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Digitally Divided

Newly developed countries favor new media, but Western nations still buy more

2 min read
Digitally Divided

Click on image for a larger view.

How much are you willing to spend to be entertained and informed? If you live in Norway, quite a lot. In 2008, Norwegians spent US $1522 per capita on media and Internet access, according to a recent study by PricewaterhouseCoopers. On the other hand, the average Chinese person spent about as much that year ($38) as a Norwegian did in nine days. (To be sure, China’s 2008 per capita GDP was just about one-tenth Norway’s; the gap in disposable-income spending is presumably narrower.)

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Digging Into the New QD-OLED TVs

Formerly rival technologies have come together in Samsung displays

5 min read
Television screen displaying closeup of crystals

Sony's A95K televisions incorporate Samsung's new QD-OLED display technology.

Televisions and computer monitors with QD-OLED displays are now on store shelves. The image quality is—as expected—impressive, with amazing black levels, wide viewing angles, a broad color gamut, and high brightness. The products include:

All these products use display panels manufactured by Samsung but have their own unique display assembly, operating system, and electronics.

I took apart a 55-inch Samsung S95B to learn just how these new displays are put together (destroying it in the process). I found an extremely thin OLED backplane that generates blue light with an equally thin QD color-converting structure that completes the optical stack. I used a UV light source, a microscope, and a spectrometer to learn a lot about how these displays work.

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