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November 23, 2007

Mtg: Flexible/Printable Electronics / Organic LED (OLED) Display Technology

by @ 9:11 am. Filed under ALL, Communications, Computers/Software, Electronics Design, NanoEngineering, Optics/Displays, Semiconductors

WEDNESDAY January 16
SCV Components, Packaging and Manufacturing Technology Chapter
Speakers: Dr. Chuck Bauer, TechLead Corporation; and Johann Trujillo, DuPont Displays
Time: Optional dinner at 6:30 PM, Presentation at 7:30 PM
Cost: $25 for dinner, no cost for presentation
Place: Ramada, 1217 Wildwood Ave (Fwy 101 frontage road, between Lawrence Expressway and Great America Parkway), Sunnyvale
RSVP: by email with Janis Karklins,


Flexible/Printable Electronics:

The printed electronics market comprises next-generation light, power and circuitry products, including flexible displays, plastic solar cells and organic RFID tags.? Special inks enable the formation of active electrical layers — the key drivers for printed electronics.? The printed electronics market comprises next-generation light, power and circuitry products, including flexible displays, plastic solar cells and organic RFID tags.? The market for printed electronics was approximately $1 billion in 2006 and is expected to exceed $300 billion within 20 years.

OLED Display Technology:

This talk will discuss a unique manufacturing process utilizing solution processing of small molecule materials for OLED displays and a material set including DuPontâ?¢ HIL hole injection layer and DuPont light emitting and charge transport materials â?? the essential materials used to make an OLED display.
The OLED displays industry is under constant pressure to reduce manufacturing costs in order to compete with LCDs,? This process should have the ability to overcome the cost barriers the industry has been facing.
We have measured accelerated lifetimes of the three primary colors that could translate in a display to 20,000 hours of white lifetime (which is extended by as much as 5 times when showing video) at a normal viewing brightness (200 cd/m2). At 1,000 cd/m2â?? the standard test luminance used in the industry â?? the DuPont materials have lifetimes (T50) of 14,000 hours for blue with CIE 1931 color coordinates of (0.14, 0.16), 230,000 hours for green with color coordinates of (0.29, 0.65), and 46,000 hours for red with color coordinates of (0.66, 0.34). ? In a review of widely available reports, these are the longest measured lifetimes for a solution material set with equivalent color coordinates.

The OLED materials are printed onto active-matrix thin-film transistor (TFT) backplanes supplied by leading TFT providers, and then protected from environmental degradation with encapsulation technology.

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