Tech news tagged ‘led lighting’

Sharp luminaires exceed 100 lm/W

Sharp has added to luminaires in its Kato product family – Kato L (high bay 104 lm/W ~20,000 lm) and Kato S (low bay 110 lm/W ~10,000 lm).

“We have improved the efficiency of the low bay luminaire with this second generation product”, said Jennifer Campbell, general…

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Cree: 1,100 lm four die XM-L2 for ’50W’ bulbs

Cree has introduced a four die ‘EasyWhite’ version of its XM-L2 LED, as well as a 200 lm/W ‘XP’ device (see below).

Like the original single die XM-L2, bins are available to deliver more than 1,100 lm from a 5x5mm package – so one can be used…

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Element14 launches Osram drivers and light engines

Element14 is to sell Osram’s PrevaLED range of light engines and Optotronic drivers – essentially, Osram’s kit of parts for luminaire makers.

The light engines are launched with and without integrated drivers and come in a variety of luminous flux and four shades of white from warm white to…

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Marvell aims for Zigbee smart bullbs

Marvell’s 88EM8189 ac-dc LED lighting driver chip is not only phase-cut dimmable, but has an I2C interface to allow digital control – particularly from its 88MZ100 Zigbee tranceiver.

It can be used in either non-isolated buck-boost or isolated fly-back designs – primary-side sensing allows isolated…

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Electronics Weekly – LED Lighting Guides

LED Lighting guides
Here in one neat package are some of our key LED lighting articles…


* Coloured LEDs


* Costing LEDs

* 50 year history of the LED

* Ensuring safety in LED lighting…

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Quick poll – Lighting safety has run a long article on LEDs and eye safety – Ensuring safety in LED lighting. Was the article…?

LEDs and eye safety

Generally, on, how do you feel about long articles?

Long articles…

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Exciting times for the LED lighting market – Harvard Engineering

This is an exciting time to be in the LED lighting market, according to LED driver module supplier Harvard Engineering, writes Richard Wilson.

“It’s an exciting time to be involved in the lighting industry and we’re investing heavily to create in the research and development of our CoolLED…

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Taiwan puts LEDs on streets to boost economy

Part of Taiwan’s economic stimulus package announced last week is to install 320,000 LED-based street-lights on the island, writes David Manners.

The measure is one of a series of measures introduced by vice premier Sean Chen to boost high-tech industry.

Taiwan’s economy grew over…

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Simple LED lighting chip offers switch dimming

Supertex has introduced an LED lighting chip with switch dimming. The IC, dubbed HV9801A, dims LED lamp brightness to one of four preset levels through rapid toggling of a light switch, writes Steve Bush. Light levels progress up and down sequentially and if the switch is turned off for more…

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Cree buys LED lighting system company Ruud Lighting

Cree has bought Ruud Lighting, a supplier of LED outdoor lighting systems, for around $525m, writes Richard Wilson.

The deal is being seen as an important move in the lighting market and will increase opportunties for Cree’s LED systems and components…

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