Cree LED has up-graded its 1.6 x 2.05mm lens-less XE-G led family, claiming a 20% increase in efficiency for RGBW systems, and a 10% or higher efficiency gain for 13 of the 18 available colors. These devices are intended to be packed closely under colour-mixing optical systems. As such, the gap between emissive surface and package edge is kept small ...
Tag Archives: LED luminaires
Updated lighting guide for partially-sighted makes good reading for all
The Thomas Pocklington Trust has once again updated it guide for lighting spaces in which partially-sighted people live, and has broadened its appeal to beyond its original intended audience. “Lighting makes such a difference for partially sighted people, often enabling them to maintain their independence,” the Trust told Electronics Weekly. Now at issue 3, ‘Lighting in and around the home: A ...
Batwing distribution for horticultural leds
Osram has introduced horticultural lighting leds with a ‘batwing’ output distribution. Implemented in Oslon Square Batwing, the distribution comes purely from a primary lens built into the pacakge. “Current LED fixtures often have a lambertian primary lens and no secondary optic, or a simple glass cover, which lead to hotspots with high concentration of light directly under the luminaire,” according ...
Philips goes for 210 lm/W bulbs with fanfare, but could have done it earlier
Signify has introduced “the first Philips LED A-class bulbs that meet the more stringent EU Ecodesign and Energy labeling regulations that come into effect on September 1, 2021”, according to Signify. “The new Philips LED bulbs with a longer lifespan.” They will be available in 40W (below) and 60W (above) equivalents and should be producing at lease 210lm/W. “Thanks to this technological ...
Osram boosts efficacy of 660nm grow led
Osram is claiming “the most efficient LED for horticulture” following the release of its Oslon Square Hyper Red. The figures are: radiant flux of 1.030mW at 73% wall-plug efficiency photon flux of 5.7μmol/s at an efficacy of 4.0μmol/J at 700mA life of over 100,000 hours “even at high temperatures” Then “for applications with higher efficacy requirements”: 78% driven at 350mA 80% ...
Pico Tech adds DALI decode to scope software
Pico Technology has added DALI decoding and analysis to its PicoScope software, with an update to version 6. “Networked DALI devices are at the heart of modern buildings management. Engineers and systems integrators developing modules and deploying DALI networks need tools to identify timing and signal integrity problems when they occur,” said Pico business development manager Trevor Smith, claiming: “PicoScope ...
Luminair has Bluetooth-controlled variable beam-shape, direction, and…, and…
Over Bluetooth, this luminair’s beam can be adjusted from <10° to 50°, flowing fluidly through all the all points in between, according to manufacturer Formalighting. Development was with beam shaping specialist LensVector and wireless firm Casambi. Direction (pan and tilt), intensity and colour temperature are also adjustable, in what is to be called Moto-Ola Track. LensVector’s ‘dynamic beam shaping’ technology ...
LED street light controller is LoRaWAN compliant
An LED street light wireless luminaire controller compliant with the LoRaWAN standard.
UK gets a new LED lighting company
MHA Lighting, the North West UK-based LED lighting specialist has been acquired by the owner managed entrepreneurial company Investx. The new company, to be known as Waveguide Lighting, will to develop and provide specialist luminaires using patented waveguide technology. By directing the light sideways into a solid, cast acrylic rod, the design is claimed to deliver effective lumen output, efficacy, improved ...
Germans put more money into LED lighting industry
The German Government is supporting an attempt to cut cost from led luminaires by integrating manufacturing from epitaxy to finished product. See the Electronics Weekly news site for more.