• Wall Street Journal, Wednesday, October 27, 2010 10:46 AM

Novaled AG of Germany used its booth at the Korea Electronics Show earlier this month to show a prototype of a desk lamp made from several panels of OLED-based lights used by other manufacturers in new cell phones. They are expected to be available at retail in about two years, Evan Ramstad and Paul Glader report.

OLED, which stands for organic light emitting diodes, uses less energy than incandescent bulbs, is nearly as efficient as fluorescent and produces a color that is closer to natural light than either of the two dominant bulb technologies. The OLED screens are also far more expensive to produce right now, but the cost is expected to drop drastically.

The ramp-up "is starting to happen and will be a significant market," says Janice Mahon, a manager at Universal Display Corp., a N.J.-based developer of OLED technology.

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