CES: OLED TVs show way forward

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Prof Linda Doyle, Trinity College Dublin, and Cathriona Hallahan, Microsoft Ireland

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11 January 2012 | 0

Tablets and ultrabook may be stealing the limelight at CES, but displays are more than holding their own on the show floor.

Sony’s recently announced display technology Crystal LED promises a picture with higher contrast, richer colors, better response time and a wider viewing angle than existing LCD and plasma high definition televisions. The electronics maker is showing off the new technology at the Consumer Electronics Show in Las Vegas with a prototype 55" HDTV.

Sony’s Crystal LED HDTV uses 6 million pixels (2 million for each of the RGB colors) to display a 1080p high definition image. Unlike standard LCD televisions that use LEDs as backlighting, the Crystal LED display has 6 million tiny LED lights (equivalent to the number of pixels) affixed onto the front of the display.

The company claims Crystal LED displays have 3.5x higher picture contrast, 1.4x richer colors, and a 10x faster response time compared to Sony’s current LCD models. Sony’s prototype Crystal LED also has a 180-degree viewing angle and the panel consumes less than 70W of power, according to the company.

 

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Sony claims its prototype is the first 55" Full HD self-emitting display that uses LEDs as the light source. LEDs are able to produce their own light, while LCDs require a backlight to produce a visible image.

Display technology is shaping up to be a primary new feature for the next-generation of HDTVs. Samsung is also showing a 55" display that uses so-called ‘Super OLED’ technology at CES, while LG has debuted a 55" OLED.

The difference between Super OLED and OLED, according to Samsung, is that Super OLED sets don’t use a colour filter resulting in pictures with deeper contrasts and finer detail.

IDG News Service

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