Optics junkies at the University of Michigan have found a way to greatly boost the efficiency of OLEDs to produce 60% more light from the same amount of power as those previous, cranking out 70 lumens per watt. Their method uses a layer of five-micrometer-wide lenses mounted on top of a reflective grid, which coaxes the light out from the organic substrate and into the world. OLEDs to date have been held back by efficiency problems—they still can't match CFL bulbs' 90 lumens per watt, but they're getting there. This could mean lighting that adds even less power consumption to OLED's many benefits over compact fluorescents (longer life, better light, theoretical 100% efficiency, etc), and more energy-sipping OLED TV panels down the road. [Technology Review via DVICE]
Researchers Squeeze 60% More Light Out of OLEDs With Tiny Lenses
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