You've seen them on refrigerators, you've carefully peeled them off washing machines. And now they're coming to a TV near you--they being EnergyGuide labels. This means shoppers can compare energy consumption--which can vary greatly between TVs, even those with the same technology and screen size, as easily as they compare price. (One model of 42-inch Philips LCD, for example, sucks up $40.35 worth of electricity in a year, according to CNET, a 42-inch LG LCD will use just $20.66 worth of electricity in that same year.) The U.S. Federal Trade Commissionannounced the new rule today, it goes into effect on 10 May 2011. 

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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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