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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]
Lenovo later started to include backlit keyboards, and some models included both the ThinkLight and a backlit keyboard. For those models, the Fn-Space shortcut is also used in conjunction to control a backlit keyboard (if the laptop has it). The on-screen display of ThinkPad computers will display a light on and a light off indicator.
The transmittance of a pixel of an LCD panel typically does not change linearly with the applied voltage, [14] and the sRGB standard for computer monitors requires a specific nonlinear dependence of the amount of emitted light as a function of the RGB value.
Burn-in on a monitor, when severe as in this "please wait" message, is visible even when the monitor is switched off. Screen burn-in, image burn-in, ghost image, or shadow image, is a permanent discoloration of areas on an electronic visual display such as a cathode-ray tube (CRT) in an older computer monitor or television set. It is caused by ...
An LCD with LED-Backlight may be edge- or direct-lit: [9] edge-lit (ELED): LEDs form a line around the rim of the screen. May additionally support: frame dimming: adjusts the brightness of the entire backlight based on the content displayed, as if local dimming was supported but only with a single zone
Chromebook tablet, introduced in March 2018 by Acer, the Chromebook Tab 10. The device was to compete with the lower-priced Apple iPad tablet in the education market. [47] [48] Chromebox, an ultra small form-factor desktop PC first introduced by Samsung in May 2012. [49] Chromebase, an all-in-one desktop PC was introduced by LG Electronics in ...
This allows the user to control the strobe backlight on/off easily to reduced perceived motion blur; LG introduced a similar 'Motion 240' option on their 24GM77 gaming monitor; ULMB is a technique provided alongside Nvidia's G-Sync technology, and linked to the G-Sync monitor module. It is an alternative option to using G-Sync (and cannot be ...
If the game's controller produces additional feedback (rumble, the Wii Remote's speaker, etc.), then the display lag will cause this feedback to not accurately match up with the visuals on-screen, possibly causing extra disorientation (e.g. feeling the controller rumble a split second before a crash into a wall). TV viewers can be affected as well.