LED Luminaries

LED news and insight from our technology editor Steve Bush, who has been messing with LED lighting for more years than he would care to remember.

Latest Tech News About LED Manufacturing

Dow moulding compound reflects 98% of light

Dow Corning has a white moulding compound that can reflect 98% of light, and can be used in direct contact with lighting LED die because it works up to 150°C.

There is a bit more information on MS-2002 on the Electronics Weekly main website.

It is a silicone…

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Marl International manufactures LEDs in UK for 40 years

A UK company, formed in Ulverston in 1973, has been designing and supplying LEDs for 40 years. In that time the Cumbria-based Marl International has supplied 500 million LEDs manufactured by its 100-strong British engineering and manufacturing team.

“The secret of our success is that our products are…

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Plessey fabs GaN-on-Si lighting LEDs in the UK

Plessey is sampling 350mW lighting LEDs, made in its 6in Plymouth fab using a GaN-on-silicon process. Possible applications are anticipated in accent lighting, wall washing, wall grazing and strip-lighting.
“The Magic GaN line using standard semiconductor manufacturing processing provides yield entitlements of greater than 95% and fast…

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GaN-on-Si needs a SiC buffer layer

Welsh fab equipment maker SPTS has teamed up with the Queensland Micro and Nanotechnology Facility (QMF) of Griffith University where researchers have spent 10 years developing an epitaxial SiC layer that will grow evenly on silicon.

“A 3C-SiC film provides an effective buffer, layer lattice-matched for GaN growth…

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