Home » Tag Archives: led lighting

Tag Archives: led lighting

Plessey gets UK greenhouse lighting design-in

PlesseyHyperion1750

Sterling Suffolk will install Plessey LED grow lights in its 54,400m² greenhouse. The model is the Hyperion 1750, Plessey’s latest, and has a maximum light output of 1,750 micromole/s (equivalent to a 1kW SON-T, the incumbent discharge lamp technology – Plessey introduced the 1000 micromole/s Hyperion 1000 in 2017, equivalent to a 600W SON-T. All Hyperion grow lights come in ...

Philips lights five miles of Chinese buildings

philips-lighting-illuminates-ningbo-zhongshan-road.jpg

Philips Lighting has used connected LED architectural lighting fixtures to illuminate the facades of 37 buildings along the 9.2 km Zhongshan Road in Ningbo China, through the city’s business district and Tianyi Square. “The project, one of the largest of its kind, is aimed at boosting the city’s cultural heritage and tourism, as well as stimulating commercial activities in the ...

Italian designer turns to Toshiba high-CRI leds for classic re-vamp

Lumina-Italia-Daphine-Tri-R

Lumina Italia, founded by designer Tommaso Cimini in 1975, has been making its Daphine lamp ever since. This year it has been updated to use leds to form the ‘Daphine Tri-R’, using Toshiba’s Tri-R high-colour-rendering leds which have a violet die and phosphors at multiple wavelengths – scoring >Ra97 for CRI and Qa96 for CQS. The lamp consumes 10.4W and produces ...

3x3mm led emits 200 lm from 6V 240mA

Lumileds-Luxeon-3030-2D-group

Lumileds is aiming at general lighting with what it claims is its highest flux two-die mid-power led – plenty of caveats from the company there. The device is the 3 x 3mm Luxeon 3030 2D with a square light-emitting surface – there is already one with a round emissive area. “Flux performance is significantly improved over the company’s existing 3030 ...

LED lighting drives boom in vertical farms in China

LED lighting is having a major impact on the way plants are grown commercially in greenhouses. As a result the horticultural lighting market reached almost $3.8bn in 2017, according to market data from Yole Développement. But changes to the horticultural LED lighting market indicate that greenhouse applications may only be the tip of the iceberg. Emerging applications, including urban farming, ...

Lime, green and purple LEDs grow red lettuce

Luxeon-leds-grow-lettuce

Lumileds has been growing red lettuce, and worked out that lime, green and purple coloured leds LEDs grow more of them, with increased beneficial nutrients. Slightly abbreviated, the conclusion of the company’s paper (‘Luxeon SunPlus series Lime leds produce high yield and nutrition in leafy greens‘) reads: This study showed that red lettuce Rouxai grown under specific LED spectra can ...

Osram lights St Peter’s Basilica

Osram-StPeters

St. Peter’s Basilica is on the way to getting led lighting, according to Osram. “Lighting calculations and simulations have been completed,” said the firm. “In the basilica, the led lighting system has been tested in many areas, and everyone involved is really pleased with the results. Tests show that the illumination level of the domes is 10 times brighter than ...

Extra light doubles plant growth

For crop research, plant growth can be doubled using LEDs, according to a research paper in Nature. Instead of 2-3 crops per year, the research team got six generations per year from spring wheat, durum wheat, barley, chickpeas and peas, and four generations for canola. It was not just the lighting, the plants has a controlled environment, fully enclosed in ...

Plessey shifts from GaN-on-Si LED production scale-up to licence out its IP

Plessey HQ Plymouth

UK LED maker Plessey is to move to an intellectual property licensing model, following City apathy towards British manufacturing. Its Plymouth fab will now focus on R&D, and only limited production. The firm has single-handedly developed a viable GaN-on-silicon process suitable for making high-power lighting LEDs, which are already selling in Europe, the US, China and Taiwan, and has a ...

LuxLive round-up

LuxLive general architectural

LuxLive as usual was a vibrant show, held once again a ExCel in London’s docklands. It is a tribute to just how far LEDs have penetrated the lighting market. Sadly, Electronics Weekly did not have time to visit the many Far Eastern manufacturers there, and steered away from most of the networking technology on show as it is covered in ...