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.


Luxeon Z ES gives more light and other whites

April brings a refresh to Lumileds un-lensed Luxeon Z ES range.

These little tiny (1.6×2.0mm) lighting LEDs now have higher temperature white options at all CCTs and outputs are up across the range – there is a 245 lm 5,700K 70CRI (typical 700mA 85°C).

For a…

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SemiLEDs tackles phosphor packaging problem

SemiLEDs is sampling white light LEDs using a proprietary phosphor technology, which it says delivers “a highly uniform phosphor coating across the emitter surface, greatly increasing colour precision and uniformity”.

A feature of the technology is that it can eliminate phosphor application from the packaging process, as a result and…

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Intematix and LED lighting phosphors

White lighting LEDs are almost universally a combination of a blue light-emitting InGaN die and a phosphor that steals some of the blue light and converts it into a broad spectrum peaking at yellow or amber.

The combination of blue light and yellow light looks white to humans.


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Salary Survey 2014 takes industry temperature

We are pleased to announce that Electronics Weekly, working in partnership with European Recruitment, is conducting a new salary survey for the electronics industry. Sounding out such important matters as pay and benefits and your thoughts for the future outlook.

Take the Salary Survey 2014 »

We are looking at remunerations…

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Dev kit for DALI and DMX colour lighting

Gaggione, Cree, and Microchip have teamed up to produce a lighting development kit for digitally-controlled multi-coloured LED lighting.

The Lighting Communications Development Platform  combines a PIC microcontroller with a RGBW MC-E LED and a 45mm LLC19N colour-mixing narrow beam focusing optic.

Also in there is DALI…

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Gaggione introduces liquid silicone optics

French maker of LED secondary optics Gaggione is offering liquid silicone optics.

The firm now has a dedicated workshop for the technology – including moulding.

“Silicone resin provides the opportunity to make parts with complex design features, some of which are simply not possible with thermoplastic,” said sales director David Veryser…

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Colour added to Osram mid-power LEDs

Osram Opto Semiconductors is offering its mid-power LED Duris P5 in colour. They are fabricated in either InGaN (Indium Gallium Nitrite) or InGaAlP (Indium Gallium Aluminum Phosphite) depending on the wavelength.

Architecture lighting is the designated use, and the LED range has five colour versions: deep blue (450nm), blue…

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