Plessey makes monolithic 12V multi-junction LED

2018-06-28 09:42:03 13

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Bold claims. Can the company justify them?

Yes, according to Plessey product line manager Clive Beech and applications engineering manager Leon Baruah, who took time out to tell Electronics Weekly how.

t its fab in Plymouth Devon, Plessey has been developing LEDs whose all-important photon-emitting GaN layers are grown on conventional silicon substrates rather than expensive sapphire or silicon carbide.

Because the lattice spacing is far from ideal, this is not easy.