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An LED-backlit LCD is a liquid-crystal display that uses LEDs for backlighting instead of traditional cold cathode fluorescent (CCFL) backlighting. [1] LED-backlit displays use the same TFT LCD (thin-film-transistor liquid-crystal display) technologies as CCFL-backlit LCDs, but offer a variety of advantages over them. Televisions that use a ...
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. [41] Environmental influences
Reducing the time an LCD pixel is lit can be accomplished via turning off the backlight for part of a refresh. [4] This reduces motion blur due to eye tracking by decreasing the time the backlight is on. In addition, strobed backlights can also be combined with motion interpolation to reduce eye-tracking-based motion blur.
Best Budget LCD-LED: TCL S4. ... mini-LED backlights are 40 times smaller than standard backlighting LCD-LEDs. As a result, manufacturers can pack more mini-LED backlights behind the LCD panel ...
LCD with LED matrix backlight. LED backlighting in color screens comes in two varieties: white LED backlights and RGB LED backlights. [10] White LEDs are used most often in notebook computers and desktop screens, and make up virtually all mobile LCD screens. A white LED is typically a blue LED with broad spectrum yellow phosphor to result in ...
Major technologies are CRT, LCD and its derivatives (Quantum dot display, LED backlit LCD, WLCD, OLCD), Plasma, and OLED and its derivatives (Transparent OLED, PMOLED, AMOLED). An emerging technology is Micro LED. Cancelled and now obsolete technologies are SED and FED.
The combination of such reflective polarizers, and LED dynamic backlight control [89] make today's LCD televisions far more efficient than the CRT-based sets, leading to a worldwide energy saving of 600 TWh (2017), equal to 10% of the electricity consumption of all households worldwide or equal to 2 times the energy production of all solar ...
More of a concern is the LCD backlight. Earlier LCDs used fluorescent lamps which flickered at 100–120 Hz; newer fluorescently backlit LCDs use an electronic ballast that flickers at 25–60 kHz which is far outside the human perceptible range, and LED backlights have no inherent need to flicker at all.
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