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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.
2003-12-31 Sipex boost converter drives up to 8 serial LEDs
Sipex Corp. has expanded its portfolio of power management products with the release of the SP6691 that is designed for use in battery powered devices.
2011-07-04 Power Tip: Higher-voltage LEDs boost light bulb efficiency
Find out why higher voltage is a better choice, and how to achieve it.
2006-06-29 LMUs drive up to 20 series-connected LEDs
National Semiconductor's new, highly integrated LMUs include a high-voltage boost converter and programmable constant-current driver to control up to 20 series-connected LEDs.
2007-10-25 High-voltage driver lights up 72 white LEDs
A LED driver capable of driving up to 72 white LEDs has been developed by Power Analog Microelectronics
2013-09-16 Drive high-power LED, charge high-voltage battery
Here's a look at a 60V buck-boost controller that delivers 100W to LED headlights or a battery stack.
2006-06-23 Boost converter drives up to 10 LEDs
Catalyst announced it has expanded its LED driver family with the addition of CAT4238, a high-voltage boost converter designed to drive up to 10 LEDs.
2008-06-03 A matter of light: The ABCs of LEDs (Part 1
Newly enhanced LEDs have the potential to achieve efficiency improvements while maintaining high performance and reliability that supersede many currently used sources
2007-06-14 2W LED driver delivers high voltage, switch current
Catalyst Semiconductor Inc. launched a 2W LED driver to address high-power backlighting applications.
2011-06-15 Power IC allows low cost, small size LED driver
Exclara has released the Exclara HVX family that enables low cost, small size LED driver solutions while improving efficiency, power factor and quality.
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
2007-02-15 HB-LED drivers suit automotive lighting apps
Maxim has introduced a high-voltage, 3-channel, linear high-brightness LED driver with open-LED detection for automotive exterior and interior lighting applications
2008-03-26 HB LED drivers handle long LED strings
Maxim Integrated Products has introduced high-voltage, linear HB LED drivers capable of driving a long string of HB LEDs from a 6.5V to 40V input supply.
2004-05-18 Xenon strobe flash empowers next-gen camera phones
Aiming for a more practical approach to generate high-quality pictures from cellphones, Linear Technology Corp. has enabled the use of high-quality Xenon strobe flash in camera phones to replace the limited illumination of LEDs, and improve the requirement of cameras to be closer to the subject for clearer pictures
2009-09-22 White LED driver targets LCD backlights
TAEC's new 60V power MOSFET driver is designed for white LEDs to be used in LCD panel backlight applications
2013-09-11 UV LED to spawn portable, low-cost devices
Researchers at the Ohio State University developed innovative LEDs that could lend itself to applications for chemical detection, disinfection and UV curing
2007-05-28 Tiny LED drivers tackle high-power tasks
Operating under a 6-60V input supply and achieving up to 95 percent efficiency, the ZXLD1362 from Zetex Semiconductors can drive up to 16 high power LEDs with an adjustable output current of up to 1A
2002-07-19 Sorensen 600W test supply fits in 1U, half rack
The DLM 600W supply, now available from the Sorensen division of Elgar, comes in three high-voltage models
2008-01-30 Programmable HB LED drivers enable greater versatility
Maxim's MAX16816 is a high-voltage, high-power HB LED driver that provides many user-programmable features through on-chip non-volatile EEPROM registers
2007-10-24 Power managers for OLEDs offer 90% efficiency
National Semiconductor Corp. has added three new power management products for driving LEDs and OLED displays to its PowerWise energy-efficient product family
2013-05-27 LED mystery answered by nanoscale experiment
The investigation conducted by MIT researchers and the U.S. Department of Energy may have discovered the key in utilising the full potential of LEDs and other solid-state technologies
2013-05-16 LED lighting future getting brighter
The combined growth potentials of HB LEDs and high lumen LED lighting systems represent a significant increase in demand from today's deployment rate for both the LEDs themselves and for the LED driver ICs required to drive them
2010-05-04 LED driver with PWM eases dimming control
Clare Inc. has launched the CPC9909 high-voltage HB LED driver that can drive hundreds of HB LEDs in-series and/or parallel combinations in a constant peak-current control topology.
2007-11-19 LED driver lights up your photos
Catalyst's LED driver drives LED strings up to 22V, making it suitable for digital photo frames and other backlighting applications where high LED countsup to 40 LEDsare used
2006-08-29 LED driver allows wide dimming range
Maxim said its new LED driver features a high-voltage PWM pin that allows a wide dimming range and a wide operating input voltage range that protects against large transients
2008-02-06 LED backlighting solution with LM3430 and LM3432
The LM3432 is a 6-channel high voltage current regulator which provides a simple solution for LED backlighting applications and the LM3430 is a companion device to supply high voltage required to drive serially connected LED strings
2007-02-13 HB LED drivers deliver 94 percent efficiency
Maxim has introduced high-efficiency LED drivers, each capable of delivering from 1W to over 25W of output power with up to 94 percent efficiency, while driving as many as six white LEDs connected in series
2006-12-18 Handset trends push for new displays
Over the last several years, major changes have occurred in handsets' size, styling and feature designs. Fundamental network changes also influence handset display design. LEDs have moved beyond the simple backlighting realm to add design features
2011-11-14 Exploring greener lighting options
Learn how to thrive in the future filled with LEDs and how to optimize today's CFL technology for better performance
2007-12-14 Drivers load up to 150mA to three HB LED strings
Maxim has introduced 3-channel HB-LED drivers that feature three 36V rated, open-drain, constant-current sink outputs capable of delivering up to 150mA to three separate strings of HB LEDs
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