Researchers report a method for manufacturing micro-LEDs that features stacked red, green, and blue micro-LEDs and involves assembly via transfer-printing; the final product allows for full-color displays and mitigates the effects of performance degradation that accompany LED size reduction, according to the authors.
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Article #20-23436: "Transfer-printed, tandem microscale light-emitting diodes for full-color displays," by Lizhu Li et al.
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Proceedings of the National Academy of Sciences