Quantum Physics Are Powering The New 4K Sony TV

While Sony might currently be spoken about in TV circles for its blazing 4K sets, the future could hold something quite different. In fact, Sony's Next Big Thing—Triluminous displays—will be powered by quantum physics.

The new range of TVs will be the first consumer devices to make use of quantum dots: a previously lab-based semiconductor technology, which uses "tuned" nanocrystals so small—around 10 nano­metres in diameter— that they exhibit quantum properties. As a result, they emit light at highly specific and predetermined wavelengths, allowing them to offer a 50 percent increase in the range of colors that screens can produce.

It's that promise which has Sony excited over the technology. But what's different about the new sets, other than a bunch of tiny dots? Nature explains:

"The contrast with today's flat screens begins with the light source. Conventional LCDs use a high-intensity blue LED backlight whose glow is converted by a phosphor coating to create a broadband, white light used to make the moving TV images. The new Triluminos tele­visions instead pair an uncoated blue LED with a thin glass tube filled with quantum dots. Two kinds of quantum dots in the tube absorb some of the blue light from the backlight and re-emit it as pure red and green light. The resulting white light is more intense at the wavelengths of these three specific colours than the white light made by a phosphor-coated LED, so that more colour comes through in the images."

While pushing the bounds of technological capability with cutting edge science is something we heartily support, it remains to be seen how the use of quantum dots will directly benefit consumers. These TVs may offer up improvements that the everyday viewer doesn't really appreciate—but we'll have to wait and see how the sets perform in real life before we know what they can truly offer. Unsurprisingly, there's no timeline for the release of the Triluminous displays. [Engadget]

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85-inch 4K TV by Samsung limited pre-order in Korea for $38,000

Samsung's gigantic ultra high-definition TVs have finally gotten a price, at least in Korea. In a release, Samsung announced that it would soon begin a very limited pre-order for the 85-inch model, which we've previously heard will be released in March. Only 77 units appear to be available during pre-orders, which makes more sense when you see the price tag: it will sell for 40 million won, or about $37,900 US.

That price is justified partly by the TV's 4K resolution and partly by the sleek easel-like design, which lets Samsung break out the speakers into the legs while keeping the screen itself relatively thin. Nonetheless, it's higher than the number we'd tentatively heard before, which could either reflect the often cheaper cost of consumer electronics in the US or that it simply wasn't known at the time we asked. Samsung showed off two even larger 4K models at CES: a 95-inch and a 110-inch TV were both on the show floor. So far, there's no sign that they'll go on sale any time soon (or at all), but if they did, it would likely be in even more limited numbers. [The Verge]

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