Sunday, September 18, 2011

The future of lighting

Amid the ongoing shift to compact fluorescent light bulbs (CFL), which use 75% less energy than incandescent bulbs, and light-emitting diodes (LEDs) that are touted to be 10 times more energy efficient, comes the “ultra-efficient” alternative to LED: The organic LED or OLED, which works by letting electric current pass through one or more extremely thin layers of organic semiconductors--not the silicone-based ones used by LEDs--which are placed between an anode and cathode and then encapsulated in a coverglass.

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