Arts and Entertainment – Guide Source

LED TV’s are the latest in cutting edge technology to hit the television market, providing a real step-up in the evolution of televisions and a fantastic range of features that will really strike a chord with consumers.

LED backlights are now used in a range of displays, including billboards, monitors, industrial equipment and portable devices. Their low power consumption is particularly suited to battery powered displays, allowing significantly longer usage from one charge.

The real difference between an LED display and an LCD is the way that the display is lit. LCD televisions use cold cathode fluorescent lamps (CCFL) as their light source, whereas LED’s use hundreds of light emitting diodes, which despite their vast number, are much more power efficient and more capable at delivering consistent light throughout the display.

But just because they’re more power efficient doesn’t mean they’re dull – quite the opposite. LED’s tend to be brighter and many come equipped with non-reflective screens, meaning they’re better suited in brightly lit rooms that are subject to direct sunlight.

The most obvious advantage of an LED panel is the size – they’re considerably thinner and much lighter, making them easier to wall mount and more attractive as wall features as they don’t protrude from the wall as far.

The thinness of LED’s is due to the way that the bulbs are placed around the television. The bulbs can be placed behind the screen (called backlit displays) or around the edge (called edge-lit displays). Edge-lit displays tend to be thinner and because they have fewer diodes, less expensive. However, backlit displays are more capable at showing deep blacks as they use a technique called ‘local dimming’; where bulbs are switched off in dark areas, preventing unwanted light filtering through the panel.

LED panels also show a great range of colors as the lights vary in the three primary colors, red, green and blue. This makes for deeper and richer color combinations, a wider colour spectrum and a better contrast ratio.

LED light bulbs are particularly robust and have a very long lifespan, quoted at over 50,000 hours without degradation – that’s 5 years of constant watching! They also have a smaller impact on the environment in their production as they don’t contain mercury, making them easier to recycle and dispose of.

The one area that LED’s do suffer is the viewing area, with many losing colour and black levels at extreme viewing angles beyond 30 degrees. However, this is an issue being looked into by the manufacturers and some early solutions are in-plane switching panels, so keep an eye out for those.

As with any consumer product, there are pros and cons that will need to be weighed up by you, the consumer. However, LED does have some distinct advantages over the competition and for those they should be seriously considered. Of course these advantages tend to come at a price, but as more consumers jump on the bandwagon prices will fall, and it will only be a matter of time before they drop into your price range.

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