HD Television Shopping Guide

HDTV prices keep falling, but the buying decision gets increasingly complex

3 min read
HD Television Shopping Guide

This holiday season, the rise of 3-D televisions has made it a buyer's market for plain old HD. To be sure, it's as easy as ever to get lost in a confusing tangle of technologies and acronyms. So let's simplify things. The first question involves just three letters: LED or not LED?

LED-backlit LCD screens are the premium display technology this year. They cost at least 10 percent more than the standard fluorescent-lit LCDs, but the best ones can't be beat. "The color balance is just so much better," says Randall Hand, editor of VizWorld.com.

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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.

Sony
Blue
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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