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.

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Cavers and miners will be happy

Cavers and miners will be happy, as Ledil has made a collimator especially for them.

Called Crystal, beams down to +/-1.5° are possible.

There are two products: Crystal-RS and Crystal-Mine.

“According to mining head lamp specifications Crystal-Mine has 10% added illumination over the cut-off area…

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Lens gies narrow beam and colour mixing

Geri-RZ is a 45mm TIR lensfrom Ledil, intended to produce a narrow beam from RGB leds, with good colour mixing.

Its mixing is based on the proprietary ‘RZ’ surface.

“Very good color uniformity can be achieved with this micro-lens structure without an additional mixing chamber,” said the firm…

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Ledil and Ideal go for Cree CXA35

Cree CXA35 arrays can now be mated to Ledil Angela and Angelina reflectors, thanks to a clip-in Chip-Lok connector/holder from Ideal.

“Ideal can offer a complete system that connects the reflector to the Cree array to deliver the most efficient electrical, mechanical, thermal, and optical qualities,” said…

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Two blue peaks for whiter white

Just when you thought there were sufficient shades of white in the world, along comes another one.
CrispWhite Technology “brings a completely new look to retail settings, with its unique ability to highlight bright whites while while colours appear saturated, revealing the richest colours found in clothing, paints and other…

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Design your own collimator

Zemax has put a series of videos up on its website showing how its OpticStudio can be used to design a collimator for a particular LED…

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Cree bulb has low-med-high at the flick of a switch

Cree has introduced a three-intensity, selected by flicking the wall switch, LED replacement for incandescent bulbs.

Called ’3-Way Cree’, the firm says it has “three light levels distinctly visible to the naked eye”.

That said, the values are 3, 8 or 18W (320, 820 or 1,620 lm…

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Philips combines Lumileds and LED headlight division

Philips is combining its Lumileds LED making and automotive lighting business, and may be looking for third-party investment.

The firm’s statements are all very positive, and I have no crystal ball, but I wonder if competition from all and sundry has put a dent in the profits the…

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Unique reflector for large arrays streetlights

For large area CoB arrays in streetlights, Ledil has developed the Bertha free-form reflector family with Bridgelux.

There are three versions with IESNA Type II short, Type III medium and Type IV medium type beam patterns.

The reflectors are made from special polymer and metallised using an SiO2 process…

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Optic lights shop aisles

Ledil has developed an optic especially for retail aisles with shelves on both sides.

Called Florence ZT25, it pushes a blade of light towards each row of shelves.

Size is 286x 61mm, 11mm high, and it needs to sit over 33 small surface-mount LEDs

The data sheet specifies it…

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Osram packs in lasers for projection

Osram has worked on efficiency and heat sinking to get 50W of blue laser light from 26x35mm.

For more details see this story on the news website…

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