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2006-04-04 LED block offers modular design
Offering a building-block approach to solid-state lighting, Bivar has introduced a 1W LED block series with optional configurations for power, lighting styles and mounting methods.
2006-04-19 Bivar solution helps engineers to easily incorporate latest LED tech
Bivar introduced a 1W LED Block series designed for use in industrial, automotive, architectural, backlighting and intense single or multiple lighting apps.
2007-06-20 White LED drivers offer 90% efficiency
Vishay Intertechnology Inc. releases two new 1.25MHz current-mode boost converters optimized for white LED applications
2008-04-01 Pick the right output capacitors for LED drivers
LEDs require a well-designed constant-current source for controlled brightness. The output capacitor in the traditional buck converter that serves to drive LEDs can have a significant effect on control-loop characteristics, and the capacitor type as well as the output circuit configuration is often critical. Here's how to pick the right capacitors for your intended application.
2012-12-10 Options for powering LED luminaires
Workarounds required to meet the requirements of electromagnetic compatibility can harm the reliability and efficiency of power circuits in LED luminaires
2013-07-09 Modular LED drivers minimises time-to-market
What are the dangers with bespoke devices and why are off-the-shelf LED drivers generally the better solution
2010-02-24 LED driver achieves >0.95 power factor
ON Semiconductor has launched a new power factor corrected dimmable LED driver for residential and commercial lighting applications
2009-01-07 LED controllers cut power dissipation in flat LCD TVs
austriamicrosystems has extended its portfolio of specialized LED drivers and controllers for the latest generation of LCD TV backlighting with the AS3693B 16 channel LED controller IC
2014-01-03 How to simplify LED driver development
Know how to develop an LED driver system based on highly integrated LED driver modules and how several drivers can be interconnected for PWM dimming
2007-04-04 Emergency-stop switch features LED illumination
EAO has introduced a compact emergency-stop switch with a mono-block design and bright LED illumination that's visible even from the side.
2014-06-02 Driver ICs deliver enhanced LED lamp power up to 18W
The devices from NXP have a supply current of 1.3mA, are typically configured to a buck converter. They are housed in a compact HSO8 package with an exposed pad for T-LEDs or higher power lamps.
2013-02-20 24ch constant-current driver for LED illumination
Toshiba's TB62D612FTG supports common anode LED control systems and is embedded with a 7bit PWM grey controller and features 5-40mA constant current range
2012-09-25 Japanese companies attempt to block KKR's Renesas purchase
A consortium made largely of Japanese companies plan to block KKR's bid to purchase Renesas, looking to invest more than $1.28 billion into the ailing company
2002-02-15 Wieland 5mm terminal blocks built for sensors
Wieland Electric Inc.'s WK 2.5-4 KOI/U series DIN rail terminal blocks allow for wiring multiple sensors powered by a single pair of power supply leads.
2007-12-13 Viewer turns iPod video into big virtual hit
Virtual display glasses are nothing new, but improvements have slimmed the package considerably and brought costs to levels more simpatico with consumer budgets�At $199, Myvu's Solo brings iPod video viewing front and center.
2015-02-13 Utilising LEDs for LCD backlighting (Part 2)
In Part 2, we will begin with a look at the market trends that have driven the evolution of LED LCDs. This will be followed by an exploration of the optical design techniques used in today's displays
2015-02-09 Utilising LEDs for LCD backlighting (Part 1)
Learn about the types of LED LCD backlight units, the market trends and technological developments, the advantages of LED LCD televisions, and the key points in the optical design of LED backlights
2013-12-26 Utilise PSoC for heart rate monitor
Read about a heart rate monitor design using programmable system-on-a-chip.
2008-05-16 TV prototype flaunts dark side
Dolby Laboratories last month demonstrated an astounding LCD TV prototype with a truly black LCD screen.
2008-04-24 Seoul Semi, Everlight settle patent suit with Columbia U prof
Seoul Semiconductor and Everlight Electronics have signed settlement agreements in a patent case brought before the U.S. ITC by Gertrude Neumark Rothschild, a professor emerita at Columbia University.
2007-06-18 Select the best topology for WLED drive electronics
Designers attempting to collapse the electronics required to drive LEDs into the base of a light bulb face major challenges. This article discusses how to meet these challenges when replacing older lighting technology with LEDs.
2014-03-14 Research groups focus on harnessing WSe2 properties
MIT, University of Washington and Vienna University of Technology have each conducted a separate research that examines the potential of WSe2 to create innovative optoelectronic devices.
2015-04-10 Regulating multiple loops in power supply
While there can be some issues with regulating multiple loops, if you are able to understand the system constraints, you can come up with a strategy to make the power supply behave.
2016-01-21 Optical sensors boost gesture recognition, UV protection
The Si1133/53 devices from Silicon Labs aim to provide precise measurement of ultraviolet radiation and better daylight performance for enhanced proximity sensing.
2013-11-07 Myths about cooling high-power LEDs
Know the four myths about active versus passive methods.
2014-01-06 Monitoring heart rates with PSoC
Here's the design of a heart rate monitor using programmable system-on-a-chip.
2016-05-13 Lego-like electronic bricks redefines 'playing with blocks'
The chrome-plated bricks from Brixo Smart Toys can conduct electricity, integrate active parts such as LED lights, motor blocks, and even sound, light and proximity sensors
2007-09-16 High-power video projection with liquid-cooled HB LEDs
High-power/brightness LEDs are an increasingly attractive solution for projection applications due to their enhanced color range, high performance over the life of the end product and lower cost of ownership than current arc lamp technology.
2004-09-16 For startup, power savings start in architecture
3Plus1 Technology develops an application-specific processor built around the concept that energy efficiency begins in the architecture.
2014-06-10 Dimming driver drives up to nine LEDs from a 36V source
The LED buck driver from diodes claims an accuracy better than five per cent. Dimming is achieved by applying a fast digital PWM signal to the driver's control input
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