Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2005-05-31
2008-09-02
Garrett, Dawn (Department: 1794)
Stock material or miscellaneous articles
Composite
Of inorganic material
C313S504000, C313S506000, C428S917000, C257S040000
Reexamination Certificate
active
07419728
ABSTRACT:
An OLED device comprises an anode and a cathode and having therebetween a light emitting layer containing an emissive material, wherein a layer between the anode and cathode contains a phosphineoxide compound bearing two or more tri(hetero)arylphosphineoxide groups, provided these groups are selected to give a compound with a Et≧2.65 eV.
REFERENCES:
patent: 2004/0046495 (2004-03-01), Peng
patent: 2005/0106413 (2005-05-01), Tanaka et al.
patent: 1 378 532 (2004-01-01), None
patent: 2002-63989 (2002-02-01), None
patent: 2003/317965 (2003-11-01), None
patent: 2004-95221 (2004-03-01), None
patent: 2004/204140 (2004-07-01), None
patent: WO 2005003253 (2005-01-01), None
patent: 2005/073340 (2005-08-01), None
patent: 2005/104628 (2005-11-01), None
P. E. Burrows, et al., “Ultraviolet electroluminescence and blue-green phosphorescence using an organic diphosphine oxide charge transporting layer”, Applied Physics Letters, 88, 2006.
I. Avilov, et al., “Quantum-chemical Design of Host Materials for Full-Color Triplet Emission”, Advanced Materials, 16, No. 18, Sep. 16, 2004, pp. 1624-1629.
Giesen David J.
Ren Xiaofan
Eastman Kodak Company
Garrett Dawn
Kluegel Arthur E.
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