Plymouth, Devon PL6 7BQ


About Plessey



Tamerton Rd
Plymouth, Devon PL6 7BQ
United Kingdom

More Info on Plessey

Plessey has been a technology and product innovator since its origin in 1957 and is an industry leader in developing and manufacturing low cost and high performances GaN-on-Si LEDs.

Press Releases

Hyperion 1750 LED Grow Light
Industry Guide

B-Four Agro chooses Plessey’s new Hyperion 1750 LED grow light for its first indoor lettuce greenhouse project

The new Hyperion 1750 has a light output of 1750 micromole/s, equivalent to a 1000W SON-T. All Hyperion grow lights come in a range of standard and tailor made spectrums, with...
Farm at Deinze in the north of Belgium
Industry Guide

TomatoMasters expands tomato production with Plessey’s new Hyperion 1750 LED grow light

Plessey, a leading developer of award-winning LED technologies and manufacturer of solid-state lighting products, announces that TomatoMasters will install Plessey’s new...


Photo courtesy of Sophie Collins at Midstream Lighting
From left to right: Midstream’s technical director Paolo Corno, commercial director Yuli Grig, and new head of horticulture Jonathan Barton. They are pictured here at the GreenTech exhibition in Amsterdam last June before the acquisition, when Barton was managing director of Hyperion.
Horticultural Lighting

Acquisition of Hyperion boosts presence of Midstream Lighting in horticulture

Britain’s Hyperion Grow Lights is no more as a company, but its latest products live on under the Hyperion by Midstream Lighting flag.
Image credit: Graphic by Tumisu via Pixabay; used under free license for commercial or non-commercial purposes.

Readers find interesting hooks in top horticultural SSL content

Only three lighting companies featured in 2021’s top four horticultural articles on the LEDs Magazine website. Can you guess which ones they are?
Tomato connoisseurs might be able to spot the difference between LED and HPS varieties. (Photo for illustrative purposes and is not derived from the project described here. Photo credit: Image by Ulrike Leone via Pixabay; used under free license for commercial or non-commercial purposes.)
Horticultural Lighting

Are LED tomatoes as tasty as HPS-grown?

One German grower says yes, they’re even tastier. But the reason might surprise you.
While part of Plessey, Hyperion Grow Lights outfitted a 5.4-hectare indoor Tomato Masters farm in Belgium with some 7000 LED grow lights. (Photo credit: Image courtesy of Plessey Semiconductors.)
Horticultural Lighting

Plessey spins out horticultural lighting operations

It's now called Hyperion Grow Lights as it gets venture backing and carries on tuning LED systems for growing tomatoes and all that other good stuff.
The new Synios P2720 CR Series packaged LEDs from Osram Opto Semiconductors are designed to deliver improved brightness in a compact footprint for automotive rear lamps and fog lamps. (Photo credit: Image courtesy of Osram Opto Semiconductors.)
LEDs & SSL Design

Packaged LED news: Osram Opto, Plessey, Everlight, and Seoul

Osram Opto has used phosphor-converted red in an LED for automotive rear-facing applications while we have UV-C news and also a development in micro LED technology.

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