The idea behind HD TV is that it shows an image that is much more lifelike than your standard television. The incredible picture clarity is particularly impressive, as Sky have shown, when it comes to sport and – perhaps surprisingly – nature programmes. Yet, even with the most advanced HD displays, our televisions are still showing us only a fraction of what we could see.
The human eye is an amazing optical tool, and can see in the region of 16,700,000 different colours (with obvious individual variations). Most HD TVs on the market – that is to say LCD HD TVs – can show us around 5,500,000, which is a pretty impressive effort. A new technology, however, promises to double that amount and show us 80% of the colours that the human eye can see.
The new technology – although it has been around for a little while in practice – is called Laser TV. It uses incredibly advanced laser technology which detects and controls light better than anything we’ve invented before. Using the three different laser wavelengths – red, green and blue – it can mix almost any colour you can think of.
The advantages don’t stop there. Laser TVs are lighter than their LCD counterparts, use drastically less power – which is ever more important in today’s world of high energy prices – and perhaps most impressively of all, they shouldn’t ever wear out.
With the range of colours available to a Laser TV, the images are absolutely stunning, and represent the next step forward for HD. Just as you can clearly see the difference between standard television and HD (even though before HD came along you thought your picture was just fine), so too you can see the difference between HD and Laser. It really is remarkable.
However, as with all new technology, the Laser television comes at a considerable price: even cheaper models are well above £1,000, and it could take a long time for those prices to come down to more competitive levels. Nonetheless, it’s proof that the people behind HD television are working hard to find us a truly perfect image.
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