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.

Lumileds to show Luxeon R for street and industrial lighting

Lumileds has launched Luxeon R, a lighting LED designed for outdoor and industrial applications such as streetlights, high-bay lights, wall packs and bollards, writes Steve Bush.

For these uses, the colour rendering/efficacy trade-off is set in favour of efficacy, although minimum colouring index is still 70.

The devices are manufactured such that binning is not required.

SDCM (standard deviation colour matching) is <5 – good enough for outdoor and industrial use, though differences could be noticed in consumer or office lighting.

The LEDs are tested and specified at 85°C, minimum flux is 160-200 lm, and colour temperatures of 3,000, 4,000, 5,000, 5,700 and 6,500K are available.

Typical efficacy is 128 lm/W, except in 3,000K and 4,000K versions which are 105 and 125 lm/W respectively.

Luxeon R is available now and will be shown at Lightfair International in Las Vegas in May.

Tags: binning, colour temperatures, favour, industrial lighting, steve bush

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