2009

How It Works

The Thinnest, Most Colorful TV Yet

A seven-layer screen—-as thin as a credit card—-will be better-looking and more efficient than LCD and plasma

Q: What is OLED?

A: OLED, or organic light-emitting diode, is a display technology using man-made, carbon-based molecules that emit light when charged with electricity.

Q: How thick are OLEDs?

A: The latest prototypes are as thin as a credit card (0.3 millimeter), because OLED pixels produce their own light, with nothing behind the screen. LCDs need a fluorescent or LED lamp to illuminate the pixels, and plasmas need compartments of electrically charged gas.

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CES: Not What It Used to Be?

Fewer attendees and talk of budget products over gadget lust

"Small" is still far from the right word for the 2009 Consumer Electronics Show. But by every measure—both official and anecdotal--it was a slimmer event than in years past. In overall terms, attendance was down by at least 12,000, and probably a good deal more. Last year's official tally was approximately 141,000 visitors. Sources inside CEA say that this year's was well under the 130,000 that had been projected.

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December 2009: Best of What's New

In our December issue, Popular Science names the 100 best innovations of the year: bombproof wallpaper, self-parking cars, the fastest helicopter, and 97 more. Plus inventor profiles and videos.

Check out the best of what's new here.

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