Bright, Bendy Gallium Nitride LEDs

By growing gallium nitride micro-rods on graphene, researchers have made tiny blue LEDs for inexpensive displays and wearable sensors

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Bright, Bendy Gallium Nitride LEDs
A schematic of a bendy blue micro-LED made by growing vertical aligned gallium nitride rods on a graphene film that is transferred to a plastic substrate
Image: Seoul National University