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2009-09-09 Closed loop chromaticity control: interfacing a digital RGB color sensor to a PIC24 MCU
This application note describes interfacing the TAOS TCS3414CS digital color sensor with a PIC24F to establish a closed loop control system for maintaining a consistent chromaticity output for an RGB LED backlight unit (BLU) illumination system for a graphics LCD panel.
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
2006-11-21 Tiny IC powers backlight, flash and RGB functions
By combining a high-performance charge pump with backlight, flash and RGB drivers in a single 4-by-4mm IC controllable by a serial interface, AnalogTech said its AAT2830/31 reduces parts count and system footprint
2005-08-03 Smallest backlight LED driver
National Semiconductor released what it touts as the world's smallest backlight LED driver that controls lighting applications in handheld devices, including cellphones, digital still cameras, gaming devices and MP3 players
2006-09-11 RGB LEDs produce all colors in visible spectrum
TT electronics Optek Technology has developed a comprehensive range of discrete RGB LEDs to enable design engineers to create colors along the entire visible spectrum
2006-05-25 RGB LED backlights target handheld devices
Displaytech Ltd offers a series of RGB LED backlights for its chip-on-glass (COG) LCDs with composite red, green and blue LEDs
2008-04-28 Programmable LCD devices offer 64 backlight colors
NKK Switches has introduced its high-resolution SmartSwitch and SmartDisplay series of programmable LCD switches and displays.
2009-02-09 LG Display, Cree ink LED agreement
LG Display has signed a supply agreement with Cree Inc. for LED chips to be used in LCD backlighting. Under the agreement, LG Display secures a stable supply of LED chips and receives technological support from Cree for LED packaging
2009-06-05 LED solution tailored large-panel TVs
Microsemi Corp. has launched the LX24132 32-port LED backlight controller and LX23108L 8-port LED driver
2011-07-19 LED chip revenue down 6% in June
The weak demand for TV backlight has resulted in a reduced M-o-M and Y-o-Y revenue6.17 percent and 10.9 percentfor LED chip manufacturers
2006-06-12 Color controller integrates RGB photosensor
Avago's new color controller features an integrated RGB photosensor for backlighting LCDs
2004-11-16 AnalogicTech rolls out charge pumps for color LED apps
AnalogicTech introduced five new tri-mode, high-efficiency charge pumps for white LED backlight and color LED apps
2006-11-01 7-inch TFT display includes white LED backlight
The new 7-inch WVGA 800 x RGB X 480 transflective TFT display from One Stop Displays comes with a white LED backlight.
2007-05-09 3.5-inch LCD has high-brightness LED backlight
OSD Displays has introduced a 3.5-inch TFT-LCD with a high-brightness LED backlight and TMR film enhancement, which adds functionality in sunlight to standard transmissive panels
2008-11-13 RGB LED drivers manage 7 LEDs in series
Tokyo Electron Device Limited has launched TE7118PF, an RGB LED control driver ideal for LED control applications such as LCD backlights, indoor LED lighting, and LED illumination lights
2006-12-04 OSD unveils QVGA display with white LED backlight
OSD Displays added to its active-matrix TFT-LCD line a 3.5-inch diagonal transmissive QVGA display with a white LED backlight
2008-05-22 Microsemi-CMO team-up delivers LED TV design
Microsemi and CMO have partnered in the design of an advanced TV backlit with RGB LEDs
2005-10-24 Lumitex's white LED FO backlights shine brighter at no extra cost
Lumitex's new white LEDs that are said to provide a true white backlight that is 2-1/2 times brighter than previous generations of RGB UniGlo panels, with no increase in price
2010-06-08 LED drivers allow design flexibility in mobile apps
From Fairchild Semiconductor come LED drivers that deliver 92 percent peak efficiency, extending battery life in mobile handsets, gaming devices, MP3 players and other small display applications
2005-05-16 LED driver turns on all the lights
California Micro Devices' CM4600, the first of the company's new PhotonIC family of highly integrated LED drivers, can drive all the LEDs in a wireless handset
2005-04-22 LED driver suits wireless handsets
California Micro Devices unveiled PhotonIC CM4600, the first member of its new PhotonIC family of highly integrated LED drivers, that is capable of driving all the LEDs in a wireless handset
2009-11-24 LED driver brings new light to mobile apps
Audio synchronization enables programmable light patterns with LEDs blinking and changing colors to the beat of the music.
2005-05-06 LED driver allows complete programmability of 18 LEDs
Dialog Semi launched a universal LED controller which provides complete programmability of up to 18 LEDs for the control of lightshows, backlights and signal LEDs in portable devices requiring varying light sequences
2008-10-24 HB LED driver enables green lighting for automotive apps
Maxim Integrated Products has released the MAX16826 programmable, four-string high-brightness (HB) LED driver for white, RGB, and RGB-plus-amber LED configurations
2008-09-15 Driver IC upgrades LCD backlight for media player apps
ON Semiconductor has released the NCP5890, a lighting management device that integrates LCD backlighting, fun light controls and ambient light sensing in a 3mm x 3mm x 0.55mm uQFN-16 package.
2008-01-16 Tiny RGB LED boasts 150 viewing angle
Optek has developed the OVSRRGBCC3 RGB LED with a 150 viewing angle compatible with both automatic pick and place equipment as well as infrared and vapor phase solder reflow processes
2012-02-09 LED drivers with PWM dimming for LCD backlight
The HV9989 is powered by a built-in 40V linear regulator and has three 1MHz transconductance amplifiers.
2012-01-27 Qualcomm mum on Pixtronix acquisition cost
The telecoms company has bought a fabless startup that produces a display based on a MEMS-based digital micro shutter that modulates light from an RGB LED backlight.
2012-12-06 Qualcomm invests in Sharp to advance MEMS displays
Qualcomm has agreed to a private equity investment in Sharp as part of efforts to develop MEMS-based displays using the Japanese firm's LCD production lines.
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
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