Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2006-07-04
2006-07-04
Garrett, Dawn L. (Department: 1774)
Stock material or miscellaneous articles
Composite
Of inorganic material
C428S917000, C313S504000, C313S506000, C313S112000, C257S098000
Reexamination Certificate
active
07070868
ABSTRACT:
Disclosed is an electroluminescent device comprising a light emitting layer comprising a boron complex wherein the boron is bonded to a nitrogen atom of a 6-membered heteroaromatic ring group and to a nitrogen atom of a 5-membered heteroaromatic ring group, provided that the 5- and 6-membered heteroaromatic ring groups are further connected by an imine group, and provided that the 5-membered heteroaromatic ring group contains at least one additional heteroatom that is divalent or trivalent, and a process or device employing the device.
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Conley Scott R.
Helber Margaret J.
Vargas J. Ramon
Eastman Kodak Company
Garrett Dawn L.
Kluegel Arthur E.
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