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Optics and photonics

Optics and photonics

Mastering the manufacture of microLED displays

02 Jun 2021

Trailblazing technologies could banish the bottleneck that comes from picking and placing myriad microLEDs, as Richard Stevenson explains

red GaN-based LEDs on silicon substrates
Production challenge In late 2019, UK firm Plessey announced that it had produced red GaN-based LEDs on silicon substrates. Fabricating GaN LEDs emitting at such a long wavelength is challenging; the reward for success is a far better performance at elevated temperatures compared with incumbent AlGaInP-based LEDs. (Courtesy: Plessey)
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Richard Stevenson is editor of Compound Semiconductor magazine, e-mail richardstevenson@zoho.com
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