Blue-Light Molecules Could Make OLEDs Cheaper, More Efficient

Researchers at Harvard University have designed more than 1,000 blue-light-emitting molecules for use in organic light-emitting diodes (OLEDs) that could improve the cost in making these displays and improve efficiency in televisions, smartphones and tablets. The project involved Harvard researchers in collaboration with MIT and Samsung to develop a large-scale, computer-driven screening process that incorporated theoretical and experimental chemistry, machine learning and cheminformatics to identify OLED molecules that perform better than current industry standards. Unlike liquid crystal displays (LCDs), OLED displays do not need a backlight and can be as thin and flexible as a sheet of plastic. Individual pixels can be switched on or off and emit light when an electric current is applied. OLEDs have already made inroads in the consumer market with more and more smartphones adopting…


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