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Efficient Deep-Blue Organic LED Created

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Michael A. Greenwood

An efficient deep-blue organic LED (OLED) that could be used for display applications has been created by researchers in Taiwan. Although a number of such devices have been fabricated in recent years, important structural information about how they were created — including dopants and host materials — in many cases has not been fully disclosed because of patents or commercial secrets. This deep-blue organic LED with an SK-1 doping concentration of 7 percent achieved an electro-luminescence efficiency of 5.0 cd/A at 20 mA/cm2. Researchers at National Chiao Tung University in Hsinshu...Read full article

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