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Some TVs use as much electricity as a refrigerator, one of the home's biggest energy hogs. Yet big-screen TVs come in energy-efficient models at prices comparable to the electricity-gobbling beasts.
Example: for a 1080 HDTV used at a distance of 250 cm, you need to find a screen whose height is close to 250 / 3.2 = 78 cm (63 inches diagonally). Find the right video resolution. Example: a 53 cm high screen (43 inches diagonal), located at a distance of 300 cm, does not need to show video with a resolution higher than HD 720.
Edge-LED lighting for LCDs allows thinner housing; the Sony BRAVIA KLV-40ZX1M is 1 cm thick, and others are also extremely thin. [citation needed] LED-backlit LCDs have longer life and better energy efficiency than plasma and CCFL LCD TVs. [35] Unlike CCFL backlights, LEDs do not use mercury in their manufacture, which is an environmental ...
50–200 cd/m 2 [1] 100–1500 cd/m 2 [9] often significantly varying based on average picture level [10] Color depth: Unlimited [11] 6- to 10-bit per subpixel panels; [12] smaller dot pitch, better detail [13] 6- to 8-bit per subpixel panels 8- to 10-bit per subpixel, with some HDR models capable of 12-bit per subpixel. [14] Response time
18 parallel CCFLs as backlight for a 42-inch (106 cm) LCD TV WLED array: The LCD panel is lit by a full array of white LEDs placed behind a diffuser behind the panel. LCDs that use this implementation will usually have the ability to dim or completely turn off the LEDs in the dark areas of the image being displayed, effectively increasing the ...
The large amount of energy that Sync Pulses use is largely independent of the measurement system and efficiency of the analogue TV transmitter (as most analogue transmitters have on average 75% efficiency). The transmission of FM audio (including Stereo subcarriers) is only overall the 3rd largest consumer of TV transmitter power.
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