4K TV
Are you asking about the benefits of LEDs and how they work? LEDs are the newest and the finest in the market nowadays. It surpassed the quality of plasma TVs and LCD TVs. This is the reason why many individuals are questioning the reliability and also the efficiency of this high definition television.

Lg TV
LED TVs are high definition televisions that use LEDs because the backlight of LCD panel. They are technically called as LED-backlit LCD TVs. LEDs are led lights that are electronic semiconductors plus they respond quickly when they are switched on and off. Electric current is needed for the Triggered radiate light. Because of this , why LED s give higher contrast than other hd televisions because the LEDs could be switched on and off independently giving a deep black and high brightness concurrently. This is called the local dimming that other televisions don't have. Before, local dimming is just available in backlit LED TVs wherein the LEDs are placed at the back of the panel. However when 2010 came, edge-lit televisions can now do local dimming too. So whether or not the television is backlit or edge-lit, high contrast ratio is assured.

The LEDs will also be smaller than the fluorescent panels used in LCD TVs so they will be more power efficient. They are also lighter than the previous panels making the televisions slimmer and lighter than other hd televisions. This makes this higher definition tv easier to hang on walls plus more stylish when it comes to the exterior.

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