Advanced Imaging

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Advanced Imaging Magazine

Updated: January 12th, 2011 10:01 AM CDT

Cool and Bright

Indoors and out, LEDs provide more light with less heat
The MicroLens light guide
© Global Lighting Technologies
The MicroLens light guide from Global Lighting Technologies lights nine discreet areas of this thermostat: the main LCD area, characters and directional symbols at the top and sides of the unit (A-F), and keypad buttons at the top and bottom (G-H).
Smart Force Linear Driver
© Endicott Research Group
The Smart Force Linear Driver from Endicott Research Group is used with the company’s LED rails. The driver is less than 8mm in height.
white LED  by OSRAM Opto Semiconductors
© OSRAM Opto Semiconductors
OSRAM Opto Semiconductors has added a new white LED to its Golden Dragon® ARGUS® family.
amorphous-silicon thin-film-transistor liquid crystal display
© NEC Electronics America
One of NEC Electronics America’s four new amorphous-silicon thin-film-transistor (TFT) liquid crystal display (LCD) modules featuring super-transmissive natural light TFT technology.
NEC 2.7 -inch display for mobile applications
© NEC Electronics America
One of NEC’s three new 2.7-inch displays for mobile applications. They offer high luminance and high contrast ratios.
A 4.3
© DuPont Displays
A 4.3" WQVGA OLED display printed by DuPont Displays using its own materials and containment technology. The LTPS backplane was supplied by CMO/CMEL Corporation. DuPont Displays
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By Barry Hochfelder

Endicott Research Group (Endicott, N.Y.) is changing right along with the directive. The company, which has been producing inverters for CCFLs for more than 25 years, has 25 different CCFL products on the market, but early last year began providing LED solutions.

"We're starting to see LED solutions in some panels," says Bill Abbott, Director of Sales and Marketing for Endicott Research Group. "It's not widespread yet. It provides power savings, more nits per watt, takes the high voltage out and even goes through UL (Underwriters Laboratories) better. A lot of it is plug and play; just swap out the CCFL and put in the LED."

The company has begun taking orders for and shipping LED backlights for LCDs in the 5.7-inch to 15-inch diagonal ranges to companies in the industrial/medical arenas, including aircraft, military, marine, automobiles, kiosks and more.

David DeAgazio, Director of Sales Worldwide for Global Lighting Technologies (Brecksville, Ohio), agrees that the future for LEDs is very bright. His company does a great deal of LCD backlighting for mobile phones, MP3 players, PDAs, digital cameras, DVDs and automotive applications. "In a short time, it will be all LED," he says. "LEDs lessen the power required on a laptop, which will give you longer battery life, better color and a thinner PC."

In the past LEDs didn't make a lot of sense for displays of 5.5 inches and more because of the amount of heat generated. With technology, that is changing.



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