Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2005-02-01
2005-02-01
Yamnitzky, Marie (Department: 1774)
Stock material or miscellaneous articles
Composite
Of inorganic material
C428S917000, C313S504000, C313S506000, C564S428000, C564S429000, C564S434000
Reexamination Certificate
active
06849345
ABSTRACT:
Disclosed is a multilayer electroluminescent device comprising a cathode, an anode, a light emitting layer (LEL) and a layer disposed between the cathode and anode containing a naphthalene compound represented by formula (1):whereinm is 0, 1 or 2;each Rais an independently selected substituent and each n is independently 0 to 3;each Arais an independently selected aromatic group; andeach Arbis an independently selected carbocyclic aromatic group;provided that two ring substituents may join to form a ring.The device provides a desired high luminance.
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patent: 20020168543 (2002-11-01), Ishikawa et al.
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Selby et al., “Naphthyldiamine Diradical Dications. Triplet Dications of 2,7-Bis(amino)napthalene and 2,7-Bis(phenylenediamino)naphthalene”, vol. 121, pp. 7152-7153, published on Web Jul. 20, 1999.
Parton Richard L.
Tang Ching W.
Eastman Kodak Company
Kluegel Arthur E.
Yamnitzky Marie
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