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OLED Materials
Manufacturer: DuPont
SANTA BARBARA, Calif., May 31, 2007 -- DuPont Displays, a developer of organic light-emitting diode (OLED) displays, showcased several prototype solution-processed, active-matrix full-color OLED displays fabricated with DuPont materials at the Society for Information Display’s (SID) International Symposium in Long Beach, California, May 20-25, 2007.

The new set of materials rely on DuPont hole-injection layer (HIL) material and include those essential in the construction of an OLED display, such as light-emitting and charge-transport materials.

William Feehery, global business director, DuPont OLEDs, said, "The OLED displays industry is under severe pressure to reduce manufacturing costs in order to compete with LCDs. We believe that larger OLED displays can be manufactured at a cost of up to 30 percent less than today’s LCDs."

DuPont Displays said it has also exceeded the reported performance of other solution-based OLED materials and has 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 five times when showing video) at a normal viewing brightness (200 cd/m2). At 1000 cd/m2 -- the standard test luminance used in the industry -- 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," DuPont said.

For more information, visit: www2.dupont.com

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