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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 ...
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, [36] while OLED can use more than three times as much power to display a mostly white image compared to an LCD. [37] Environmental influences
TV: Yes DLP front-projection Flat (limited only by brightness) TV or presentation Yes LCoS self-contained rear-projection Flat 110 [13] 279 TV: Yes LCoS front-projection Flat (limited only by brightness) TV or presentation Yes Laser self-contained rear projection Flat lenticular: 75 [14] 191 TV: Yes LED: Flat 279.92 [15] 711 Billboards, TV: Yes ...
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.
LED backlight are often dynamically controlled using the video information [22] (dynamic backlight control or dynamic "local dimming" LED backlight, also marketed as HDR, high dynamic range television, invented by Philips researchers Douglas Stanton, Martinus Stroomer and Adrianus de Vaan [23] [24] [25]).
3. Keebler Fudge Magic Middles. Neither the chocolate fudge cream inside a shortbread cookie nor versions with peanut butter or chocolate chip crusts survived.