Understanding LED Television Technology

By Wayne Torres

It was not too long ago that we were arguing the case for and against LCD and plasma televisions. And though LCD TV eventually came out the victor, due to its superior all round function and practicality, its crown is now under threat. That this threat comes from its sibling the LED television, is all the more intriguing.

Cynics out there, (of which I am a fully paid up member of the club), will snort at such an announcement and claim it is nothing more than a money making exercise. And whilst this holds some water; the technology in an LED television is a step in the right direction, so should not be dismissed too readily.

Essentially, LED television, (light emitting diode), technology is no different to that already seen with their LCD televisions. It is simply another way of lighting the screen itself. Simply put, an LED television creates an image using back lighting, (or side lighting), from the diodes within the unit, as opposed to relying on liquid crystal displays to produce the same effect.

Sending light to the screen in this way allows for far greater control over the picture quality, definition and brightness. Each diode can be controlled independently, allowing for smoother flow through the image projected onto the screen. Deeper colors and blacks are the result, delivering a far truer picture that feels as if you are looking at something through the human eye.

Whilst the benefits are far reaching with LED television technology being able to produce better quality images with high brightness and contrast levels, the benefits do not stop here. This better quality image is produced using less power and creating less light and heat wastage. This of course also allows the lifespan to be much longer than even the most robust of LCD TV currently on the market.

The depth of the TVs is also thinner than what is presently available. Amazing as this may sound, it is quite true. The depth of LCD and plasmas are presently given in inches, an LED television will be measured in millimetres; with somewhere around 9 or 10 being the standard, though screens of just 6mm are available now.

Okay, this all sounds excellent but of course, it isn't all good news. Whilst no limitations exist to the operation of an LED television, there is a limitation regards affordability. It is really no different to the large prices that LCD and most particularly plasmas were tagged with though.

In summary then LED TVs are just a natural progression from LCDs. It gives us better pictures, less operating costs and space saving abilities. The prices are really the only issue presently.

But these prices will fall as demand picks up and we really recognize the benefits of LED television technology, (and as newer technologies come on line of course!) - 29872

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