Diphenylsulfone dimethyldihydroacridine

October 24, 2016
I can make you see blue.
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Organic light-emitting diodes (OLEDs) are now all the rage for electronic displays. Researchers have been working on OLEDs for many years; but now the technology is going commercial, mostly in mobile phones, but also in TVs like some manufactured by Korean giant LG Corp.

What are the advantages of OLEDs over conventional inorganic LEDs? According to Guillaume Chansin, senior technology analyst at IDTechEx, an international market research and consulting firm, “OLED displays can be lighter, they can be flexible, and they allow designers more leeway with the shape of their devices.” He adds that OLEDs can be far more energy-efficient than the LCDs found in most TVs today; and because they are now manufactured on plastic substrates instead of glass ones, “OLED displays can make phone screens shatterproof, or even foldable.”

So where does our molecule come in? “Diphenylsulfone dimethyldihydroacridine”, formally 10,10’-(sulfonyldi-4,1-phenylene)bis[9,10-dihydro-9,9-dimethylacridine], is a blue light–emitting OLED that was developed by Chihaya Adachi and colleagues at Kyushu University (Fukuoka, Japan). The fluorescent OLED is less expensive and more quantum-efficient than earlier blue light emitters. Its performance compares well with that of the current generation of phosphorescence-based OLEDs.

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