News

Marvell Showcases Breakthrough LED Lighting Solutions for Residential and Commercial Deployments at LIGHTFAIR International 2012

May 9, 2012

Marvell will showcase smart and superior quality LED lighting solutions with complete reference designs and control software for building residential and commercial lighting products at LIGHTFAIR International 2012, May 9 - 11, 2012.

Pico-projector design uses color LEDs

May 1, 2012

The first production LED-powered projector debuted in 2005, and a number of projectors with output of 5 to 15 lumens from various manufacturers followed.

What's inside the Samsung 40W-replacement-LED light?

May 1, 2012

In February 2010, EDN tore down its first LED bulb (Reference 1). For $20, you got a non-dimmable bulb that produced 500 lumens at a cool white (5000K) and consumed 7W. The warm-white version of the light produced only 450 lumens. Two years later, you can buy this fully dimmable Samsung bulb for $19.95 (list price) that puts out 550 lumens of a nice warm white (3000K), consumes 10W, and boasts a five-year warranty.

Buck-boost controller for HB LEDs delivers more than 100W

May 1, 2012

High-brightness LEDs offer many advantages, making them suitable for diverse applications, but that diversity brings with it the problem of how to provide the requisite power with proper regulation and protection, especially when the source rail has dramatic transients, such as those in automotive-load dumps, for example.

Simplified luminaire design with LED modules

April 24, 2012

LED modules in which the complete drive electronics is included simplify the design of modern luminaires. Acrich 2 modules, made by Seoul Semiconductor, are available in different brightness levels and can be driven direct from the AC network without a ballast.

Everlight hits Nichia with LED patent lawsuit in US

April 23, 2012

Everlight has filed an LED patent-infringement lawsuit against Nichia in a US court, and is also asking the court to declare two Nichia patents invalid. Meanwhile, Nichia has received a favorable court ruling in Germany against Harvatek.

LED Financial News: Philips, Cree, LED lighting in Asia Pacific

April 23, 2012

Cree and Royal Philips Electronics have both reported positive quarterly results, while a new report from Pike Research expects LED lighting in the Asia Pacific region to accelerate rapidly after 2015.

Philips Reduces Dependence on Rare Earths for LEDs

April 23, 2012

Royal Philips Electronics has started working on a technology that will significantly reduce its dependence on rare earth minerals for creating its light-emitting diode ( LED ) lighting products.

Tact switch offers LED illumination, surface mount design

April 20, 2012

E-Switch launched its TL3240 series illuminated tact switch, which is a surface mount device that offers LED illumination in blue, red, green and yellow.

LED reddens as it dims for soft lighting

April 5, 2012

LED Engin is to reveal details of an LED that dims like a halogen bulb, reddening as its output drops, at Light+Building in Frankfurt (15 - 20 April).