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2008-04-01 WVGA LCD module features WLED backlighting
NEC LCD Technologies, together with NEC Electronics America and NEC Electronics Europe, introduced a new 7-inch a-Si TFT LCD module with WVGA resolution and WLED backlight system.
2003-01-23 ON Semi white LED drivers have serial-data input pin
The company's two white LED boost drivers feature the industry's first serial-data input pin that enables microcontrollers to control LED brightness
2005-07-11 LED drivers offer 80% efficiency
The two new white LED drivers from Vishay Intertechnology promise to deliver efficiencies of up to 80 percent during operation in compact handheld and battery-operated electronics
2011-03-18 LED driver uses peak current mode control scheme
Supertex releases HV9860 boost LED driver designed to optimize the performance and lifespan of LEDs in applications RGB or white LED backlighting, LCD TVs and LED lamps.
2010-02-22 LED driver comes with PWM dimming capability
Supertex has launched the HV9963 closed-loop LED driver IC with pulse width modulated (PWM) dimming capability designed to optimize LED performance and efficiency and extend LED life
2004-03-04 Catalyst manager talks about LED driven in series
Catalyst Semiconductor's Fabien Franc and several design engineers recently discussed at the 9th Annual IIC-China Conference the different effects of designing LED drive circuits in series and in parallel using inductive boost and charge pump regulators
2003-12-16 Zetex LED drivers add true analog dimming
Zetex has launched what it claims is the first white LED driver with the option of an integrated true analog dimming mode, offering a noise-free alternative to pulsed dimming control
2008-04-08 Will LED-backlit LCD TVs break into mass market
Stunningly clear pictures are produced by LED-backlit LCD TVs, enabled by Dolby Laboratories' High Dynamic Range (HDR) technology. Unclear, though, is how much consumers will have to pay for that kind of picture quality
2006-04-17 White-LED chips lit for efficiency race
Nichia has developed a white-LED chip with 100lumen/watt efficiency, with volume production expected this year
2008-02-21 White multichip LEDs dissipate heat efficiently
Allegro has announced a new series of white multichip LEDs that achieve enhanced thermal dissipation through the incorporated heat sink on the bottom of the package
2010-02-09 White LEDs provide 300K/W thermal resistance
Vishay Intertechnology Inc. has developed power surface-mount white LEDs optimized to provide very low thermal resistance down to 300K/W and power dissipation up to 200mW
2008-07-02 White LED shines bright, promises long life
Malaysia-based SMT LED manufacturer Dominant Semiconductors Sdn Bhd is offering now a brighter white LED in the DomiLED product range (DDW-PJG
2007-03-29 White LED promises up to 50,000hrs operation
Dominant Semiconductors has unveiled the new Power DomiLED white LED that promises a lifetime of up to 50,000hrs
2007-04-24 White LED drivers suit dual-display phones
Suited for dual-display architectures including clamshell phones, the SP6415 white LED driver from Sipex can be configured to automatically turn off the sub-display when the phone is open
2006-03-31 White LED drivers feature dual-gain architecture
National Semiconductor introduced three new inductorless white LED drivers for display backlighting in cellphones, PDAs, portable gaming devices and MP3 media players.
2006-08-16 White LED drivers enable independent brightness control
National's new highly integrated, charge-pump-based, constant-current white LED drivers are suited for single- or multidisplay backlighting in portable consumer products and handsets.
2005-12-30 White LED driver tailored for portable CE apps
ON Semiconductor unveiled a white LED driver designed to drive high brightness LEDs in torch or flash applications for camera phones and other portable consumer electronic devices
2009-08-27 White LED driver promises up to 55% power saving
National Semiconductor claims the smallest white LED driver with dynamic display backlight control that drives up to 11 high-current LEDs in series, illuminating larger displays in portable apps
2005-08-10 White LED driver includes programmable oscillator frequency
National Semiconductor has launched an inductive-boost series white LED driver that features programmable oscillator frequency
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
2004-10-01 Toko LED driver IC provides LCD backlighting
The recently-released white LED driver IC from Toko features LCD backlighting for digital still cameras and mobile phones.
2007-01-29 Tiny DC/DC drives up to 12 white LEDs
Linear Technology has announced the LT3497, a dual, full-featured, step-up DC/DC converter designed to drive up to 12 white LEDs from a Li-ion input
2007-09-18 Surface-mount white LED achieves 30 lumens flux
Toshiba America Electronic Components Inc. (TAEC) has expanded its family of white LEDs with a new device that can provide a typical flux of 30 lumens from a driving current of 250mA
2004-11-15 STMicro boost converter drives white LED with high efficiency
STM disclosed that they have developed a special part to drive the white LEDs that are becoming popular for color LCD backlighting or portable devices
2013-01-29 Save power in LCD TVs with LED driving techniques
New design techniques in LED driver circuits promise to deliver significant energy savings that will go a long way to helping TV manufacturers meet the tough requirements for power consumption
2006-11-09 ON Semi touts 'smallest' dual-output white LED drivers
ON Semiconductor's new dual-output white LED drivers for handheld and consumer applications, said to be the industry's smallest, achieve up to 87 percent peak efficiency with 0.2 percent LED-to-LED matching
2005-09-02 New LED driver from austriamicro
austriamicrosystems extended its LED driver family with the release of the AS3691 4x400mA LED driver, designed for the fast-growing high and ultra high brightness LED application market
2002-02-14 National voltage regulators drive cell-phone white LEDs
National Semiconductor Corp. has introduced half a dozen voltage-regulator devices designed to power white LEDs used as backlights for color displays on new-generation cell phones and handheld PCs
2004-11-16 National LED IC drivers suit handheld apps
National announced a new family of LED IC drivers designed for portable handheld devices such as cellphones, smart phones, GPS and PDAs
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