televisions. They are used in small displays to increase readability in low light conditions such as in wristwatches. [1]
A liquid-crystal display (LCD) is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals combined with polarizers to display information. Liquid crystals do not emit light directly [1] but instead use a backlight or reflector to produce images in color or monochrome. [2]
The purpose of bias lighting is to reduce the perceived brightness of the display as a result of the contrast with the slightly illuminated area around it. [1] This reduces the eye strain and fatigue that occurs when viewing a bright display against a very dark background for an extended time, [1] and increases the perceived blackness, perceived highlights, and overall contrast of the display.
This section may not always be present: for example it is turned off by default in Windows XP and Windows 7. The Windows shell places a taskbar button on the taskbar whenever an application creates an unowned window: that is, a window that does not have a parent and that is created according to normal Windows user interface guidelines.
TV, computer monitor: Yes Aperture grille CRT: Cylindrical curve or flat 43 [2] 109 TV, computer monitor: Yes Monochrome CRT: Spherical curve or flat 30 [3] 76 TV, computer monitor, radar display, oscilloscope: Yes Direct view Charactron CRT: Spherical curve 24 61 Computer monitor, radar display: No CRT self-contained rear-projection Flat ...
The 2011 UEFA Champions League Final match between Manchester United and Barcelona was broadcast live in 3D format in Gothenburg (Sweden), on an EKTA screen. It had a refresh rate of 100 Hz, a diagonal of 7.11 m (23 ft 3.92 in) and a display area of 6.192×3.483 m, and was listed in the Guinness Book of Records as the largest LED 3D TV.
A monitor mount placed at the appropriate height, distance and angle can help “prevent possible health effects such as excessive fatigue, eye strain, and neck and back pain.” [2] Monitor mounts are especially important for anyone using a standing or walking desk because of the dynamic height and stability requirements for those applications.