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Philips lights five miles of Chinese buildings

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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

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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 ...

Osram aims at automotive with high-power IR leds

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For automotive applications, Osram has introduced six high-power infra-red leds that can be pulsed at up to 5A (up from 3A in earlier versions). Part of the Oslon Black family, there are 850nm versions intended for exterior applications such as night vision, pedestrian protection, pre-field recognition and lane detection, as well as 940nm versions for interior applications such as driver ...

3x3mm led emits 200 lm from 6V 240mA

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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 ...

Osram claims flux density record for chip-scale led

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Aiming at retail lighting, Osram has revealed a chip-scale LED with what it claims has the highest flux density. Called the Oslon Pure 1010, and revealed in prototype form, the 1 x 1mm device achieves a claimed 237 lm/mm² at 1A. Typical flux is 100 lm at 350mA (3,000K white) and it is said to almost perfectly follow Lambert’s law. At ...

MWC: Osram Opto at Mobile World Congress

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At the Mobile World Congress 2018 Osram Opto Semiconductors is planning to show what is considers key technologies for mobile devices such as smartphones, tablets, wearables or VR and AR gadgets. Infra-red leds for biometric identification – iris-scan and facial recognition Leds for virtual and augmented reality Leds for gaze and eye tracking. Multi-chip leds for phone flashlights – for ...

940nm IR led for 2D facial recognition

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2D facial recognition involves illuminating the user’s face with an infra-red light source and capturing the image with an IR camera. The system then compares characteristic two-dimensional features in the image with previously stored images. “If there is a match for the various data such as the width of the mouth, length of the nasal ridge and distance between the ...

Automotive catalogue from Lumileds includes laser headlights

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Lumileds has released its automotive lighting catalogue, which includes a laser main beam module as well as the Luxeon Altilon Intense dip-beam (US low-beam) leds and ‘FX Plus CW’ main beam (US high-beam) leds, plus matrix led headlamp light engines. Flick to pages 6 and 7 for the laser light engine (photo below) – used to boost main beam performance. ...

Lime, green and purple LEDs grow red lettuce

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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

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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 ...