What Is LED Technology In TVs.


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LED Technology…

LEDs (light emitting diodes) have been around for decades, but their introduction into HDTV design and availability on the high street is a fairly recent development.

LED televisions are basically LCD TVs with one crucial difference – the handful of traditional backlight lamps that illuminate the screen have been replaced by hundreds of smaller LEDs.

To give an LED TV it’s full name is more of a mouthful – LED backlit LCD. LED TVs still employ standard LCD TV technology; Light from behind the screen is shone through the television screen’s matrix of tiny coloured liquid crystal cells.

Signals control each cell, letting varying amounts of colour through, and a picture is built up.

What makes LED TVs better than traditional LCD TVs?

LED Technology
The advantages include:

Superior picture quality

LED TVs will produce deeper blacks due to “local dimming” technology. In comparison, LCD TVs produce a lower picture quality, especially when projecting dark backgrounds.

The Cold Cathode Fluorescent Lamp (CCFL), which is located behind the screen, does not actually remain cool. Instead of using all of its energy to produce light, it wastes energy in the form of heat. Further, since the CCFL current flow must be kept at a high level to preserve its lifespan, LCD screens cannot be easily dimmed.

This is one of the reasons why LED TVs can operate more efficiently while providing a more precise image quality

Slim design.

LED TVs have an ultra-thin design because of the LED backlight technology. This design makes it easy to mount your LED television on the wall to save space.

Power efficiency.

LED TVs use less power than plasma and traditional LCD TVs. In fact, Samsungstates that their TVs use 40% less power than a conventional TV. Switching to a LED TV will save you money on your monthly electrical bill and waste less energy on producing heat.


LED TVs are considered to be more environmentally friendly than fluorescent tubes because LED bulbs are mercury and lead free. LED TVs can also operate for longer hours (15 times longer than ordinary bulbs).

The overall lifespan is much longer than your average TV.

Given that it is still relatively new and that it is a superior technology, LED TVs are a little more expensive than plasma and LCD TVs. Samsung, a leader in the TV industry, has a wide range of LED TVs that range from $600 – $2,200 depending on the size.

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