Researchers discover a way to control the colour of OLEDs

Organic light-emitting diodes (OLEDs) are used in smartphones and televisions to facilitate the high-contrast display of colours. Conjugated polymers are also often employed as organic semiconductors in such diodes. Researchers ...

New method benchmarks organic mixed conductors

Within the past five years, Northwestern University's Jonathan Rivnay has noticed a surge in the development of new organic mixed conductors—polymer materials that can transport both electrons and ions. Lighter, more flexible, ...

A curious quirk brings organic diode lasers one step closer

Since their invention in 1962, semiconductor diode lasers have revolutionized communications and made possible information storage and retrieval in CDs, DVDs and Blu-ray devices. These diode lasers use inorganic semiconductors ...

Apple's iPhone X hits Asia stores as profits soar

Apple's flagship iPhone X hit stores in Asia Friday, as the world's most valuable company predicted bumper sales despite the handset's eye-watering price tag and celebrated a surge in profits.

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