Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2007-10-26
2011-12-13
Chriss, Jennifer A (Department: 1786)
Stock material or miscellaneous articles
Composite
Of inorganic material
C428S917000, C313S504000, C313S506000, C252S301160, C257S040000
Reexamination Certificate
active
08076009
ABSTRACT:
The invention provides an OLED device comprising a cathode, an anode, and having there between a light-emitting layer, further comprising, between the cathode and the light emitting layer, a non-luminescent electron transporting layer containing a compound with a 7,10-diaryl substituted fluoranthene nucleus having no aromatic rings annulated to the fluoranthene nucleus and desirably comprises still further an additional layer containing an organic alkali metal compound, located between the cathode and the electron transporting layer. Devices of the invention provide improvement in features such as efficiency, drive voltage, and operational stability.
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Andrievsky Natasha
Begley William J.
Liao Liang-Sheng
Chriss Jennifer A
Global OLED Technology, LLC.
McKenna Long & Aldridge LLP.
Wilson Michael H
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