Prize-winning LED lamps demand high-efficiency LED drivers 25 Jun 08
The race to build replacement LED lamps for the Bright Tomorrow Lighting Prize will require the development of advanced LED drivers, according to Doug Bailey.
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Diodes Incorporated closes acquisition of Zetex plc 13 Jun 08
The UK-based manufacturer of LED driver ICs has been bought by a Texas-based semiconductor manufacturer. |
Lynk Labs adds Cree to AC LED technology supplier network 23 May 08
LynkLabs is now incorporating Cree XLamp LEDs in to its new range of GeoLite linear AC LED systems. |
An alternate way of driving LEDs
14 May 08
Several lighting manufacturers have recently incorporated AC-driven LEDs into their lighting fixtures. Tim Whitaker looks at this emerging technology. |
Constant power LED driver architecture reduces cost for offline LED ballasts 13 May 08
In his fourth article on ballasts, Iain Mosely describes how the constant power operation inherent in a peak-current-controlled discontinuous mode flyback converter can deliver good drive characteristics for LED applications. |
Pulse-driven LEDs have higher apparent brightness 05 May 08
Human perception studies by a Japanese university indicate that pulse-driven LEDs appear up to twice as bright. |
Driver ICs for HB LEDs: a large and growing market 13 Mar 08
The total market for HB LED driver ICs is forecast to grow to more than $1.9 billion in 2011, according to Vrinda Bhandarkar and Bob Steele of Strategies Unlimited. |
Catalyst granted patent on switching architecture for LED lighting
22 Feb 08
A new patent should enable a simpler, smaller, more cost-effective and far more power-efficient "green" LED driver alternative to linear regulators. |
Microsemi driver technology improves LED backlights 04 Jan 08
At the 2008 International CES this week, Microsemi will unveil a new driver technology controlling large clusters of LEDs in LCD backlights. |
HB LED driver IC market to exceed $1.9 billion in 2011
07 Dec 07
The latest LED market report from Strategies Unlimited predicts strong growth in the driver IC market driven by general illumination, signs and displays, and automotive applications. |
Boost converter LED drive systems for emergency backup lighting 06 Dec 07
In the third in a series of articles on power converters, Iain Mosely describes how the Boost converter switching topology can be used to drive LED systems for emergency backup lighting. |
TECH NOTES: Programmable analog for high power LED color mixing applications 20 Nov 07
Designers of systems that utilize LED color-mixing would be well served to understand the advantages offered by programmable analog ICs, according to Gavin Hesse and Patrick Prendergast of Cypress Semiconductor. |
Macroblock expects to launch Initial Public Offering 29 Oct 07
Macroblock, a mixed-signal IC company focused on the LED industry, expects to launch an IPO on October 29, 2007. |
Buck converter LED drive systems for automotive applications 17 Oct 07
In this second of a series of articles on power converters, Iain Mosely describes how the Buck converter switching topology can be used to drive LEDs efficiently in demanding automotive applications. |
Switched-mode power converters drive LEDs more efficiently 30 Aug 07
Several different power converter topologies can be employed, depending on the circumstances, to provide efficient control of LED systems, writes Iain Moseley. |
Driving LED lamps – some simple design guidelines 13 Aug 07
LEDs can easily be integrated into a circuit design provided that certain design rules are observed, writes Julian Cooper. |
Make sure the LED luminaire you choose is a "Sleeping Beauty" 30 Jul 07
Some LED luminaires draw current even when there is no emission, which reduces efficiency and negates one advantage of the technology, reports Brian Owen. |
LED lighting control device operates with DMX fixtures 18 Jul 07
LUX Italia has developed a sophisticated and user-friendly lighting control device that uses DMX to operate multiple LED fixtures. |
Power Vector, MC Lights contribute to Harbinger LED project 26 Jun 07
Artist Adrian Gollner has used LEDs to realize a lighting project that responds to wind speed, on top of a condominium in Toronto. |
Cypress EZ-Color controllers assist LED lighting designs 18 Jun 07
EZ-Color microcontrollers from Cypress can be programmed without coding using a software interface tool, and use a new signal modulation technology. |
Supercapacitors brighten prospects for power LED flash in camera phones 27 Feb 07
The combination of power LEDs and supercapacitors could provide the crucial breakthrough that will enable high quality LED flash in camera phones, with low current draw and small form factors. |
Power Integrations design kit enables EMC-compliant LED lightbulbs 22 Feb 07
An ultra-small power supply unit is designed to fit into an LED lightbulb socket, and enables LED lightbulbs to meet EMC requirements. |
